./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product02.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_3cb71f4c-7d81-4be3-9ddb-d88b78a8eb02/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb71f4c-7d81-4be3-9ddb-d88b78a8eb02/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_3cb71f4c-7d81-4be3-9ddb-d88b78a8eb02/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb71f4c-7d81-4be3-9ddb-d88b78a8eb02/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb71f4c-7d81-4be3-9ddb-d88b78a8eb02/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_3cb71f4c-7d81-4be3-9ddb-d88b78a8eb02/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 5d126ee18ecb92c3c690e8a34ad047b6b98e7a02d578302f03541b84dbf3857a ............................................................................................................................................................................................................................................................................................................................................................................................ 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 23:24:17,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:24:17,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:24:17,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:24:17,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:24:17,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:24:17,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:24:17,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:24:17,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:24:17,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:24:17,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:24:17,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:24:17,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:24:17,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:24:17,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:24:17,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:24:17,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:24:17,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:24:17,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:24:17,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:24:17,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:24:17,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:24:17,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:24:17,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:24:17,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:24:17,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:24:17,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:24:17,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:24:17,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:24:17,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:24:17,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:24:17,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:24:17,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:24:17,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:24:17,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:24:17,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:24:17,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:24:17,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:24:17,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:24:17,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:24:17,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:24:17,267 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb71f4c-7d81-4be3-9ddb-d88b78a8eb02/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:24:17,317 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:24:17,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:24:17,318 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:24:17,318 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:24:17,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:24:17,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:24:17,320 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:24:17,320 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:24:17,321 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:24:17,321 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:24:17,321 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:24:17,322 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:24:17,322 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:24:17,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:24:17,323 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:24:17,323 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:24:17,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:24:17,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:24:17,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:24:17,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:24:17,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:24:17,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:24:17,325 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:24:17,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:24:17,325 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:24:17,326 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:24:17,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:24:17,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:24:17,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:24:17,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:24:17,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:24:17,328 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:24:17,329 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:24:17,329 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_3cb71f4c-7d81-4be3-9ddb-d88b78a8eb02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb71f4c-7d81-4be3-9ddb-d88b78a8eb02/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d126ee18ecb92c3c690e8a34ad047b6b98e7a02d578302f03541b84dbf3857a [2021-10-28 23:24:17,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:24:17,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:24:17,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:24:17,696 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:24:17,698 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:24:17,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb71f4c-7d81-4be3-9ddb-d88b78a8eb02/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c [2021-10-28 23:24:17,775 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb71f4c-7d81-4be3-9ddb-d88b78a8eb02/bin/uautomizer-GMMbpWq8iD/data/460a0326d/6325508c013d4565837d5101ef8e3236/FLAG27d764d28 [2021-10-28 23:24:18,414 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:24:18,414 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb71f4c-7d81-4be3-9ddb-d88b78a8eb02/sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c [2021-10-28 23:24:18,431 