./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.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_951d77d3-06bf-4fa3-a982-56e19c01bc1e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_951d77d3-06bf-4fa3-a982-56e19c01bc1e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_951d77d3-06bf-4fa3-a982-56e19c01bc1e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_951d77d3-06bf-4fa3-a982-56e19c01bc1e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_951d77d3-06bf-4fa3-a982-56e19c01bc1e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_951d77d3-06bf-4fa3-a982-56e19c01bc1e/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 caf966c06e7a2ed1fef83368f628eae41da528db .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:19:47,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:19:47,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:19:47,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:19:47,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:19:47,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:19:47,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:19:47,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:19:47,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:19:47,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:19:47,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:19:47,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:19:47,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:19:47,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:19:47,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:19:47,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:19:47,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:19:47,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:19:47,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:19:47,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:19:47,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:19:47,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:19:47,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:19:47,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:19:47,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:19:47,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:19:47,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:19:47,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:19:47,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:19:47,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:19:47,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:19:47,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:19:47,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:19:47,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:19:47,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:19:47,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:19:47,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:19:47,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:19:47,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:19:47,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:19:47,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:19:47,973 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_951d77d3-06bf-4fa3-a982-56e19c01bc1e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:19:48,001 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:19:48,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:19:48,003 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:19:48,003 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:19:48,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:19:48,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:19:48,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:19:48,006 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:19:48,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:19:48,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:19:48,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:19:48,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:19:48,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:19:48,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:19:48,010 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:19:48,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:19:48,011 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:19:48,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:19:48,012 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:19:48,012 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:19:48,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:19:48,013 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:19:48,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:19:48,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:19:48,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:19:48,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:19:48,014 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:19:48,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:19:48,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:19:48,015 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_951d77d3-06bf-4fa3-a982-56e19c01bc1e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_951d77d3-06bf-4fa3-a982-56e19c01bc1e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caf966c06e7a2ed1fef83368f628eae41da528db [2020-12-01 18:19:48,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:19:48,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:19:48,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:19:48,394 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:19:48,406 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:19:48,407 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_951d77d3-06bf-4fa3-a982-56e19c01bc1e/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2020-12-01 18:19:48,511 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_951d77d3-06bf-4fa3-a982-56e19c01bc1e/bin/ukojak/data/941c452ba/70c08324cfa6473cbad2bc013e17a44e/FLAGa89472b83 [2020-12-01 18:19:49,131 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:19:49,132 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_951d77d3-06bf-4fa3-a982-56e19c01bc1e/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2020-12-01 18:19:49,155 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_951d77d3-06bf-4fa3-a982-56e19c01bc1e/bin/ukojak/data/941c452ba/70c08324cfa6473cbad2bc013e17a44e/FLAGa89472b83 [2020-12-01 18:19:49,391 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_951d77d3-06bf-4fa3-a982-56e19c01bc1e/bin/ukojak/data/941c452ba/70c08324cfa6473cbad2bc013e17a44e [2020-12-01 18:19:49,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:19:49,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:19:49,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:19:49,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:19:49,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:19:49,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:19:49" (1/1) ... [2020-12-01 18:19:49,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a38a055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:49, skipping insertion in model container [2020-12-01 18:19:49,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:19:49" (1/1) ... [2020-12-01 18:19:49,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:19:49,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:19:49,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:19:49,923 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:19:50,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:19:50,094 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:19:50,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:50 WrapperNode [2020-12-01 18:19:50,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:19:50,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:19:50,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:19:50,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:19:50,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:50" (1/1) ... [2020-12-01 18:19:50,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:50" (1/1) ... [2020-12-01 18:19:50,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:19:50,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:19:50,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:19:50,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:19:50,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:50" (1/1) ... [2020-12-01 18:19:50,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:50" (1/1) ... [2020-12-01 18:19:50,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:50" (1/1) ... [2020-12-01 18:19:50,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:50" (1/1) ... [2020-12-01 18:19:50,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:50" (1/1) ... [2020-12-01 18:19:50,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:50" (1/1) ... [2020-12-01 18:19:50,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:50" (1/1) ... [2020-12-01 18:19:50,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:19:50,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:19:50,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:19:50,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:19:50,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:19:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_951d77d3-06bf-4fa3-a982-56e19c01bc1e/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 18:19:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:19:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 18:19:50,348 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 