./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_510a9cc6-f6b3-4b1a-a795-eeb400487833/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_510a9cc6-f6b3-4b1a-a795-eeb400487833/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_510a9cc6-f6b3-4b1a-a795-eeb400487833/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_510a9cc6-f6b3-4b1a-a795-eeb400487833/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_510a9cc6-f6b3-4b1a-a795-eeb400487833/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_510a9cc6-f6b3-4b1a-a795-eeb400487833/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 40c2ba74d1f3e4aa3f4881cec0cfe2f78c41d8ce ............................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:30:52,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:30:52,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:30:52,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:30:52,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:30:52,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:30:52,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:30:52,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:30:52,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:30:52,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:30:52,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:30:52,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:30:52,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:30:52,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:30:52,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:30:52,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:30:52,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:30:52,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:30:52,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:30:52,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:30:52,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:30:52,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:30:52,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:30:52,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:30:52,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:30:52,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:30:52,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:30:52,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:30:52,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:30:52,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:30:52,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:30:52,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:30:52,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:30:52,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:30:52,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:30:52,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:30:52,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:30:52,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:30:52,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:30:52,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:30:52,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:30:52,417 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_510a9cc6-f6b3-4b1a-a795-eeb400487833/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:30:52,444 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:30:52,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:30:52,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:30:52,446 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:30:52,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:30:52,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:30:52,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:30:52,448 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:30:52,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:30:52,449 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:30:52,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:30:52,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:30:52,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:30:52,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:30:52,450 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:30:52,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:30:52,451 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:30:52,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:30:52,451 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:30:52,452 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:30:52,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:30:52,452 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:30:52,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:30:52,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:30:52,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:30:52,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:30:52,454 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:30:52,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:30:52,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:30:52,455 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_510a9cc6-f6b3-4b1a-a795-eeb400487833/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_510a9cc6-f6b3-4b1a-a795-eeb400487833/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40c2ba74d1f3e4aa3f4881cec0cfe2f78c41d8ce [2020-12-01 17:30:52,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:30:52,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:30:52,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:30:52,845 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:30:52,846 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:30:52,848 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_510a9cc6-f6b3-4b1a-a795-eeb400487833/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2020-12-01 17:30:52,931 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_510a9cc6-f6b3-4b1a-a795-eeb400487833/bin/ukojak/data/2ec43ca51/d04ce721b4364fb88124fa4f08b8d0b6/FLAGea3ecc450 [2020-12-01 17:30:53,686 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:30:53,687 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_510a9cc6-f6b3-4b1a-a795-eeb400487833/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2020-12-01 17:30:53,716 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_510a9cc6-f6b3-4b1a-a795-eeb400487833/bin/ukojak/data/2ec43ca51/d04ce721b4364fb88124fa4f08b8d0b6/FLAGea3ecc450 [2020-12-01 17:30:53,943 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_510a9cc6-f6b3-4b1a-a795-eeb400487833/bin/ukojak/data/2ec43ca51/d04ce721b4364fb88124fa4f08b8d0b6 [2020-12-01 17:30:53,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:30:53,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:30:53,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:30:53,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:30:53,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:30:53,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:30:53" (1/1) ... [2020-12-01 17:30:53,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e5faea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:53, skipping insertion in model container [2020-12-01 17:30:53,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:30:53" (1/1) ... [2020-12-01 17:30:53,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:30:54,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:30:54,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:30:54,485 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:30:54,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:30:54,689 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:30:54,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:54 WrapperNode [2020-12-01 17:30:54,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:30:54,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:30:54,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:30:54,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:30:54,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:54" (1/1) ... [2020-12-01 17:30:54,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:54" (1/1) ... [2020-12-01 17:30:54,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:30:54,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:30:54,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:30:54,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:30:54,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:54" (1/1) ... [2020-12-01 17:30:54,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:54" (1/1) ... [2020-12-01 17:30:54,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:54" (1/1) ... [2020-12-01 17:30:54,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:54" (1/1) ... [2020-12-01 17:30:54,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:54" (1/1) ... [2020-12-01 17:30:54,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:54" (1/1) ... [2020-12-01 17:30:54,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:54" (1/1) ... [2020-12-01 17:30:54,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:30:54,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:30:54,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:30:54,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:30:54,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:30:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_510a9cc6-f6b3-4b1a-a795-eeb400487833/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 [2020-12-01 17:30:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:30:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 