./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_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_dd2891c1-025b-49c5-bc41-1e91f96a4d57/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2891c1-025b-49c5-bc41-1e91f96a4d57/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_dd2891c1-025b-49c5-bc41-1e91f96a4d57/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2891c1-025b-49c5-bc41-1e91f96a4d57/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2891c1-025b-49c5-bc41-1e91f96a4d57/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_dd2891c1-025b-49c5-bc41-1e91f96a4d57/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 1e4d2a057e25f6959650b499ceac5ee260080b43c52b288c780b8039e90be344 .................................................................................................................................................................................................................................................................................................................................................................................... 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 [2021-10-28 22:59:51,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:59:51,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:59:51,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:59:51,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:59:51,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:59:51,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:59:51,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:59:51,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:59:51,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:59:51,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:59:51,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:59:51,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:59:51,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:59:51,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:59:51,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:59:51,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:59:51,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:59:51,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:59:51,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:59:51,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:59:51,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:59:51,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:59:51,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:59:51,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:59:51,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:59:51,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:59:51,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:59:51,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:59:51,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:59:51,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:59:51,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:59:51,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:59:51,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:59:51,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:59:51,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:59:51,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:59:51,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:59:51,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:59:51,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:59:51,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:59:51,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2891c1-025b-49c5-bc41-1e91f96a4d57/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 22:59:51,347 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:59:51,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:59:51,350 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:59:51,351 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:59:51,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:59:51,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:59:51,353 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:59:51,353 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 22:59:51,353 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 22:59:51,353 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 22:59:51,355 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 22:59:51,355 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 22:59:51,355 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 22:59:51,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:59:51,356 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:59:51,356 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:59:51,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:59:51,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:59:51,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:59:51,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 22:59:51,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 22:59:51,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 22:59:51,358 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:59:51,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:59:51,358 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 22:59:51,358 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:59:51,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 22:59:51,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:59:51,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:59:51,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:59:51,359 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:59:51,360 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:59:51,361 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 22:59:51,361 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_dd2891c1-025b-49c5-bc41-1e91f96a4d57/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2891c1-025b-49c5-bc41-1e91f96a4d57/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e4d2a057e25f6959650b499ceac5ee260080b43c52b288c780b8039e90be344 [2021-10-28 22:59:51,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:59:51,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:59:51,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:59:51,691 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:59:51,692 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:59:51,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2891c1-025b-49c5-bc41-1e91f96a4d57/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2021-10-28 22:59:51,776 