./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.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_409bdb72-a74c-49aa-add6-9cf07c3b14e0/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409bdb72-a74c-49aa-add6-9cf07c3b14e0/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_409bdb72-a74c-49aa-add6-9cf07c3b14e0/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409bdb72-a74c-49aa-add6-9cf07c3b14e0/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409bdb72-a74c-49aa-add6-9cf07c3b14e0/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_409bdb72-a74c-49aa-add6-9cf07c3b14e0/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 656a2bbc2fdeac83f3dcc893b23dff27702d34ec .......................................................................................................................................................................................................................................................................................................................................................................................... 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 00:31:39,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:31:39,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:31:39,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:31:39,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:31:39,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:31:39,623 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:31:39,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:31:39,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:31:39,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:31:39,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:31:39,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:31:39,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:31:39,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:31:39,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:31:39,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:31:39,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:31:39,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:31:39,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:31:39,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:31:39,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:31:39,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:31:39,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:31:39,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:31:39,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:31:39,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:31:39,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:31:39,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:31:39,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:31:39,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:31:39,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:31:39,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:31:39,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:31:39,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:31:39,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:31:39,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:31:39,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:31:39,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:31:39,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:31:39,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:31:39,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:31:39,709 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409bdb72-a74c-49aa-add6-9cf07c3b14e0/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:31:39,763 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:31:39,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:31:39,764 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:31:39,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:31:39,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:31:39,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:31:39,767 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:31:39,768 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:31:39,768 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:31:39,768 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:31:39,769 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:31:39,770 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:31:39,770 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:31:39,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:31:39,770 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:31:39,771 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:31:39,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:31:39,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:31:39,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:31:39,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:31:39,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:31:39,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:31:39,772 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:31:39,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:31:39,773 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:31:39,773 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:31:39,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:31:39,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:31:39,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:31:39,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:31:39,774 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:31:39,775 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:31:39,776 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:31:39,776 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_409bdb72-a74c-49aa-add6-9cf07c3b14e0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409bdb72-a74c-49aa-add6-9cf07c3b14e0/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 656a2bbc2fdeac83f3dcc893b23dff27702d34ec [2021-10-13 00:31:40,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:31:40,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:31:40,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:31:40,210 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:31:40,211 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:31:40,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409bdb72-a74c-49aa-add6-9cf07c3b14e0/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2021-10-13 00:31:40,299 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409bdb72-a74c-49aa-add6-9cf07c3b14e0/bin/uautomizer-WNIpwEf4Nt/data/7f63e51e7/16e5277233b24083897e28f33bb0fd5d/FLAG84e0a4d3d [2021-10-13 00:31:40,984 