./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.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_c9e2840a-cb4a-4ea2-9788-33c29d7f2bfa/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e2840a-cb4a-4ea2-9788-33c29d7f2bfa/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_c9e2840a-cb4a-4ea2-9788-33c29d7f2bfa/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e2840a-cb4a-4ea2-9788-33c29d7f2bfa/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e2840a-cb4a-4ea2-9788-33c29d7f2bfa/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_c9e2840a-cb4a-4ea2-9788-33c29d7f2bfa/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 0f0278c2773470a06f8089ff3a19b4fc8f9f02250351c943b77ab9e7410bf690 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:18:20,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:18:20,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:18:20,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:18:20,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:18:21,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:18:21,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:18:21,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:18:21,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:18:21,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:18:21,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:18:21,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:18:21,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:18:21,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:18:21,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:18:21,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:18:21,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:18:21,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:18:21,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:18:21,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:18:21,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:18:21,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:18:21,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:18:21,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:18:21,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:18:21,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:18:21,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:18:21,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:18:21,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:18:21,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:18:21,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:18:21,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:18:21,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:18:21,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:18:21,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:18:21,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:18:21,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:18:21,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:18:21,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:18:21,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:18:21,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:18:21,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e2840a-cb4a-4ea2-9788-33c29d7f2bfa/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:18:21,127 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:18:21,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:18:21,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:18:21,129 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:18:21,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:18:21,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:18:21,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:18:21,130 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:18:21,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:18:21,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:18:21,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:18:21,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:18:21,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:18:21,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:18:21,137 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:18:21,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:18:21,138 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:18:21,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:18:21,138 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:18:21,138 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:18:21,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:18:21,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:18:21,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:18:21,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:18:21,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:18:21,139 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:18:21,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:18:21,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:18:21,140 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_c9e2840a-cb4a-4ea2-9788-33c29d7f2bfa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e2840a-cb4a-4ea2-9788-33c29d7f2bfa/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f0278c2773470a06f8089ff3a19b4fc8f9f02250351c943b77ab9e7410bf690 [2021-11-23 01:18:21,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:18:21,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:18:21,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:18:21,418 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:18:21,419 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:18:21,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e2840a-cb4a-4ea2-9788-33c29d7f2bfa/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2021-11-23 01:18:21,508 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e2840a-cb4a-4ea2-9788-33c29d7f2bfa/bin/ukojak-LBtLqBUTdQ/data/3399d2eb5/10ec6c6f6ae64c5bb811ed2c49e801a1/FLAG5abefb827 [2021-11-23 01:18:22,054 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:18:22,054 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e2840a-cb4a-4ea2-9788-33c29d7f2bfa/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2021-11-23 01:18:22,067 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e2840a-cb4a-4ea2-9788-33c29d7f2bfa/bin/ukojak-LBtLqBUTdQ/data/3399d2eb5/10ec6c6f6ae64c5bb811ed2c49e801a1/FLAG5abefb827 [2021-11-23 01:18:22,373 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e2840a-cb4a-4ea2-9788-33c29d7f2bfa/bin/ukojak-LBtLqBUTdQ/data/3399d2eb5/10ec6c6f6ae64c5bb811ed2c49e801a1 [2021-11-23 01:18:22,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:18:22,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:18:22,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:18:22,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:18:22,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:18:22,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:18:22" (1/1) ... [2021-11-23 01:18:22,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f1c785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:22, skipping insertion in model container [2021-11-23 01:18:22,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:18:22" (1/1) ... [2021-11-23 01:18:22,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:18:22,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:18:22,696 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_c9e2840a-cb4a-4ea2-9788-33c29d7f2bfa/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c[12494,12507] [2021-11-23 01:18:22,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:18:22,738 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:18:22,793 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_c9e2840a-cb4a-4ea2-9788-33c29d7f2bfa/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c[12494,12507] [2021-11-23 01:18:22,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:18:22,829 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:18:22,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:22 WrapperNode [2021-11-23 01:18:22,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:18:22,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:18:22,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:18:22,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:18:22,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:22" (1/1) ... [2021-11-23 01:18:22,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:22" (1/1) ... [2021-11-23 01:18:22,913 INFO L137 Inliner]: procedures = 51, calls = 150, calls flagged for inlining = 18, calls inlined = 14, statements flattened = 192 [2021-11-23 01:18:22,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:18:22,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:18:22,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:18:22,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:18:22,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:22" (1/1) ... [2021-11-23 01:18:22,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:22" (1/1) ... [2021-11-23 01:18:22,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:22" (1/1) ... [2021-11-23 01:18:22,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:22" (1/1) ... [2021-11-23 01:18:22,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:22" (1/1) ... [2021-11-23 01:18:22,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:22" (1/1) ... [2021-11-23 01:18:22,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:22" (1/1) ... [2021-11-23 01:18:22,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:18:22,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:18:22,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:18:22,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:18:22,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:22" (1/1) ... [2021-11-23 