./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product30.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_a54c9835-adaf-4f2f-be87-68dcaaeab52c/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54c9835-adaf-4f2f-be87-68dcaaeab52c/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_a54c9835-adaf-4f2f-be87-68dcaaeab52c/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54c9835-adaf-4f2f-be87-68dcaaeab52c/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54c9835-adaf-4f2f-be87-68dcaaeab52c/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_a54c9835-adaf-4f2f-be87-68dcaaeab52c/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 57ef4714e94677ff3ffda9fa58ccb58875f35cc3 .................................................................................................................................................................................................................................................................................................................................................................................... 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 01:14:56,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:14:56,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:14:56,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:14:56,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:14:56,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:14:56,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:14:56,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:14:56,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:14:56,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:14:56,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:14:56,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:14:56,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:14:56,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:14:56,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:14:56,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:14:56,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:14:56,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:14:56,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:14:56,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:14:56,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:14:56,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:14:56,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:14:56,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:14:56,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:14:56,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:14:56,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:14:56,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:14:56,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:14:56,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:14:56,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:14:56,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:14:56,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:14:56,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:14:56,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:14:56,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:14:56,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:14:56,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:14:56,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:14:56,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:14:56,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:14:56,799 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54c9835-adaf-4f2f-be87-68dcaaeab52c/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 01:14:56,831 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:14:56,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:14:56,832 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:14:56,832 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:14:56,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:14:56,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:14:56,834 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:14:56,834 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:14:56,835 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:14:56,835 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:14:56,835 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:14:56,836 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:14:56,836 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:14:56,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:14:56,836 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:14:56,837 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:14:56,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:14:56,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:14:56,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:14:56,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:14:56,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:14:56,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:14:56,839 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:14:56,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:14:56,839 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:14:56,840 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:14:56,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:14:56,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:14:56,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:14:56,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:14:56,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:14:56,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:14:56,843 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:14:56,843 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_a54c9835-adaf-4f2f-be87-68dcaaeab52c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54c9835-adaf-4f2f-be87-68dcaaeab52c/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57ef4714e94677ff3ffda9fa58ccb58875f35cc3 [2021-10-13 01:14:57,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:14:57,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:14:57,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:14:57,235 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:14:57,236 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:14:57,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54c9835-adaf-4f2f-be87-68dcaaeab52c/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c [2021-10-13 01:14:57,351 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54c9835-adaf-4f2f-be87-68dcaaeab52c/bin/uautomizer-WNIpwEf4Nt/data/15b74a4ed/1d398388cab04d4c8e9bfa78f5cb9eb1/FLAG995b2ad5a [2021-10-13 01:14:58,098 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:14:58,098 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54c9835-adaf-4f2f-be87-68dcaaeab52c/sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c [2021-10-13 01:14:58,114 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54c9835-adaf-4f2f-be87-68dcaaeab52c/bin/uautomizer-WNIpwEf4Nt/data/15b74a4ed/1d398388cab04d4c8e9bfa78f5cb9eb1/FLAG995b2ad5a [2021-10-13 01:14:58,342 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54c9835-adaf-4f2f-be87-68dcaaeab52c/bin/uautomizer-WNIpwEf4Nt/data/15b74a4ed/1d398388cab04d4c8e9bfa78f5cb9eb1 [2021-10-13 01:14:58,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:14:58,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:14:58,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:14:58,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:14:58,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:14:58,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:14:58" (1/1) ... [2021-10-13 01:14:58,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dbc1dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:58, skipping insertion in model container [2021-10-13 01:14:58,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:14:58" (1/1) ... [2021-10-13 01:14:58,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:14:58,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:14:58,808 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_a54c9835-adaf-4f2f-be87-68dcaaeab52c/sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c[17658,17671] [2021-10-13 