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2891c1-025b-49c5-bc41-1e91f96a4d57/bin/uautomizer-GMMbpWq8iD/data/8758b00b5/d88d37da9f30476b9f3b12acf0e6aeea/FLAG1412b5fb9 [2021-10-28 22:59:52,345 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:59:52,346 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2891c1-025b-49c5-bc41-1e91f96a4d57/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2021-10-28 22:59:52,360 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2891c1-025b-49c5-bc41-1e91f96a4d57/bin/uautomizer-GMMbpWq8iD/data/8758b00b5/d88d37da9f30476b9f3b12acf0e6aeea/FLAG1412b5fb9 [2021-10-28 22:59:52,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2891c1-025b-49c5-bc41-1e91f96a4d57/bin/uautomizer-GMMbpWq8iD/data/8758b00b5/d88d37da9f30476b9f3b12acf0e6aeea [2021-10-28 22:59:52,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:59:52,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:59:52,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:59:52,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:59:52,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:59:52,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:59:52" (1/1) ... [2021-10-28 22:59:52,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76bb87c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:52, skipping insertion in model container [2021-10-28 22:59:52,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:59:52" (1/1) ... [2021-10-28 22:59:52,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:59:52,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:59:53,051 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_dd2891c1-025b-49c5-bc41-1e91f96a4d57/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c[16136,16149] [2021-10-28 22:59:53,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:59:53,085 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:59:53,205 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_dd2891c1-025b-49c5-bc41-1e91f96a4d57/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c[16136,16149] [2021-10-28 22:59:53,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:59:53,250 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:59:53,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:53 WrapperNode [2021-10-28 22:59:53,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:59:53,252 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:59:53,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:59:53,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:59:53,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:53" (1/1) ... [2021-10-28 22:59:53,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:53" (1/1) ... [2021-10-28 22:59:53,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:59:53,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:59:53,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:59:53,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:59:53,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:53" (1/1) ... [2021-10-28 22:59:53,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:53" (1/1) ... [2021-10-28 22:59:53,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:53" (1/1) ... [2021-10-28 22:59:53,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:53" (1/1) ... [2021-10-28 22:59:53,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:53" (1/1) ... [2021-10-28 22:59:53,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:53" (1/1) ... [2021-10-28 22:59:53,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:53" (1/1) ... [2021-10-28 22:59:53,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:59:53,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:59:53,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:59:53,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:59:53,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:53" (1/1) ... [2021-10-28 22:59:53,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:59:53,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2891c1-025b-49c5-bc41-1e91f96a4d57/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:53,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2891c1-025b-49c5-bc41-1e91f96a4d57/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:53,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2891c1-025b-49c5-bc41-1e91f96a4d57/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 22:59:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:59:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:59:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:59:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:59:54,326 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:59:54,326 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-28 22:59:54,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:59:54 BoogieIcfgContainer [2021-10-28 22:59:54,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:59:54,330 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 22:59:54,330 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 22:59:54,336 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 22:59:54,337 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:59:54,338 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 10:59:52" (1/3) ... [2021-10-28 22:59:54,340 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b50260f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:59:54, skipping insertion in model container [2021-10-28 22:59:54,340 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:59:54,340 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:53" (2/3) ... [2021-10-28 22:59:54,340 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b50260f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:59:54, skipping insertion in model container [2021-10-28 22:59:54,341 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:59:54,341 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:59:54" (3/3) ... [2021-10-28 22:59:54,344 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product22.cil.c [2021-10-28 22:59:54,407 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 22:59:54,407 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 22:59:54,407 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 22:59:54,408 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 22:59:54,408 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 22:59:54,408 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 22:59:54,408 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 22:59:54,408 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 22:59:54,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.5238095238095237) internal