./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be009ee-9b96-4f1f-b0f5-cb4c3fcade06/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be009ee-9b96-4f1f-b0f5-cb4c3fcade06/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be009ee-9b96-4f1f-b0f5-cb4c3fcade06/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be009ee-9b96-4f1f-b0f5-cb4c3fcade06/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be009ee-9b96-4f1f-b0f5-cb4c3fcade06/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be009ee-9b96-4f1f-b0f5-cb4c3fcade06/bin/uautomizer-WNIpwEf4Nt --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 0cc23406006a3a1e447c6e8a913f53a10dcbb620 ........................................................................................................................................................................................................................................................................................................................................................................................ 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-4e77c04 [2021-10-13 00:24:27,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:24:27,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:24:27,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:24:27,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:24:27,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:24:27,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:24:27,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:24:27,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:24:27,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:24:27,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:24:27,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:24:27,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:24:27,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:24:27,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:24:27,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:24:27,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:24:27,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:24:27,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:24:27,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:24:27,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:24:27,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:24:27,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:24:27,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:24:27,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:24:27,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:24:27,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:24:27,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:24:27,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:24:27,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:24:27,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:24:27,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:24:27,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:24:27,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:24:27,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:24:27,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:24:27,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:24:27,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:24:27,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:24:27,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:24:27,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:24:27,696 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be009ee-9b96-4f1f-b0f5-cb4c3fcade06/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:24:27,754 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:24:27,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:24:27,755 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:24:27,755 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:24:27,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:24:27,758 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:24:27,758 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:24:27,758 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:24:27,759 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:24:27,759 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:24:27,760 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:24:27,761 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:24:27,761 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:24:27,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:24:27,761 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:24:27,762 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:24:27,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:24:27,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:24:27,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:24:27,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:24:27,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:24:27,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:24:27,764 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:24:27,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:24:27,764 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:24:27,764 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:24:27,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:24:27,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:24:27,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:24:27,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:24:27,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:24:27,768 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:24:27,770 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:24:27,770 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_8be009ee-9b96-4f1f-b0f5-cb4c3fcade06/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be009ee-9b96-4f1f-b0f5-cb4c3fcade06/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc23406006a3a1e447c6e8a913f53a10dcbb620 [2021-10-13 00:24:28,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:24:28,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:24:28,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:24:28,174 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:24:28,176 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:24:28,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be009ee-9b96-4f1f-b0f5-cb4c3fcade06/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2021-10-13 00:24:28,255 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be009ee-9b96-4f1f-b0f5-cb4c3fcade06/bin/uautomizer-WNIpwEf4Nt/data/2eb1789aa/cfb53494665f44b8902bc17d2c3041cb/FLAG82c1dfcaa [2021-10-13 00:24:28,896 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:24:28,897 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be009ee-9b96-4f1f-b0f5-cb4c3fcade06/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c [2021-10-13 00:24:28,918 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be009ee-9b96-4f1f-b0f5-cb4c3fcade06/bin/uautomizer-WNIpwEf4Nt/data/2eb1789aa/cfb53494665f44b8902bc17d2c3041cb/FLAG82c1dfcaa [2021-10-13 00:24:29,149 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be009ee-9b96-4f1f-b0f5-cb4c3fcade06/bin/uautomizer-WNIpwEf4Nt/data/2eb1789aa/cfb53494665f44b8902bc17d2c3041cb [2021-10-13 00:24:29,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:24:29,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:24:29,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:24:29,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:24:29,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:24:29,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:24:29" (1/1) ... [2021-10-13 00:24:29,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a275c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:29, skipping insertion in model container [2021-10-13 00:24:29,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:24:29" (1/1) ... [2021-10-13 00:24:29,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:24:29,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:24:29,662 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_8be009ee-9b96-4f1f-b0f5-cb4c3fcade06/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14314,14327] [2021-10-13 00:24:29,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:24:29,691 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:24:29,813 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_8be009ee-9b96-4f1f-b0f5-cb4c3fcade06/sv-benchmarks/c/product-lines/minepump_spec2_product11.cil.c[14314,14327] [2021-10-13 00:24:29,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:24:29,862 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:24:29,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:29 WrapperNode [2021-10-13 00:24:29,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:24:29,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:24:29,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:24:29,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:24:29,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:29" (1/1) ... [2021-10-13 00:24:29,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:29" (1/1) ... [2021-10-13 00:24:29,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:24:29,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:24:29,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:24:29,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:24:29,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:29" (1/1) ... [2021-10-13 00:24:29,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:29" (1/1) ... [2021-10-13 00:24:30,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:29" (1/1) ... [2021-10-13 00:24:30,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:29" (1/1) ... [2021-10-13 00:24:30,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:29" (1/1) ... [2021-10-13 00:24:30,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:29" (1/1) ... [2021-10-13 00:24:30,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:29" (1/1) ... [2021-10-13 00:24:30,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:24:30,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:24:30,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:24:30,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:24:30,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:29" (1/1) ... [2021-10-13 00:24:30,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:24:30,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be009ee-9b96-4f1f-b0f5-cb4c3fcade06/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:24:30,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be009ee-9b96-4f1f-b0f5-cb4c3fcade06/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:24:30,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be009ee-9b96-4f1f-b0f5-cb4c3fcade06/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:24:30,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:24:30,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:24:30,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:24:30,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:24:31,062 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:24:31,062 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2021-10-13 00:24:31,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:24:31 BoogieIcfgContainer [2021-10-13 00:24:31,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:24:31,066 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:24:31,066 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:24:31,072 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:24:31,073 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:24:31,074 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:24:29" (1/3) ... [2021-10-13 00:24:31,076 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f6a69f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:24:31, skipping insertion in model container [2021-10-13 00:24:31,077 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:24:31,077 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:24:29" (2/3) ... [2021-10-13 00:24:31,078 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f6a69f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:24:31, skipping insertion in model container [2021-10-13 00:24:31,078 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:24:31,079 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:24:31" (3/3) ... [2021-10-13 00:24:31,080 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2021-10-13 00:24:31,161 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:24:31,161 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:24:31,161 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:24:31,161 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:24:31,161 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:24:31,162 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:24:31,162 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:24:31,162 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:24:31,183 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 60 states, 59 states have (on average 1.5423728813559323) internal successors, (91), 59 states have internal predecessors, (91), 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) [2021-10-13 00:24:31,211 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2021-10-13 00:24:31,212 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:24:31,212 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:24:31,221 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:31,221 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:31,222 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:24:31,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 