./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product01.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_60198885-579b-4da0-b840-8dd93507cae4/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60198885-579b-4da0-b840-8dd93507cae4/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_60198885-579b-4da0-b840-8dd93507cae4/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60198885-579b-4da0-b840-8dd93507cae4/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60198885-579b-4da0-b840-8dd93507cae4/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_60198885-579b-4da0-b840-8dd93507cae4/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 47239d678f7aaf21a2fed69a46673ac27eceb8c724d4476eded10389fccd5c92 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:49:32,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:49:32,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:49:32,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:49:32,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:49:32,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:49:32,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:49:32,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:49:32,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:49:32,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:49:32,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:49:32,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:49:32,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:49:32,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:49:32,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:49:32,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:49:32,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:49:32,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:49:32,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:49:32,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:49:32,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:49:32,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:49:32,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:49:32,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:49:32,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:49:32,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:49:32,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:49:32,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:49:32,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:49:32,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:49:32,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:49:32,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:49:32,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:49:32,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:49:32,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:49:32,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:49:32,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:49:32,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:49:32,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:49:32,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:49:32,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:49:32,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60198885-579b-4da0-b840-8dd93507cae4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:49:32,617 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:49:32,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:49:32,619 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:49:32,619 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:49:32,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:49:32,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:49:32,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:49:32,621 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:49:32,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:49:32,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:49:32,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:49:32,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:49:32,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:49:32,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:49:32,623 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:49:32,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:49:32,624 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:49:32,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:49:32,624 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:49:32,625 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:49:32,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:49:32,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:49:32,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:49:32,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:49:32,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:49:32,626 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:49:32,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:49:32,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:49:32,627 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_60198885-579b-4da0-b840-8dd93507cae4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60198885-579b-4da0-b840-8dd93507cae4/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47239d678f7aaf21a2fed69a46673ac27eceb8c724d4476eded10389fccd5c92 [2021-11-23 00:49:32,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:49:32,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:49:32,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:49:32,985 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:49:32,987 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:49:32,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60198885-579b-4da0-b840-8dd93507cae4/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2021-11-23 00:49:33,067 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60198885-579b-4da0-b840-8dd93507cae4/bin/ukojak-LBtLqBUTdQ/data/e5121d435/c98f55c3033749b99af6e1839c32924a/FLAG89459f236 [2021-11-23 00:49:33,709 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:49:33,709 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60198885-579b-4da0-b840-8dd93507cae4/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2021-11-23 00:49:33,738 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60198885-579b-4da0-b840-8dd93507cae4/bin/ukojak-LBtLqBUTdQ/data/e5121d435/c98f55c3033749b99af6e1839c32924a/FLAG89459f236 [2021-11-23 00:49:33,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60198885-579b-4da0-b840-8dd93507cae4/bin/ukojak-LBtLqBUTdQ/data/e5121d435/c98f55c3033749b99af6e1839c32924a [2021-11-23 00:49:33,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:49:33,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:49:33,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:49:34,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:49:34,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:49:34,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:49:33" (1/1) ... [2021-11-23 00:49:34,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b5ad07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:34, skipping insertion in model container [2021-11-23 00:49:34,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:49:33" (1/1) ... [2021-11-23 00:49:34,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:49:34,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:49:34,353 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_60198885-579b-4da0-b840-8dd93507cae4/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c[17118,17131] [2021-11-23 00:49:34,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:49:34,366 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:49:34,434 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_60198885-579b-4da0-b840-8dd93507cae4/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c[17118,17131] [2021-11-23 00:49:34,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:49:34,451 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:49:34,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:34 WrapperNode [2021-11-23 00:49:34,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:49:34,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:49:34,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:49:34,454 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:49:34,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:34" (1/1) ... [2021-11-23 00:49:34,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:34" (1/1) ... [2021-11-23 00:49:34,507 INFO L137 Inliner]: procedures = 50, calls = 145, calls flagged for inlining = 17, calls inlined = 14, statements flattened = 188 [2021-11-23 