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:31:40,985 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409bdb72-a74c-49aa-add6-9cf07c3b14e0/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2021-10-13 00:31:41,011 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409bdb72-a74c-49aa-add6-9cf07c3b14e0/bin/uautomizer-WNIpwEf4Nt/data/7f63e51e7/16e5277233b24083897e28f33bb0fd5d/FLAG84e0a4d3d [2021-10-13 00:31:41,242 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409bdb72-a74c-49aa-add6-9cf07c3b14e0/bin/uautomizer-WNIpwEf4Nt/data/7f63e51e7/16e5277233b24083897e28f33bb0fd5d [2021-10-13 00:31:41,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:31:41,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:31:41,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:31:41,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:31:41,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:31:41,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:31:41" (1/1) ... [2021-10-13 00:31:41,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@372248b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:41, skipping insertion in model container [2021-10-13 00:31:41,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:31:41" (1/1) ... [2021-10-13 00:31:41,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:31:41,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:31:41,524 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_409bdb72-a74c-49aa-add6-9cf07c3b14e0/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c[1281,1294] [2021-10-13 00:31:41,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:31:41,745 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:31:41,768 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_409bdb72-a74c-49aa-add6-9cf07c3b14e0/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c[1281,1294] [2021-10-13 00:31:41,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:31:41,892 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:31:41,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:41 WrapperNode [2021-10-13 00:31:41,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:31:41,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:31:41,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:31:41,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:31:41,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:41" (1/1) ... [2021-10-13 00:31:41,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:41" (1/1) ... [2021-10-13 00:31:41,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:31:41,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:31:41,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:31:41,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:31:41,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:41" (1/1) ... [2021-10-13 00:31:41,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:41" (1/1) ... [2021-10-13 00:31:41,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:41" (1/1) ... [2021-10-13 00:31:41,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:41" (1/1) ... [2021-10-13 00:31:41,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:41" (1/1) ... [2021-10-13 00:31:41,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:41" (1/1) ... [2021-10-13 00:31:42,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:41" (1/1) ... [2021-10-13 00:31:42,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:31:42,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:31:42,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:31:42,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:31:42,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:41" (1/1) ... [2021-10-13 00:31:42,014 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:31:42,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409bdb72-a74c-49aa-add6-9cf07c3b14e0/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:31:42,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409bdb72-a74c-49aa-add6-9cf07c3b14e0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:31:42,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409bdb72-a74c-49aa-add6-9cf07c3b14e0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:31:42,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:31:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:31:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:31:42,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:31:43,043 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:31:43,044 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-13 00:31:43,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:31:43 BoogieIcfgContainer [2021-10-13 00:31:43,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:31:43,047 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:31:43,047 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:31:43,051 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:31:43,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:31:43,052 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:31:41" (1/3) ... [2021-10-13 00:31:43,053 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18a63277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:31:43, skipping insertion in model container [2021-10-13 00:31:43,053 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:31:43,054 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:41" (2/3) ... [2021-10-13 00:31:43,054 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18a63277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:31:43, skipping insertion in model container [2021-10-13 00:31:43,054 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:31:43,054 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:31:43" (3/3) ... [2021-10-13 00:31:43,056 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product19.cil.c [2021-10-13 00:31:43,099 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:31:43,099 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:31:43,100 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:31:43,100 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:31:43,100 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:31:43,100 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:31:43,100 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:31:43,101 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:31:43,118 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 78 states, 77 states have (on average 1.5324675324675325) internal successors, (118), 77 states have internal predecessors, (118), 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 00:31:43,141 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2021-10-13 