./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product12.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_81624de4-9a0b-4121-a581-aa852b74890e/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81624de4-9a0b-4121-a581-aa852b74890e/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_81624de4-9a0b-4121-a581-aa852b74890e/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81624de4-9a0b-4121-a581-aa852b74890e/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81624de4-9a0b-4121-a581-aa852b74890e/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_81624de4-9a0b-4121-a581-aa852b74890e/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 94c250c59ca6a4ad79cab3b64e0d4d94a65a3d8e8b11f1d4a1323613891ef929 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:50:50,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:50:50,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:50:50,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:50:50,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:50:50,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:50:50,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:50:50,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:50:50,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:50:50,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:50:50,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:50:50,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:50:50,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:50:50,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:50:50,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:50:50,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:50:50,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:50:50,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:50:50,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:50:50,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:50:50,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:50:50,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:50:50,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:50:50,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:50:50,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:50:50,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:50:50,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:50:50,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:50:50,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:50:50,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:50:50,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:50:50,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:50:50,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:50:50,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:50:50,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:50:50,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:50:50,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:50:50,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:50:50,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:50:50,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:50:50,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:50:50,476 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81624de4-9a0b-4121-a581-aa852b74890e/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:50:50,522 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:50:50,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:50:50,524 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:50:50,524 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:50:50,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:50:50,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:50:50,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:50:50,526 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:50:50,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:50:50,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:50:50,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:50:50,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:50:50,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:50:50,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:50:50,528 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:50:50,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:50:50,529 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:50:50,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:50:50,529 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:50:50,529 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:50:50,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:50:50,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:50:50,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:50:50,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:50:50,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:50:50,531 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:50:50,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:50:50,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:50:50,531 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_81624de4-9a0b-4121-a581-aa852b74890e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81624de4-9a0b-4121-a581-aa852b74890e/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94c250c59ca6a4ad79cab3b64e0d4d94a65a3d8e8b11f1d4a1323613891ef929 [2021-11-23 00:50:50,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:50:50,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:50:50,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:50:50,881 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:50:50,883 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:50:50,884 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81624de4-9a0b-4121-a581-aa852b74890e/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2021-11-23 00:50:50,972 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81624de4-9a0b-4121-a581-aa852b74890e/bin/ukojak-LBtLqBUTdQ/data/8ed2d1771/751f1e2cb2184270aea8a086cd324e00/FLAG11d1da3ba [2021-11-23 00:50:51,544 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:50:51,548 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81624de4-9a0b-4121-a581-aa852b74890e/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c [2021-11-23 00:50:51,569 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81624de4-9a0b-4121-a581-aa852b74890e/bin/ukojak-LBtLqBUTdQ/data/8ed2d1771/751f1e2cb2184270aea8a086cd324e00/FLAG11d1da3ba [2021-11-23 00:50:51,823 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81624de4-9a0b-4121-a581-aa852b74890e/bin/ukojak-LBtLqBUTdQ/data/8ed2d1771/751f1e2cb2184270aea8a086cd324e00 [2021-11-23 00:50:51,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:50:51,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:50:51,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:50:51,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:50:51,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:50:51,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:50:51" (1/1) ... [2021-11-23 00:50:51,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f383b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:51, skipping insertion in model container [2021-11-23 00:50:51,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:50:51" (1/1) ... [2021-11-23 00:50:51,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:50:51,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:50:52,129 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_81624de4-9a0b-4121-a581-aa852b74890e/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c[4542,4555] [2021-11-23 00:50:52,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:50:52,211 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:50:52,238 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_81624de4-9a0b-4121-a581-aa852b74890e/sv-benchmarks/c/product-lines/minepump_spec1_product12.cil.c[4542,4555] [2021-11-23 00:50:52,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:50:52,302 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:50:52,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:52 WrapperNode [2021-11-23 00:50:52,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:50:52,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:50:52,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:50:52,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:50:52,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:52" (1/1) ... [2021-11-23 00:50:52,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:52" (1/1) ... [2021-11-23 00:50:52,385 INFO L137 Inliner]: procedures = 52, calls = 149, calls flagged for inlining = 21, calls inlined = 16, statements flattened = 190 [2021-11-23 00:50:52,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:50:52,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:50:52,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:50:52,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:50:52,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:52" (1/1) ... [2021-11-23 