./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab83706d-5248-4c0c-a196-cd0644252d4f/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab83706d-5248-4c0c-a196-cd0644252d4f/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab83706d-5248-4c0c-a196-cd0644252d4f/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab83706d-5248-4c0c-a196-cd0644252d4f/bin/uautomizer-AkOaLMaTGY/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab83706d-5248-4c0c-a196-cd0644252d4f/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab83706d-5248-4c0c-a196-cd0644252d4f/bin/uautomizer-AkOaLMaTGY --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 6e9710f2ba77d873d862776625519cdc19b31c828c43680541828315968db1a8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 07:50:56,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 07:50:56,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 07:50:56,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 07:50:56,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 07:50:56,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 07:50:56,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 07:50:56,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 07:50:56,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 07:50:56,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 07:50:56,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 07:50:56,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 07:50:56,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 07:50:56,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 07:50:56,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 07:50:56,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 07:50:56,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 07:50:56,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 07:50:56,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 07:50:56,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 07:50:56,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 07:50:56,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 07:50:56,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 07:50:56,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 07:50:56,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 07:50:56,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 07:50:56,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 07:50:56,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 07:50:56,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 07:50:56,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 07:50:56,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 07:50:56,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 07:50:56,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 07:50:56,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 07:50:56,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 07:50:56,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 07:50:56,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 07:50:56,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 07:50:56,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 07:50:56,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 07:50:56,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 07:50:56,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab83706d-5248-4c0c-a196-cd0644252d4f/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-07 07:50:56,792 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 07:50:56,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 07:50:56,793 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 07:50:56,793 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 07:50:56,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 07:50:56,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 07:50:56,795 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 07:50:56,796 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-07 07:50:56,796 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-07 07:50:56,797 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-07 07:50:56,797 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-07 07:50:56,797 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-07 07:50:56,798 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-07 07:50:56,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 07:50:56,805 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 07:50:56,805 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 07:50:56,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 07:50:56,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 07:50:56,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 07:50:56,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-07 07:50:56,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-07 07:50:56,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-07 07:50:56,807 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 07:50:56,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 07:50:56,808 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-07 07:50:56,808 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 07:50:56,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-07 07:50:56,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 07:50:56,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 07:50:56,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 07:50:56,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 07:50:56,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 07:50:56,814 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-07 07:50:56,814 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_ab83706d-5248-4c0c-a196-cd0644252d4f/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab83706d-5248-4c0c-a196-cd0644252d4f/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9710f2ba77d873d862776625519cdc19b31c828c43680541828315968db1a8 [2021-11-07 07:50:57,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 07:50:57,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 07:50:57,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 07:50:57,194 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 07:50:57,196 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 07:50:57,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab83706d-5248-4c0c-a196-cd0644252d4f/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2021-11-07 07:50:57,288 