successors, (160), 105 states have internal predecessors, (160), 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) [2021-10-28 22:59:54,454 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-28 22:59:54,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:59:54,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:59:54,462 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:59:54,462 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:59:54,462 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 22:59:54,463 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.5238095238095237) internal successors, (160), 105 states have internal predecessors, (160), 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) [2021-10-28 22:59:54,470 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-28 22:59:54,470 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:59:54,470 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:59:54,471 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:59:54,471 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:59:54,476 INFO L791 eck$LassoCheckResult]: Stem: 97#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(13);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string72.base, #t~string72.offset, 1);call write~init~int(77, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(101, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(116, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(104, #t~string72.base, 4 + #t~string72.offset, 1);call write~init~int(58, #t~string72.base, 5 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 6 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string74.base, #t~string74.offset, 1);call write~init~int(82, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(73, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(84, #t~string74.base, 3 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 4 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string76.base, #t~string76.offset, 1);call write~init~int(75, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 34#L-1true havoc main_#res;havoc main_#t~ret42, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 6#L944true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 108#L952true main_#t~ret42 := valid_product_#res;main_~tmp~3 := main_#t~ret42;havoc main_#t~ret42; 25#L508true assume 0 != main_~tmp~3; 54#L479true ~methAndRunningLastTime~0 := 0; 101#L799true havoc test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 93#L810-1true [2021-10-28 22:59:54,477 INFO L793 eck$LassoCheckResult]: Loop: 93#L810-1true assume !false; 51#L728true assume test_~splverifierCounter~0 < 4; 30#L729true test_~tmp~7 := test_#t~nondet63;havoc test_#t~nondet63; 20#L737true assume !(0 != test_~tmp~7); 29#L737-1true test_~tmp___0~1 := test_#t~nondet64;havoc test_#t~nondet64; 10#L747true assume !(0 != test_~tmp___0~1); 39#L747-1true test_~tmp___2~0 := test_#t~nondet65;havoc test_#t~nondet65; 47#L757true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 22#L765-2true assume !(0 != ~pumpRunning~0); 86#L538true assume !(0 != ~systemActive~0); 17#L545true havoc __utac_acc__Specification2_spec__2_#t~ret67, __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 74#L876-1true __utac_acc__Specification2_spec__2_#t~ret67 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret67;havoc __utac_acc__Specification2_spec__2_#t~ret67; 5#L810true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 93#L810-1true [2021-10-28 22:59:54,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:54,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-28 22:59:54,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:54,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046697334] [2021-10-28 22:59:54,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:54,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:54,735 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:59:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:54,975 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:59:54,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:54,978 INFO L85 PathProgramCache]: Analyzing trace with hash 4938827, now seen corresponding path program 1 times [2021-10-28 22:59:54,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:54,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266980871] [2021-10-28 22:59:54,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:54,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:55,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:59:55,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:59:55,040 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266980871] [2021-10-28 22:59:55,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266980871] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:59:55,041 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:59:55,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:59:55,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873313340] [2021-10-28 22:59:55,046 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 22:59:55,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:59:55,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:59:55,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:59:55,064 INFO L87 Difference]: Start difference. First operand has 106 states, 105 states have (on average 1.5238095238095237) internal successors, (160), 105 states have internal predecessors, (160), 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) [2021-10-28 22:59:55,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:59:55,117 INFO L93 Difference]: Finished difference Result 106 states and 150 transitions. [2021-10-28 22:59:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:59:55,119 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 150 transitions. [2021-10-28 22:59:55,125 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-10-28 22:59:55,131 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 99 states and 142 transitions. [2021-10-28 22:59:55,135 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2021-10-28 22:59:55,136 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 99 [2021-10-28 22:59:55,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 142 transitions. [2021-10-28 22:59:55,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 22:59:55,139 INFO L681 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2021-10-28 22:59:55,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states and 142 transitions. [2021-10-28 