17:30:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 17:30:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 17:30:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 17:30:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 17:30:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 17:30:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 17:30:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 17:30:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 17:30:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 17:30:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 17:30:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 17:30:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 17:30:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 17:30:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:30:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 17:30:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 17:30:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:30:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:30:56,781 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:30:56,782 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-12-01 17:30:56,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:30:56 BoogieIcfgContainer [2020-12-01 17:30:56,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:30:56,786 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:30:56,786 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:30:56,801 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:30:56,801 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:30:56" (1/1) ... [2020-12-01 17:30:56,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:30:56,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:30:56,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 78 transitions. [2020-12-01 17:30:56,887 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2020-12-01 17:30:56,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:30:56,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:30:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:30:57,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:30:57,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:30:57,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2020-12-01 17:30:57,321 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2020-12-01 17:30:57,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:30:57,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:30:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:30:57,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:30:57,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:30:57,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2020-12-01 17:30:57,580 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2020-12-01 17:30:57,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:30:57,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:30:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:30:57,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:30:57,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:30:57,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 97 transitions. [2020-12-01 17:30:57,969 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2020-12-01 17:30:57,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:30:57,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:30:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:30:58,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:30:58,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:30:58,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2020-12-01 17:30:58,145 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2020-12-01 17:30:58,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:30:58,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:30:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:30:58,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:30:58,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:30:58,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2020-12-01 17:30:58,307 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2020-12-01 17:30:58,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:30:58,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:30:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:30:58,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:30:59,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:30:59,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 87 states and 129 transitions. [2020-12-01 17:30:59,089 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2020-12-01 17:30:59,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:30:59,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:30:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:30:59,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:30:59,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:30:59,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 97 states and 150 transitions. [2020-12-01 17:30:59,947 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 150 transitions. [2020-12-01 17:30:59,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 17:30:59,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:30:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:00,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:31:00,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:00,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 98 states and 151 transitions. [2020-12-01 17:31:00,087 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 151 transitions. [2020-12-01 17:31:00,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 17:31:00,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:00,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:31:01,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:01,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 111 states and 180 transitions. [2020-12-01 17:31:01,226 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 180 transitions. [2020-12-01 17:31:01,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 17:31:01,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:01,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:31:01,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:01,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 112 states and 181 transitions. [2020-12-01 17:31:01,289 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 181 transitions. [2020-12-01 17:31:01,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 17:31:01,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:01,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:31:01,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:01,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 114 states and 186 transitions. [2020-12-01 17:31:01,703 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 186 transitions. [2020-12-01 17:31:01,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 17:31:01,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:01,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:31:01,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:01,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 112 states and 180 transitions. [2020-12-01 17:31:01,786 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2020-12-01 17:31:01,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:31:01,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:01,844 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:31:01,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:01,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 117 states and 189 transitions. [2020-12-01 17:31:01,982 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 189 transitions. [2020-12-01 17:31:01,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:31:01,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:02,099 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:31:02,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:02,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 118 states and 190 transitions. [2020-12-01 17:31:02,123 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 190 transitions. [2020-12-01 17:31:02,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:31:02,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:02,660 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:31:04,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:04,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 125 states and 211 transitions. [2020-12-01 17:31:04,162 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 211 transitions. [2020-12-01 17:31:04,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:31:04,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:04,216 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:31:04,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:04,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 128 states and 217 transitions. [2020-12-01 17:31:04,542 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 217 transitions. [2020-12-01 17:31:04,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 17:31:04,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:04,643 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:05,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:05,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 136 states and 