18:19:50,349 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 18:19:50,349 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 18:19:50,349 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 18:19:50,350 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 18:19:50,350 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 18:19:50,351 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 18:19:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-12-01 18:19:50,352 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-12-01 18:19:50,352 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 18:19:50,352 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 18:19:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:19:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 18:19:50,353 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 18:19:50,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:19:50,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:19:51,866 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:19:51,866 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-12-01 18:19:51,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:19:51 BoogieIcfgContainer [2020-12-01 18:19:51,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:19:51,869 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:19:51,869 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:19:51,880 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:19:51,880 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:19:51" (1/1) ... [2020-12-01 18:19:51,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:19:51,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:51,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2020-12-01 18:19:51,928 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2020-12-01 18:19:51,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:19:51,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:52,233 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 18:19:52,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:52,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2020-12-01 18:19:52,246 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-12-01 18:19:52,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:19:52,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:52,342 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 18:19:52,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:52,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2020-12-01 18:19:52,364 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2020-12-01 18:19:52,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:19:52,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:52,527 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 18:19:52,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:52,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 59 states and 79 transitions. [2020-12-01 18:19:52,705 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2020-12-01 18:19:52,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:19:52,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:52,834 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 18:19:53,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:53,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 93 transitions. [2020-12-01 18:19:53,139 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-12-01 18:19:53,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:19:53,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:53,210 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 18:19:53,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:53,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2020-12-01 18:19:53,237 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2020-12-01 18:19:53,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:19:53,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:53,331 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 18:19:53,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:53,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 95 transitions. [2020-12-01 18:19:53,352 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2020-12-01 18:19:53,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:19:53,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:53,511 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 18:19:54,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:54,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 83 states and 128 transitions. [2020-12-01 18:19:54,308 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2020-12-01 18:19:54,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 18:19:54,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:54,414 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 18:19:55,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:55,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 92 states and 148 transitions. [2020-12-01 18:19:55,057 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 148 transitions. [2020-12-01 18:19:55,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:19:55,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:55,106 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 18:19:55,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:55,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 93 states and 149 transitions. [2020-12-01 18:19:55,210 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 149 transitions. [2020-12-01 18:19:55,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:19:55,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:55,274 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 18:19:55,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:55,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 102 states and 167 transitions. [2020-12-01 18:19:55,544 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 167 transitions. [2020-12-01 18:19:55,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:19:55,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:55,606 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 18:19:55,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:55,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 103 states and 168 transitions. [2020-12-01 18:19:55,627 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 168 transitions. [2020-12-01 18:19:55,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:19:55,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:55,696 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 18:19:55,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:55,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 105 states and 169 transitions. [2020-12-01 18:19:55,857 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 169 transitions. [2020-12-01 18:19:55,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:19:55,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:55,927 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:19:56,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:56,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 111 states and 182 transitions. [2020-12-01 18:19:56,051 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 182 transitions. [2020-12-01 18:19:56,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:19:56,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:56,100 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:19:56,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:56,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 112 states and 183 transitions. [2020-12-01 18:19:56,121 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 183 transitions. [2020-12-01 18:19:56,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 18:19:56,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:56,172 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:19:56,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:56,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 113 states and 186 transitions. [2020-12-01 18:19:56,340 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 186 transitions. [2020-12-01 18:19:56,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 18:19:56,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:56,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:19:56,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:56,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 114 states and 189 transitions. [2020-12-01 18:19:56,422 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 189 transitions. [2020-12-01 18:19:56,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:19:56,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:56,483 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:19:56,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:56,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 117 states and 196 transitions. [2020-12-01 18:19:56,829 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 196 transitions. [2020-12-01 18:19:56,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:19:56,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:56,878 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:19:57,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:57,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 122 states and 203 transitions. [2020-12-01 18:19:57,087 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 203 transitions. [2020-12-01 18:19:57,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 18:19:57,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:57,146 