./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.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_4d6b130c-6b15-41fc-b0ec-3225b0635ff4/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6b130c-6b15-41fc-b0ec-3225b0635ff4/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_4d6b130c-6b15-41fc-b0ec-3225b0635ff4/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6b130c-6b15-41fc-b0ec-3225b0635ff4/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6b130c-6b15-41fc-b0ec-3225b0635ff4/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_4d6b130c-6b15-41fc-b0ec-3225b0635ff4/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 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 .......................................................................................................................................................................................................................................................................................................................................................................................... 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 00:04:02,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 00:04:02,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 00:04:02,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 00:04:02,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 00:04:02,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 00:04:02,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 00:04:02,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 00:04:02,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 00:04:02,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 00:04:02,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 00:04:02,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 00:04:02,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 00:04:02,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 00:04:02,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 00:04:02,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 00:04:02,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 00:04:02,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 00:04:02,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 00:04:02,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 00:04:02,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 00:04:02,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 00:04:02,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 00:04:02,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 00:04:02,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 00:04:02,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 00:04:02,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 00:04:02,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 00:04:02,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 00:04:02,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 00:04:02,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 00:04:02,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 00:04:02,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 00:04:02,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 00:04:02,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 00:04:02,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 00:04:02,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 00:04:02,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 00:04:02,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 00:04:02,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 00:04:02,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 00:04:02,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6b130c-6b15-41fc-b0ec-3225b0635ff4/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-29 00:04:02,459 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 00:04:02,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 00:04:02,460 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 00:04:02,461 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 00:04:02,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 00:04:02,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 00:04:02,463 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 00:04:02,463 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-29 00:04:02,464 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-29 00:04:02,464 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-29 00:04:02,464 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-29 00:04:02,465 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-29 00:04:02,465 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-29 00:04:02,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 00:04:02,466 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 00:04:02,467 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 00:04:02,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 00:04:02,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 00:04:02,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 00:04:02,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-29 00:04:02,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-29 00:04:02,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-29 00:04:02,478 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 00:04:02,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 00:04:02,479 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-29 00:04:02,479 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 00:04:02,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-29 00:04:02,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 00:04:02,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 00:04:02,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 00:04:02,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 00:04:02,481 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 00:04:02,483 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-29 00:04:02,483 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_4d6b130c-6b15-41fc-b0ec-3225b0635ff4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6b130c-6b15-41fc-b0ec-3225b0635ff4/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 [2021-10-29 00:04:02,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 00:04:02,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 00:04:02,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 00:04:02,827 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 