60 states, 59 states have (on average 1.5423728813559323) internal successors, (91), 59 states have internal predecessors, (91), 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) [2021-10-13 00:24:31,229 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2021-10-13 00:24:31,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:24:31,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:24:31,230 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:31,230 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:31,236 INFO L791 eck$LassoCheckResult]: Stem: 51#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~string46.base, #t~string46.offset := #Ultimate.allocOnStack(13);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(110, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 2 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string52.base, #t~string52.offset, 1);call write~init~int(80, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(117, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(109, #t~string52.base, 3 + #t~string52.offset, 1);call write~init~int(112, #t~string52.base, 4 + #t~string52.offset, 1);call write~init~int(58, #t~string52.base, 5 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 6 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string58.base, #t~string58.offset, 1);call write~init~int(32, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string60.base, #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 1 + #t~string60.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(13);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(77, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(101, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(116, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(104, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string72.base, #t~string72.offset, 1);call write~init~int(82, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(73, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(84, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 4 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(75, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 2 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 1 + #t~string76.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 36#L-1true havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 50#L67true 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; 57#L75true main_#t~ret77 := valid_product_#res;main_~tmp~6 := main_#t~ret77;havoc main_#t~ret77; 46#L878true assume 0 != main_~tmp~6; 56#L854true ~methAndRunningLastTime~0 := 0; 59#L681true havoc test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 39#L692-1true [2021-10-13 00:24:31,237 INFO L793 eck$LassoCheckResult]: Loop: 39#L692-1true assume !false; 53#L610true assume test_~splverifierCounter~0 < 4; 41#L611true test_~tmp~4 := test_#t~nondet61;havoc test_#t~nondet61; 16#L619true assume !(0 != test_~tmp~4); 13#L619-1true test_~tmp___0~0 := test_#t~nondet62;havoc test_#t~nondet62; 43#L629true assume !(0 != test_~tmp___0~0); 18#L629-1true test_~tmp___2~0 := test_#t~nondet63;havoc test_#t~nondet63; 30#L639true assume 0 != test_~tmp___2~0; 42#L645-1true assume !(0 != ~pumpRunning~0); 37#L463true assume !(0 != ~systemActive~0); 34#L470true havoc __utac_acc__Specification2_spec__2_#t~ret65, __utac_acc__Specification2_spec__2_#t~ret66, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 28#L758true __utac_acc__Specification2_spec__2_#t~ret65 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret65;havoc __utac_acc__Specification2_spec__2_#t~ret65; 32#L692true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 39#L692-1true [2021-10-13 00:24:31,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:31,244 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-13 00:24:31,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:31,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589051895] [2021-10-13 00:24:31,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:31,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:31,616 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:24:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:31,883 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:24:31,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:31,901 INFO L82 PathProgramCache]: Analyzing trace with hash 10387603, now seen corresponding path program 1 times [2021-10-13 00:24:31,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:31,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562997441] [2021-10-13 00:24:31,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:31,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:31,917 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:24:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:31,929 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:24:31,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:31,931 INFO L82 PathProgramCache]: Analyzing trace with hash 843684109, now seen corresponding path program 1 times [2021-10-13 00:24:31,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:31,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684532859] [2021-10-13 00:24:31,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:31,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:24:32,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:24:32,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:24:32,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684532859] [2021-10-13 00:24:32,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684532859] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:24:32,103 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:24:32,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:24:32,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597961198] [2021-10-13 00:24:32,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:24:32,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:24:32,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:24:32,282 INFO L87 Difference]: Start difference. First operand has 60 states, 59 states have (on average 1.5423728813559323) internal successors, (91), 59 states have internal predecessors, (91), 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) [2021-10-13 00:24:32,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:24:32,628 INFO L93 Difference]: Finished difference Result 166 states and 229 transitions. [2021-10-13 00:24:32,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:24:32,631 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 229 transitions. [2021-10-13 00:24:32,659 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 103 [2021-10-13 00:24:32,667 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 145 states and 208 