./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.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_642dc53e-cc32-4764-9963-6121995d8d90/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_642dc53e-cc32-4764-9963-6121995d8d90/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_642dc53e-cc32-4764-9963-6121995d8d90/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_642dc53e-cc32-4764-9963-6121995d8d90/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_642dc53e-cc32-4764-9963-6121995d8d90/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_642dc53e-cc32-4764-9963-6121995d8d90/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 924726723ff3b89961725912ca395f7f3ab1262e ............................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:34:26,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:34:26,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:34:26,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:34:26,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:34:26,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:34:26,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:34:26,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:34:26,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:34:26,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:34:26,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:34:26,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:34:26,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:34:26,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:34:26,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:34:26,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:34:26,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:34:26,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:34:26,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:34:26,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:34:26,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:34:26,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:34:26,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:34:26,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:34:26,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:34:26,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:34:26,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:34:26,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:34:26,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:34:26,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:34:26,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:34:26,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:34:26,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:34:26,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:34:26,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:34:26,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:34:26,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:34:26,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:34:26,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:34:26,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:34:26,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:34:26,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_642dc53e-cc32-4764-9963-6121995d8d90/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 23:34:26,551 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:34:26,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:34:26,552 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 23:34:26,553 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 23:34:26,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:34:26,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:34:26,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:34:26,555 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:34:26,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:34:26,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:34:26,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:34:26,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:34:26,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:34:26,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:34:26,558 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:34:26,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:34:26,558 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:34:26,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:34:26,559 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 23:34:26,559 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 23:34:26,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:34:26,560 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:34:26,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:34:26,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:34:26,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:34:26,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:34:26,561 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 23:34:26,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:34:26,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:34:26,562 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_642dc53e-cc32-4764-9963-6121995d8d90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_642dc53e-cc32-4764-9963-6121995d8d90/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 924726723ff3b89961725912ca395f7f3ab1262e [2020-11-29 23:34:26,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:34:26,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:34:26,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:34:26,881 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:34:26,884 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:34:26,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_642dc53e-cc32-4764-9963-6121995d8d90/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2020-11-29 23:34:26,963 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_642dc53e-cc32-4764-9963-6121995d8d90/bin/ukojak/data/0cd49db4a/b5384905261748aaadf95289cf9a482c/FLAG5efe684ee [2020-11-29 23:34:27,510 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:34:27,510 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_642dc53e-cc32-4764-9963-6121995d8d90/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2020-11-29 23:34:27,529 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_642dc53e-cc32-4764-9963-6121995d8d90/bin/ukojak/data/0cd49db4a/b5384905261748aaadf95289cf9a482c/FLAG5efe684ee [2020-11-29 23:34:27,821 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_642dc53e-cc32-4764-9963-6121995d8d90/bin/ukojak/data/0cd49db4a/b5384905261748aaadf95289cf9a482c [2020-11-29 23:34:27,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:34:27,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:34:27,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:34:27,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:34:27,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:34:27,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:34:27" (1/1) ... [2020-11-29 23:34:27,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@468a2161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:27, skipping insertion in model container [2020-11-29 23:34:27,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:34:27" (1/1) ... [2020-11-29 23:34:27,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:34:27,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:34:28,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:34:28,208 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:34:28,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:34:28,402 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:34:28,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:28 WrapperNode [2020-11-29 23:34:28,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:34:28,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:34:28,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:34:28,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:34:28,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:28" (1/1) ... [2020-11-29 23:34:28,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:28" (1/1) ... [2020-11-29 23:34:28,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:34:28,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:34:28,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:34:28,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:34:28,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:28" (1/1) ... [2020-11-29 23:34:28,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:28" (1/1) ... [2020-11-29 23:34:28,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:28" (1/1) ... [2020-11-29 23:34:28,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:28" (1/1) ... [2020-11-29 23:34:28,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:28" (1/1) ... [2020-11-29 23:34:28,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:28" (1/1) ... [2020-11-29 23:34:28,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:28" (1/1) ... [2020-11-29 