01:18:22,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:18:22,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e2840a-cb4a-4ea2-9788-33c29d7f2bfa/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:18:23,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e2840a-cb4a-4ea2-9788-33c29d7f2bfa/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:18:23,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e2840a-cb4a-4ea2-9788-33c29d7f2bfa/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:18:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:18:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 01:18:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 01:18:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 01:18:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 01:18:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 01:18:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 01:18:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 01:18:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 01:18:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 01:18:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 01:18:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-23 01:18:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-23 01:18:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:18:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 01:18:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 01:18:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:18:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:18:23,189 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:18:23,190 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:18:23,511 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:18:23,569 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:18:23,569 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:18:23,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:18:23 BoogieIcfgContainer [2021-11-23 01:18:23,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:18:23,573 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:18:23,573 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:18:23,583 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:18:23,583 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:18:23" (1/1) ... [2021-11-23 01:18:23,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:18:23,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:23,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2021-11-23 01:18:23,652 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2021-11-23 01:18:23,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:18:23,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:23,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:23,865 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 01:18:23,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:23,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 54 states and 67 transitions. [2021-11-23 01:18:23,900 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2021-11-23 01:18:23,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:18:23,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:23,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:23,971 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 01:18:24,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:24,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 56 states and 70 transitions. [2021-11-23 01:18:24,003 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2021-11-23 01:18:24,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:18:24,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:24,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:24,144 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 01:18:24,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:24,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2021-11-23 01:18:24,295 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2021-11-23 01:18:24,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:18:24,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:24,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:24,393 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 01:18:24,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:24,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2021-11-23 01:18:24,418 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2021-11-23 01:18:24,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:18:24,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:24,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:24,488 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 01:18:24,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 67 states and 89 transitions. [2021-11-23 01:18:24,513 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2021-11-23 01:18:24,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:18:24,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:24,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:24,602 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 01:18:25,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:25,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 83 states and 119 transitions. [2021-11-23 01:18:25,011 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 119 transitions. [2021-11-23 01:18:25,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:18:25,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:25,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:25,112 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 01:18:25,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:25,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 84 states and 120 transitions. [2021-11-23 01:18:25,126 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2021-11-23 01:18:25,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:18:25,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:25,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:25,224 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 01:18:26,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:26,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 101 states and 151 transitions. [2021-11-23 01:18:26,174 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 151 transitions. [2021-11-23 01:18:26,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:18:26,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:26,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:26,229 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 01:18:26,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:26,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 102 states and 152 transitions. [2021-11-23 01:18:26,250 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 152 transitions. [2021-11-23 01:18:26,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:18:26,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:26,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:26,320 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 01:18:26,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:26,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 107 states and 161 transitions. [2021-11-23 01:18:26,468 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 161 transitions. [2021-11-23 01:18:26,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:18:26,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:26,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:26,524 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 01:18:26,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:26,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 112 states and 170 transitions. [2021-11-23 01:18:26,614 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 170 transitions. [2021-11-23 01:18:26,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:18:26,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:26,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:26,676 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 01:18:26,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:26,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 113 states and 171 transitions. [2021-11-23 01:18:26,694 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 171 transitions. [2021-11-23 01:18:26,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:18:26,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:26,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:26,950 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 01:18:27,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:27,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 116 states and 178 transitions. [2021-11-23 01:18:27,724 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 178 transitions. [2021-11-23 01:18:27,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:18:27,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:27,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:27,752 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 01:18:27,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:27,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 119 states and 184 transitions. [2021-11-23 01:18:27,939 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 184 transitions. [2021-11-23 01:18:27,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:18:27,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:27,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:28,047 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:18:28,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:28,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 126 states and 200 transitions. [2021-11-23 01:18:28,962 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 200 transitions. [2021-11-23 01:18:28,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 01:18:28,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:28,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:29,023 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:18:30,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:30,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 139 states and 225 transitions. [2021-11-23 01:18:30,199 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 225 transitions. [2021-11-23 01:18:30,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 01:18:30,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:30,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:30,233 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:18:30,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:30,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 140 states and 226 transitions. [2021-11-23 01:18:30,253 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 226 transitions. [2021-11-23 01:18:30,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:18:30,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:30,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:30,283 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-23 01:18:30,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:30,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 143 states and 231 transitions. [2021-11-23 01:18:30,301 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 231 transitions. [2021-11-23 01:18:30,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:18:30,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:30,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:30,332 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 01:18:30,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:30,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 144 states and 232 transitions. [2021-11-23 01:18:30,359 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 232 transitions. [2021-11-23 01:18:30,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:18:30,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:30,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:30,390 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-23 01:18:30,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:30,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 51 states and 61 transitions. [2021-11-23 01:18:30,409 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2021-11-23 01:18:30,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:18:30,409 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2021-11-23 01:18:30,418 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:18:30,608 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:18:30,612 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:18:30,613 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-23 01:18:30,617 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:18:30,617 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 01:18:30,617 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:18:30,618 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-23 01:18:30,618 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:18:30,619 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:18:30,619 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:18:30,619 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:18:30,619 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:18:30,619 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:18:30,619 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:18:30,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:18:30 ImpRootNode [2021-11-23 01:18:30,620 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:18:30,620 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:18:30,620 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:18:30,621 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:18:30,621 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:18:23" (3/4) ... [2021-11-23 01:18:30,624 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:18:30,630 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 01:18:30,630 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 01:18:30,630 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 01:18:30,630 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 01:18:30,631 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 01:18:30,631 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-11-23 01:18:30,631 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-11-23 01:18:30,638 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges [2021-11-23 01:18:30,639 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2021-11-23 01:18:30,639 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 01:18:30,640 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 01:18:30,640 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 01:18:30,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:18:30,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:18:30,666 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2021-11-23 01:18:30,711 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e2840a-cb4a-4ea2-9788-33c29d7f2bfa/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:18:30,711 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:18:30,712 INFO L158 Benchmark]: Toolchain (without parser) took 8333.95ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 123.2MB in the beginning and 82.0MB in the end (delta: 41.2MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2021-11-23 01:18:30,712 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory was 50.5MB in the beginning and 50.4MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:18:30,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.58ms. Allocated memory is still 155.2MB. Free memory was 123.2MB in the beginning and 123.1MB in the end (delta: 124.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:18:30,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.20ms. Allocated memory is still 155.2MB. Free memory was 123.1MB in the beginning and 120.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:18:30,713 INFO L158 Benchmark]: Boogie Preprocessor took 55.33ms. Allocated memory is still 155.2MB. Free memory was 120.7MB in the beginning and 119.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:18:30,714 INFO L158 Benchmark]: RCFGBuilder took 600.20ms. Allocated memory is still 155.2MB. Free memory was 119.4MB in the beginning and 101.3MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 01:18:30,714 INFO L158 Benchmark]: CodeCheck took 7046.97ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 101.3MB in the beginning and 87.2MB in the end (delta: 14.1MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2021-11-23 01:18:30,714 INFO L158 Benchmark]: Witness Printer took 90.68ms. Allocated memory is still 197.1MB. Free memory was 87.2MB in the beginning and 82.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:18:30,717 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 8 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.8s, OverallIterations: 21, 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, 4086 SdHoareTripleChecker+Valid, 7.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1670 mSDsluCounter, 3716 SdHoareTripleChecker+Invalid, 6.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2683 mSDsCounter, 1240 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4608 IncrementalHoareTripleChecker+Invalid, 5848 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1240 mSolverCounterUnsat, 1479 mSDtfsCounter, 4608 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6987 GetRequests, 6841 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8019 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 794 NumberOfCodeBlocks, 794 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 774 ConstructedInterpolants, 0 QuantifiedInterpolants, 1430 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 16 PerfectInterpolantSequences, 245/255 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: 506]: 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: 551]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(tmp == 0) - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && tmp == systemActive) && methaneLevelCritical == 0) && tmp == 1 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory was 50.5MB in the beginning and 50.4MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.58ms. Allocated memory is still 155.2MB. Free memory was 123.2MB in the beginning and 123.1MB in the end (delta: 124.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.20ms. Allocated memory is still 155.2MB. Free memory was 123.1MB in the beginning and 120.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.33ms. Allocated memory is still 155.2MB. Free memory was 120.7MB in the beginning and 119.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 600.20ms. Allocated memory is still 155.2MB. Free memory was 119.4MB in the beginning and 101.3MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 7046.97ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 101.3MB in the beginning and 87.2MB in the end (delta: 14.1MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. * Witness Printer took 90.68ms. Allocated memory is still 197.1MB. Free memory was 87.2MB in the beginning and 82.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:18:30,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9e2840a-cb4a-4ea2-9788-33c29d7f2bfa/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