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb71f4c-7d81-4be3-9ddb-d88b78a8eb02/bin/uautomizer-GMMbpWq8iD/data/460a0326d/6325508c013d4565837d5101ef8e3236/FLAG27d764d28 [2021-10-28 23:24:18,696 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb71f4c-7d81-4be3-9ddb-d88b78a8eb02/bin/uautomizer-GMMbpWq8iD/data/460a0326d/6325508c013d4565837d5101ef8e3236 [2021-10-28 23:24:18,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:24:18,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:24:18,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:24:18,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:24:18,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:24:18,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:24:18" (1/1) ... [2021-10-28 23:24:18,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5807dd5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:18, skipping insertion in model container [2021-10-28 23:24:18,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:24:18" (1/1) ... [2021-10-28 23:24:18,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:24:18,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:24:19,024 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_3cb71f4c-7d81-4be3-9ddb-d88b78a8eb02/sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c[2141,2154] [2021-10-28 23:24:19,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:24:19,197 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:24:19,215 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_3cb71f4c-7d81-4be3-9ddb-d88b78a8eb02/sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c[2141,2154] [2021-10-28 23:24:19,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:24:19,352 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:24:19,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:19 WrapperNode [2021-10-28 23:24:19,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:24:19,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:24:19,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:24:19,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:24:19,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:19" (1/1) ... [2021-10-28 23:24:19,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:19" (1/1) ... [2021-10-28 23:24:19,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:24:19,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:24:19,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:24:19,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:24:19,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:19" (1/1) ... [2021-10-28 23:24:19,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:19" (1/1) ... [2021-10-28 23:24:19,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:19" (1/1) ... [2021-10-28 23:24:19,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:19" (1/1) ... [2021-10-28 23:24:19,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:19" (1/1) ... [2021-10-28 23:24:19,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:19" (1/1) ... [2021-10-28 23:24:19,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:19" (1/1) ... [2021-10-28 23:24:19,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:24:19,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:24:19,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:24:19,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:24:19,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:19" (1/1) ... [2021-10-28 23:24:19,529 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:19,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb71f4c-7d81-4be3-9ddb-d88b78a8eb02/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:19,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb71f4c-7d81-4be3-9ddb-d88b78a8eb02/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:19,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb71f4c-7d81-4be3-9ddb-d88b78a8eb02/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:24:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:24:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:24:19,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:24:19,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:24:20,704 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:24:20,705 INFO L299 CfgBuilder]: Removed 74 assume(true) statements. [2021-10-28 23:24:20,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:24:20 BoogieIcfgContainer [2021-10-28 23:24:20,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:24:20,710 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:24:20,710 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:24:20,717 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:24:20,719 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:24:20,719 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:24:18" (1/3) ... [2021-10-28 23:24:20,721 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74e9881e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:24:20, skipping insertion in model container [2021-10-28 23:24:20,721 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:24:20,722 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:19" (2/3) ... [2021-10-28 23:24:20,722 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74e9881e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:24:20, skipping insertion in model container [2021-10-28 23:24:20,723 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:24:20,723 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:24:20" (3/3) ... [2021-10-28 23:24:20,725 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product02.cil.c [2021-10-28 23:24:20,800 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:24:20,801 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:24:20,801 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:24:20,801 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:24:20,817 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:24:20,817 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:24:20,818 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:24:20,818 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:24:20,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 60 states, 59 states have (on average 1.5254237288135593) internal successors, (90), 59 states have internal predecessors, (90), 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 23:24:20,887 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2021-10-28 23:24:20,905 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:24:20,905 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:24:20,913 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:24:20,913 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:24:20,913 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:24:20,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 60 states, 59 states have (on average 1.5254237288135593) internal successors, (90), 59 states have internal predecessors, (90), 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 23:24:20,920 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2021-10-28 