./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_14c043a2-de5f-4715-8d0f-db92356153b4/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_14c043a2-de5f-4715-8d0f-db92356153b4/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_14c043a2-de5f-4715-8d0f-db92356153b4/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_14c043a2-de5f-4715-8d0f-db92356153b4/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_14c043a2-de5f-4715-8d0f-db92356153b4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_14c043a2-de5f-4715-8d0f-db92356153b4/bin/ukojak --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 db34ce7f2561b6e02b8ca3433870fb499d17b965 ............................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:45:16,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:45:16,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:45:16,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:45:16,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:45:16,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:45:16,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:45:16,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:45:16,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:45:16,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:45:16,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:45:16,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:45:16,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:45:16,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:45:16,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:45:16,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:45:16,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:45:16,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:45:16,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:45:16,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:45:16,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:45:16,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:45:16,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:45:16,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:45:16,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:45:16,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:45:16,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:45:16,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:45:16,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:45:16,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:45:16,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:45:16,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:45:16,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:45:16,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:45:16,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:45:16,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:45:16,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:45:16,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:45:16,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:45:16,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:45:16,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:45:16,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_14c043a2-de5f-4715-8d0f-db92356153b4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:45:16,401 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:45:16,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:45:16,402 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:45:16,403 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:45:16,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:45:16,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:45:16,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:45:16,404 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:45:16,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:45:16,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:45:16,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:45:16,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:45:16,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:45:16,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:45:16,406 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:45:16,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:45:16,406 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:45:16,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:45:16,407 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:45:16,407 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:45:16,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:45:16,407 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:45:16,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:45:16,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:45:16,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:45:16,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:45:16,409 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:45:16,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:45:16,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:45:16,409 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-vcloud-master/worker/run_dir_14c043a2-de5f-4715-8d0f-db92356153b4/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_14c043a2-de5f-4715-8d0f-db92356153b4/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db34ce7f2561b6e02b8ca3433870fb499d17b965 [2020-11-28 04:45:16,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:45:16,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:45:16,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:45:16,733 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:45:16,734 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:45:16,735 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_14c043a2-de5f-4715-8d0f-db92356153b4/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2020-11-28 04:45:16,822 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_14c043a2-de5f-4715-8d0f-db92356153b4/bin/ukojak/data/0affd9265/f240a982466b4ebd9a92ef9753304141/FLAGf018e7de5 [2020-11-28 04:45:17,388 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:45:17,389 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_14c043a2-de5f-4715-8d0f-db92356153b4/sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2020-11-28 04:45:17,409 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_14c043a2-de5f-4715-8d0f-db92356153b4/bin/ukojak/data/0affd9265/f240a982466b4ebd9a92ef9753304141/FLAGf018e7de5 [2020-11-28 04:45:17,696 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_14c043a2-de5f-4715-8d0f-db92356153b4/bin/ukojak/data/0affd9265/f240a982466b4ebd9a92ef9753304141 [2020-11-28 04:45:17,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:45:17,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:45:17,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:45:17,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:45:17,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:45:17,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:45:17" (1/1) ... [2020-11-28 04:45:17,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18e4e64c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:17, skipping insertion in model container [2020-11-28 04:45:17,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:45:17" (1/1) ... [2020-11-28 04:45:17,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:45:17,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:45:18,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:45:18,228 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:45:18,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:45:18,425 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:45:18,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18 WrapperNode [2020-11-28 04:45:18,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:45:18,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:45:18,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:45:18,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:45:18,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18" (1/1) ... [2020-11-28 04:45:18,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18" (1/1) ... [2020-11-28 04:45:18,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:45:18,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:45:18,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:45:18,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:45:18,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18" (1/1) ... [2020-11-28 04:45:18,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18" (1/1) ... [2020-11-28 04:45:18,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18" (1/1) ... [2020-11-28 04:45:18,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18" (1/1) ... [2020-11-28 04:45:18,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18" (1/1) ... [2020-11-28 04:45:18,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18" (1/1) ... [2020-11-28 04:45:18,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18" (1/1) ... [2020-11-28 04:45:18,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:45:18,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:45:18,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:45:18,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:45:18,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_14c043a2-de5f-4715-8d0f-db92356153b4/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:45:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:45:18,696 