22:59:55,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2021-10-28 22:59:55,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 99 states have (on average 1.4343434343434343) internal successors, (142), 98 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:55,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 142 transitions. [2021-10-28 22:59:55,185 INFO L704 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2021-10-28 22:59:55,185 INFO L587 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2021-10-28 22:59:55,185 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 22:59:55,185 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 142 transitions. [2021-10-28 22:59:55,191 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-10-28 22:59:55,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 22:59:55,191 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 22:59:55,192 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:59:55,192 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:59:55,193 INFO L791 eck$LassoCheckResult]: Stem: 319#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(13);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string53.base, #t~string53.offset, 1);call write~init~int(80, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(117, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(109, #t~string53.base, 3 + #t~string53.offset, 1);call write~init~int(112, #t~string53.base, 4 + #t~string53.offset, 1);call write~init~int(58, #t~string53.base, 5 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 6 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string59.base, #t~string59.offset, 1);call write~init~int(32, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string61.base, #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 1 + #t~string61.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(13);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string72.base, #t~string72.offset, 1);call write~init~int(77, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(101, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(116, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(104, #t~string72.base, 4 + #t~string72.offset, 1);call write~init~int(58, #t~string72.base, 5 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 6 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string74.base, #t~string74.offset, 1);call write~init~int(82, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(73, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(84, #t~string74.base, 3 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 4 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string76.base, #t~string76.offset, 1);call write~init~int(75, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 274#L-1 havoc main_#res;havoc main_#t~ret42, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 226#L944 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 227#L952 main_#t~ret42 := valid_product_#res;main_~tmp~3 := main_#t~ret42;havoc main_#t~ret42; 263#L508 assume 0 != main_~tmp~3; 264#L479 ~methAndRunningLastTime~0 := 0; 295#L799 havoc test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 225#L810-1 [2021-10-28 22:59:55,194 INFO L793 eck$LassoCheckResult]: Loop: 225#L810-1 assume !false; 293#L728 assume test_~splverifierCounter~0 < 4; 268#L729 test_~tmp~7 := test_#t~nondet63;havoc test_#t~nondet63; 254#L737 assume !(0 != test_~tmp~7); 256#L737-1 test_~tmp___0~1 := test_#t~nondet64;havoc test_#t~nondet64; 235#L747 assume !(0 != test_~tmp___0~1); 237#L747-1 test_~tmp___2~0 := test_#t~nondet65;havoc test_#t~nondet65; 282#L757 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 258#L765-2 assume !(0 != ~pumpRunning~0); 259#L538 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret44, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 277#L596 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret43, processEnvironment__wrappee__lowWaterSensor_~tmp~4;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4; 278#L570-1 assume !(0 != ~pumpRunning~0); 250#L545 havoc __utac_acc__Specification2_spec__2_#t~ret67, __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 251#L876-1 __utac_acc__Specification2_spec__2_#t~ret67 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret67;havoc __utac_acc__Specification2_spec__2_#t~ret67; 223#L810 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 225#L810-1 [2021-10-28 22:59:55,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:55,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-28 22:59:55,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:55,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328832335] [2021-10-28 22:59:55,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:55,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:55,294 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:59:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:55,408 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:59:55,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:55,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1698133379, now seen corresponding path program 1 times [2021-10-28 22:59:55,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:55,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483734191] [2021-10-28 22:59:55,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:55,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:55,420 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:59:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:55,430 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:59:55,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:55,435 INFO L85 PathProgramCache]: Analyzing trace with hash 235891831, now seen corresponding path program 1 times [2021-10-28 22:59:55,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:55,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637243510] [2021-10-28 22:59:55,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:55,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:55,519 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:59:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:59:55,600 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:00:55,271 WARN L207 SmtUtils]: Spent 59.52 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-28 23:01:53,307 WARN L207 SmtUtils]: Spent 27.91 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-28 23:01:53,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:01:53 BoogieIcfgContainer [2021-10-28 23:01:53,457 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:01:53,458 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:01:53,458 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:01:53,458 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:01:53,458 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:59:54" (3/4) ... [2021-10-28 23:01:53,461 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 23:01:53,537 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2891c1-025b-49c5-bc41-1e91f96a4d57/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:01:53,537 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:01:53,538 INFO L168 Benchmark]: Toolchain (without parser) took 120884.92 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 61.0 MB in the beginning and 51.