01:14:58,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:14:58,824 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:14:59,007 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_a54c9835-adaf-4f2f-be87-68dcaaeab52c/sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c[17658,17671] [2021-10-13 01:14:59,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:14:59,038 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:14:59,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:59 WrapperNode [2021-10-13 01:14:59,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:14:59,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:14:59,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:14:59,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:14:59,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:59" (1/1) ... [2021-10-13 01:14:59,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:59" (1/1) ... [2021-10-13 01:14:59,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:14:59,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:14:59,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:14:59,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:14:59,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:59" (1/1) ... [2021-10-13 01:14:59,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:59" (1/1) ... [2021-10-13 01:14:59,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:59" (1/1) ... [2021-10-13 01:14:59,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:59" (1/1) ... [2021-10-13 01:14:59,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:59" (1/1) ... [2021-10-13 01:14:59,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:59" (1/1) ... [2021-10-13 01:14:59,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:59" (1/1) ... [2021-10-13 01:14:59,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:14:59,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:14:59,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:14:59,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:14:59,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:59" (1/1) ... [2021-10-13 01:14:59,236 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:14:59,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54c9835-adaf-4f2f-be87-68dcaaeab52c/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:14:59,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54c9835-adaf-4f2f-be87-68dcaaeab52c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:14:59,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54c9835-adaf-4f2f-be87-68dcaaeab52c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:14:59,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:14:59,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:14:59,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:14:59,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:15:00,516 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:15:00,516 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-13 01:15:00,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:15:00 BoogieIcfgContainer [2021-10-13 01:15:00,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:15:00,520 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:15:00,520 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:15:00,523 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:15:00,529 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:15:00,529 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:14:58" (1/3) ... [2021-10-13 01:15:00,530 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63de63a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:15:00, skipping insertion in model container [2021-10-13 01:15:00,531 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:15:00,531 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:14:59" (2/3) ... [2021-10-13 01:15:00,532 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63de63a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:15:00, skipping insertion in model container [2021-10-13 01:15:00,532 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:15:00,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:15:00" (3/3) ... [2021-10-13 01:15:00,534 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product30.cil.c [2021-10-13 01:15:00,589 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:15:00,590 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:15:00,590 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:15:00,590 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:15:00,590 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:15:00,590 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:15:00,591 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:15:00,591 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:15:00,612 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.5238095238095237) internal successors, (160), 105 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:15:00,640 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-13 01:15:00,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:15:00,640 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:15:00,649 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:15:00,649 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:15:00,650 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:15:00,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.5238095238095237) internal successors, (160), 105 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:15:00,658 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-13 01:15:00,658 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:15:00,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:15:00,660 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:15:00,660 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:15:00,666 INFO L791 eck$LassoCheckResult]: Stem: 92#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~string45.base, #t~string45.offset := #Ultimate.allocOnStack(13);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(77, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(101, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(116, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(104, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string49.base, #t~string49.offset, 1);call write~init~int(82, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(73, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(84, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 4 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(75, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 1 + #t~string53.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 40#L-1true havoc main_#res;havoc main_#t~ret43, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; 60#L433true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 26#L441true main_#t~ret43 := valid_product_#res;main_~tmp~3 := main_#t~ret43;havoc main_#t~ret43; 75#L535true assume 0 != main_~tmp~3; 45#L509true ~methAndRunningLastTime~0 := 0; 24#L933true havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, 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; 27#L944-1true [2021-10-13 01:15:00,667 INFO L793 eck$LassoCheckResult]: Loop: 27#L944-1true assume !false; 32#L655true assume test_~splverifierCounter~0 < 4; 78#L656true test_~tmp~4 := test_#t~nondet54;havoc test_#t~nondet54; 38#L664true assume !(0 != test_~tmp~4); 33#L664-1true test_~tmp___0~0 := test_#t~nondet55;havoc test_#t~nondet55; 22#L674true assume !(0 != test_~tmp___0~0); 64#L674-1true test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 7#L684true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 30#L692-2true assume !(0 != ~pumpRunning~0); 54#L722true assume !