00:50:52,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:52" (1/1) ... [2021-11-23 00:50:52,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:52" (1/1) ... [2021-11-23 00:50:52,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:52" (1/1) ... [2021-11-23 00:50:52,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:52" (1/1) ... [2021-11-23 00:50:52,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:52" (1/1) ... [2021-11-23 00:50:52,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:52" (1/1) ... [2021-11-23 00:50:52,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:50:52,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:50:52,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:50:52,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:50:52,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:52" (1/1) ... [2021-11-23 00:50:52,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:50:52,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81624de4-9a0b-4121-a581-aa852b74890e/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:50:52,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81624de4-9a0b-4121-a581-aa852b74890e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:50:52,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81624de4-9a0b-4121-a581-aa852b74890e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:50:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:50:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 00:50:52,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 00:50:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:50:52,538 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:50:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:50:52,538 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:50:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:50:52,539 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:50:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:50:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:50:52,539 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:50:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:50:52,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:50:52,641 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:50:52,643 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:50:53,010 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:50:53,075 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:50:53,075 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:50:53,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:50:53 BoogieIcfgContainer [2021-11-23 00:50:53,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:50:53,079 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:50:53,079 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:50:53,089 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:50:53,090 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:50:53" (1/1) ... [2021-11-23 00:50:53,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:50:53,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:53,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2021-11-23 00:50:53,185 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2021-11-23 00:50:53,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:50:53,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:53,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:53,435 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 00:50:53,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:53,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2021-11-23 00:50:53,478 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2021-11-23 00:50:53,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:50:53,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:53,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:53,553 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 00:50:53,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:53,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2021-11-23 00:50:53,573 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2021-11-23 00:50:53,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:50:53,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:53,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:53,742 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 00:50:53,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:53,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 52 states and 70 transitions. [2021-11-23 00:50:53,929 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2021-11-23 00:50:53,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:50:53,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:53,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:54,053 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 00:50:54,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:54,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 53 states and 71 transitions. [2021-11-23 00:50:54,078 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2021-11-23 00:50:54,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:50:54,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:54,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:54,193 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 00:50:54,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:54,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 66 states and 96 transitions. [2021-11-23 00:50:54,828 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 96 transitions. [2021-11-23 00:50:54,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:50:54,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:54,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:54,928 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 00:50:54,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:54,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 67 states and 97 transitions. [2021-11-23 00:50:54,950 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 97 transitions. [2021-11-23 00:50:54,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:50:54,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:54,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:55,020 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 00:50:55,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:55,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 108 transitions. [2021-11-23 00:50:55,145 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 108 transitions. [2021-11-23 00:50:55,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:50:55,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:55,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:55,213 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 00:50:55,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:55,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 73 states and 109 transitions. [2021-11-23 00:50:55,237 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 109 transitions. [2021-11-23 00:50:55,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:50:55,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:55,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:55,475 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 00:50:56,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:56,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 76 states and 114 transitions. [2021-11-23 00:50:56,096 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 114 transitions. [2021-11-23 00:50:56,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:50:56,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:56,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:56,125 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 00:50:56,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:56,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 79 states and 121 transitions. [2021-11-23 00:50:56,272 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 121 transitions. [2021-11-23 00:50:56,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:50:56,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:56,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:56,346 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 00:50:56,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:56,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 124 transitions. [2021-11-23 00:50:56,375 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 124 transitions. [2021-11-23 00:50:56,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:50:56,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:56,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:56,484 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:50:56,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:56,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 