23:24:20,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:24:20,920 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:24:20,921 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:24:20,922 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:24:20,929 INFO L791 eck$LassoCheckResult]: Stem: 50#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~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(13);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(110, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 3 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string51.base, #t~string51.offset, 1);call write~init~int(80, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(117, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(109, #t~string51.base, 3 + #t~string51.offset, 1);call write~init~int(112, #t~string51.base, 4 + #t~string51.offset, 1);call write~init~int(58, #t~string51.base, 5 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 6 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string57.base, #t~string57.offset, 1);call write~init~int(32, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string59.base, #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 1 + #t~string59.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(13);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string71.base, #t~string71.offset, 1);call write~init~int(77, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(101, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(116, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(104, #t~string71.base, 4 + #t~string71.offset, 1);call write~init~int(58, #t~string71.base, 5 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 6 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string73.base, #t~string73.offset, 1);call write~init~int(82, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(73, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(84, #t~string73.base, 3 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 4 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string75.base, #t~string75.offset, 1);call write~init~int(75, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 33#L-1true havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; 56#L75true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 21#L83true main_#t~ret67 := valid_product_#res;main_~tmp~5 := main_#t~ret67;havoc main_#t~ret67; 20#L775true assume 0 != main_~tmp~5; 7#L752true havoc test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 16#L604-1true [2021-10-28 23:24:20,930 INFO L793 eck$LassoCheckResult]: Loop: 16#L604-1true assume !false; 29#L637true assume test_~splverifierCounter~0 < 4; 27#L638true test_~tmp~4 := test_#t~nondet63;havoc test_#t~nondet63; 19#L646true assume !(0 != test_~tmp~4); 23#L646-1true test_~tmp___0~1 := test_#t~nondet64;havoc test_#t~nondet64; 25#L656true assume !(0 != test_~tmp___0~1); 14#L656-1true test_~tmp___2~0 := test_#t~nondet65;havoc test_#t~nondet65; 15#L666true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 48#L674-2true assume !(0 != ~pumpRunning~0); 42#L480true assume 0 != ~systemActive~0; 17#L487true havoc __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_#t~ret62, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 4#L832true __utac_acc__Specification3_spec__1_#t~ret60 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret60;havoc __utac_acc__Specification3_spec__1_#t~ret60; 38#L598true assume 0 != __utac_acc__Specification3_spec__1_~tmp~3; 16#L604-1true [2021-10-28 23:24:20,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:20,938 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-28 23:24:20,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:20,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340001828] [2021-10-28 23:24:20,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:20,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:24:21,332 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:24:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:24:21,534 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:24:21,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:21,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1681619239, now seen corresponding path program 1 times [2021-10-28 23:24:21,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:21,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141899233] [2021-10-28 23:24:21,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:21,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:24:21,550 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:24:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:24:21,565 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:24:21,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:21,568 INFO L85 PathProgramCache]: Analyzing trace with hash 32659699, now seen corresponding path program 1 times [2021-10-28 23:24:21,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:21,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714446730] [2021-10-28 23:24:21,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:21,569 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:21,774 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 23:24:21,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:21,776 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714446730] [2021-10-28 23:24:21,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714446730] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:21,777 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:21,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:24:21,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121508397] [2021-10-28 23:24:22,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:22,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:24:22,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:24:22,028 INFO L87 Difference]: Start difference. First operand has 60 states, 59 states have (on average 1.5254237288135593) internal successors, (90), 59 states have internal predecessors, (90), 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 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:22,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:22,256 INFO L93 Difference]: Finished difference Result 185 states and 263 transitions. [2021-10-28 23:24:22,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:24:22,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 185 states and 263 transitions. [2021-10-28 23:24:22,277 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 114 [2021-10-28 23:24:22,290 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 185 states to 163 states and 241 transitions. [2021-10-28 23:24:22,291 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 163 [2021-10-28 23:24:22,295 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2021-10-28 23:24:22,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 163 states and 241 transitions. [2021-10-28 