transitions. [2021-10-13 00:24:32,668 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 145 [2021-10-13 00:24:32,669 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 145 [2021-10-13 00:24:32,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 208 transitions. [2021-10-13 00:24:32,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:24:32,672 INFO L681 BuchiCegarLoop]: Abstraction has 145 states and 208 transitions. [2021-10-13 00:24:32,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 208 transitions. [2021-10-13 00:24:32,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 97. [2021-10-13 00:24:32,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 97 states have (on average 1.4329896907216495) internal successors, (139), 96 states have internal predecessors, (139), 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) [2021-10-13 00:24:32,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2021-10-13 00:24:32,713 INFO L704 BuchiCegarLoop]: Abstraction has 97 states and 139 transitions. [2021-10-13 00:24:32,713 INFO L587 BuchiCegarLoop]: Abstraction has 97 states and 139 transitions. [2021-10-13 00:24:32,713 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:24:32,714 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 139 transitions. [2021-10-13 00:24:32,717 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 68 [2021-10-13 00:24:32,717 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:24:32,717 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:24:32,718 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:32,718 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:24:32,719 INFO L791 eck$LassoCheckResult]: Stem: 292#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~string46.base, #t~string46.offset := #Ultimate.allocOnStack(13);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(110, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 2 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string52.base, #t~string52.offset, 1);call write~init~int(80, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(117, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(109, #t~string52.base, 3 + #t~string52.offset, 1);call write~init~int(112, #t~string52.base, 4 + #t~string52.offset, 1);call write~init~int(58, #t~string52.base, 5 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 6 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string58.base, #t~string58.offset, 1);call write~init~int(32, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string60.base, #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 1 + #t~string60.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(13);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(77, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(101, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(116, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(104, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string72.base, #t~string72.offset, 1);call write~init~int(82, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(73, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(84, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 4 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(75, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 2 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 1 + #t~string76.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 283#L-1 havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 284#L67 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; 291#L75 main_#t~ret77 := valid_product_#res;main_~tmp~6 := main_#t~ret77;havoc main_#t~ret77; 288#L878 assume 0 != main_~tmp~6; 289#L854 ~methAndRunningLastTime~0 := 0; 296#L681 havoc test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 278#L692-1 [2021-10-13 00:24:32,719 INFO L793 eck$LassoCheckResult]: Loop: 278#L692-1 assume !false; 285#L610 assume test_~splverifierCounter~0 < 4; 287#L611 test_~tmp~4 := test_#t~nondet61;havoc test_#t~nondet61; 262#L619 assume !(0 != test_~tmp~4); 258#L619-1 test_~tmp___0~0 := test_#t~nondet62;havoc test_#t~nondet62; 259#L629 assume !(0 != test_~tmp___0~0); 254#L629-1 test_~tmp___2~0 := test_#t~nondet63;havoc test_#t~nondet63; 266#L639 assume 0 != test_~tmp___2~0; 280#L645-1 assume !(0 != ~pumpRunning~0); 268#L463 assume 0 != ~systemActive~0; 282#L470 havoc __utac_acc__Specification2_spec__2_#t~ret65, __utac_acc__Specification2_spec__2_#t~ret66, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 275#L758 __utac_acc__Specification2_spec__2_#t~ret65 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret65;havoc __utac_acc__Specification2_spec__2_#t~ret65; 276#L692 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 278#L692-1 [2021-10-13 00:24:32,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:32,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-13 00:24:32,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:32,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100812117] [2021-10-13 00:24:32,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:32,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:32,778 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:24:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:32,861 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:24:32,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:32,869 INFO L82 PathProgramCache]: Analyzing trace with hash 10298230, now seen corresponding path program 1 times [2021-10-13 00:24:32,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:32,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839602736] [2021-10-13 00:24:32,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:32,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:32,883 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:24:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:32,899 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:24:32,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:24:32,900 INFO L82 PathProgramCache]: Analyzing trace with hash 843594736, now seen corresponding path program 1 times [2021-10-13 00:24:32,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:24:32,900 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285775416] [2021-10-13 00:24:32,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:24:32,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:24:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:32,952 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:24:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:24:33,023 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:25:44,244 WARN L207 SmtUtils]: Spent 1.18 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-13 00:26:53,930 WARN L207 SmtUtils]: Spent 35.05 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-13 