00:04:02,828 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 00:04:02,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6b130c-6b15-41fc-b0ec-3225b0635ff4/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2021-10-29 00:04:02,921 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6b130c-6b15-41fc-b0ec-3225b0635ff4/bin/uautomizer-GMMbpWq8iD/data/057558630/0067d043045c413692ffdef856ab3c9d/FLAG8e624c1d2 [2021-10-29 00:04:03,525 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 00:04:03,526 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6b130c-6b15-41fc-b0ec-3225b0635ff4/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2021-10-29 00:04:03,544 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6b130c-6b15-41fc-b0ec-3225b0635ff4/bin/uautomizer-GMMbpWq8iD/data/057558630/0067d043045c413692ffdef856ab3c9d/FLAG8e624c1d2 [2021-10-29 00:04:03,808 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6b130c-6b15-41fc-b0ec-3225b0635ff4/bin/uautomizer-GMMbpWq8iD/data/057558630/0067d043045c413692ffdef856ab3c9d [2021-10-29 00:04:03,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 00:04:03,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 00:04:03,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 00:04:03,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 00:04:03,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 00:04:03,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:04:03" (1/1) ... [2021-10-29 00:04:03,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b259f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:03, skipping insertion in model container [2021-10-29 00:04:03,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:04:03" (1/1) ... [2021-10-29 00:04:03,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 00:04:03,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 00:04:04,219 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_4d6b130c-6b15-41fc-b0ec-3225b0635ff4/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c[6162,6175] [2021-10-29 00:04:04,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:04:04,302 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 00:04:04,339 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_4d6b130c-6b15-41fc-b0ec-3225b0635ff4/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c[6162,6175] [2021-10-29 00:04:04,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:04:04,404 INFO L208 MainTranslator]: Completed translation [2021-10-29 00:04:04,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:04 WrapperNode [2021-10-29 00:04:04,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 00:04:04,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 00:04:04,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 00:04:04,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 00:04:04,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:04" (1/1) ... [2021-10-29 00:04:04,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:04" (1/1) ... [2021-10-29 00:04:04,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 00:04:04,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 00:04:04,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 00:04:04,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 00:04:04,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:04" (1/1) ... [2021-10-29 00:04:04,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:04" (1/1) ... [2021-10-29 00:04:04,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:04" (1/1) ... [2021-10-29 00:04:04,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:04" (1/1) ... [2021-10-29 00:04:04,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:04" (1/1) ... [2021-10-29 00:04:04,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:04" (1/1) ... [2021-10-29 00:04:04,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:04" (1/1) ... [2021-10-29 00:04:04,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 00:04:04,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 00:04:04,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 00:04:04,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 00:04:04,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:04" (1/1) ... [2021-10-29 00:04:04,628 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:04:04,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6b130c-6b15-41fc-b0ec-3225b0635ff4/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:04,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6b130c-6b15-41fc-b0ec-3225b0635ff4/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:04:04,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6b130c-6b15-41fc-b0ec-3225b0635ff4/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-29 00:04:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 00:04:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 00:04:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 00:04:04,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 00:04:05,925 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 00:04:05,926 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-29 00:04:05,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:04:05 BoogieIcfgContainer [2021-10-29 00:04:05,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 00:04:05,932 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-29 00:04:05,932 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-29 00:04:05,940 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-29 00:04:05,942 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:04:05,943 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.10 12:04:03" (1/3) ... [2021-10-29 00:04:05,945 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b137a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.10 12:04:05, skipping insertion in model container [2021-10-29 00:04:05,946 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:04:05,946 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:04" (2/3) ... [2021-10-29 00:04:05,947 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b137a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.10 12:04:05, skipping insertion in model container [2021-10-29 00:04:05,947 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:04:05,947 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:04:05" (3/3) ... [2021-10-29 00:04:05,949 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product07.cil.c [2021-10-29 00:04:06,030 