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab83706d-5248-4c0c-a196-cd0644252d4f/bin/uautomizer-AkOaLMaTGY/data/a6394f085/44cd00d8fcf442dbbc207cecd8c65aa4/FLAG5cc2e361a [2021-11-07 07:50:57,909 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 07:50:57,909 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab83706d-5248-4c0c-a196-cd0644252d4f/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2021-11-07 07:50:57,929 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab83706d-5248-4c0c-a196-cd0644252d4f/bin/uautomizer-AkOaLMaTGY/data/a6394f085/44cd00d8fcf442dbbc207cecd8c65aa4/FLAG5cc2e361a [2021-11-07 07:50:58,211 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab83706d-5248-4c0c-a196-cd0644252d4f/bin/uautomizer-AkOaLMaTGY/data/a6394f085/44cd00d8fcf442dbbc207cecd8c65aa4 [2021-11-07 07:50:58,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 07:50:58,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 07:50:58,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 07:50:58,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 07:50:58,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 07:50:58,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:50:58" (1/1) ... [2021-11-07 07:50:58,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49eea4e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:58, skipping insertion in model container [2021-11-07 07:50:58,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:50:58" (1/1) ... [2021-11-07 07:50:58,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 07:50:58,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 07:50:58,716 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_ab83706d-5248-4c0c-a196-cd0644252d4f/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c[17338,17351] [2021-11-07 07:50:58,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:50:58,737 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 07:50:58,862 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_ab83706d-5248-4c0c-a196-cd0644252d4f/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c[17338,17351] [2021-11-07 07:50:58,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 07:50:58,914 INFO L208 MainTranslator]: Completed translation [2021-11-07 07:50:58,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:58 WrapperNode [2021-11-07 07:50:58,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 07:50:58,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 07:50:58,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 07:50:58,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 07:50:58,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:58" (1/1) ... [2021-11-07 07:50:58,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:58" (1/1) ... [2021-11-07 07:50:59,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 07:50:59,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 07:50:59,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 07:50:59,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 07:50:59,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:58" (1/1) ... [2021-11-07 07:50:59,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:58" (1/1) ... [2021-11-07 07:50:59,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:58" (1/1) ... [2021-11-07 07:50:59,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:58" (1/1) ... [2021-11-07 07:50:59,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:58" (1/1) ... [2021-11-07 07:50:59,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:58" (1/1) ... [2021-11-07 07:50:59,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:58" (1/1) ... [2021-11-07 07:50:59,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 07:50:59,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 07:50:59,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 07:50:59,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 07:50:59,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:58" (1/1) ... [2021-11-07 07:50:59,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 07:50:59,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab83706d-5248-4c0c-a196-cd0644252d4f/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 07:50:59,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab83706d-5248-4c0c-a196-cd0644252d4f/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 07:50:59,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab83706d-5248-4c0c-a196-cd0644252d4f/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-07 07:50:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 07:50:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 07:50:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 07:50:59,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 07:51:00,311 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 07:51:00,311 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-11-07 07:51:00,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:51:00 BoogieIcfgContainer [2021-11-07 07:51:00,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 07:51:00,315 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-07 07:51:00,315 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-07 07:51:00,319 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-07 07:51:00,320 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:51:00,320 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 07:50:58" (1/3) ... [2021-11-07 07:51:00,322 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d9f444a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 07:51:00, skipping insertion in model container [2021-11-07 07:51:00,322 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:51:00,322 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:58" (2/3) ... [2021-11-07 07:51:00,323 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d9f444a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 07:51:00, skipping insertion in model container [2021-11-07 07:51:00,323 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 07:51:00,323 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:51:00" (3/3) ... [2021-11-07 07:51:00,325 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product32.cil.c [2021-11-07 07:51:00,377 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-07 07:51:00,377 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-07 07:51:00,377 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-07 07:51:00,377 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-07 07:51:00,378 