00:31:43,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:31:43,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:31:43,149 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:31:43,149 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:31:43,150 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:31:43,151 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 78 states, 77 states have (on average 1.5324675324675325) internal successors, (118), 77 states have internal predecessors, (118), 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 00:31:43,156 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2021-10-13 00:31:43,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:31:43,157 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:31:43,158 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:31:43,158 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:31:43,163 INFO L791 eck$LassoCheckResult]: Stem: 65#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(77, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(101, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(116, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(104, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string47.base, #t~string47.offset, 1);call write~init~int(82, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(73, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(84, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 4 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(75, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 1 + #t~string51.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(80, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(117, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(109, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(112, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(32, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 52#L-1true havoc main_#res;havoc main_#t~ret52, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; 62#L916true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 26#L924true main_#t~ret52 := valid_product_#res;main_~tmp~3 := main_#t~ret52;havoc main_#t~ret52; 63#L603true assume 0 != main_~tmp~3; 61#L574true ~methAndRunningLastTime~0 := 0; 53#L624true havoc test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 79#L635-1true [2021-10-13 00:31:43,164 INFO L793 eck$LassoCheckResult]: Loop: 79#L635-1true assume !false; 44#L838true assume test_~splverifierCounter~0 < 4; 42#L839true test_~tmp~7 := test_#t~nondet74;havoc test_#t~nondet74; 51#L847true assume !(0 != test_~tmp~7); 47#L847-1true test_~tmp___0~2 := test_#t~nondet75;havoc test_#t~nondet75; 43#L857true assume !(0 != test_~tmp___0~2); 78#L857-1true test_~tmp___2~0 := test_#t~nondet76;havoc test_#t~nondet76; 55#L867true assume 0 != test_~tmp___2~0; 13#L873-1true assume !(0 != ~pumpRunning~0); 50#L667true assume !(0 != ~systemActive~0); 25#L674true havoc __utac_acc__Specification2_spec__2_#t~ret53, __utac_acc__Specification2_spec__2_#t~ret54, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 77#L467true __utac_acc__Specification2_spec__2_#t~ret53 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret53;havoc __utac_acc__Specification2_spec__2_#t~ret53; 31#L635true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 79#L635-1true [2021-10-13 00:31:43,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:31:43,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-13 00:31:43,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:31:43,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609185378] [2021-10-13 00:31:43,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:31:43,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:31:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:31:43,405 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:31:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:31:43,571 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:31:43,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:31:43,575 INFO L82 PathProgramCache]: Analyzing trace with hash 11187987, now seen corresponding path program 1 times [2021-10-13 00:31:43,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:31:43,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989644995] [2021-10-13 00:31:43,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:31:43,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:31:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:31:43,595 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:31:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:31:43,609 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:31:43,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:31:43,611 INFO L82 PathProgramCache]: Analyzing trace with hash 844484493, now seen corresponding path program 1 times [2021-10-13 00:31:43,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:31:43,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950327018] [2021-10-13 00:31:43,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:31:43,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:31:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:31:43,852 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 00:31:43,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:31:43,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950327018] [2021-10-13 00:31:43,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950327018] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:31:43,854 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:31:43,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:31:43,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744010331] [2021-10-13 00:31:44,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:31:44,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:31:44,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:31:44,087 INFO L87 Difference]: Start difference. First operand has 78 states, 77 states have (on average 1.5324675324675325) internal successors, (118), 77 states have internal predecessors, (118), 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 00:31:44,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:31:44,307 INFO L93 Difference]: Finished difference Result 202 states and 283 transitions. [2021-10-13 00:31:44,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:31:44,310 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 283 transitions. [2021-10-13 00:31:44,318 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 127 [2021-10-13 00:31:44,326 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 181 states and 262 transitions. [2021-10-13 00:31:44,327 