00:49:34,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:49:34,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:49:34,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:49:34,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:49:34,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:34" (1/1) ... [2021-11-23 00:49:34,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:34" (1/1) ... [2021-11-23 00:49:34,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:34" (1/1) ... [2021-11-23 00:49:34,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:34" (1/1) ... [2021-11-23 00:49:34,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:34" (1/1) ... [2021-11-23 00:49:34,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:34" (1/1) ... [2021-11-23 00:49:34,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:34" (1/1) ... [2021-11-23 00:49:34,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:49:34,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:49:34,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:49:34,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:49:34,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:34" (1/1) ... [2021-11-23 00:49:34,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:49:34,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60198885-579b-4da0-b840-8dd93507cae4/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:49:34,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60198885-579b-4da0-b840-8dd93507cae4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:49:34,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60198885-579b-4da0-b840-8dd93507cae4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:49:34,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:49:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:49:34,658 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:49:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 00:49:34,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 00:49:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:49:34,659 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:49:34,659 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:49:34,659 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:49:34,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:49:34,659 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:49:34,660 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:49:34,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:49:34,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:49:34,755 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:49:34,757 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:49:35,046 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:49:35,171 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:49:35,171 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:49:35,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:35 BoogieIcfgContainer [2021-11-23 00:49:35,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:49:35,175 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:49:35,175 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:49:35,185 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:49:35,186 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:35" (1/1) ... [2021-11-23 00:49:35,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:49:35,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:35,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2021-11-23 00:49:35,258 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2021-11-23 00:49:35,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:49:35,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:35,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:35,474 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 00:49:35,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:35,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2021-11-23 00:49:35,545 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2021-11-23 00:49:35,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:49:35,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:35,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:35,692 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 00:49:35,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:35,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2021-11-23 00:49:35,719 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2021-11-23 00:49:35,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:49:35,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:35,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:35,832 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 00:49:36,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:36,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 53 states and 72 transitions. [2021-11-23 00:49:36,038 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-11-23 00:49:36,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:49:36,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:36,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:36,134 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 00:49:36,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:36,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 54 states and 73 transitions. [2021-11-23 00:49:36,161 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 73 transitions. [2021-11-23 00:49:36,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:49:36,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:36,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:36,288 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 00:49:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:36,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 67 states and 99 transitions. [2021-11-23 00:49:36,822 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 99 transitions. [2021-11-23 00:49:36,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:49:36,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:36,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:36,905 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 00:49:36,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:36,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 68 states and 100 transitions. [2021-11-23 00:49:36,918 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2021-11-23 00:49:36,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:49:36,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:36,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:36,949 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 00:49:37,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:37,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 73 states and 111 transitions. [2021-11-23 00:49:37,082 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 111 transitions. [2021-11-23 00:49:37,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:49:37,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:37,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:37,142 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 00:49:37,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:37,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 74 states and 112 transitions. [2021-11-23 00:49:37,169 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 112 transitions. [2021-11-23 00:49:37,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:49:37,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:37,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:37,379 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 00:49:37,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:37,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 77 states and 118 transitions. [2021-11-23 00:49:37,996 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 118 transitions. [2021-11-23 00:49:38,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:49:38,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:38,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:38,034 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 00:49:38,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:38,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 80 states and 124 transitions. [2021-11-23 00:49:38,172 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 124 transitions. [2021-11-23 00:49:38,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:49:38,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:38,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:38,252 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 00:49:38,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:38,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 82 states and 126 transitions. [2021-11-23 00:49:38,285 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 126 