00:26:54,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:26:54 BoogieIcfgContainer [2021-10-13 00:26:54,153 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:26:54,154 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:26:54,154 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:26:54,154 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:26:54,155 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:24:31" (3/4) ... [2021-10-13 00:26:54,158 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 00:26:54,229 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be009ee-9b96-4f1f-b0f5-cb4c3fcade06/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:26:54,229 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:26:54,231 INFO L168 Benchmark]: Toolchain (without parser) took 145075.87 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 60.0 MB in the beginning and 77.5 MB in the end (delta: -17.6 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:26:54,232 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 102.8 MB. Free memory is still 77.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:26:54,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.54 ms. Allocated memory is still 102.8 MB. Free memory was 59.8 MB in the beginning and 70.3 MB in the end (delta: -10.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:26:54,233 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.60 ms. Allocated memory is still 102.8 MB. Free memory was 70.3 MB in the beginning and 67.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:26:54,234 INFO L168 Benchmark]: Boogie Preprocessor took 100.44 ms. Allocated memory is still 102.8 MB. Free memory was 67.4 MB in the beginning and 65.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:26:54,236 INFO L168 Benchmark]: RCFGBuilder took 996.55 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 65.7 MB in the beginning and 94.9 MB in the end (delta: -29.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:26:54,237 INFO L168 Benchmark]: BuchiAutomizer took 143086.99 ms. Allocated memory is still 123.7 MB. Free memory was 94.9 MB in the beginning and 79.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 74.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:26:54,238 INFO L168 Benchmark]: Witness Printer took 75.61 ms. Allocated memory is still 123.7 MB. Free memory was 79.5 MB in the beginning and 77.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:26:54,244 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 102.8 MB. Free memory is still 77.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 706.54 ms. Allocated memory is still 102.8 MB. Free memory was 59.8 MB in the beginning and 70.3 MB in the end (delta: -10.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.60 ms. Allocated memory is still 102.8 MB. Free memory was 70.3 MB in the beginning and 67.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 100.44 ms. Allocated memory is still 102.8 MB. Free memory was 67.4 MB in the beginning and 65.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 996.55 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 65.7 MB in the beginning and 94.9 MB in the end (delta: -29.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 143086.99 ms. Allocated memory is still 123.7 MB. Free memory was 94.9 MB in the beginning and 79.5 MB in the end (delta: 15.4 MB). Peak memory consumption was 74.7 MB. Max. memory is 16.1 GB. * Witness Printer took 75.61 ms. Allocated memory is still 123.7 MB. Free memory was 79.5 MB in the beginning and 77.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 97 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 142.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 142.4s. Construction of modules took 0.2s. 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 25.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 48 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 97 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 78 SDtfs, 355 SDslu, 354 SDs, 0 SdLazy, 35 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 205.2ms 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: 609]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=8499} State at position 1 is {NULL=0, NULL=0, NULL=8499, NULL=8518, NULL=0, NULL=0, NULL=8504, retValue_acc=0, NULL=8509, NULL=8521, methaneLevelCritical=0, NULL=8500, tmp=0, NULL=0, NULL=8506, tmp___1=0, NULL=8503, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33f43b51=0, NULL=8526, NULL=8505, NULL=8510, cleanupTimeShifts=4, NULL=8501, NULL=8520, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, retValue_acc=0, NULL=8514, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=8511, NULL=0, NULL=0, NULL=8515, \result=1, head=0, pumpRunning=0, \result=0, NULL=8508, NULL=8527, NULL=0, NULL=0, NULL=0, tmp=1, NULL=8522, NULL=8519, NULL=0, NULL=0, NULL=8516, NULL=0, retValue_acc=1, tmp___2=59, tmp___0=0, NULL=8513, NULL=8524, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=8525, NULL=8502, NULL=8507, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ee897f7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61ea9561=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31fec00d=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74f2c49c=59, NULL=8523, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7508ea7c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@683dd2f2=0, NULL=0, NULL=0, NULL=0, NULL=8517, NULL=8512, tmp=0, NULL=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L249] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L455] int pumpRunning = 0; [L456] int systemActive = 1; [L675] int methAndRunningLastTime ; [L715] int waterLevel = 1; [L716] int methaneLevelCritical = 0; [L795] int cleanupTimeShifts = 4; [L869] int retValue_acc ; [L870] int tmp ; [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L876] tmp = valid_product() [L878] COND TRUE \read(tmp) [L680] methAndRunningLastTime = 0 [L600] int splverifierCounter ; [L601] int tmp ; [L602] int tmp___0 ; [L603] int tmp___1 ; [L604] int tmp___2 ; [L607] splverifierCounter = 0 Loop: [L609] COND TRUE 1 [L611] COND TRUE splverifierCounter < 4 [L617] tmp = __VERIFIER_nondet_int() [L619] COND FALSE !(\read(tmp)) [L627] tmp___0 = __VERIFIER_nondet_int() [L629] COND FALSE !(\read(tmp___0)) [L637] tmp___2 = __VERIFIER_nondet_int() [L639] COND TRUE \read(tmp___2) [L463] COND FALSE !(\read(pumpRunning)) [L470] COND TRUE \read(systemActive) [L685] int tmp ; [L686] int tmp___0 ; [L754] int retValue_acc ; [L757] retValue_acc = methaneLevelCritical [L758] return (retValue_acc); [L690] tmp = isMethaneLevelCritical() [L692] COND FALSE !(\read(tmp)) [L708] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 00:26:54,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8be009ee-9b96-4f1f-b0f5-cb4c3fcade06/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...