(0 != ~systemActive~0); 35#L729true havoc __utac_acc__Specification2_spec__2_#t~ret79, __utac_acc__Specification2_spec__2_#t~ret80, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 19#L597-1true __utac_acc__Specification2_spec__2_#t~ret79 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret79;havoc __utac_acc__Specification2_spec__2_#t~ret79; 11#L944true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9);~methAndRunningLastTime~0 := 0; 27#L944-1true [2021-10-13 01:15:00,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:15:00,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-13 01:15:00,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:15:00,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736551722] [2021-10-13 01:15:00,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:15:00,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:15:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:15:01,052 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:15:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:15:01,244 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:15:01,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:15:01,248 INFO L82 PathProgramCache]: Analyzing trace with hash 4938827, now seen corresponding path program 1 times [2021-10-13 01:15:01,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:15:01,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982387067] [2021-10-13 01:15:01,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:15:01,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:15:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:15:01,347 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 01:15:01,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:15:01,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982387067] [2021-10-13 01:15:01,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982387067] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:15:01,349 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:15:01,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:15:01,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955981004] [2021-10-13 01:15:01,359 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 01:15:01,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:15:01,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:15:01,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:15:01,387 INFO L87 Difference]: Start difference. First operand has 106 states, 105 states have (on average 1.5238095238095237) internal successors, (160), 105 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:15:01,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:15:01,469 INFO L93 Difference]: Finished difference Result 106 states and 150 transitions. [2021-10-13 01:15:01,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:15:01,473 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 150 transitions. [2021-10-13 01:15:01,480 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-10-13 01:15:01,492 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 99 states and 142 transitions. [2021-10-13 01:15:01,493 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2021-10-13 01:15:01,497 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 99 [2021-10-13 01:15:01,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 142 transitions. [2021-10-13 01:15:01,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:15:01,500 INFO L681 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2021-10-13 01:15:01,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states and 142 transitions. [2021-10-13 01:15:01,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2021-10-13 01:15:01,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 99 states have (on average 1.4343434343434343) internal successors, (142), 98 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:15:01,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 142 transitions. [2021-10-13 01:15:01,551 INFO L704 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2021-10-13 01:15:01,552 INFO L587 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2021-10-13 01:15:01,552 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:15:01,552 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 142 transitions. [2021-10-13 01:15:01,557 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-10-13 01:15:01,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:15:01,558 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:15:01,559 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:15:01,560 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:15:01,560 INFO L791 eck$LassoCheckResult]: Stem: 316#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~string45.base, #t~string45.offset := #Ultimate.allocOnStack(13);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(77, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(101, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(116, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(104, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string49.base, #t~string49.offset, 1);call write~init~int(82, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(73, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(84, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 4 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(75, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 1 + #t~string53.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 284#L-1 havoc main_#res;havoc main_#t~ret43, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; 285#L433 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 266#L441 main_#t~ret43 := valid_product_#res;main_~tmp~3 := main_#t~ret43;havoc main_#t~ret43; 267#L535 assume 0 != main_~tmp~3; 290#L509 ~methAndRunningLastTime~0 := 0; 263#L933 havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, 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; 236#L944-1 [2021-10-13 01:15:01,561 INFO L793 eck$LassoCheckResult]: Loop: 236#L944-1 assume !false; 268#L655 assume test_~splverifierCounter~0 < 4; 274#L656 test_~tmp~4 := test_#t~nondet54;havoc test_#t~nondet54; 280#L664 assume !(0 != test_~tmp~4); 275#L664-1 test_~tmp___0~0 := test_#t~nondet55;havoc test_#t~nondet55; 259#L674 assume !(0 != test_~tmp___0~0); 261#L674-1 test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 229#L684 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 231#L692-2 assume !(0 != ~pumpRunning~0); 265#L722 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret59, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 223#L780 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret58, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 224#L754-1 assume !(0 != ~pumpRunning~0); 228#L729 havoc __utac_acc__Specification2_spec__2_#t~ret79, __utac_acc__Specification2_spec__2_#t~ret80, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 255#L597-1 __utac_acc__Specification2_spec__2_#t~ret79 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret79;havoc __utac_acc__Specification2_spec__2_#t~ret79; 241#L944 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9);~methAndRunningLastTime~0 := 0; 236#L944-1 [2021-10-13 01:15:01,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:15:01,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-13 01:15:01,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:15:01,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250294853] [2021-10-13 01:15:01,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:15:01,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:15:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:15:01,688 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:15:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:15:01,814 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:15:01,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:15:01,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1698133379, now seen corresponding path program 1 times [2021-10-13 01:15:01,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:15:01,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865319103] [2021-10-13 01:15:01,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:15:01,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:15:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:15:01,832 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:15:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:15:01,850 