./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product45.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_be36719a-6b21-483b-823f-cfaea702732a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_be36719a-6b21-483b-823f-cfaea702732a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_be36719a-6b21-483b-823f-cfaea702732a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_be36719a-6b21-483b-823f-cfaea702732a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_be36719a-6b21-483b-823f-cfaea702732a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_be36719a-6b21-483b-823f-cfaea702732a/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 9648b26a5ec4f9065ef62bcefcc0539fba2412ec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:44:30,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:30,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:30,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:30,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:30,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:30,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:30,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:30,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:30,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:30,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:30,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:30,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:30,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:30,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:30,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:30,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:30,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:30,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:30,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:30,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:30,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:30,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:30,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:30,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:30,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:30,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:30,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:30,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:30,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:30,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:30,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:30,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:30,996 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:30,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:30,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:30,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:30,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:30,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:31,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:31,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:31,003 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_be36719a-6b21-483b-823f-cfaea702732a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:44:31,046 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:31,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:31,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:31,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:31,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:31,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:31,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:31,049 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:31,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:31,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:31,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:31,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:31,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:31,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:31,052 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:31,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:31,052 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:31,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:31,053 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:31,053 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:31,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:31,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:31,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:31,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:31,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:31,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:31,055 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:31,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:31,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:31,056 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_be36719a-6b21-483b-823f-cfaea702732a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_be36719a-6b21-483b-823f-cfaea702732a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9648b26a5ec4f9065ef62bcefcc0539fba2412ec [2020-11-28 04:44:31,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:31,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:31,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:31,346 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:31,350 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:31,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_be36719a-6b21-483b-823f-cfaea702732a/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2020-11-28 04:44:31,430 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be36719a-6b21-483b-823f-cfaea702732a/bin/ukojak/data/6d878897f/40f2faada93d4cb2a73a378e574e866b/FLAG4fb35a9b9 [2020-11-28 04:44:32,033 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:32,034 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_be36719a-6b21-483b-823f-cfaea702732a/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2020-11-28 04:44:32,045 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be36719a-6b21-483b-823f-cfaea702732a/bin/ukojak/data/6d878897f/40f2faada93d4cb2a73a378e574e866b/FLAG4fb35a9b9 [2020-11-28 04:44:32,350 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_be36719a-6b21-483b-823f-cfaea702732a/bin/ukojak/data/6d878897f/40f2faada93d4cb2a73a378e574e866b [2020-11-28 04:44:32,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:32,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:32,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:32,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:32,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:32,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:32,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61841c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32, skipping insertion in model container [2020-11-28 04:44:32,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:32,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:32,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:32,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:32,863 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:32,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:32,994 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:32,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32 WrapperNode [2020-11-28 04:44:32,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:32,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:32,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:32,996 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:33,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:33,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:33,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:33,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:33,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:33,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:33,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:33,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:33,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:33,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:33,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:33,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:33,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... [2020-11-28 04:44:33,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:33,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:33,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:33,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:33,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be36719a-6b21-483b-823f-cfaea702732a/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:44:33,171 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:44:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:44:33,172 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:44:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:44:33,173 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:44:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:44:33,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:44:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:44:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:44:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:44:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:44:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-28 04:44:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-28 04:44:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:44:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:44:33,178 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:44:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:33,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:34,454 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:34,455 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-28 04:44:34,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:34 BoogieIcfgContainer [2020-11-28 04:44:34,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:34,458 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:34,458 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:34,468 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:34,469 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:34" (1/1) ... [2020-11-28 04:44:34,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:34,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:34,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2020-11-28 04:44:34,537 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2020-11-28 04:44:34,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:44:34,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:34,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:34,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:34,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2020-11-28 04:44:34,888 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2020-11-28 04:44:34,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:44:34,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:35,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:35,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:35,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 81 transitions. [2020-11-28 04:44:35,068 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2020-11-28 04:44:35,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 04:44:35,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:35,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:35,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:35,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 72 states and 98 transitions. [2020-11-28 04:44:35,376 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2020-11-28 04:44:35,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:44:35,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:35,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:35,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:35,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 73 states and 99 transitions. [2020-11-28 04:44:35,453 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2020-11-28 04:44:35,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:44:35,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:35,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:35,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:35,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2020-11-28 04:44:35,521 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2020-11-28 04:44:35,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:44:35,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:35,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:36,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:36,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 86 states and 124 transitions. [2020-11-28 04:44:36,200 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 124 transitions. [2020-11-28 04:44:36,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:44:36,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:36,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:37,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:37,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 101 states and 155 transitions. [2020-11-28 04:44:37,338 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2020-11-28 04:44:37,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:44:37,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:37,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:37,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:37,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 102 states and 158 transitions. [2020-11-28 04:44:37,589 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 158 transitions. [2020-11-28 04:44:37,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:44:37,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:37,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:38,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:38,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 110 states and 172 transitions. [2020-11-28 04:44:38,382 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 172 transitions. [2020-11-28 04:44:38,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:44:38,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:38,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:44:40,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:40,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 122 states and 199 transitions. [2020-11-28 04:44:40,609 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 199 transitions. [2020-11-28 04:44:40,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-28 04:44:40,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:41,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:44:42,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:42,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 124 states and 200 transitions. [2020-11-28 04:44:42,875 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 200 transitions. [2020-11-28 04:44:42,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:44:42,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:42,936 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:43,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:43,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 129 states and 211 transitions. [2020-11-28 04:44:43,288 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 211 transitions. [2020-11-28 04:44:43,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:44:43,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:43,356 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:43,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:43,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 130 states and 214 transitions. [2020-11-28 04:44:43,381 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 214 transitions. [2020-11-28 04:44:43,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:44:43,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:43,449 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:43,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:43,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 132 states and 217 transitions. [2020-11-28 04:44:43,619 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 217 transitions. [2020-11-28 04:44:43,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:44:43,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:44:44,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 135 states and 227 transitions. [2020-11-28 04:44:44,975 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 227 transitions. [2020-11-28 04:44:44,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:44:44,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:45,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 138 states and 233 transitions. [2020-11-28 04:44:45,413 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 233 transitions. [2020-11-28 04:44:45,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-28 04:44:45,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:45,471 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:45,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 141 states and 239 transitions. [2020-11-28 04:44:45,851 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 239 transitions. [2020-11-28 04:44:45,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-28 04:44:45,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:45,916 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-28 04:44:45,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 142 states and 239 transitions. [2020-11-28 04:44:45,947 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 239 transitions. [2020-11-28 04:44:45,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-28 04:44:45,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:45,997 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 04:44:47,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:47,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 148 states and 258 transitions. [2020-11-28 04:44:47,382 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 258 transitions. [2020-11-28 04:44:47,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-28 04:44:47,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:47,441 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-28 04:44:47,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:47,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 151 states and 264 transitions. [2020-11-28 04:44:47,598 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 264 transitions. [2020-11-28 04:44:47,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-28 04:44:47,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:47,639 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 04:44:49,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:49,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 158 states and 282 transitions. [2020-11-28 04:44:49,834 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 282 transitions. [2020-11-28 04:44:49,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-28 04:44:49,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:49,880 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-11-28 04:44:49,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:49,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 159 states and 283 transitions. [2020-11-28 04:44:49,913 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 283 transitions. [2020-11-28 04:44:49,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-28 04:44:49,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:49,957 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-11-28 04:44:49,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:49,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 160 states and 284 transitions. [2020-11-28 04:44:49,992 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 284 transitions. [2020-11-28 04:44:49,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-28 04:44:49,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:50,045 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-28 04:44:50,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:50,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 161 states and 287 transitions. [2020-11-28 04:44:50,455 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 287 transitions. [2020-11-28 04:44:50,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-28 04:44:50,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:50,504 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 04:44:50,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:50,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 162 states and 288 transitions. [2020-11-28 04:44:50,717 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 288 transitions. [2020-11-28 04:44:50,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-28 04:44:50,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:50,758 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 04:44:51,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:51,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 162 states and 285 transitions. [2020-11-28 04:44:51,382 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 285 transitions. [2020-11-28 04:44:51,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-28 04:44:51,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:51,422 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-28 04:44:52,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:52,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 176 