84 states and 129 transitions. [2021-11-23 00:50:56,709 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 129 transitions. [2021-11-23 00:50:56,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:50:56,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:56,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:56,780 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:50:56,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:56,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 85 states and 130 transitions. [2021-11-23 00:50:56,813 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 130 transitions. [2021-11-23 00:50:56,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:50:56,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:56,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:56,859 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 00:50:56,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:56,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 88 states and 135 transitions. [2021-11-23 00:50:56,878 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 135 transitions. [2021-11-23 00:50:56,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:50:56,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:56,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:56,950 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 00:50:56,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:56,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 89 states and 136 transitions. [2021-11-23 00:50:56,969 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 136 transitions. [2021-11-23 00:50:56,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:50:56,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:56,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:57,001 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 00:50:57,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:57,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 39 states and 48 transitions. [2021-11-23 00:50:57,020 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2021-11-23 00:50:57,021 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:50:57,021 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2021-11-23 00:50:57,029 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:50:57,161 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-23 00:50:57,168 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:57,169 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:57,169 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:57,169 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:57,169 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 00:50:57,170 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-23 00:50:57,171 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:57,171 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:57,171 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:57,171 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:57,171 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2021-11-23 00:50:57,172 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:50:57,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:50:57 ImpRootNode [2021-11-23 00:50:57,172 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:50:57,173 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:50:57,173 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:50:57,173 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:50:57,174 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:50:53" (3/4) ... [2021-11-23 00:50:57,177 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:50:57,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 00:50:57,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 00:50:57,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 00:50:57,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 00:50:57,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 00:50:57,190 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2021-11-23 00:50:57,191 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-23 00:50:57,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-23 00:50:57,193 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 00:50:57,193 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:50:57,194 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:50:57,194 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:50:57,268 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81624de4-9a0b-4121-a581-aa852b74890e/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:50:57,268 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:50:57,269 INFO L158 Benchmark]: Toolchain (without parser) took 5441.25ms. Allocated memory was 90.2MB in the beginning and 144.7MB in the end (delta: 54.5MB). Free memory was 56.5MB in the beginning and 105.2MB in the end (delta: -48.7MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2021-11-23 00:50:57,269 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 45.0MB in the beginning and 45.0MB in the end (delta: 46.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:50:57,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.71ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 56.2MB in the beginning and 86.0MB in the end (delta: -29.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:50:57,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.69ms. Allocated memory is still 119.5MB. Free memory was 86.0MB in the beginning and 83.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:50:57,271 INFO L158 Benchmark]: Boogie Preprocessor took 53.69ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 82.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:50:57,271 INFO L158 Benchmark]: RCFGBuilder took 637.71ms. Allocated memory is still 119.5MB. Free memory was 82.4MB in the beginning and 63.9MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 00:50:57,272 INFO L158 Benchmark]: CodeCheck took 4093.26ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 63.9MB in the beginning and 110.4MB in the end (delta: -46.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:50:57,272 INFO L158 Benchmark]: Witness Printer took 95.30ms. Allocated memory is still 144.7MB. Free memory was 110.4MB in the beginning and 105.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:50:57,275 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: 3.9s, 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, 2060 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 826 mSDsluCounter, 2110 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1422 mSDsCounter, 806 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2393 IncrementalHoareTripleChecker+Invalid, 3199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 806 mSolverCounterUnsat, 820 mSDtfsCounter, 2393 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4283 GetRequests, 4208 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1597 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 504 NumberOfCodeBlocks, 504 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 488 ConstructedInterpolants, 0 QuantifiedInterpolants, 925 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 174/177 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: 285]: 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: 883]: Loop Invariant Derived loop invariant: (tmp == 1 && pumpRunning == 0) && methaneLevelCritical == 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (!(splverifierCounter == 0) || pumpRunning == 0) || methaneLevelCritical == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: pumpRunning == 0 || methaneLevelCritical == 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 45.0MB in the beginning and 45.0MB in the end (delta: 46.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.71ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 56.2MB in the beginning and 86.0MB in the end (delta: -29.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.69ms. Allocated memory is still 119.5MB. Free memory was 86.0MB in the beginning and 83.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.69ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 82.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 637.71ms. Allocated memory is still 119.5MB. Free memory was 82.4MB in the beginning and 63.9MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 4093.26ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 63.9MB in the beginning and 110.4MB in the end (delta: -46.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 95.30ms. Allocated memory is still 144.7MB. Free memory was 110.4MB in the beginning and 105.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:50:57,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81624de4-9a0b-4121-a581-aa852b74890e/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