23:34:28,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:34:28,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:34:28,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:34:28,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:34:28,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:34:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_642dc53e-cc32-4764-9963-6121995d8d90/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 [2020-11-29 23:34:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:34:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 23:34:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 23:34:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 23:34:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 23:34:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 23:34:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 23:34:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-29 23:34:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-29 23:34:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-29 23:34:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-29 23:34:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:34:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 23:34:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 23:34:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:34:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:34:30,412 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:34:30,413 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-29 23:34:30,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:34:30 BoogieIcfgContainer [2020-11-29 23:34:30,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:34:30,416 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 23:34:30,416 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 23:34:30,429 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 23:34:30,429 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:34:30" (1/1) ... [2020-11-29 23:34:30,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:34:30,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:30,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2020-11-29 23:34:30,486 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2020-11-29 23:34:30,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 23:34:30,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:30,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:34:30,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:30,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2020-11-29 23:34:30,869 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2020-11-29 23:34:30,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 23:34:30,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:31,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:34:31,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:31,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2020-11-29 23:34:31,041 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-11-29 23:34:31,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:34:31,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:31,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:34:31,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:31,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 79 transitions. [2020-11-29 23:34:31,514 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2020-11-29 23:34:31,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 23:34:31,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:31,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:34:31,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:31,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 58 states and 80 transitions. [2020-11-29 23:34:31,634 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2020-11-29 23:34:31,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 23:34:31,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:31,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:34:31,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:31,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2020-11-29 23:34:31,726 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-11-29 23:34:31,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 23:34:31,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:31,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:34:32,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:32,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 72 states and 112 transitions. [2020-11-29 23:34:32,570 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2020-11-29 23:34:32,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:34:32,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:32,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:34:33,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:33,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 81 states and 131 transitions. [2020-11-29 23:34:33,498 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 131 transitions. [2020-11-29 23:34:33,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 23:34:33,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:33,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:34:33,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:33,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 82 states and 133 transitions. [2020-11-29 23:34:33,711 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 133 transitions. [2020-11-29 23:34:33,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 23:34:33,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:33,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:34:33,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:33,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 83 states and 133 transitions. [2020-11-29 23:34:33,839 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 133 transitions. [2020-11-29 23:34:33,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 23:34:33,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:33,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:34:33,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:33,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 86 states and 138 transitions. [2020-11-29 23:34:33,960 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 138 transitions. [2020-11-29 23:34:33,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 23:34:33,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:34,035 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:34:34,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:34,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 91 states and 147 transitions. [2020-11-29 23:34:34,202 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2020-11-29 23:34:34,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 23:34:34,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:34,256 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:34:34,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:34,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 92 states and 150 transitions. [2020-11-29 23:34:34,485 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 150 transitions. [2020-11-29 23:34:34,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 23:34:34,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:34,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:34:34,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:34,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 94 states and 153 transitions. [2020-11-29 23:34:34,779 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 153 transitions. [2020-11-29 23:34:34,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 23:34:34,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:34,837 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:34:34,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:34,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 95 states and 156 transitions. [2020-11-29 23:34:34,898 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 156 transitions. [2020-11-29 23:34:34,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 23:34:34,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:34,936 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:34:34,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:34,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 97 states and 158 transitions. [2020-11-29 23:34:34,953 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 158 transitions. [2020-11-29 23:34:34,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 23:34:34,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:35,069 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 23:34:36,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:36,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 106 states and 184 transitions. [2020-11-29 23:34:36,229 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 184 transitions. [2020-11-29 23:34:36,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 23:34:36,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:36,272 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 23:34:36,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:36,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 106 states and 181 transitions. [2020-11-29 