./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139195c6-4040-422c-a06f-f69cb30e0bb8/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139195c6-4040-422c-a06f-f69cb30e0bb8/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139195c6-4040-422c-a06f-f69cb30e0bb8/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139195c6-4040-422c-a06f-f69cb30e0bb8/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139195c6-4040-422c-a06f-f69cb30e0bb8/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139195c6-4040-422c-a06f-f69cb30e0bb8/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 628e376de87a791dbdeacfd1fda04d4c37dd13aab91e126b57e018d3af22ec68 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:32:23,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:32:23,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:32:23,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:32:23,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:32:23,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:32:23,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:32:23,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:32:23,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:32:23,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:32:23,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:32:23,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:32:23,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:32:23,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:32:23,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:32:23,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:32:23,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:32:23,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:32:23,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:32:23,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:32:23,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:32:23,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:32:23,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:32:23,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:32:23,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:32:23,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:32:23,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:32:23,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:32:23,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:32:23,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:32:23,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:32:23,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:32:23,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:32:23,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:32:23,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:32:23,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:32:23,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:32:23,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:32:23,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:32:23,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:32:23,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:32:23,586 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139195c6-4040-422c-a06f-f69cb30e0bb8/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:32:23,617 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:32:23,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:32:23,619 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:32:23,619 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:32:23,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:32:23,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:32:23,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:32:23,622 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:32:23,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:32:23,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:32:23,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:32:23,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:32:23,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:32:23,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:32:23,624 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:32:23,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:32:23,624 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:32:23,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:32:23,625 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:32:23,625 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:32:23,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:32:23,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:32:23,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:32:23,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:32:23,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:32:23,627 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:32:23,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:32:23,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:32:23,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_139195c6-4040-422c-a06f-f69cb30e0bb8/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139195c6-4040-422c-a06f-f69cb30e0bb8/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 628e376de87a791dbdeacfd1fda04d4c37dd13aab91e126b57e018d3af22ec68 [2021-11-23 01:32:23,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:32:24,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:32:24,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:32:24,025 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:32:24,028 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:32:24,032 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139195c6-4040-422c-a06f-f69cb30e0bb8/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2021-11-23 01:32:24,163 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139195c6-4040-422c-a06f-f69cb30e0bb8/bin/ukojak-LBtLqBUTdQ/data/01216ec9b/432d56aabd4d4c4b8d920e9736e6f1ab/FLAG3c54fb2f7 [2021-11-23 01:32:24,855 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:32:24,855 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139195c6-4040-422c-a06f-f69cb30e0bb8/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2021-11-23 01:32:24,875 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139195c6-4040-422c-a06f-f69cb30e0bb8/bin/ukojak-LBtLqBUTdQ/data/01216ec9b/432d56aabd4d4c4b8d920e9736e6f1ab/FLAG3c54fb2f7 [2021-11-23 01:32:25,135 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139195c6-4040-422c-a06f-f69cb30e0bb8/bin/ukojak-LBtLqBUTdQ/data/01216ec9b/432d56aabd4d4c4b8d920e9736e6f1ab [2021-11-23 01:32:25,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:32:25,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:32:25,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:32:25,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:32:25,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:32:25,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:32:25" (1/1) ... [2021-11-23 01:32:25,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d0a4ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:25, skipping insertion in model container [2021-11-23 01:32:25,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:32:25" (1/1) ... [2021-11-23 01:32:25,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:32:25,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:32:25,608 WARN L230 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_139195c6-4040-422c-a06f-f69cb30e0bb8/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[18134,18147] [2021-11-23 01:32:25,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:32:25,624 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:32:25,718 WARN L230 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_139195c6-4040-422c-a06f-f69cb30e0bb8/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[18134,18147] [2021-11-23 01:32:25,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:32:25,743 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:32:25,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:25 WrapperNode [2021-11-23 01:32:25,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:32:25,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:32:25,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:32:25,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:32:25,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:25" (1/1) ... [2021-11-23 01:32:25,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:25" (1/1) ... [2021-11-23 01:32:25,814 INFO L137 Inliner]: procedures = 54, calls = 155, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 222 [2021-11-23 01:32:25,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:32:25,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:32:25,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:32:25,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:32:25,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:25" (1/1) ... [2021-11-23 01:32:25,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:25" (1/1) ... [2021-11-23 01:32:25,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:25" (1/1) ... [2021-11-23 01:32:25,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:25" (1/1) ... [2021-11-23 01:32:25,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:25" (1/1) ... [2021-11-23 01:32:25,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:25" (1/1) ... [2021-11-23 01:32:25,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:25" (1/1) ... [2021-11-23 01:32:25,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:32:25,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:32:25,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:32:25,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:32:25,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:25" (1/1) ... [2021-11-23 01:32:25,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:32:25,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139195c6-4040-422c-a06f-f69cb30e0bb8/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:32:25,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139195c6-4040-422c-a06f-f69cb30e0bb8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:32:25,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139195c6-4040-422c-a06f-f69cb30e0bb8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:32:25,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:32:25,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 