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-29 00:04:06,031 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-29 00:04:06,031 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-29 00:04:06,031 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-29 00:04:06,032 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-29 00:04:06,032 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-29 00:04:06,032 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-29 00:04:06,032 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-29 00:04:06,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 72 states, 71 states have (on average 1.5352112676056338) internal successors, (109), 71 states have internal predecessors, (109), 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 00:04:06,102 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-10-29 00:04:06,103 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:04:06,103 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:04:06,111 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:06,111 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:06,111 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-29 00:04:06,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 72 states, 71 states have (on average 1.5352112676056338) internal successors, (109), 71 states have internal predecessors, (109), 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 00:04:06,120 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-10-29 00:04:06,120 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:04:06,120 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:04:06,121 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:06,122 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:06,129 INFO L791 eck$LassoCheckResult]: Stem: 58#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(13);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(80, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(117, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(109, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(112, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(32, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0; 42#L-1true havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 71#L384true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 51#L392true main_#t~ret75 := valid_product_#res;main_~tmp~5 := main_#t~ret75;havoc main_#t~ret75; 67#L856true assume 0 != main_~tmp~5; 20#L831true ~methAndRunningLastTime~0 := 0; 26#L876true havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 28#L887-1true [2021-10-29 00:04:06,130 INFO L793 eck$LassoCheckResult]: Loop: 28#L887-1true assume !false; 62#L303true assume test_~splverifierCounter~0 < 4; 30#L304true test_~tmp~1 := test_#t~nondet35;havoc test_#t~nondet35; 65#L312true assume !(0 != test_~tmp~1); 33#L312-1true test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 16#L322true assume !(0 != test_~tmp___0~0); 72#L322-1true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 27#L332true assume 0 != test_~tmp___2~0; 29#L338-1true assume !(0 != ~pumpRunning~0); 31#L150true assume !(0 != ~systemActive~0); 7#L157true havoc __utac_acc__Specification2_spec__2_#t~ret76, __utac_acc__Specification2_spec__2_#t~ret77, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 50#L99-1true __utac_acc__Specification2_spec__2_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret76;havoc __utac_acc__Specification2_spec__2_#t~ret76; 63#L887true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 28#L887-1true [2021-10-29 00:04:06,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:06,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-29 00:04:06,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:06,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151045975] [2021-10-29 00:04:06,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:06,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:04:06,527 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:04:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:04:06,809 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:04:06,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:06,837 INFO L85 PathProgramCache]: Analyzing trace with hash 10972499, now seen corresponding path program 1 times [2021-10-29 00:04:06,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:06,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706666303] [2021-10-29 00:04:06,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:06,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:04:06,847 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:04:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:04:06,860 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:04:06,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:06,862 INFO L85 PathProgramCache]: Analyzing trace with hash 844269005, now seen corresponding path program 1 times [2021-10-29 00:04:06,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:06,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651133321] [2021-10-29 00:04:06,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:06,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:07,068 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 00:04:07,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:07,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651133321] [2021-10-29 00:04:07,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651133321] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:07,070 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:07,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-29 00:04:07,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157614100] [2021-10-29 00:04:07,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:07,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 00:04:07,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-29 00:04:07,284 INFO L87 Difference]: Start difference. First operand has 72 states, 71 states have (on average 1.5352112676056338) internal successors, (109), 71 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 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 00:04:07,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:07,584 INFO L93 Difference]: Finished difference Result 190 states and 265 transitions. [2021-10-29 00:04:07,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 00:04:07,587 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190 