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-07 07:51:00,378 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-07 07:51:00,378 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-07 07:51:00,378 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-07 07:51:00,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 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) [2021-11-07 07:51:00,450 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-11-07 07:51:00,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:51:00,451 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:51:00,458 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-07 07:51:00,459 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:51:00,459 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-07 07:51:00,460 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 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) [2021-11-07 07:51:00,468 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-11-07 07:51:00,469 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:51:00,469 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:51:00,470 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-07 07:51:00,470 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:51:00,476 INFO L791 eck$LassoCheckResult]: Stem: 98#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~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);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(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(80, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(117, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(109, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(112, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(110, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(32, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 33#L-1true havoc main_#res;havoc main_#t~ret80, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9; 65#L537true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 20#L545true main_#t~ret80 := valid_product_#res;main_~tmp~9 := main_#t~ret80;havoc main_#t~ret80; 84#L963true assume 0 != main_~tmp~9; 70#L940true havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 86#L560-1true [2021-11-07 07:51:00,477 INFO L793 eck$LassoCheckResult]: Loop: 86#L560-1true assume !false; 57#L593true assume test_~splverifierCounter~0 < 4; 82#L594true test_~tmp~4 := test_#t~nondet55;havoc test_#t~nondet55; 13#L602true assume !(0 != test_~tmp~4); 88#L602-1true test_~tmp___0~1 := test_#t~nondet56;havoc test_#t~nondet56; 5#L612true assume !(0 != test_~tmp___0~1); 91#L612-1true test_~tmp___2~0 := test_#t~nondet57;havoc test_#t~nondet57; 77#L622true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 43#L630-1true assume !(0 != ~pumpRunning~0); 93#L661true assume !(0 != ~systemActive~0); 30#L668true havoc __utac_acc__Specification1_spec__1_#t~ret53, __utac_acc__Specification1_spec__1_#t~ret54, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~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; 54#L466-1true __utac_acc__Specification1_spec__1_#t~ret53 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret53;havoc __utac_acc__Specification1_spec__1_#t~ret53; 22#L560true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 86#L560-1true [2021-11-07 07:51:00,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:51:00,484 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-11-07 07:51:00,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:51:00,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550376462] [2021-11-07 07:51:00,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:51:00,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:51:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:51:00,799 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:51:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:51:00,989 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:51:00,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:51:00,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1670755444, now seen corresponding path program 1 times [2021-11-07 07:51:00,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:51:00,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263660259] [2021-11-07 07:51:00,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:51:00,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:51:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 07:51:01,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 07:51:01,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 07:51:01,071 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263660259] [2021-11-07 07:51:01,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263660259] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 07:51:01,073 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 07:51:01,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 07:51:01,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912943454] [2021-11-07 07:51:01,079 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-07 07:51:01,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 07:51:01,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 07:51:01,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 07:51:01,103 INFO L87 Difference]: Start difference. First operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 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) [2021-11-07 07:51:01,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 07:51:01,183 INFO L93 Difference]: Finished difference Result 202 states and 288 transitions. [2021-11-07 07:51:01,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 07:51:01,190 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 288 transitions. [2021-11-07 07:51:01,200 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 130 [2021-11-07 07:51:01,224 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 188 states and 273 transitions. [2021-11-07 07:51:01,225 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2021-11-07 07:51:01,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 188 [2021-11-07 07:51:01,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 273 transitions. [2021-11-07 07:51:01,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 07:51:01,229 INFO L681 BuchiCegarLoop]: Abstraction has 188 states and 273 transitions. [2021-11-07 07:51:01,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 273 