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 181 [2021-10-13 00:31:44,329 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 181 [2021-10-13 00:31:44,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 181 states and 262 transitions. [2021-10-13 00:31:44,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:31:44,332 INFO L681 BuchiCegarLoop]: Abstraction has 181 states and 262 transitions. [2021-10-13 00:31:44,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states and 262 transitions. [2021-10-13 00:31:44,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 115. [2021-10-13 00:31:44,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 115 states have (on average 1.4434782608695653) internal successors, (166), 114 states have internal predecessors, (166), 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 00:31:44,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 166 transitions. [2021-10-13 00:31:44,375 INFO L704 BuchiCegarLoop]: Abstraction has 115 states and 166 transitions. [2021-10-13 00:31:44,375 INFO L587 BuchiCegarLoop]: Abstraction has 115 states and 166 transitions. [2021-10-13 00:31:44,375 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:31:44,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 115 states and 166 transitions. [2021-10-13 00:31:44,378 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 80 [2021-10-13 00:31:44,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:31:44,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:31:44,379 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:31:44,379 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:31:44,379 INFO L791 eck$LassoCheckResult]: Stem: 368#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(77, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(101, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(116, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(104, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string47.base, #t~string47.offset, 1);call write~init~int(82, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(73, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(84, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 4 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(75, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 1 + #t~string51.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(80, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(117, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(109, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(112, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(32, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 360#L-1 havoc main_#res;havoc main_#t~ret52, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; 361#L916 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 331#L924 main_#t~ret52 := valid_product_#res;main_~tmp~3 := main_#t~ret52;havoc main_#t~ret52; 332#L603 assume 0 != main_~tmp~3; 367#L574 ~methAndRunningLastTime~0 := 0; 362#L624 havoc test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 340#L635-1 [2021-10-13 00:31:44,380 INFO L793 eck$LassoCheckResult]: Loop: 340#L635-1 assume !false; 355#L838 assume test_~splverifierCounter~0 < 4; 352#L839 test_~tmp~7 := test_#t~nondet74;havoc test_#t~nondet74; 353#L847 assume !(0 != test_~tmp~7); 343#L847-1 test_~tmp___0~2 := test_#t~nondet75;havoc test_#t~nondet75; 354#L857 assume !(0 != test_~tmp___0~2); 301#L857-1 test_~tmp___2~0 := test_#t~nondet76;havoc test_#t~nondet76; 364#L867 assume 0 != test_~tmp___2~0; 313#L873-1 assume !(0 != ~pumpRunning~0); 315#L667 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret55, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 359#L699 assume !(0 != ~pumpRunning~0); 324#L674 havoc __utac_acc__Specification2_spec__2_#t~ret53, __utac_acc__Specification2_spec__2_#t~ret54, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 330#L467 __utac_acc__Specification2_spec__2_#t~ret53 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret53;havoc __utac_acc__Specification2_spec__2_#t~ret53; 339#L635 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 340#L635-1 [2021-10-13 00:31:44,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:31:44,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-13 00:31:44,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:31:44,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478370374] [2021-10-13 00:31:44,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:31:44,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:31:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:31:44,434 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:31:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:31:44,500 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:31:44,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:31:44,501 INFO L82 PathProgramCache]: Analyzing trace with hash 319834497, now seen corresponding path program 1 times [2021-10-13 00:31:44,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:31:44,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5148277] [2021-10-13 00:31:44,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:31:44,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:31:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:31:44,507 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:31:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:31:44,539 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:31:44,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:31:44,540 INFO L82 PathProgramCache]: Analyzing trace with hash 382222407, now seen corresponding path program 1 times [2021-10-13 00:31:44,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:31:44,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788177355] [2021-10-13 00:31:44,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:31:44,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:31:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:31:44,592 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:31:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:31:44,655 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:32:46,869 WARN L207 SmtUtils]: Spent 1.03 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-13 00:33:49,247 WARN L207 SmtUtils]: Spent 30.28 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-13 00:33:49,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:33:49 BoogieIcfgContainer [2021-10-13 00:33:49,387 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:33:49,388 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:33:49,388 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:33:49,388 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:33:49,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:31:43" (3/4) ... [2021-10-13 00:33:49,391 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 00:33:49,447 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409bdb72-a74c-49aa-add6-9cf07c3b14e0/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:33:49,448 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:33:49,449 INFO L168 Benchmark]: Toolchain (without parser) took 128201.33 ms. Allocated memory was 94.4 MB in the beginning and 146.8 MB in the end (delta: 52.4 MB). Free memory was 57.1 MB in the beginning and 54.