transitions. [2021-11-23 00:49:38,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:49:38,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:38,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:38,359 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 00:49:38,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:38,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 87 states and 133 transitions. [2021-11-23 00:49:38,444 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 133 transitions. [2021-11-23 00:49:38,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:49:38,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:38,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:38,488 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 00:49:38,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:38,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 88 states and 134 transitions. [2021-11-23 00:49:38,503 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2021-11-23 00:49:38,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:49:38,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:38,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:38,541 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 00:49:38,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:38,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 91 states and 139 transitions. [2021-11-23 00:49:38,559 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 139 transitions. [2021-11-23 00:49:38,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:49:38,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:38,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:38,595 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 00:49:38,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:38,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 92 states and 140 transitions. [2021-11-23 00:49:38,616 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 140 transitions. [2021-11-23 00:49:38,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:49:38,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:38,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:38,652 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 00:49:38,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:38,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 39 states and 48 transitions. [2021-11-23 00:49:38,667 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2021-11-23 00:49:38,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:49:38,668 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2021-11-23 00:49:38,677 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:49:38,768 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:49:38,773 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:49:38,773 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:49:38,773 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:49:38,773 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 00:49:38,777 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:49:38,777 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:49:38,777 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:49:38,777 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:49:38,777 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-23 00:49:38,779 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:49:38,779 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:49:38,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:49:38 ImpRootNode [2021-11-23 00:49:38,779 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:49:38,780 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:49:38,780 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:49:38,780 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:49:38,781 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:35" (3/4) ... [2021-11-23 00:49:38,784 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:49:38,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 00:49:38,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 00:49:38,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 00:49:38,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 00:49:38,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 00:49:38,801 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges [2021-11-23 00:49:38,802 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-23 00:49:38,803 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 00:49:38,803 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 00:49:38,804 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:49:38,804 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:49:38,805 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:49:38,895 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60198885-579b-4da0-b840-8dd93507cae4/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:49:38,895 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:49:38,896 INFO L158 Benchmark]: Toolchain (without parser) took 4910.80ms. Allocated memory was 98.6MB in the beginning and 151.0MB in the end (delta: 52.4MB). Free memory was 66.3MB in the beginning and 61.9MB in the end (delta: 4.4MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2021-11-23 00:49:38,897 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:49:38,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.05ms. Allocated memory is still 98.6MB. Free memory was 66.1MB in the beginning and 65.6MB in the end (delta: 509.5kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:49:38,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.67ms. Allocated memory is still 98.6MB. Free memory was 65.6MB in the beginning and 63.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:49:38,900 INFO L158 Benchmark]: Boogie Preprocessor took 52.47ms. Allocated memory is still 98.6MB. Free memory was 63.2MB in the beginning and 61.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:49:38,900 INFO L158 Benchmark]: RCFGBuilder took 603.28ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 61.8MB in the beginning and 99.6MB in the end (delta: -37.8MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2021-11-23 00:49:38,901 INFO L158 Benchmark]: CodeCheck took 3604.62ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 99.6MB in the beginning and 66.1MB in the end (delta: 33.5MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2021-11-23 00:49:38,901 INFO L158 Benchmark]: Witness Printer took 115.56ms. Allocated memory is still 151.0MB. Free memory was 66.1MB in the beginning and 61.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:49:38,904 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, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, 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, 2143 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 851 mSDsluCounter, 2133 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1513 mSDsCounter, 754 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2281 IncrementalHoareTripleChecker+Invalid, 3035 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 754 mSolverCounterUnsat, 832 mSDtfsCounter, 2281 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4409 GetRequests, 4339 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1388 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 520 NumberOfCodeBlocks, 520 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 504 ConstructedInterpolants, 0 QuantifiedInterpolants, 955 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: 861]: 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: 380]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.05ms. Allocated memory is still 98.6MB. Free memory was 66.1MB in the beginning and 65.6MB in the end (delta: 509.5kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.67ms. Allocated memory is still 98.6MB. Free memory was 65.6MB in the beginning and 63.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.47ms. Allocated memory is still 98.6MB. Free memory was 63.2MB in the beginning and 61.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 603.28ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 61.8MB in the beginning and 99.6MB in the end (delta: -37.8MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * CodeCheck took 3604.62ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 99.6MB in the beginning and 66.1MB in the end (delta: 33.5MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Witness Printer took 115.56ms. Allocated memory is still 151.0MB. Free memory was 66.1MB in the beginning and 61.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:49:38,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60198885-579b-4da0-b840-8dd93507cae4/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