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:01:53,539 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 102.8 MB. Free memory is still 78.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:01:53,540 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.13 ms. Allocated memory is still 102.8 MB. Free memory was 60.9 MB in the beginning and 68.7 MB in the end (delta: -7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:01:53,542 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.47 ms. Allocated memory is still 102.8 MB. Free memory was 68.7 MB in the beginning and 65.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:01:53,543 INFO L168 Benchmark]: Boogie Preprocessor took 79.53 ms. Allocated memory is still 102.8 MB. Free memory was 65.4 MB in the beginning and 62.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:01:53,544 INFO L168 Benchmark]: RCFGBuilder took 888.49 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 62.5 MB in the beginning and 81.9 MB in the end (delta: -19.4 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:01:53,544 INFO L168 Benchmark]: BuchiAutomizer took 119126.94 ms. Allocated memory is still 123.7 MB. Free memory was 81.9 MB in the beginning and 54.6 MB in the end (delta: 27.3 MB). Peak memory consumption was 60.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:01:53,545 INFO L168 Benchmark]: Witness Printer took 79.76 ms. Allocated memory is still 123.7 MB. Free memory was 54.6 MB in the beginning and 51.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:01:53,549 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 102.8 MB. Free memory is still 78.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 587.13 ms. Allocated memory is still 102.8 MB. Free memory was 60.9 MB in the beginning and 68.7 MB in the end (delta: -7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.47 ms. Allocated memory is still 102.8 MB. Free memory was 68.7 MB in the beginning and 65.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.53 ms. Allocated memory is still 102.8 MB. Free memory was 65.4 MB in the beginning and 62.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 888.49 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 62.5 MB in the beginning and 81.9 MB in the end (delta: -19.4 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 119126.94 ms. Allocated memory is still 123.7 MB. Free memory was 81.9 MB in the beginning and 54.6 MB in the end (delta: 27.3 MB). Peak memory consumption was 60.6 MB. Max. memory is 16.1 GB. * Witness Printer took 79.76 ms. Allocated memory is still 123.7 MB. Free memory was 54.6 MB in the beginning and 51.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 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 99 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 119.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 118.8s. 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 99 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 147 SDtfs, 147 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: 727]: 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=16027, NULL=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38ae2e4b=0, NULL=0, NULL=16051, NULL=16032, methaneLevelCritical=0, NULL=16041, retValue_acc=1, NULL=16031, tmp=0, tmp=0, tmp___1=0, NULL=16050, NULL=0, NULL=0, NULL=16037, NULL=16043, NULL=16044, cleanupTimeShifts=4, NULL=16045, NULL=16048, NULL=16047, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15e4bc3=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38e07845=0, NULL=0, NULL=16029, NULL=0, NULL=0, NULL=0, NULL=16038, \result=1, head=0, pumpRunning=0, NULL=16042, NULL=16035, \result=0, tmp=1, NULL=16036, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=16052, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1eb71838=0, NULL=0, NULL=16028, NULL=0, NULL=0, NULL=16054, NULL=0, tmp___2=64, NULL=16053, tmp___0=0, NULL=16034, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=16046, NULL=16030, NULL=16040, NULL=16033, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c63ff98=64, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39b364b5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2773a49e=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41b8bcc3=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7dd98666=0, NULL=16049, NULL=0, NULL=0, NULL=16039, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L416] int cleanupTimeShifts = 4; [L530] int pumpRunning = 0; [L531] int systemActive = 1; [L793] int methAndRunningLastTime ; [L833] int waterLevel = 1; [L834] int methaneLevelCritical = 0; [L499] int retValue_acc ; [L500] int tmp ; [L948] int retValue_acc ; [L951] retValue_acc = 1 [L952] return (retValue_acc); [L506] tmp = valid_product() [L508] COND TRUE \read(tmp) [L798] methAndRunningLastTime = 0 [L718] int splverifierCounter ; [L719] int tmp ; [L720] int tmp___0 ; [L721] int tmp___1 ; [L722] int tmp___2 ; [L725] splverifierCounter = 0 Loop: [L727] COND TRUE 1 [L729] COND TRUE splverifierCounter < 4 [L735] tmp = __VERIFIER_nondet_int() [L737] COND FALSE !(\read(tmp)) [L745] tmp___0 = __VERIFIER_nondet_int() [L747] COND FALSE !(\read(tmp___0)) [L755] tmp___2 = __VERIFIER_nondet_int() [L757] COND TRUE \read(tmp___2) [L712] systemActive = 1 [L538] COND FALSE !(\read(pumpRunning)) [L545] COND TRUE \read(systemActive) [L593] int tmp ; [L596] COND FALSE !(\read(pumpRunning)) [L567] int tmp ; [L570] COND FALSE !(\read(pumpRunning)) [L803] int tmp ; [L804] int tmp___0 ; [L872] int retValue_acc ; [L875] retValue_acc = methaneLevelCritical [L876] return (retValue_acc); [L808] tmp = isMethaneLevelCritical() [L810] COND FALSE !(\read(tmp)) [L826] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 23:01:53,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd2891c1-025b-49c5-bc41-1e91f96a4d57/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...