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:45:18,696 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:45:18,697 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:45:18,697 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:45:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:45:18,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:45:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:45:18,698 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:45:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:45:18,699 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:45:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:45:18,700 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:45:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-28 04:45:18,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-28 04:45:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:45:18,701 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:45:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:45:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:45:18,701 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:45:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:45:18,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:45:20,106 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:45:20,107 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-28 04:45:20,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:45:20 BoogieIcfgContainer [2020-11-28 04:45:20,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:45:20,111 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:45:20,111 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:45:20,122 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:45:20,122 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:45:20" (1/1) ... [2020-11-28 04:45:20,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:45:20,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:20,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2020-11-28 04:45:20,202 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2020-11-28 04:45:20,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:45:20,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:20,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:20,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:20,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 64 states and 82 transitions. [2020-11-28 04:45:20,487 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2020-11-28 04:45:20,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:45:20,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:20,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:20,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:20,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 66 states and 85 transitions. [2020-11-28 04:45:20,619 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2020-11-28 04:45:20,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:45:20,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:20,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:21,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:21,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 75 states and 102 transitions. [2020-11-28 04:45:21,098 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions. [2020-11-28 04:45:21,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:45:21,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:21,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:21,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:21,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 76 states and 103 transitions. [2020-11-28 04:45:21,181 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2020-11-28 04:45:21,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:45:21,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:21,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:21,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:21,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 77 states and 104 transitions. [2020-11-28 04:45:21,284 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 104 transitions. [2020-11-28 04:45:21,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:45:21,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:21,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:22,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:22,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 92 states and 133 transitions. [2020-11-28 04:45:22,177 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2020-11-28 04:45:22,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:45:22,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:22,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:22,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:22,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 93 states and 134 transitions. [2020-11-28 04:45:22,261 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 134 transitions. [2020-11-28 04:45:22,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:45:22,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:22,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:24,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:24,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 111 states and 173 transitions. [2020-11-28 04:45:24,050 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 173 transitions. [2020-11-28 04:45:24,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:45:24,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:24,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:24,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:24,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 113 states and 178 transitions. [2020-11-28 04:45:24,393 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 178 transitions. [2020-11-28 04:45:24,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:45:24,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:24,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:24,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:24,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 111 states and 172 transitions. [2020-11-28 04:45:24,488 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 172 transitions. [2020-11-28 04:45:24,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:45:24,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:24,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:45:24,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:24,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 112 states and 173 transitions. [2020-11-28 04:45:24,575 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 173 transitions. [2020-11-28 04:45:24,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:45:24,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:24,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:45:24,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:24,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 117 states and 182 transitions. [2020-11-28 04:45:24,797 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 182 transitions. [2020-11-28 04:45:24,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:45:24,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:24,834 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:45:24,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:24,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 122 states and 191 transitions. [2020-11-28 04:45:24,961 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 191 transitions. [2020-11-28 04:45:24,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:45:24,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:25,004 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:45:25,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:25,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 123 states and 192 transitions. [2020-11-28 04:45:25,041 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 192 transitions. [2020-11-28 04:45:25,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:45:25,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:25,419 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:45:26,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:26,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 126 states and 200 transitions. [2020-11-28 04:45:26,560 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 200 transitions. [2020-11-28 04:45:26,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:45:26,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:26,633 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:45:26,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:26,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 129 states and 206 transitions. [2020-11-28 04:45:26,866 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 206 transitions. [2020-11-28 04:45:26,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-28 04:45:26,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:26,908 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-28 04:45:28,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:28,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 141 states and 233 transitions. [2020-11-28 04:45:28,391 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 233 transitions. [2020-11-28 