23:34:36,525 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 181 transitions. [2020-11-29 23:34:36,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 23:34:36,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:37,194 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:34:39,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:39,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 114 states and 200 transitions. [2020-11-29 23:34:39,198 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 200 transitions. [2020-11-29 23:34:39,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 23:34:39,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:39,940 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:34:41,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:41,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 122 states and 221 transitions. [2020-11-29 23:34:41,871 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 221 transitions. [2020-11-29 23:34:41,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 23:34:41,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:41,926 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 23:34:41,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:41,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 123 states and 222 transitions. [2020-11-29 23:34:41,999 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 222 transitions. [2020-11-29 23:34:42,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 23:34:42,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-29 23:34:42,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:42,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 124 states and 222 transitions. [2020-11-29 23:34:42,060 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 222 transitions. [2020-11-29 23:34:42,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 23:34:42,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:34:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:34:42,125 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 23:34:43,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:34:43,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 48 states and 66 transitions. [2020-11-29 23:34:43,274 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 66 transitions. [2020-11-29 23:34:43,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:34:43,275 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2020-11-29 23:34:43,282 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 23:34:43,598 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:34:43,601 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:34:43,602 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:34:43,602 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:34:43,602 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:34:43,602 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:34:43,602 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2020-11-29 23:34:43,607 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-29 23:34:43,608 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:34:43,608 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:34:43,609 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:34:43,609 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:34:43,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 11:34:43 ImpRootNode [2020-11-29 23:34:43,609 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 23:34:43,610 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:34:43,610 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:34:43,610 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:34:43,611 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:34:30" (3/4) ... [2020-11-29 23:34:43,614 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:34:43,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 23:34:43,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 23:34:43,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 23:34:43,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 23:34:43,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-29 23:34:43,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-29 23:34:43,629 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2020-11-29 23:34:43,630 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 23:34:43,631 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 23:34:43,631 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 23:34:43,632 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 23:34:43,633 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:34:43,633 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:34:43,660 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == systemActive && pumpRunning == \old(pumpRunning)) || (\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0)) || !(1 == systemActive) [2020-11-29 23:34:43,721 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_642dc53e-cc32-4764-9963-6121995d8d90/bin/ukojak/witness.graphml [2020-11-29 23:34:43,727 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:34:43,729 INFO L168 Benchmark]: Toolchain (without parser) took 15903.37 ms. Allocated memory was 81.8 MB in the beginning and 209.7 MB in the end (delta: 127.9 MB). Free memory was 57.7 MB in the beginning and 85.0 MB in the end (delta: -27.4 MB). Peak memory consumption was 101.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:34:43,730 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 81.8 MB. Free memory is still 57.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:34:43,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.00 ms. Allocated memory is still 81.8 MB. Free memory was 57.5 MB in the beginning and 48.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:34:43,731 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.60 ms. Allocated memory is still 81.8 MB. Free memory was 48.4 MB in the beginning and 45.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:34:43,732 INFO L168 Benchmark]: Boogie Preprocessor took 69.99 ms. Allocated memory is still 81.8 MB. Free memory was 45.9 MB in the beginning and 44.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:34:43,732 INFO L168 Benchmark]: RCFGBuilder took 1855.10 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 44.1 MB in the beginning and 49.3 MB in the end (delta: -5.2 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:34:43,733 INFO L168 Benchmark]: CodeCheck took 13193.35 ms. Allocated memory was 98.6 MB in the beginning and 209.7 MB in the end (delta: 111.1 MB). Free memory was 49.3 MB in the beginning and 89.2 MB in the end (delta: -39.9 MB). Peak memory consumption was 74.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:34:43,733 INFO L168 Benchmark]: Witness Printer took 117.38 ms. Allocated memory is still 209.7 MB. Free memory was 89.2 MB in the beginning and 85.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:34:43,735 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 7 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.8s, OverallIterations: 23, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 79886708 SDtfs, 27684690 SDslu, 43267208 SDs, 0 SdLazy, 38455372 SolverSat, 10618598 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6519 GetRequests, 6317 SyntacticMatches, 44 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10757 ImplicationChecksByTransitivity, 9.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 686 NumberOfCodeBlocks, 686 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 664 ConstructedInterpolants, 0 QuantifiedInterpolants, 62962 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 19 PerfectInterpolantSequences, 166/178 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: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: (((waterLevel == systemActive && pumpRunning == \old(pumpRunning)) || (\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0)) || !(1 == systemActive) - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 81.8 MB. Free memory is still 57.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 577.00 ms. Allocated memory is still 81.8 MB. Free memory was 57.5 MB in the beginning and 48.4 MB in the end (delta: 9.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.60 ms. Allocated memory is still 81.8 MB. Free memory was 48.4 MB in the beginning and 45.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.99 ms. Allocated memory is still 81.8 MB. Free memory was 45.9 MB in the beginning and 44.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1855.10 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 44.1 MB in the beginning and 49.3 MB in the end (delta: -5.2 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. * CodeCheck took 13193.35 ms. Allocated memory was 98.6 MB in the beginning and 209.7 MB in the end (delta: 111.1 MB). Free memory was 49.3 MB in the beginning and 89.2 MB in the end (delta: -39.9 MB). Peak memory consumption was 74.4 MB. Max. memory is 16.1 GB. * Witness Printer took 117.38 ms. Allocated memory is still 209.7 MB. Free memory was 89.2 MB in the beginning and 85.0 MB in the end (delta: 4.2 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...