./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_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_0d851289-eeed-496d-b3d3-02fdb482d91c/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d851289-eeed-496d-b3d3-02fdb482d91c/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_0d851289-eeed-496d-b3d3-02fdb482d91c/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d851289-eeed-496d-b3d3-02fdb482d91c/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d851289-eeed-496d-b3d3-02fdb482d91c/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_0d851289-eeed-496d-b3d3-02fdb482d91c/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 a52f3030559d2895f2e87e8df462d73474ae0a795c3864102f9df18ea4363ab3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:27:03,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:27:03,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:27:03,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:27:03,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:27:03,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:27:03,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:27:03,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:27:03,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:27:03,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:27:03,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:27:03,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:27:03,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:27:03,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:27:03,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:27:03,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:27:03,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:27:03,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:27:03,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:27:03,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:27:03,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:27:03,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:27:03,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:27:03,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:27:03,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:27:03,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:27:03,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:27:03,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:27:03,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:27:03,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:27:03,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:27:03,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:27:03,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:27:03,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:27:03,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:27:03,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:27:03,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:27:03,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:27:03,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:27:03,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:27:03,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:27:03,828 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d851289-eeed-496d-b3d3-02fdb482d91c/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:27:03,858 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:27:03,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:27:03,860 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:27:03,860 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:27:03,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:27:03,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:27:03,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:27:03,862 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:27:03,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:27:03,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:27:03,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:27:03,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:27:03,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:27:03,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:27:03,865 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:27:03,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:27:03,870 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:27:03,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:27:03,871 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:27:03,871 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:27:03,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:27:03,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:27:03,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:27:03,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:27:03,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:27:03,873 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:27:03,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:27:03,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:27:03,874 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_0d851289-eeed-496d-b3d3-02fdb482d91c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d851289-eeed-496d-b3d3-02fdb482d91c/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a52f3030559d2895f2e87e8df462d73474ae0a795c3864102f9df18ea4363ab3 [2021-11-23 01:27:04,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:27:04,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:27:04,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:27:04,279 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:27:04,281 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:27:04,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d851289-eeed-496d-b3d3-02fdb482d91c/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2021-11-23 01:27:04,414 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d851289-eeed-496d-b3d3-02fdb482d91c/bin/ukojak-LBtLqBUTdQ/data/580c31611/6519348bd4a34ec59859a76d8b2c56a0/FLAGd497033d0 [2021-11-23 01:27:05,145 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:27:05,146 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d851289-eeed-496d-b3d3-02fdb482d91c/sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2021-11-23 01:27:05,162 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d851289-eeed-496d-b3d3-02fdb482d91c/bin/ukojak-LBtLqBUTdQ/data/580c31611/6519348bd4a34ec59859a76d8b2c56a0/FLAGd497033d0 [2021-11-23 01:27:05,410 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d851289-eeed-496d-b3d3-02fdb482d91c/bin/ukojak-LBtLqBUTdQ/data/580c31611/6519348bd4a34ec59859a76d8b2c56a0 [2021-11-23 01:27:05,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:27:05,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:27:05,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:27:05,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:27:05,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:27:05,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:27:05" (1/1) ... [2021-11-23 01:27:05,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5548d069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:05, skipping insertion in model container [2021-11-23 01:27:05,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:27:05" (1/1) ... [2021-11-23 01:27:05,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:27:05,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:27:05,801 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_0d851289-eeed-496d-b3d3-02fdb482d91c/sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c[5259,5272] [2021-11-23 01:27:05,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:27:05,914 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:27:05,953 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_0d851289-eeed-496d-b3d3-02fdb482d91c/sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c[5259,5272] [2021-11-23 01:27:06,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:27:06,041 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:27:06,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:06 WrapperNode [2021-11-23 01:27:06,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:27:06,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:27:06,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:27:06,045 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:27:06,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:06" (1/1) ... [2021-11-23 01:27:06,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:06" (1/1) ... [2021-11-23 01:27:06,121 INFO L137 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 230 [2021-11-23 01:27:06,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:27:06,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:27:06,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:27:06,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:27:06,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:06" (1/1) ... [2021-11-23 01:27:06,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:06" (1/1) ... [2021-11-23 01:27:06,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:06" (1/1) ... [2021-11-23 01:27:06,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:06" (1/1) ... [2021-11-23 01:27:06,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:06" (1/1) ... [2021-11-23 01:27:06,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:06" (1/1) ... [2021-11-23 01:27:06,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:06" (1/1) ... [2021-11-23 01:27:06,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:27:06,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:27:06,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:27:06,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:27:06,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:06" (1/1) ... [2021-11-23 01:27:06,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:27:06,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d851289-eeed-496d-b3d3-02fdb482d91c/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:27:06,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d851289-eeed-496d-b3d3-02fdb482d91c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:27:06,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d851289-eeed-496d-b3d3-02fdb482d91c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:27:06,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:27:06,288 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 01:27:06,289 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 01:27:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 01:27:06,289 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 