04:45:28,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:45:28,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:28,458 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-28 04:45:29,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:29,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 147 states and 251 transitions. [2020-11-28 04:45:29,792 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 251 transitions. [2020-11-28 04:45:29,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-28 04:45:29,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:29,852 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-28 04:45:29,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:29,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 148 states and 252 transitions. [2020-11-28 04:45:29,880 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 252 transitions. [2020-11-28 04:45:29,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-28 04:45:29,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:29,928 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:45:30,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:30,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 154 states and 266 transitions. [2020-11-28 04:45:30,676 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 266 transitions. [2020-11-28 04:45:30,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-28 04:45:30,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:30,729 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-28 04:45:30,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:30,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 157 states and 271 transitions. [2020-11-28 04:45:30,763 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 271 transitions. [2020-11-28 04:45:30,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-28 04:45:30,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:30,816 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-28 04:45:30,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:30,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 158 states and 272 transitions. [2020-11-28 04:45:30,848 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 272 transitions. [2020-11-28 04:45:30,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-28 04:45:30,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:30,893 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-28 04:45:30,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:30,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 67 states and 82 transitions. [2020-11-28 04:45:30,915 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 82 transitions. [2020-11-28 04:45:30,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:45:30,916 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2020-11-28 04:45:30,925 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:45:31,287 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:31,292 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:31,292 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:45:31,297 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:45:31,297 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:31,298 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:31,298 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-28 04:45:31,301 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-28 04:45:31,303 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:31,303 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:31,303 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:31,303 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:31,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:45:31 ImpRootNode [2020-11-28 04:45:31,304 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:45:31,305 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:45:31,305 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:45:31,305 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:45:31,306 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:45:20" (3/4) ... [2020-11-28 04:45:31,317 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:45:31,326 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:45:31,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:45:31,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:45:31,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:45:31,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:45:31,327 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:45:31,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:45:31,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:45:31,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-28 04:45:31,341 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2020-11-28 04:45:31,342 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 04:45:31,343 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:45:31,344 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:45:31,344 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:45:31,345 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:45:31,345 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:45:31,378 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2020-11-28 04:45:31,380 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-28 04:45:31,441 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_14c043a2-de5f-4715-8d0f-db92356153b4/bin/ukojak/witness.graphml [2020-11-28 04:45:31,441 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:45:31,443 INFO L168 Benchmark]: Toolchain (without parser) took 13742.26 ms. Allocated memory was 90.2 MB in the beginning and 243.3 MB in the end (delta: 153.1 MB). Free memory was 55.8 MB in the beginning and 100.5 MB in the end (delta: -44.6 MB). Peak memory consumption was 108.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:31,444 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory was 60.8 MB in the beginning and 60.8 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:45:31,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.94 ms. Allocated memory is still 90.2 MB. Free memory was 55.5 MB in the beginning and 57.0 MB in the end (delta: -1.4 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:31,445 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.37 ms. Allocated memory is still 90.2 MB. Free memory was 57.0 MB in the beginning and 54.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:31,446 INFO L168 Benchmark]: Boogie Preprocessor took 69.82 ms. Allocated memory is still 90.2 MB. Free memory was 54.3 MB in the beginning and 52.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:31,446 INFO L168 Benchmark]: RCFGBuilder took 1497.01 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 52.3 MB in the beginning and 53.9 MB in the end (delta: -1.6 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:31,447 INFO L168 Benchmark]: CodeCheck took 11193.61 ms. Allocated memory was 111.1 MB in the beginning and 243.3 MB in the end (delta: 132.1 MB). Free memory was 53.9 MB in the beginning and 106.7 MB in the end (delta: -52.8 MB). Peak memory consumption was 78.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:31,447 INFO L168 Benchmark]: Witness Printer took 136.54 ms. Allocated memory is still 243.3 MB. Free memory was 105.7 MB in the beginning and 100.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:31,449 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.7s, OverallIterations: 24, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 193711396 SDtfs, 53132268 SDslu, 89610140 SDs, 0 SdLazy, 82584492 SolverSat, 26544868 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9425 GetRequests, 9261 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10010 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 999 NumberOfCodeBlocks, 999 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 976 ConstructedInterpolants, 0 QuantifiedInterpolants, 88825 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 19 PerfectInterpolantSequences, 267/277 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: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && tmp == systemActive) && tmp == 1) && pumpRunning == 0 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || !(0 == tmp) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory was 60.8 MB in the beginning and 60.8 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 715.94 ms. Allocated memory is still 90.2 MB. Free memory was 55.5 MB in the beginning and 57.0 MB in the end (delta: -1.4 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 112.37 ms. Allocated memory is still 90.2 MB. Free memory was 57.0 MB in the beginning and 54.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.82 ms. Allocated memory is still 90.2 MB. Free memory was 54.3 MB in the beginning and 52.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1497.01 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 52.3 MB in the beginning and 53.9 MB in the end (delta: -1.6 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. * CodeCheck took 11193.61 ms. Allocated memory was 111.1 MB in the beginning and 243.3 MB in the end (delta: 132.1 MB). Free memory was 53.9 MB in the beginning and 106.7 MB in the end (delta: -52.8 MB). Peak memory consumption was 78.4 MB. Max. memory is 16.1 GB. * Witness Printer took 136.54 ms. Allocated memory is still 243.3 MB. Free memory was 105.7 MB in the beginning and 100.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...