23:24:22,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:24:22,299 INFO L681 BuchiCegarLoop]: Abstraction has 163 states and 241 transitions. [2021-10-28 23:24:22,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states and 241 transitions. [2021-10-28 23:24:22,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 100. [2021-10-28 23:24:22,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 100 states have (on average 1.4) internal successors, (140), 99 states have internal predecessors, (140), 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 23:24:22,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 140 transitions. [2021-10-28 23:24:22,362 INFO L704 BuchiCegarLoop]: Abstraction has 100 states and 140 transitions. [2021-10-28 23:24:22,363 INFO L587 BuchiCegarLoop]: Abstraction has 100 states and 140 transitions. [2021-10-28 23:24:22,363 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:24:22,363 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 100 states and 140 transitions. [2021-10-28 23:24:22,369 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 70 [2021-10-28 23:24:22,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:24:22,370 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:24:22,371 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:24:22,372 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:24:22,373 INFO L791 eck$LassoCheckResult]: Stem: 332#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~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(13);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(110, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 3 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string51.base, #t~string51.offset, 1);call write~init~int(80, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(117, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(109, #t~string51.base, 3 + #t~string51.offset, 1);call write~init~int(112, #t~string51.base, 4 + #t~string51.offset, 1);call write~init~int(58, #t~string51.base, 5 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 6 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string57.base, #t~string57.offset, 1);call write~init~int(32, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string59.base, #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 1 + #t~string59.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(13);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string71.base, #t~string71.offset, 1);call write~init~int(77, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(101, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(116, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(104, #t~string71.base, 4 + #t~string71.offset, 1);call write~init~int(58, #t~string71.base, 5 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 6 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string73.base, #t~string73.offset, 1);call write~init~int(82, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(73, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(84, #t~string73.base, 3 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 4 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string75.base, #t~string75.offset, 1);call write~init~int(75, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 315#L-1 havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; 316#L75 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 295#L83 main_#t~ret67 := valid_product_#res;main_~tmp~5 := main_#t~ret67;havoc main_#t~ret67; 294#L775 assume 0 != main_~tmp~5; 272#L752 havoc test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 269#L604-1 [2021-10-28 23:24:22,374 INFO L793 eck$LassoCheckResult]: Loop: 269#L604-1 assume !false; 356#L637 assume test_~splverifierCounter~0 < 4; 357#L638 test_~tmp~4 := test_#t~nondet63;havoc test_#t~nondet63; 293#L646 assume !(0 != test_~tmp~4); 278#L646-1 test_~tmp___0~1 := test_#t~nondet64;havoc test_#t~nondet64; 298#L656 assume !(0 != test_~tmp___0~1); 363#L656-1 test_~tmp___2~0 := test_#t~nondet65;havoc test_#t~nondet65; 362#L666 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 359#L674-2 assume !(0 != ~pumpRunning~0); 358#L480 assume 0 != ~systemActive~0; 291#L487 havoc __utac_acc__Specification3_spec__1_#t~ret60, __utac_acc__Specification3_spec__1_#t~ret61, __utac_acc__Specification3_spec__1_#t~ret62, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 292#L832 __utac_acc__Specification3_spec__1_#t~ret60 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret60;havoc __utac_acc__Specification3_spec__1_#t~ret60; 322#L598 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 323#L864 __utac_acc__Specification3_spec__1_#t~ret61 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret61;havoc __utac_acc__Specification3_spec__1_#t~ret61; 320#L604 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 269#L604-1 [2021-10-28 23:24:22,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:22,375 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-10-28 23:24:22,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:22,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469550331] [2021-10-28 23:24:22,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:22,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:24:22,452 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:24:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:24:22,534 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:24:22,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:22,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1128380277, now seen corresponding path program 1 times [2021-10-28 23:24:22,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:22,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777038912] [2021-10-28 23:24:22,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:22,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:24:22,543 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:24:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:24:22,577 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:24:22,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:22,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1321204773, now seen corresponding path program 1 times [2021-10-28 23:24:22,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:22,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11413760] [2021-10-28 23:24:22,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:22,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:24:22,635 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:24:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:24:22,706 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:25:42,330 WARN L207 SmtUtils]: Spent 1.32 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-28 23:27:06,992 WARN L207 SmtUtils]: Spent 39.72 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-28 23:27:07,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:27:07 BoogieIcfgContainer [2021-10-28 23:27:07,299 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:27:07,300 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:27:07,300 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:27:07,300 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:27:07,301 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:24:20" (3/4) ... [2021-10-28 23:27:07,318 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 23:27:07,409 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb71f4c-7d81-4be3-9ddb-d88b78a8eb02/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:27:07,411 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:27:07,412 INFO L168 Benchmark]: Toolchain (without parser) took 168710.34 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 76.2 MB in the beginning and 47.8 MB in the end (delta: 28.4 MB). Peak memory consumption was 52.