states and 265 transitions. [2021-10-29 00:04:07,599 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 119 [2021-10-29 00:04:07,608 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190 states to 169 states and 244 transitions. [2021-10-29 00:04:07,620 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2021-10-29 00:04:07,621 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2021-10-29 00:04:07,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 244 transitions. [2021-10-29 00:04:07,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-29 00:04:07,627 INFO L681 BuchiCegarLoop]: Abstraction has 169 states and 244 transitions. [2021-10-29 00:04:07,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 244 transitions. [2021-10-29 00:04:07,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 109. [2021-10-29 00:04:07,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 109 states have (on average 1.4403669724770642) internal successors, (157), 108 states have internal predecessors, (157), 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 00:04:07,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 157 transitions. [2021-10-29 00:04:07,709 INFO L704 BuchiCegarLoop]: Abstraction has 109 states and 157 transitions. [2021-10-29 00:04:07,714 INFO L587 BuchiCegarLoop]: Abstraction has 109 states and 157 transitions. [2021-10-29 00:04:07,714 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-29 00:04:07,715 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states and 157 transitions. [2021-10-29 00:04:07,721 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 76 [2021-10-29 00:04:07,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:04:07,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:04:07,722 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:07,722 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:07,723 INFO L791 eck$LassoCheckResult]: Stem: 340#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(13);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(80, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(117, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(109, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(112, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(32, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0; 329#L-1 havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 330#L384 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 336#L392 main_#t~ret75 := valid_product_#res;main_~tmp~5 := main_#t~ret75;havoc main_#t~ret75; 337#L856 assume 0 != main_~tmp~5; 305#L831 ~methAndRunningLastTime~0 := 0; 306#L876 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 284#L887-1 [2021-10-29 00:04:07,723 INFO L793 eck$LassoCheckResult]: Loop: 284#L887-1 assume !false; 317#L303 assume test_~splverifierCounter~0 < 4; 320#L304 test_~tmp~1 := test_#t~nondet35;havoc test_#t~nondet35; 321#L312 assume !(0 != test_~tmp~1); 286#L312-1 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 301#L322 assume !(0 != test_~tmp___0~0); 281#L322-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 314#L332 assume 0 != test_~tmp___2~0; 316#L338-1 assume !(0 != ~pumpRunning~0); 319#L150 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret17, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 322#L182 assume !(0 != ~pumpRunning~0); 287#L157 havoc __utac_acc__Specification2_spec__2_#t~ret76, __utac_acc__Specification2_spec__2_#t~ret77, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 288#L99-1 __utac_acc__Specification2_spec__2_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret76;havoc __utac_acc__Specification2_spec__2_#t~ret76; 335#L887 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 284#L887-1 [2021-10-29 00:04:07,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:07,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-29 00:04:07,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:07,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424403583] [2021-10-29 00:04:07,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:07,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:04:07,776 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:04:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:04:07,854 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:04:07,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:07,855 INFO L85 PathProgramCache]: Analyzing trace with hash 319619009, now seen corresponding path program 1 times [2021-10-29 00:04:07,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:07,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877153567] [2021-10-29 00:04:07,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:07,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:04:07,863 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:04:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:04:07,872 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:04:07,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:07,873 INFO L85 PathProgramCache]: Analyzing trace with hash 382006919, now seen corresponding path program 1 times [2021-10-29 00:04:07,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:07,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192328563] [2021-10-29 00:04:07,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:07,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:04:07,937 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:04:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:04:08,077 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:05:18,034 WARN L207 SmtUtils]: Spent 1.16 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-29 00:06:29,636 WARN L207 SmtUtils]: Spent 36.81 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-29 00:06:29,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.10 12:06:29 BoogieIcfgContainer [2021-10-29 00:06:29,831 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-29 00:06:29,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 00:06:29,832 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 00:06:29,832 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 00:06:29,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:04:05" (3/4) ... [2021-10-29 00:06:29,835 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-29 00:06:29,886 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6b130c-6b15-41fc-b0ec-3225b0635ff4/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-29 00:06:29,886 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 00:06:29,887 INFO L168 Benchmark]: Toolchain (without parser) took 146062.57 ms. Allocated memory was 100.7 MB in the beginning and 157.3 MB in the end (delta: 56.6 MB). Free memory was 57.1 MB in the beginning and 113.7 MB in the end (delta: -56.