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:15:01,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:15:01,856 INFO L82 PathProgramCache]: Analyzing trace with hash 235891831, now seen corresponding path program 1 times [2021-10-13 01:15:01,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:15:01,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171044599] [2021-10-13 01:15:01,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:15:01,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:15:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:15:01,946 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:15:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:15:02,026 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:16:16,535 WARN L207 SmtUtils]: Spent 1.24 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-13 01:17:20,127 WARN L207 SmtUtils]: Spent 32.57 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-13 01:17:20,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:17:20 BoogieIcfgContainer [2021-10-13 01:17:20,311 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:17:20,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:17:20,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:17:20,312 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:17:20,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:15:00" (3/4) ... [2021-10-13 01:17:20,315 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 01:17:20,430 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54c9835-adaf-4f2f-be87-68dcaaeab52c/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:17:20,439 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:17:20,440 INFO L168 Benchmark]: Toolchain (without parser) took 142089.44 ms. Allocated memory was 127.9 MB in the beginning and 167.8 MB in the end (delta: 39.8 MB). Free memory was 95.3 MB in the beginning and 91.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 44.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:17:20,446 INFO L168 Benchmark]: CDTParser took 1.12 ms. Allocated memory is still 88.1 MB. Free memory is still 46.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:17:20,447 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.52 ms. Allocated memory is still 127.9 MB. Free memory was 95.0 MB in the beginning and 95.4 MB in the end (delta: -410.5 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:17:20,448 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.22 ms. Allocated memory is still 127.9 MB. Free memory was 95.4 MB in the beginning and 91.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:17:20,448 INFO L168 Benchmark]: Boogie Preprocessor took 88.30 ms. Allocated memory is still 127.9 MB. Free memory was 91.9 MB in the beginning and 89.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:17:20,449 INFO L168 Benchmark]: RCFGBuilder took 1295.13 ms. Allocated memory is still 127.9 MB. Free memory was 89.2 MB in the beginning and 94.9 MB in the end (delta: -5.7 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:17:20,449 INFO L168 Benchmark]: BuchiAutomizer took 139791.08 ms. Allocated memory was 127.9 MB in the beginning and 167.8 MB in the end (delta: 39.8 MB). Free memory was 94.9 MB in the beginning and 93.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 97.8 MB. Max. memory is 16.1 GB. [2021-10-13 01:17:20,450 INFO L168 Benchmark]: Witness Printer took 127.55 ms. Allocated memory is still 167.8 MB. Free memory was 93.6 MB in the beginning and 91.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:17:20,453 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12 ms. Allocated memory is still 88.1 MB. Free memory is still 46.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 682.52 ms. Allocated memory is still 127.9 MB. Free memory was 95.0 MB in the beginning and 95.4 MB in the end (delta: -410.5 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.22 ms. Allocated memory is still 127.9 MB. Free memory was 95.4 MB in the beginning and 91.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.30 ms. Allocated memory is still 127.9 MB. Free memory was 91.9 MB in the beginning and 89.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1295.13 ms. Allocated memory is still 127.9 MB. Free memory was 89.2 MB in the beginning and 94.9 MB in the end (delta: -5.7 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 139791.08 ms. Allocated memory was 127.9 MB in the beginning and 167.8 MB in the end (delta: 39.8 MB). Free memory was 94.9 MB in the beginning and 93.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 97.8 MB. Max. memory is 16.1 GB. * Witness Printer took 127.55 ms. Allocated memory is still 167.8 MB. Free memory was 93.6 MB in the beginning and 91.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 99 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 139.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 139.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 32.0ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 99 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 147 SDtfs, 147 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.5ms Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 654]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=19615} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=19615, NULL=19641, NULL=0, retValue_acc=0, NULL=19632, NULL=19629, NULL=19630, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@655194af=0, methaneLevelCritical=0, NULL=19623, NULL=0, tmp=0, NULL=0, NULL=0, tmp___1=0, NULL=19635, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34bd984f=0, NULL=0, NULL=0, NULL=19617, NULL=19622, NULL=19634, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1bf867ff=0, NULL=19619, NULL=19621, NULL=19626, NULL=19631, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=19640, NULL=0, NULL=0, retValue_acc=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76d0bb6d=0, NULL=19627, tmp___0=0, NULL=0, NULL=19625, \result=1, head=0, pumpRunning=0, NULL=19639, \result=0, tmp=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=19620, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3447a1c5=0, retValue_acc=1, NULL=19637, NULL=0, NULL=0, NULL=19643, NULL=0, NULL=19633, tmp___2=76, NULL=0, NULL=19616, NULL=19628, tmp___0=0, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=19642, NULL=19618, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19b2c7af=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ba5a69b=76, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c3ca534=0, head=0, NULL=0, NULL=0, tmp=0, NULL=19624, NULL=0, NULL=0, NULL=19636, NULL=19638, tmp=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d7978a0=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L446] int cleanupTimeShifts = 4; [L554] int waterLevel = 1; [L555] int methaneLevelCritical = 0; [L714] int pumpRunning = 0; [L715] int systemActive = 1; [L927] int methAndRunningLastTime ; [L526] int retValue_acc ; [L527] int tmp ; [L437] int retValue_acc ; [L440] retValue_acc = 1 [L441] return (retValue_acc); [L533] tmp = valid_product() [L535] COND TRUE \read(tmp) [L932] methAndRunningLastTime = 0 [L645] int splverifierCounter ; [L646] int tmp ; [L647] int tmp___0 ; [L648] int tmp___1 ; [L649] int tmp___2 ; [L652] splverifierCounter = 0 Loop: [L654] COND TRUE 1 [L656] COND TRUE splverifierCounter < 4 [L662] tmp = __VERIFIER_nondet_int() [L664] COND FALSE !(\read(tmp)) [L672] tmp___0 = __VERIFIER_nondet_int() [L674] COND FALSE !(\read(tmp___0)) [L682] tmp___2 = __VERIFIER_nondet_int() [L684] COND TRUE \read(tmp___2) [L913] systemActive = 1 [L722] COND FALSE !(\read(pumpRunning)) [L729] COND TRUE \read(systemActive) [L777] int tmp ; [L780] COND FALSE !(\read(pumpRunning)) [L751] int tmp ; [L754] COND FALSE !(\read(pumpRunning)) [L937] int tmp ; [L938] int tmp___0 ; [L593] int retValue_acc ; [L596] retValue_acc = methaneLevelCritical [L597] return (retValue_acc); [L942] tmp = isMethaneLevelCritical() [L944] COND FALSE !(\read(tmp)) [L960] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 01:17:20,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a54c9835-adaf-4f2f-be87-68dcaaeab52c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...