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:27:07,415 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 117.4 MB. Free memory was 93.4 MB in the beginning and 93.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:27:07,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.83 ms. Allocated memory is still 117.4 MB. Free memory was 76.0 MB in the beginning and 85.3 MB in the end (delta: -9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:27:07,416 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.42 ms. Allocated memory is still 117.4 MB. Free memory was 84.9 MB in the beginning and 82.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:27:07,416 INFO L168 Benchmark]: Boogie Preprocessor took 48.33 ms. Allocated memory is still 117.4 MB. Free memory was 82.4 MB in the beginning and 80.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:27:07,417 INFO L168 Benchmark]: RCFGBuilder took 1222.05 ms. Allocated memory is still 117.4 MB. Free memory was 80.3 MB in the beginning and 44.1 MB in the end (delta: 36.2 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:27:07,418 INFO L168 Benchmark]: BuchiAutomizer took 166589.27 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 43.8 MB in the beginning and 49.9 MB in the end (delta: -6.1 MB). Peak memory consumption was 44.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:27:07,422 INFO L168 Benchmark]: Witness Printer took 111.37 ms. Allocated memory is still 142.6 MB. Free memory was 49.9 MB in the beginning and 47.8 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:27:07,425 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 117.4 MB. Free memory was 93.4 MB in the beginning and 93.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 635.83 ms. Allocated memory is still 117.4 MB. Free memory was 76.0 MB in the beginning and 85.3 MB in the end (delta: -9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.42 ms. Allocated memory is still 117.4 MB. Free memory was 84.9 MB in the beginning and 82.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.33 ms. Allocated memory is still 117.4 MB. Free memory was 82.4 MB in the beginning and 80.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1222.05 ms. Allocated memory is still 117.4 MB. Free memory was 80.3 MB in the beginning and 44.1 MB in the end (delta: 36.2 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 166589.27 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 43.8 MB in the beginning and 49.9 MB in the end (delta: -6.1 MB). Peak memory consumption was 44.6 MB. Max. memory is 16.1 GB. * Witness Printer took 111.37 ms. Allocated memory is still 142.6 MB. Free memory was 49.9 MB in the beginning and 47.8 MB in the end (delta: 2.1 MB). There was no memory consumed. 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 5 locations. The remainder module has 100 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 166.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 165.9s. Construction of modules took 0.0s. 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, 63 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 100 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 106 SDtfs, 280 SDslu, 300 SDs, 0 SdLazy, 43 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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: 636]: 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=33457, NULL=1, NULL=0, NULL=33453, NULL=0, retValue_acc=0, NULL=33455, NULL=33466, methaneLevelCritical=0, NULL=33448, tmp=0, NULL=0, tmp___1=0, NULL=7819, NULL=0, NULL=0, tmp___0=1, NULL=33449, NULL=33464, NULL=33447, cleanupTimeShifts=4, NULL=33460, NULL=33452, tmp=0, NULL=33470, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=33471, \result=1, NULL=0, NULL=0, retValue_acc=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cdcfc56=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b7a51cf=0, NULL=33456, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4dffe628=0, NULL=0, NULL=0, NULL=0, NULL=33458, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8f02669=0, \result=1, head=0, pumpRunning=0, NULL=33450, NULL=33451, \result=0, NULL=0, NULL=0, NULL=0, tmp=1, NULL=33473, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f872c79=0, NULL=0, NULL=0, NULL=33474, NULL=0, retValue_acc=1, NULL=33459, retValue_acc=1, tmp___2=64, NULL=0, NULL=33472, tmp___0=0, NULL=33465, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=33468, NULL=33461, NULL=33463, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59adb7ec=64, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fd2000=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1af50de7=0, NULL=33462, NULL=0, NULL=0, NULL=0, NULL=33454, NULL=33469} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L266] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L472] int pumpRunning = 0; [L473] int systemActive = 1; [L693] int cleanupTimeShifts = 4; [L789] int waterLevel = 1; [L790] int methaneLevelCritical = 0; [L766] int retValue_acc ; [L767] int tmp ; [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L773] tmp = valid_product() [L775] COND TRUE \read(tmp) [L627] int splverifierCounter ; [L628] int tmp ; [L629] int tmp___0 ; [L630] int tmp___1 ; [L631] int tmp___2 ; [L634] splverifierCounter = 0 Loop: [L636] COND TRUE 1 [L638] COND TRUE splverifierCounter < 4 [L644] tmp = __VERIFIER_nondet_int() [L646] COND FALSE !(\read(tmp)) [L654] tmp___0 = __VERIFIER_nondet_int() [L656] COND FALSE !(\read(tmp___0)) [L664] tmp___2 = __VERIFIER_nondet_int() [L666] COND TRUE \read(tmp___2) [L583] systemActive = 1 [L480] COND FALSE !(\read(pumpRunning)) [L487] COND TRUE \read(systemActive) [L590] int tmp ; [L591] int tmp___0 ; [L592] int tmp___1 ; [L828] int retValue_acc ; [L831] retValue_acc = methaneLevelCritical [L832] return (retValue_acc); [L596] tmp = isMethaneLevelCritical() [L598] COND FALSE !(\read(tmp)) [L860] int retValue_acc ; [L863] retValue_acc = waterLevel [L864] return (retValue_acc); [L602] tmp___0 = getWaterLevel() [L604] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 23:27:07,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb71f4c-7d81-4be3-9ddb-d88b78a8eb02/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...