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 53.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:49,450 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory was 66.5 MB in the beginning and 66.4 MB in the end (delta: 32.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:33:49,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.83 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 56.9 MB in the beginning and 88.1 MB in the end (delta: -31.2 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:49,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.35 ms. Allocated memory is still 121.6 MB. Free memory was 88.1 MB in the beginning and 85.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:49,452 INFO L168 Benchmark]: Boogie Preprocessor took 37.87 ms. Allocated memory is still 121.6 MB. Free memory was 85.1 MB in the beginning and 83.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:49,453 INFO L168 Benchmark]: RCFGBuilder took 1041.52 ms. Allocated memory is still 121.6 MB. Free memory was 83.0 MB in the beginning and 78.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:49,454 INFO L168 Benchmark]: BuchiAutomizer took 126340.00 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 78.3 MB in the beginning and 56.1 MB in the end (delta: 22.2 MB). Peak memory consumption was 76.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:49,455 INFO L168 Benchmark]: Witness Printer took 60.35 ms. Allocated memory is still 146.8 MB. Free memory was 56.1 MB in the beginning and 54.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:33:49,459 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory was 66.5 MB in the beginning and 66.4 MB in the end (delta: 32.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 643.83 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 56.9 MB in the beginning and 88.1 MB in the end (delta: -31.2 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.35 ms. Allocated memory is still 121.6 MB. Free memory was 88.1 MB in the beginning and 85.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.87 ms. Allocated memory is still 121.6 MB. Free memory was 85.1 MB in the beginning and 83.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1041.52 ms. Allocated memory is still 121.6 MB. Free memory was 83.0 MB in the beginning and 78.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 126340.00 ms. Allocated memory was 121.6 MB in the beginning and 146.8 MB in the end (delta: 25.2 MB). Free memory was 78.3 MB in the beginning and 56.1 MB in the end (delta: 22.2 MB). Peak memory consumption was 76.1 MB. Max. memory is 16.1 GB. * Witness Printer took 60.35 ms. Allocated memory is still 146.8 MB. Free memory was 56.1 MB in the beginning and 54.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 115 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 126.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 125.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 27.0ms AutomataMinimizationTime, 1 MinimizatonAttempts, 66 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 115 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 105 SDtfs, 397 SDslu, 566 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 121.2ms 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: 837]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=1, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6fa22ec2=0, NULL=0, NULL=11364, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@631d8823=0, NULL=11382, NULL=11376, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43feb3c5=0, NULL=11373, retValue_acc=1, NULL=0, NULL=0, tmp=0, NULL=11385, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6582c1cf=0, NULL=11370, NULL=0, NULL=0, NULL=11368, NULL=11372, NULL=11386, cleanupTimeShifts=4, NULL=11371, NULL=11366, NULL=11383, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39808563=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=11375, NULL=0, retValue_acc=0, NULL=11381, NULL=11360, NULL=0, NULL=11379, \result=1, head=0, pumpRunning=0, NULL=11380, \result=0, tmp=1, NULL=0, NULL=11374, NULL=0, NULL=0, NULL=0, NULL=0, NULL=11369, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@722ca89a=66, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5af13833=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e8e6240=0, NULL=0, NULL=11359, tmp___2=66, tmp___0=0, NULL=11377, NULL=11367, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=11362, NULL=11361, head=0, NULL=0, NULL=0, tmp=0, NULL=11365, NULL=0, NULL=0, NULL=11384, tmp=0, NULL=11363, NULL=11378} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L220] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L424] int waterLevel = 1; [L425] int methaneLevelCritical = 0; [L513] int cleanupTimeShifts = 4; [L618] int methAndRunningLastTime ; [L660] int pumpRunning = 0; [L661] int systemActive = 1; [L594] int retValue_acc ; [L595] int tmp ; [L920] int retValue_acc ; [L923] retValue_acc = 1 [L924] return (retValue_acc); [L601] tmp = valid_product() [L603] COND TRUE \read(tmp) [L623] methAndRunningLastTime = 0 [L828] int splverifierCounter ; [L829] int tmp ; [L830] int tmp___0 ; [L831] int tmp___1 ; [L832] int tmp___2 ; [L835] splverifierCounter = 0 Loop: [L837] COND TRUE 1 [L839] COND TRUE splverifierCounter < 4 [L845] tmp = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp)) [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND FALSE !(\read(tmp___0)) [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND TRUE \read(tmp___2) [L667] COND FALSE !(\read(pumpRunning)) [L674] COND TRUE \read(systemActive) [L696] int tmp ; [L699] COND FALSE !(\read(pumpRunning)) [L628] int tmp ; [L629] int tmp___0 ; [L463] int retValue_acc ; [L466] retValue_acc = methaneLevelCritical [L467] return (retValue_acc); [L633] tmp = isMethaneLevelCritical() [L635] COND FALSE !(\read(tmp)) [L651] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 00:33:49,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_409bdb72-a74c-49aa-add6-9cf07c3b14e0/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...