01:32:25,988 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 01:32:25,988 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 01:32:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 01:32:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 01:32:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 01:32:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 01:32:25,990 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 01:32:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 01:32:25,990 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 01:32:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 01:32:25,991 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 01:32:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-23 01:32:25,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-23 01:32:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 01:32:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 01:32:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:32:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 01:32:25,993 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 01:32:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:32:25,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:32:26,119 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:32:26,122 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:32:26,528 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:32:26,791 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:32:26,802 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:32:26,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:32:26 BoogieIcfgContainer [2021-11-23 01:32:26,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:32:26,814 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:32:26,814 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:32:26,831 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:32:26,831 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:32:26" (1/1) ... [2021-11-23 01:32:26,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:32:26,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:26,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 65 states and 84 transitions. [2021-11-23 01:32:26,932 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2021-11-23 01:32:26,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:32:26,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:26,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:27,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:27,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:27,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2021-11-23 01:32:27,240 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2021-11-23 01:32:27,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:32:27,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:27,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:27,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:27,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:27,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 67 states and 85 transitions. [2021-11-23 01:32:27,363 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2021-11-23 01:32:27,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:32:27,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:27,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:27,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:27,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:27,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 76 states and 103 transitions. [2021-11-23 01:32:27,712 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2021-11-23 01:32:27,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:32:27,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:27,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:27,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:27,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:27,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 77 states and 104 transitions. [2021-11-23 01:32:27,815 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 104 transitions. [2021-11-23 01:32:27,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:32:27,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:27,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:27,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:27,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:27,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 78 states and 105 transitions. [2021-11-23 01:32:27,955 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 105 transitions. [2021-11-23 01:32:27,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:32:27,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:27,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:28,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:28,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:28,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 94 states and 136 transitions. [2021-11-23 01:32:28,608 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 136 transitions. [2021-11-23 01:32:28,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:32:28,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:28,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:28,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:28,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:28,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 95 states and 137 transitions. [2021-11-23 01:32:28,751 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2021-11-23 01:32:28,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:32:28,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:28,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:28,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:32:29,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:29,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 105 states and 158 transitions. [2021-11-23 01:32:29,418 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 158 transitions. [2021-11-23 01:32:29,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:32:29,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:29,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:29,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:30,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:30,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 119 states and 188 transitions. [2021-11-23 01:32:30,416 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 188 transitions. [2021-11-23 01:32:30,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:32:30,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:30,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:30,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:30,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:30,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 121 states and 193 transitions. [2021-11-23 01:32:30,762 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 193 transitions. [2021-11-23 01:32:30,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:32:30,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:30,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:30,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:30,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:30,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 119 states and 187 transitions. [2021-11-23 01:32:30,888 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 187 transitions. [2021-11-23 01:32:30,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:32:30,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:30,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:30,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:32:30,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:30,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 120 states and 188 transitions. [2021-11-23 01:32:30,962 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2021-11-23 01:32:30,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:32:30,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:30,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:31,001 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:32:31,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:31,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 125 states and 197 transitions. [2021-11-23 01:32:31,121 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 197 transitions. [2021-11-23 01:32:31,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:32:31,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:31,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:31,195 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:32:31,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:31,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 126 states and 198 transitions. [2021-11-23 01:32:31,229 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 198 transitions. [2021-11-23 01:32:31,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:32:31,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:31,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:31,651 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:32:32,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:32,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 134 states and 220 transitions. [2021-11-23 01:32:32,947 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 220 transitions. [2021-11-23 01:32:32,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:32:32,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:32,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:32,985 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:32:33,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:33,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 137 states and 226 transitions. [2021-11-23 01:32:33,243 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 226 transitions. [2021-11-23 01:32:33,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:32:33,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:33,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:33,294 