states and 305 transitions. [2020-11-28 04:44:52,013 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 305 transitions. [2020-11-28 04:44:52,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-28 04:44:52,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:52,317 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-28 04:44:53,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:53,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 176 states and 300 transitions. [2020-11-28 04:44:53,177 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 300 transitions. [2020-11-28 04:44:53,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-28 04:44:53,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:53,455 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-28 04:44:54,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:54,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 176 states and 298 transitions. [2020-11-28 04:44:54,338 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 298 transitions. [2020-11-28 04:44:54,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-28 04:44:54,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:54,378 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-11-28 04:44:54,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:54,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 182 states and 310 transitions. [2020-11-28 04:44:54,805 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 310 transitions. [2020-11-28 04:44:54,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-28 04:44:54,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:54,852 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-11-28 04:44:54,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:54,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 183 states and 311 transitions. [2020-11-28 04:44:54,875 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 311 transitions. [2020-11-28 04:44:54,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-28 04:44:54,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:54,924 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-11-28 04:44:54,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:54,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 185 states and 314 transitions. [2020-11-28 04:44:54,978 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 314 transitions. [2020-11-28 04:44:54,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-11-28 04:44:54,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:55,035 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-11-28 04:44:55,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:55,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 186 states and 315 transitions. [2020-11-28 04:44:55,059 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 315 transitions. [2020-11-28 04:44:55,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-11-28 04:44:55,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:55,116 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-11-28 04:44:56,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:56,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 186 states and 313 transitions. [2020-11-28 04:44:56,825 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 313 transitions. [2020-11-28 04:44:56,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-11-28 04:44:56,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:56,877 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-11-28 04:44:57,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:57,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 116 states and 163 transitions. [2020-11-28 04:44:57,765 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 163 transitions. [2020-11-28 04:44:57,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:44:57,766 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2020-11-28 04:44:57,774 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:44:58,459 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:58,463 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:58,464 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-28 04:44:58,468 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:58,468 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:58,468 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2020-11-28 04:44:58,469 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:58,470 INFO L569 CodeCheckObserver]: Invariant with dag size 6 [2020-11-28 04:44:58,470 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-28 04:44:58,471 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:44:58,472 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:44:58,472 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:58,472 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:58,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:44:58 ImpRootNode [2020-11-28 04:44:58,473 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:44:58,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:44:58,474 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:44:58,474 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:44:58,474 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:34" (3/4) ... [2020-11-28 04:44:58,478 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:44:58,499 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:44:58,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:44:58,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:44:58,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:44:58,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:44:58,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:44:58,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:44:58,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-28 04:44:58,509 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2020-11-28 04:44:58,513 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 04:44:58,513 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:44:58,514 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:44:58,514 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:44:58,515 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:44:58,516 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:44:58,542 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2020-11-28 04:44:58,545 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-28 04:44:58,610 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_be36719a-6b21-483b-823f-cfaea702732a/bin/ukojak/witness.graphml [2020-11-28 04:44:58,610 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:44:58,612 INFO L168 Benchmark]: Toolchain (without parser) took 26247.08 ms. Allocated memory was 117.4 MB in the beginning and 423.6 MB in the end (delta: 306.2 MB). Free memory was 88.0 MB in the beginning and 330.4 MB in the end (delta: -242.3 MB). Peak memory consumption was 63.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:58,613 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory was 41.4 MB in the beginning and 41.3 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:58,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.62 ms. Allocated memory is still 117.4 MB. Free memory was 87.4 MB in the beginning and 85.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:58,614 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.80 ms. Allocated memory is still 117.4 MB. Free memory was 85.4 MB in the beginning and 82.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:58,614 INFO L168 Benchmark]: Boogie Preprocessor took 38.22 ms. Allocated memory is still 117.4 MB. Free memory was 82.8 MB in the beginning and 80.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:58,615 INFO L168 Benchmark]: RCFGBuilder took 1355.79 ms. Allocated memory is still 117.4 MB. Free memory was 80.7 MB in the beginning and 73.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:58,615 INFO L168 Benchmark]: CodeCheck took 24015.10 ms. Allocated memory was 117.4 MB in the beginning and 423.6 MB in the end (delta: 306.2 MB). Free memory was 73.9 MB in the beginning and 336.7 MB in the end (delta: -262.7 MB). Peak memory consumption was 238.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:58,615 INFO L168 Benchmark]: Witness Printer took 136.89 ms. Allocated memory is still 423.6 MB. Free memory was 336.7 MB in the beginning and 330.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:58,618 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, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.2s, OverallIterations: 36, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1412219800 SDtfs, 1870806866 SDslu, -123643268 SDs, 0 SdLazy, -1007409798 SolverSat, -815354952 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 34.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20025 GetRequests, 19700 SyntacticMatches, 32 SemanticMatches, 293 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36029 ImplicationChecksByTransitivity, 18.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 2035 NumberOfCodeBlocks, 2035 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 2000 ConstructedInterpolants, 0 QuantifiedInterpolants, 235290 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 25 PerfectInterpolantSequences, 1056/1105 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: 691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: ((!(splverifierCounter == 0) || methaneLevelCritical == 0) || 0 == systemActive) || pumpRunning == 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && tmp == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: methaneLevelCritical == 0 || pumpRunning == 0 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive - InvariantResult [Line: 788]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory was 41.4 MB in the beginning and 41.3 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 624.62 ms. Allocated memory is still 117.4 MB. Free memory was 87.4 MB in the beginning and 85.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.80 ms. Allocated memory is still 117.4 MB. Free memory was 85.4 MB in the beginning and 82.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.22 ms. Allocated memory is still 117.4 MB. Free memory was 82.8 MB in the beginning and 80.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1355.79 ms. Allocated memory is still 117.4 MB. Free memory was 80.7 MB in the beginning and 73.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. * CodeCheck took 24015.10 ms. Allocated memory was 117.4 MB in the beginning and 423.6 MB in the end (delta: 306.2 MB). Free memory was 73.9 MB in the beginning and 336.7 MB in the end (delta: -262.7 MB). Peak memory consumption was 238.0 MB. Max. memory is 16.1 GB. * Witness Printer took 136.89 ms. Allocated memory is still 423.6 MB. Free memory was 336.7 MB in the beginning and 330.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...