245 transitions. [2020-12-01 17:31:05,987 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 245 transitions. [2020-12-01 17:31:05,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 17:31:05,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:06,043 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:07,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:07,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 150 states and 274 transitions. [2020-12-01 17:31:07,991 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 274 transitions. [2020-12-01 17:31:07,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 17:31:07,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:08,055 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:31:09,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:09,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 156 states and 289 transitions. [2020-12-01 17:31:09,309 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 289 transitions. [2020-12-01 17:31:09,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:31:09,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:09,373 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:31:09,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:09,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 157 states and 290 transitions. [2020-12-01 17:31:09,405 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 290 transitions. [2020-12-01 17:31:09,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-01 17:31:09,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:09,457 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 17:31:09,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:09,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 160 states and 295 transitions. [2020-12-01 17:31:09,480 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 295 transitions. [2020-12-01 17:31:09,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 17:31:09,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:09,539 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-12-01 17:31:09,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:09,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 161 states and 296 transitions. [2020-12-01 17:31:09,569 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 296 transitions. [2020-12-01 17:31:09,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 17:31:09,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:09,621 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 17:31:09,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:09,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 69 states and 85 transitions. [2020-12-01 17:31:09,643 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 85 transitions. [2020-12-01 17:31:09,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:31:09,644 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2020-12-01 17:31:09,652 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:31:09,968 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:31:09,974 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:31:09,975 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:31:09,975 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:31:09,975 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 17:31:09,981 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:31:09,981 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 17:31:09,984 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:31:09,984 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 17:31:09,988 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:31:09,988 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:31:09,988 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:31:09,989 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:31:09,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:31:09 ImpRootNode [2020-12-01 17:31:09,999 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:31:10,000 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:31:10,000 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:31:10,001 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:31:10,002 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:30:56" (3/4) ... [2020-12-01 17:31:10,006 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:31:10,026 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 17:31:10,026 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 17:31:10,026 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 17:31:10,027 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 17:31:10,027 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 17:31:10,027 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 17:31:10,028 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 17:31:10,028 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 17:31:10,039 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2020-12-01 17:31:10,045 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 17:31:10,046 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 17:31:10,048 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 17:31:10,049 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:31:10,049 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:31:10,050 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:31:10,091 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || !(1 == systemActive) [2020-12-01 17:31:10,093 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-12-01 17:31:10,163 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_510a9cc6-f6b3-4b1a-a795-eeb400487833/bin/ukojak/witness.graphml [2020-12-01 17:31:10,164 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:31:10,166 INFO L168 Benchmark]: Toolchain (without parser) took 16215.74 ms. Allocated memory was 86.0 MB in the beginning and 207.6 MB in the end (delta: 121.6 MB). Free memory was 49.5 MB in the beginning and 62.0 MB in the end (delta: -12.5 MB). Peak memory consumption was 107.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:31:10,166 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 86.0 MB. Free memory is still 66.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:31:10,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.98 ms. Allocated memory is still 86.0 MB. Free memory was 49.2 MB in the beginning and 52.8 MB in the end (delta: -3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:31:10,167 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.31 ms. Allocated memory is still 86.0 MB. Free memory was 52.8 MB in the beginning and 50.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:31:10,168 INFO L168 Benchmark]: Boogie Preprocessor took 57.11 ms. Allocated memory is still 86.0 MB. Free memory was 50.3 MB in the beginning and 48.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:31:10,169 INFO L168 Benchmark]: RCFGBuilder took 1936.83 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 48.4 MB in the beginning and 33.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:31:10,169 INFO L168 Benchmark]: CodeCheck took 13213.39 ms. Allocated memory was 111.1 MB in the beginning and 207.6 MB in the end (delta: 96.5 MB). Free memory was 33.4 MB in the beginning and 67.2 MB in the end (delta: -33.8 MB). Peak memory consumption was 62.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:31:10,170 INFO L168 Benchmark]: Witness Printer took 163.68 ms. Allocated memory is still 207.6 MB. Free memory was 67.2 MB in the beginning and 62.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:31:10,173 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 9 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.7s, OverallIterations: 24, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 190222692 SDtfs, 58269804 SDslu, 90882076 SDs, 0 SdLazy, 78416540 SolverSat, 21984500 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9454 GetRequests, 9277 SyntacticMatches, 9 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10741 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 955 NumberOfCodeBlocks, 955 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 932 ConstructedInterpolants, 0 QuantifiedInterpolants, 84735 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: 419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || !(1 == systemActive) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 86.0 MB. Free memory is still 66.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 736.98 ms. Allocated memory is still 86.0 MB. Free memory was 49.2 MB in the beginning and 52.8 MB in the end (delta: -3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.31 ms. Allocated memory is still 86.0 MB. Free memory was 52.8 MB in the beginning and 50.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.11 ms. Allocated memory is still 86.0 MB. Free memory was 50.3 MB in the beginning and 48.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1936.83 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 48.4 MB in the beginning and 33.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. * CodeCheck took 13213.39 ms. Allocated memory was 111.1 MB in the beginning and 207.6 MB in the end (delta: 96.5 MB). Free memory was 33.4 MB in the beginning and 67.2 MB in the end (delta: -33.8 MB). Peak memory consumption was 62.9 MB. Max. memory is 16.1 GB. * Witness Printer took 163.68 ms. Allocated memory is still 207.6 MB. Free memory was 67.2 MB in the beginning and 62.0 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...