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:32:34,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:34,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 146 states and 255 transitions. [2021-11-23 01:32:34,679 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 255 transitions. [2021-11-23 01:32:34,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:32:34,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:34,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:34,754 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:32:36,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:36,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 161 states and 285 transitions. [2021-11-23 01:32:36,406 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 285 transitions. [2021-11-23 01:32:36,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:32:36,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:36,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:36,487 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:32:37,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:37,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 168 states and 301 transitions. [2021-11-23 01:32:37,469 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 301 transitions. [2021-11-23 01:32:37,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:32:37,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:37,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:37,523 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:32:37,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:37,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 169 states and 302 transitions. [2021-11-23 01:32:37,552 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 302 transitions. [2021-11-23 01:32:37,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 01:32:37,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:37,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:37,593 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:32:37,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:37,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 172 states and 307 transitions. [2021-11-23 01:32:37,621 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 307 transitions. [2021-11-23 01:32:37,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 01:32:37,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:37,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:37,660 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-23 01:32:37,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:37,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 173 states and 308 transitions. [2021-11-23 01:32:37,695 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 308 transitions. [2021-11-23 01:32:37,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:32:37,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:37,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:37,745 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:32:37,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:37,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 72 states and 88 transitions. [2021-11-23 01:32:37,769 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 88 transitions. [2021-11-23 01:32:37,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:32:37,770 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2021-11-23 01:32:37,782 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:32:38,030 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:32:38,041 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:32:38,041 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-23 01:32:38,047 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:32:38,047 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:32:38,047 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:32:38,048 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:32:38,048 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 01:32:38,049 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:32:38,049 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-23 01:32:38,050 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:32:38,050 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:32:38,050 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:32:38,051 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:32:38,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:32:38 ImpRootNode [2021-11-23 01:32:38,051 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:32:38,052 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:32:38,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:32:38,053 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:32:38,054 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:32:26" (3/4) ... [2021-11-23 01:32:38,058 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:32:38,065 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-23 01:32:38,065 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 01:32:38,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 01:32:38,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 01:32:38,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 01:32:38,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 01:32:38,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 01:32:38,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-11-23 01:32:38,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-11-23 01:32:38,102 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2021-11-23 01:32:38,103 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-23 01:32:38,104 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 01:32:38,105 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 01:32:38,106 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 01:32:38,106 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:32:38,107 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:32:38,140 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || !(1 == systemActive) [2021-11-23 01:32:38,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2021-11-23 01:32:38,210 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139195c6-4040-422c-a06f-f69cb30e0bb8/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:32:38,211 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:32:38,212 INFO L158 Benchmark]: Toolchain (without parser) took 13072.23ms. Allocated memory was 83.9MB in the beginning and 161.5MB in the end (delta: 77.6MB). Free memory was 45.1MB in the beginning and 129.1MB in the end (delta: -84.1MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. [2021-11-23 01:32:38,213 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:32:38,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 603.01ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 52.4MB in the end (delta: -7.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:32:38,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.20ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 49.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:32:38,214 INFO L158 Benchmark]: Boogie Preprocessor took 39.36ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:32:38,215 INFO L158 Benchmark]: RCFGBuilder took 956.81ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 48.2MB in the beginning and 90.5MB in the end (delta: -42.3MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2021-11-23 01:32:38,216 INFO L158 Benchmark]: CodeCheck took 11237.64ms. Allocated memory was 117.4MB in the beginning and 161.5MB in the end (delta: 44.0MB). Free memory was 90.5MB in the beginning and 45.4MB in the end (delta: 45.1MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. [2021-11-23 01:32:38,216 INFO L158 Benchmark]: Witness Printer took 158.92ms. Allocated memory is still 161.5MB. Free memory was 45.4MB in the beginning and 129.1MB in the end (delta: -83.7MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2021-11-23 01:32:38,219 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.9s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5837 SdHoareTripleChecker+Valid, 14.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2286 mSDsluCounter, 5460 SdHoareTripleChecker+Invalid, 11.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3693 mSDsCounter, 1758 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6899 IncrementalHoareTripleChecker+Invalid, 8657 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1758 mSolverCounterUnsat, 2285 mSDtfsCounter, 6899 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9564 GetRequests, 9387 SyntacticMatches, 9 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10741 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1004 NumberOfCodeBlocks, 1004 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 981 ConstructedInterpolants, 0 QuantifiedInterpolants, 1844 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 19 PerfectInterpolantSequences, 277/287 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 944]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || !(1 == systemActive) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 603.01ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 52.4MB in the end (delta: -7.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.20ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 49.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.36ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 956.81ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 48.2MB in the beginning and 90.5MB in the end (delta: -42.3MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * CodeCheck took 11237.64ms. Allocated memory was 117.4MB in the beginning and 161.5MB in the end (delta: 44.0MB). Free memory was 90.5MB in the beginning and 45.4MB in the end (delta: 45.1MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. * Witness Printer took 158.92ms. Allocated memory is still 161.5MB. Free memory was 45.4MB in the beginning and 129.1MB in the end (delta: -83.7MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:32:38,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_139195c6-4040-422c-a06f-f69cb30e0bb8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE