./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.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_e457750a-75d9-41e5-a31b-20e927deb4d0/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e457750a-75d9-41e5-a31b-20e927deb4d0/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_e457750a-75d9-41e5-a31b-20e927deb4d0/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e457750a-75d9-41e5-a31b-20e927deb4d0/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e457750a-75d9-41e5-a31b-20e927deb4d0/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_e457750a-75d9-41e5-a31b-20e927deb4d0/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 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:46:41,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:46:41,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:46:41,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:46:41,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:46:41,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:46:41,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:46:41,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:46:41,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:46:41,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:46:41,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:46:41,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:46:41,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:46:41,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:46:41,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:46:41,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:46:41,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:46:41,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:46:41,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:46:41,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:46:41,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:46:41,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:46:41,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:46:41,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:46:41,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:46:41,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:46:41,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:46:41,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:46:41,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:46:41,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:46:41,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:46:41,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:46:41,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:46:41,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:46:41,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:46:41,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:46:41,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:46:41,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:46:41,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:46:41,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:46:41,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:46:41,480 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e457750a-75d9-41e5-a31b-20e927deb4d0/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:46:41,528 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:46:41,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:46:41,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:46:41,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:46:41,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:46:41,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:46:41,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:46:41,532 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:46:41,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:46:41,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:46:41,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:46:41,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:46:41,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:46:41,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:46:41,541 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:46:41,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:46:41,542 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:46:41,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:46:41,542 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:46:41,542 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:46:41,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:46:41,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:46:41,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:46:41,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:46:41,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:46:41,544 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:46:41,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:46:41,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:46:41,545 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_e457750a-75d9-41e5-a31b-20e927deb4d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e457750a-75d9-41e5-a31b-20e927deb4d0/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 [2021-11-23 00:46:41,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:46:41,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:46:41,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:46:41,843 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:46:41,844 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:46:41,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e457750a-75d9-41e5-a31b-20e927deb4d0/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2021-11-23 00:46:41,933 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e457750a-75d9-41e5-a31b-20e927deb4d0/bin/ukojak-LBtLqBUTdQ/data/1198fb560/470743f5e5c343d1a2e47685223bcc87/FLAG3c10aadaf [2021-11-23 00:46:42,503 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:46:42,504 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e457750a-75d9-41e5-a31b-20e927deb4d0/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2021-11-23 00:46:42,516 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e457750a-75d9-41e5-a31b-20e927deb4d0/bin/ukojak-LBtLqBUTdQ/data/1198fb560/470743f5e5c343d1a2e47685223bcc87/FLAG3c10aadaf [2021-11-23 00:46:42,806 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e457750a-75d9-41e5-a31b-20e927deb4d0/bin/ukojak-LBtLqBUTdQ/data/1198fb560/470743f5e5c343d1a2e47685223bcc87 [2021-11-23 00:46:42,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:46:42,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:46:42,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:46:42,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:46:42,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:46:42,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:46:42" (1/1) ... [2021-11-23 00:46:42,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35c67274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:42, skipping insertion in model container [2021-11-23 00:46:42,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:46:42" (1/1) ... [2021-11-23 00:46:42,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:46:42,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:46:43,109 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_e457750a-75d9-41e5-a31b-20e927deb4d0/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c[7173,7186] [2021-11-23 00:46:43,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:46:43,188 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:46:43,244 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_e457750a-75d9-41e5-a31b-20e927deb4d0/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c[7173,7186] [2021-11-23 00:46:43,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:46:43,339 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:46:43,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:43 WrapperNode [2021-11-23 00:46:43,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:46:43,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:46:43,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:46:43,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:46:43,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:43" (1/1) ... [2021-11-23 00:46:43,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:43" (1/1) ... [2021-11-23 00:46:43,409 INFO L137 Inliner]: procedures = 50, calls = 145, calls flagged for inlining = 17, calls inlined = 14, statements flattened = 183 [2021-11-23 00:46:43,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:46:43,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:46:43,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:46:43,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:46:43,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:43" (1/1) ... [2021-11-23 00:46:43,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:43" (1/1) ... [2021-11-23 00:46:43,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:43" (1/1) ... [2021-11-23 00:46:43,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:43" (1/1) ... [2021-11-23 00:46:43,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:43" (1/1) ... [2021-11-23 00:46:43,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:43" (1/1) ... [2021-11-23 00:46:43,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:43" (1/1) ... [2021-11-23 00:46:43,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:46:43,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:46:43,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:46:43,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:46:43,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:43" (1/1) ... [2021-11-23 00:46:43,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:46:43,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e457750a-75d9-41e5-a31b-20e927deb4d0/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:46:43,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e457750a-75d9-41e5-a31b-20e927deb4d0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:46:43,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e457750a-75d9-41e5-a31b-20e927deb4d0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:46:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:46:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 00:46:43,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 00:46:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:46:43,534 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:46:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:46:43,535 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:46:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:46:43,535 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:46:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:46:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:46:43,535 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:46:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:46:43,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:46:43,618 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:46:43,619 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:46:43,888 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:46:43,992 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:46:43,993 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:46:43,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:46:43 BoogieIcfgContainer [2021-11-23 00:46:43,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:46:43,996 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:46:43,996 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:46:44,015 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:46:44,015 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:46:43" (1/1) ... [2021-11-23 00:46:44,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:46:44,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:44,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2021-11-23 00:46:44,105 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2021-11-23 00:46:44,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:46:44,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:44,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:44,393 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 00:46:44,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:44,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2021-11-23 00:46:44,456 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2021-11-23 00:46:44,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:46:44,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:44,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:44,565 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 00:46:44,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:44,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2021-11-23 00:46:44,619 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2021-11-23 00:46:44,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:46:44,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:44,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:44,730 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 00:46:44,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:44,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 52 states and 70 transitions. [2021-11-23 00:46:44,880 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2021-11-23 00:46:44,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:46:44,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:44,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:44,975 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 00:46:44,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:45,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 53 states and 71 transitions. [2021-11-23 00:46:45,001 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2021-11-23 00:46:45,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:46:45,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:45,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:45,146 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 00:46:45,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:45,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 66 states and 95 transitions. [2021-11-23 00:46:45,729 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2021-11-23 00:46:45,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:46:45,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:45,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:45,811 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 00:46:45,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:45,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 67 states and 96 transitions. [2021-11-23 00:46:45,837 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 96 transitions. [2021-11-23 00:46:45,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:46:45,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:45,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:45,899 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:46:46,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:46,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 72 states and 107 transitions. [2021-11-23 00:46:46,022 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 107 transitions. [2021-11-23 00:46:46,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:46:46,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:46,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:46,051 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:46:46,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:46,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 73 states and 108 transitions. [2021-11-23 00:46:46,067 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2021-11-23 00:46:46,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:46:46,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:46,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:46,240 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:46:46,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:46,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 76 states and 114 transitions. [2021-11-23 00:46:46,726 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 114 transitions. [2021-11-23 00:46:46,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:46:46,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:46,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:46,772 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:46:46,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:46,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 79 states and 120 transitions. [2021-11-23 00:46:46,942 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 120 transitions. [2021-11-23 00:46:46,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:46:46,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:46,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:47,019 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:46:47,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:47,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 81 states and 122 transitions. [2021-11-23 00:46:47,047 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 122 transitions. [2021-11-23 00:46:47,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:46:47,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:47,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:47,110 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:46:47,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:47,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 84 states and 127 transitions. [2021-11-23 00:46:47,190 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 127 transitions. [2021-11-23 00:46:47,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:46:47,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:47,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:47,240 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:46:47,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:47,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 85 states and 128 transitions. [2021-11-23 00:46:47,269 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 128 transitions. [2021-11-23 00:46:47,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:46:47,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:47,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:47,305 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:46:47,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:47,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 88 states and 133 transitions. [2021-11-23 00:46:47,320 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 133 transitions. [2021-11-23 00:46:47,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:46:47,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:47,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:47,355 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:46:47,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:47,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 89 states and 134 transitions. [2021-11-23 00:46:47,375 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 134 transitions. [2021-11-23 00:46:47,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:46:47,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:47,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:47,410 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:46:47,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:47,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 41 states and 50 transitions. [2021-11-23 00:46:47,425 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2021-11-23 00:46:47,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:46:47,425 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2021-11-23 00:46:47,434 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:46:47,521 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:47,525 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:47,525 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:47,526 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:47,526 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:47,526 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:47,526 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:47,526 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2021-11-23 00:46:47,531 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:47,532 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:47,532 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:47,532 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 00:46:47,533 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:46:47,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:46:47 ImpRootNode [2021-11-23 00:46:47,534 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:46:47,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:46:47,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:46:47,535 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:46:47,536 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:46:43" (3/4) ... [2021-11-23 00:46:47,539 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:46:47,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 00:46:47,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 00:46:47,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 00:46:47,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 00:46:47,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 00:46:47,557 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 67 nodes and edges [2021-11-23 00:46:47,558 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-23 00:46:47,559 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-23 00:46:47,559 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 00:46:47,560 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:46:47,561 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:46:47,561 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:46:47,652 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e457750a-75d9-41e5-a31b-20e927deb4d0/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:46:47,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:46:47,653 INFO L158 Benchmark]: Toolchain (without parser) took 4842.92ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 64.2MB in the beginning and 82.4MB in the end (delta: -18.1MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2021-11-23 00:46:47,654 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:46:47,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.47ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 64.0MB in the beginning and 86.8MB in the end (delta: -22.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:46:47,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.62ms. Allocated memory is still 119.5MB. Free memory was 86.2MB in the beginning and 84.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:46:47,656 INFO L158 Benchmark]: Boogie Preprocessor took 28.97ms. Allocated memory is still 119.5MB. Free memory was 84.2MB in the beginning and 83.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:46:47,657 INFO L158 Benchmark]: RCFGBuilder took 555.78ms. Allocated memory is still 119.5MB. Free memory was 83.0MB in the beginning and 65.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 00:46:47,657 INFO L158 Benchmark]: CodeCheck took 3537.71ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 65.3MB in the beginning and 87.6MB in the end (delta: -22.3MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2021-11-23 00:46:47,658 INFO L158 Benchmark]: Witness Printer took 117.60ms. Allocated memory is still 144.7MB. Free memory was 87.6MB in the beginning and 82.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:46:47,660 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 6 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 17, 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, 2085 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 851 mSDsluCounter, 2085 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1497 mSDsCounter, 738 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2249 IncrementalHoareTripleChecker+Invalid, 2987 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 738 mSolverCounterUnsat, 800 mSDtfsCounter, 2249 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4255 GetRequests, 4183 SyntacticMatches, 6 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1207 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 504 NumberOfCodeBlocks, 504 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 488 ConstructedInterpolants, 0 QuantifiedInterpolants, 963 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 15 PerfectInterpolantSequences, 176/177 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: 491]: 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: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: pumpRunning == 0 && methaneLevelCritical == 0 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 528.47ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 64.0MB in the beginning and 86.8MB in the end (delta: -22.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.62ms. Allocated memory is still 119.5MB. Free memory was 86.2MB in the beginning and 84.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.97ms. Allocated memory is still 119.5MB. Free memory was 84.2MB in the beginning and 83.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 555.78ms. Allocated memory is still 119.5MB. Free memory was 83.0MB in the beginning and 65.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3537.71ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 65.3MB in the beginning and 87.6MB in the end (delta: -22.3MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Witness Printer took 117.60ms. Allocated memory is still 144.7MB. Free memory was 87.6MB in the beginning and 82.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:46:47,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e457750a-75d9-41e5-a31b-20e927deb4d0/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