transitions. [2021-11-07 07:51:01,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2021-11-07 07:51:01,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 186 states have (on average 1.4516129032258065) internal successors, (270), 185 states have internal predecessors, (270), 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) [2021-11-07 07:51:01,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 270 transitions. [2021-11-07 07:51:01,298 INFO L704 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2021-11-07 07:51:01,298 INFO L587 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2021-11-07 07:51:01,299 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-07 07:51:01,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states and 270 transitions. [2021-11-07 07:51:01,310 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2021-11-07 07:51:01,311 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 07:51:01,311 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 07:51:01,312 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-07 07:51:01,312 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 07:51:01,312 INFO L791 eck$LassoCheckResult]: Stem: 433#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~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);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(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(80, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(117, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(109, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(112, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(110, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(32, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 368#L-1 havoc main_#res;havoc main_#t~ret80, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9; 369#L537 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 346#L545 main_#t~ret80 := valid_product_#res;main_~tmp~9 := main_#t~ret80;havoc main_#t~ret80; 347#L963 assume 0 != main_~tmp~9; 412#L940 havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 413#L560-1 [2021-11-07 07:51:01,313 INFO L793 eck$LassoCheckResult]: Loop: 413#L560-1 assume !false; 423#L593 assume test_~splverifierCounter~0 < 4; 421#L594 test_~tmp~4 := test_#t~nondet55;havoc test_#t~nondet55; 335#L602 assume !(0 != test_~tmp~4); 337#L602-1 test_~tmp___0~1 := test_#t~nondet56;havoc test_#t~nondet56; 317#L612 assume !(0 != test_~tmp___0~1); 318#L612-1 test_~tmp___2~0 := test_#t~nondet57;havoc test_#t~nondet57; 416#L622 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 386#L630-1 assume !(0 != ~pumpRunning~0); 388#L661 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret60, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 426#L719 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret59, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 324#L693-1 assume !(0 != ~pumpRunning~0); 325#L668 havoc __utac_acc__Specification1_spec__1_#t~ret53, __utac_acc__Specification1_spec__1_#t~ret54, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~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; 365#L466-1 __utac_acc__Specification1_spec__1_#t~ret53 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret53;havoc __utac_acc__Specification1_spec__1_#t~ret53; 479#L560 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 413#L560-1 [2021-11-07 07:51:01,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:51:01,316 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-11-07 07:51:01,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:51:01,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875303578] [2021-11-07 07:51:01,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:51:01,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:51:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:51:01,391 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:51:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:51:01,468 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:51:01,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:51:01,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1427585826, now seen corresponding path program 1 times [2021-11-07 07:51:01,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:51:01,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023520704] [2021-11-07 07:51:01,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:51:01,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:51:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:51:01,481 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:51:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:51:01,519 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:51:01,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 07:51:01,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1021999224, now seen corresponding path program 1 times [2021-11-07 07:51:01,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 07:51:01,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055930946] [2021-11-07 07:51:01,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 07:51:01,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 07:51:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:51:01,623 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 07:51:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 07:51:01,726 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 07:52:15,209 WARN L207 SmtUtils]: Spent 1.22 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-11-07 07:53:29,169 WARN L207 SmtUtils]: Spent 37.64 s on a formula simplification that was a NOOP. DAG size: 433 [2021-11-07 07:53:29,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.11 07:53:29 BoogieIcfgContainer [2021-11-07 07:53:29,305 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-07 07:53:29,309 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 07:53:29,310 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 07:53:29,310 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 07:53:29,311 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:51:00" (3/4) ... [2021-11-07 07:53:29,313 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-07 07:53:29,423 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab83706d-5248-4c0c-a196-cd0644252d4f/bin/uautomizer-AkOaLMaTGY/witness.graphml [2021-11-07 07:53:29,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 07:53:29,425 INFO L168 Benchmark]: Toolchain (without parser) took 151209.37 ms. Allocated memory was 83.9 MB in the beginning and 146.8 MB in the end (delta: 62.9 MB). Free memory was 49.1 MB in the beginning and 117.4 MB in the end (delta: -68.3 MB). Peak memory consumption was 79.4 MB. Max. memory is 16.1 GB. [2021-11-07 07:53:29,426 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 83.9 MB. Free memory was 54.3 MB in the beginning and 54.3 MB in the end (delta: 27.