01:27:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 01:27:06,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 01:27:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 01:27:06,290 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 01:27:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 01:27:06,291 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 01:27:06,291 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 01:27:06,291 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 01:27:06,291 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-23 01:27:06,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-23 01:27:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 01:27:06,292 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 01:27:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:27:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 01:27:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 01:27:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:27:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:27:06,391 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:27:06,394 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:27:06,881 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:27:06,985 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:27:06,985 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:27:06,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:06 BoogieIcfgContainer [2021-11-23 01:27:06,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:27:06,990 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:27:06,990 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:27:07,004 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:27:07,004 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:06" (1/1) ... [2021-11-23 01:27:07,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:27:07,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:07,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 66 states and 86 transitions. [2021-11-23 01:27:07,093 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 86 transitions. [2021-11-23 01:27:07,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:27:07,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:07,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:07,445 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 01:27:07,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:07,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 66 states and 84 transitions. [2021-11-23 01:27:07,519 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2021-11-23 01:27:07,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:27:07,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:07,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:07,687 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 01:27:07,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:07,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 68 states and 87 transitions. [2021-11-23 01:27:07,731 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2021-11-23 01:27:07,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:27:07,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:07,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:07,900 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 01:27:08,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:08,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2021-11-23 01:27:08,116 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2021-11-23 01:27:08,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:08,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:08,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:08,232 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 01:27:08,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:08,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 78 states and 106 transitions. [2021-11-23 01:27:08,267 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2021-11-23 01:27:08,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:08,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:08,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:08,364 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 01:27:08,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:08,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2021-11-23 01:27:08,394 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2021-11-23 01:27:08,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:27:08,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:08,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:08,510 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 01:27:08,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:08,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 97 states and 144 transitions. [2021-11-23 01:27:08,804 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 144 transitions. [2021-11-23 01:27:08,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:27:08,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:08,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:08,895 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 01:27:08,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:08,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 98 states and 145 transitions. [2021-11-23 01:27:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 145 transitions. [2021-11-23 01:27:08,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:27:08,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:08,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:08,986 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 01:27:09,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:09,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 99 states and 146 transitions. [2021-11-23 01:27:09,009 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 146 transitions. [2021-11-23 01:27:09,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:27:09,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:09,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:09,114 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 01:27:09,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:09,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 109 states and 169 transitions. [2021-11-23 01:27:09,595 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 169 transitions. [2021-11-23 01:27:09,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:27:09,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:09,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:09,680 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 01:27:09,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:09,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 110 states and 170 transitions. [2021-11-23 01:27:09,711 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 170 transitions. [2021-11-23 01:27:09,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:27:09,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:09,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:09,765 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 01:27:09,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:09,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 111 states and 171 transitions. [2021-11-23 01:27:09,792 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 171 transitions. [2021-11-23 01:27:09,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:27:09,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:09,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:09,847 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 01:27:09,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:09,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 116 states and 180 transitions. [2021-11-23 01:27:09,944 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 180 transitions. [2021-11-23 01:27:09,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:27:09,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:09,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:10,002 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 01:27:10,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:10,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 117 states and 181 transitions. [2021-11-23 01:27:10,025 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 181 transitions. [2021-11-23 01:27:10,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:27:10,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:10,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:10,104 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 01:27:10,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:10,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 118 states and 182 transitions. [2021-11-23 01:27:10,125 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 182 transitions. [2021-11-23 01:27:10,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:27:10,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:10,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:10,194 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:27:10,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:10,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 120 states and 190 transitions. [2021-11-23 01:27:10,276 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 190 transitions. [2021-11-23 01:27:10,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:27:10,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:10,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:10,614 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:27:12,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:12,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 127 states and 205 transitions. [2021-11-23 01:27:12,311 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 205 transitions. [2021-11-23 01:27:12,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:27:12,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:12,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:12,425 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 01:27:13,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:13,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 138 states and 244 transitions. [2021-11-23 01:27:13,854 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 244 transitions. [2021-11-23 01:27:13,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 01:27:13,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:13,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:14,064 