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:06:29,888 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 100.7 MB. Free memory is still 74.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:06:29,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.82 ms. Allocated memory is still 100.7 MB. Free memory was 56.8 MB in the beginning and 68.3 MB in the end (delta: -11.4 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-29 00:06:29,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.72 ms. Allocated memory is still 100.7 MB. Free memory was 68.3 MB in the beginning and 65.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 00:06:29,890 INFO L168 Benchmark]: Boogie Preprocessor took 110.30 ms. Allocated memory is still 100.7 MB. Free memory was 65.3 MB in the beginning and 63.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 00:06:29,891 INFO L168 Benchmark]: RCFGBuilder took 1316.38 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 63.3 MB in the beginning and 84.7 MB in the end (delta: -21.4 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. [2021-10-29 00:06:29,892 INFO L168 Benchmark]: BuchiAutomizer took 143898.91 ms. Allocated memory was 121.6 MB in the beginning and 157.3 MB in the end (delta: 35.7 MB). Free memory was 84.7 MB in the beginning and 115.8 MB in the end (delta: -31.0 MB). Peak memory consumption was 85.3 MB. Max. memory is 16.1 GB. [2021-10-29 00:06:29,893 INFO L168 Benchmark]: Witness Printer took 54.88 ms. Allocated memory is still 157.3 MB. Free memory was 115.8 MB in the beginning and 113.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 00:06:29,896 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 100.7 MB. Free memory is still 74.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 577.82 ms. Allocated memory is still 100.7 MB. Free memory was 56.8 MB in the beginning and 68.3 MB in the end (delta: -11.4 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.72 ms. Allocated memory is still 100.7 MB. Free memory was 68.3 MB in the beginning and 65.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 110.30 ms. Allocated memory is still 100.7 MB. Free memory was 65.3 MB in the beginning and 63.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1316.38 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 63.3 MB in the beginning and 84.7 MB in the end (delta: -21.4 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 143898.91 ms. Allocated memory was 121.6 MB in the beginning and 157.3 MB in the end (delta: 35.7 MB). Free memory was 84.7 MB in the beginning and 115.8 MB in the end (delta: -31.0 MB). Peak memory consumption was 85.3 MB. Max. memory is 16.1 GB. * Witness Printer took 54.88 ms. Allocated memory is still 157.3 MB. Free memory was 115.8 MB in the beginning and 113.7 MB in the end (delta: 2.1 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 6 locations. The remainder module has 109 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 143.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 143.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 60 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 109 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 96 SDtfs, 444 SDslu, 470 SDs, 0 SdLazy, 38 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 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: 302]: 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, retValue_acc=0, NULL=0, NULL=27072, NULL=0, NULL=1, NULL=27085, NULL=0, NULL=0, NULL=27090, retValue_acc=0, NULL=27075, methaneLevelCritical=0, NULL=27080, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@335062fd=0, NULL=27102, NULL=0, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=27100, NULL=27083, cleanupTimeShifts=4, NULL=27097, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cce737c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5929465e=65, NULL=27073, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e0f3174=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@688c5afe=0, NULL=0, systemActive=1, waterLevel=1, NULL=27089, NULL=0, NULL=0, NULL=0, NULL=27098, NULL=0, NULL=27076, NULL=0, tmp___0=0, NULL=27091, NULL=0, NULL=27082, \result=1, head=0, pumpRunning=0, \result=0, NULL=0, NULL=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@308804ff=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60ebc0cd=0, retValue_acc=1, NULL=27078, NULL=27101, NULL=27081, NULL=0, NULL=0, NULL=27074, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a5cb63=0, tmp___2=65, tmp___0=0, NULL=27084, NULL=27095, splverifierCounter=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=27099, NULL=27070, tmp=0, NULL=27079, head=0, NULL=0, NULL=0, NULL=27077, NULL=0, NULL=0, NULL=27071, NULL=27094, NULL=0, NULL=27065, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L142] int pumpRunning = 0; [L143] int systemActive = 1; [L575] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L772] int cleanupTimeShifts = 4; [L870] int methAndRunningLastTime ; [L847] int retValue_acc ; [L848] int tmp ; [L388] int retValue_acc ; [L391] retValue_acc = 1 [L392] return (retValue_acc); [L854] tmp = valid_product() [L856] COND TRUE \read(tmp) [L875] methAndRunningLastTime = 0 [L293] int splverifierCounter ; [L294] int tmp ; [L295] int tmp___0 ; [L296] int tmp___1 ; [L297] int tmp___2 ; [L300] splverifierCounter = 0 Loop: [L302] COND TRUE 1 [L304] COND TRUE splverifierCounter < 4 [L310] tmp = __VERIFIER_nondet_int() [L312] COND FALSE !(\read(tmp)) [L320] tmp___0 = __VERIFIER_nondet_int() [L322] COND FALSE !(\read(tmp___0)) [L330] tmp___2 = __VERIFIER_nondet_int() [L332] COND TRUE \read(tmp___2) [L150] COND FALSE !(\read(pumpRunning)) [L157] COND TRUE \read(systemActive) [L179] int tmp ; [L182] COND FALSE !(\read(pumpRunning)) [L880] int tmp ; [L881] int tmp___0 ; [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L885] tmp = isMethaneLevelCritical() [L887] COND FALSE !(\read(tmp)) [L903] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 00:06:29,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d6b130c-6b15-41fc-b0ec-3225b0635ff4/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...