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 07:53:29,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.27 ms. Allocated memory was 83.9 MB in the beginning and 119.5 MB in the end (delta: 35.7 MB). Free memory was 48.9 MB in the beginning and 87.8 MB in the end (delta: -38.9 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-11-07 07:53:29,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.60 ms. Allocated memory is still 119.5 MB. Free memory was 87.8 MB in the beginning and 84.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 07:53:29,432 INFO L168 Benchmark]: Boogie Preprocessor took 49.11 ms. Allocated memory is still 119.5 MB. Free memory was 84.3 MB in the beginning and 81.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 07:53:29,439 INFO L168 Benchmark]: RCFGBuilder took 1256.36 ms. Allocated memory is still 119.5 MB. Free memory was 81.8 MB in the beginning and 72.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-11-07 07:53:29,441 INFO L168 Benchmark]: BuchiAutomizer took 148994.07 ms. Allocated memory was 119.5 MB in the beginning and 146.8 MB in the end (delta: 27.3 MB). Free memory was 72.0 MB in the beginning and 36.7 MB in the end (delta: 35.4 MB). Peak memory consumption was 70.0 MB. Max. memory is 16.1 GB. [2021-11-07 07:53:29,442 INFO L168 Benchmark]: Witness Printer took 114.08 ms. Allocated memory is still 146.8 MB. Free memory was 36.7 MB in the beginning and 117.4 MB in the end (delta: -80.8 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. [2021-11-07 07:53:29,447 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 83.9 MB. Free memory was 54.3 MB in the beginning and 54.3 MB in the end (delta: 27.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 698.27 ms. Allocated memory was 83.9 MB in the beginning and 119.5 MB in the end (delta: 35.7 MB). Free memory was 48.9 MB in the beginning and 87.8 MB in the end (delta: -38.9 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.60 ms. Allocated memory is still 119.5 MB. Free memory was 87.8 MB in the beginning and 84.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.11 ms. Allocated memory is still 119.5 MB. Free memory was 84.3 MB in the beginning and 81.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1256.36 ms. Allocated memory is still 119.5 MB. Free memory was 81.8 MB in the beginning and 72.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 148994.07 ms. Allocated memory was 119.5 MB in the beginning and 146.8 MB in the end (delta: 27.3 MB). Free memory was 72.0 MB in the beginning and 36.7 MB in the end (delta: 35.4 MB). Peak memory consumption was 70.0 MB. Max. memory is 16.1 GB. * Witness Printer took 114.08 ms. Allocated memory is still 146.8 MB. Free memory was 36.7 MB in the beginning and 117.4 MB in the end (delta: -80.8 MB). Peak memory consumption was 3.2 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 186 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 148.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 148.5s. 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 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 186 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 146 SDtfs, 142 SDslu, 134 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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: 592]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=25628} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=25628, NULL=0, NULL=25632, NULL=0, NULL=25642, NULL=25636, methaneLevelCritical=0, NULL=25635, tmp=0, NULL=25643, NULL=0, NULL=0, NULL=25646, tmp___1=0, NULL=25650, NULL=0, NULL=0, tmp___0=0, NULL=25634, NULL=25654, NULL=25649, cleanupTimeShifts=4, NULL=25652, NULL=25630, NULL=25638, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@946e096=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f7ac213=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51ee784f=0, NULL=0, retValue_acc=0, NULL=25651, retValue_acc=0, NULL=25656, \result=1, head=0, pumpRunning=0, NULL=25639, \result=0, NULL=25645, NULL=0, NULL=25644, NULL=0, NULL=0, tmp=0, NULL=0, NULL=0, NULL=25633, NULL=0, retValue_acc=1, NULL=0, NULL=0, NULL=25647, NULL=0, tmp___2=78, NULL=25655, tmp___0=0, NULL=25631, splverifierCounter=0, NULL=0, \result=0, NULL=25629, NULL=25641, NULL=25640, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f7dfbe1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b97aa84=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ed1d5aa=78, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f801d9f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d0f016d=0, head=0, NULL=0, NULL=0, tmp=1, tmp=0, NULL=25653, NULL=0, NULL=0, NULL=25637, NULL=25648, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b516312=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L654] int pumpRunning = 0; [L655] int systemActive = 1; [L881] int cleanupTimeShifts = 4; [L954] int retValue_acc ; [L955] int tmp ; [L541] int retValue_acc ; [L544] retValue_acc = 1 [L545] return (retValue_acc); [L961] tmp = valid_product() [L963] COND TRUE \read(tmp) [L583] int splverifierCounter ; [L584] int tmp ; [L585] int tmp___0 ; [L586] int tmp___1 ; [L587] int tmp___2 ; [L590] splverifierCounter = 0 Loop: [L592] COND TRUE 1 [L594] COND TRUE splverifierCounter < 4 [L600] tmp = __VERIFIER_nondet_int() [L602] COND FALSE !(\read(tmp)) [L610] tmp___0 = __VERIFIER_nondet_int() [L612] COND FALSE !(\read(tmp___0)) [L620] tmp___2 = __VERIFIER_nondet_int() [L622] COND TRUE \read(tmp___2) [L867] systemActive = 1 [L661] COND FALSE !(\read(pumpRunning)) [L668] COND TRUE \read(systemActive) [L716] int tmp ; [L719] COND FALSE !(\read(pumpRunning)) [L690] int tmp ; [L693] COND FALSE !(\read(pumpRunning)) [L553] int tmp ; [L554] int tmp___0 ; [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L558] tmp = isMethaneLevelCritical() [L560] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-07 07:53:29,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab83706d-5248-4c0c-a196-cd0644252d4f/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)