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:27:14,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:14,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 142 states and 254 transitions. [2021-11-23 01:27:14,913 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 254 transitions. [2021-11-23 01:27:14,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:27:14,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:14,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:14,959 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:16,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:16,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 149 states and 276 transitions. [2021-11-23 01:27:16,045 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 276 transitions. [2021-11-23 01:27:16,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 01:27:16,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:16,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:16,106 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 01:27:16,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:16,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 150 states and 277 transitions. [2021-11-23 01:27:16,449 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 277 transitions. [2021-11-23 01:27:16,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:27:16,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:16,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:16,489 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 01:27:16,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:16,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 152 states and 287 transitions. [2021-11-23 01:27:16,566 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 287 transitions. [2021-11-23 01:27:16,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:27:16,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:16,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:16,613 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:27:16,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:16,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 150 states and 275 transitions. [2021-11-23 01:27:16,639 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 275 transitions. [2021-11-23 01:27:16,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:27:16,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:16,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:16,712 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:27:17,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:17,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 63 states and 78 transitions. [2021-11-23 01:27:17,088 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2021-11-23 01:27:17,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:27:17,089 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2021-11-23 01:27:17,101 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:27:17,509 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2021-11-23 01:27:17,522 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:27:17,522 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:27:17,523 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2021-11-23 01:27:17,528 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:27:17,528 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:27:17,528 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 01:27:17,529 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-23 01:27:17,531 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:27:17,531 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:27:17,532 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:27:17,532 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:27:17,532 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:27:17,533 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2021-11-23 01:27:17,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:27:17 ImpRootNode [2021-11-23 01:27:17,536 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:27:17,537 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:27:17,537 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:27:17,537 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:27:17,538 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:06" (3/4) ... [2021-11-23 01:27:17,542 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:27:17,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-23 01:27:17,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 01:27:17,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 01:27:17,552 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 01:27:17,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 01:27:17,559 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 01:27:17,559 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 01:27:17,560 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-11-23 01:27:17,560 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-11-23 01:27:17,584 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 72 nodes and edges [2021-11-23 01:27:17,585 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-23 01:27:17,587 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 01:27:17,588 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 01:27:17,591 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 01:27:17,592 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:27:17,593 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:27:17,641 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || !(1 == systemActive)) || !(methAndRunningLastTime == 0) [2021-11-23 01:27:17,645 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2021-11-23 01:27:17,739 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d851289-eeed-496d-b3d3-02fdb482d91c/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:27:17,740 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:27:17,741 INFO L158 Benchmark]: Toolchain (without parser) took 12325.20ms. Allocated memory was 107.0MB in the beginning and 163.6MB in the end (delta: 56.6MB). Free memory was 69.5MB in the beginning and 89.0MB in the end (delta: -19.5MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2021-11-23 01:27:17,742 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 107.0MB. Free memory was 80.2MB in the beginning and 80.2MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:27:17,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 625.24ms. Allocated memory is still 107.0MB. Free memory was 69.5MB in the beginning and 72.2MB in the end (delta: -2.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:27:17,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.52ms. Allocated memory is still 107.0MB. Free memory was 72.2MB in the beginning and 69.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:27:17,743 INFO L158 Benchmark]: Boogie Preprocessor took 40.16ms. Allocated memory is still 107.0MB. Free memory was 69.5MB in the beginning and 68.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:27:17,744 INFO L158 Benchmark]: RCFGBuilder took 825.40ms. Allocated memory is still 107.0MB. Free memory was 68.4MB in the beginning and 47.0MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 01:27:17,744 INFO L158 Benchmark]: CodeCheck took 10545.80ms. Allocated memory was 107.0MB in the beginning and 163.6MB in the end (delta: 56.6MB). Free memory was 47.0MB in the beginning and 95.3MB in the end (delta: -48.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:27:17,745 INFO L158 Benchmark]: Witness Printer took 203.14ms. Allocated memory is still 163.6MB. Free memory was 95.3MB in the beginning and 89.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:27:17,748 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, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.1s, 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, 5227 SdHoareTripleChecker+Valid, 10.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1927 mSDsluCounter, 4969 SdHoareTripleChecker+Invalid, 8.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3227 mSDsCounter, 1087 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4808 IncrementalHoareTripleChecker+Invalid, 5895 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1087 mSolverCounterUnsat, 2260 mSDtfsCounter, 4808 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8784 GetRequests, 8638 SyntacticMatches, 14 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7673 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1004 NumberOfCodeBlocks, 1004 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 981 ConstructedInterpolants, 0 QuantifiedInterpolants, 1910 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 17 PerfectInterpolantSequences, 235/255 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: 327]: 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: 419]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || !(1 == systemActive)) || !(methAndRunningLastTime == 0) - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: (methAndRunningLastTime == 0 || 1 <= methaneLevelCritical) || methaneLevelCritical + 1 <= 0 - 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 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: ((tmp <= 0 || tmp <= methaneLevelCritical) && (methaneLevelCritical <= tmp || 0 < tmp + 1)) || !(methAndRunningLastTime == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 107.0MB. Free memory was 80.2MB in the beginning and 80.2MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 625.24ms. Allocated memory is still 107.0MB. Free memory was 69.5MB in the beginning and 72.2MB in the end (delta: -2.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.52ms. Allocated memory is still 107.0MB. Free memory was 72.2MB in the beginning and 69.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.16ms. Allocated memory is still 107.0MB. Free memory was 69.5MB in the beginning and 68.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 825.40ms. Allocated memory is still 107.0MB. Free memory was 68.4MB in the beginning and 47.0MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 10545.80ms. Allocated memory was 107.0MB in the beginning and 163.6MB in the end (delta: 56.6MB). Free memory was 47.0MB in the beginning and 95.3MB in the end (delta: -48.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 203.14ms. Allocated memory is still 163.6MB. Free memory was 95.3MB in the beginning and 89.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:27:17,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d851289-eeed-496d-b3d3-02fdb482d91c/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