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:19:57,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:57,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 123 states and 205 transitions. [2020-12-01 18:19:57,185 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 205 transitions. [2020-12-01 18:19:57,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 18:19:57,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:57,297 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 18:19:58,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:58,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 135 states and 238 transitions. [2020-12-01 18:19:58,131 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 238 transitions. [2020-12-01 18:19:58,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 18:19:58,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:58,464 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:20:00,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:00,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 143 states and 256 transitions. [2020-12-01 18:20:00,454 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 256 transitions. [2020-12-01 18:20:00,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 18:20:00,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:00,490 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 18:20:00,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:00,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 144 states and 257 transitions. [2020-12-01 18:20:00,506 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 257 transitions. [2020-12-01 18:20:00,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 18:20:00,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:00,540 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 18:20:00,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:00,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 145 states and 258 transitions. [2020-12-01 18:20:00,557 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 258 transitions. [2020-12-01 18:20:00,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 18:20:00,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:00,592 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 18:20:01,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:01,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 148 states and 261 transitions. [2020-12-01 18:20:01,326 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 261 transitions. [2020-12-01 18:20:01,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 18:20:01,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:01,365 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:20:02,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:02,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 151 states and 262 transitions. [2020-12-01 18:20:02,085 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 262 transitions. [2020-12-01 18:20:02,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 18:20:02,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:02,151 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:20:02,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:02,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 151 states and 259 transitions. [2020-12-01 18:20:02,600 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 259 transitions. [2020-12-01 18:20:02,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:20:02,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:02,643 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 18:20:02,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:02,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 157 states and 268 transitions. [2020-12-01 18:20:02,674 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 268 transitions. [2020-12-01 18:20:02,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 18:20:02,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:02,733 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 18:20:02,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:02,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 158 states and 268 transitions. [2020-12-01 18:20:02,748 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 268 transitions. [2020-12-01 18:20:02,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 18:20:02,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:02,785 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 18:20:02,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:02,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 159 states and 269 transitions. [2020-12-01 18:20:02,804 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 269 transitions. [2020-12-01 18:20:02,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 18:20:02,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:02,844 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 18:20:02,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:02,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 66 states and 93 transitions. [2020-12-01 18:20:02,861 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2020-12-01 18:20:02,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:20:02,862 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2020-12-01 18:20:02,870 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:20:03,088 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2020-12-01 18:20:03,098 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:20:03,098 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:20:03,098 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:20:03,098 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:20:03,098 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:20:03,099 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:20:03,099 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:20:03,101 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:20:03,101 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:20:03,101 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 18:20:03,102 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:20:03,102 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:20:03,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:20:03 ImpRootNode [2020-12-01 18:20:03,103 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:20:03,103 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:20:03,103 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:20:03,104 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:20:03,104 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:19:51" (3/4) ... [2020-12-01 18:20:03,107 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:20:03,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 18:20:03,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 18:20:03,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 18:20:03,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 18:20:03,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 18:20:03,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-12-01 18:20:03,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-12-01 18:20:03,120 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-12-01 18:20:03,121 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 18:20:03,121 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 18:20:03,122 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 18:20:03,122 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:20:03,123 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:20:03,125 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:20:03,149 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2020-12-01 18:20:03,190 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_951d77d3-06bf-4fa3-a982-56e19c01bc1e/bin/ukojak/witness.graphml [2020-12-01 18:20:03,190 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:20:03,192 INFO L168 Benchmark]: Toolchain (without parser) took 13795.55 ms. Allocated memory was 100.7 MB in the beginning and 218.1 MB in the end (delta: 117.4 MB). Free memory was 64.7 MB in the beginning and 100.7 MB in the end (delta: -36.1 MB). Peak memory consumption was 81.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:03,192 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 100.7 MB. Free memory was 73.3 MB in the beginning and 73.3 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:20:03,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.71 ms. Allocated memory is still 100.7 MB. Free memory was 64.4 MB in the beginning and 66.0 MB in the end (delta: -1.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:03,193 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.20 ms. Allocated memory is still 100.7 MB. Free memory was 66.0 MB in the beginning and 63.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:03,194 INFO L168 Benchmark]: Boogie Preprocessor took 52.55 ms. Allocated memory is still 100.7 MB. Free memory was 63.6 MB in the beginning and 61.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:03,194 INFO L168 Benchmark]: RCFGBuilder took 1643.42 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 61.9 MB in the beginning and 63.7 MB in the end (delta: -1.7 MB). Peak memory consumption was 34.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:03,195 INFO L168 Benchmark]: CodeCheck took 11233.39 ms. Allocated memory was 123.7 MB in the beginning and 218.1 MB in the end (delta: 94.4 MB). Free memory was 63.7 MB in the beginning and 106.0 MB in the end (delta: -42.3 MB). Peak memory consumption was 52.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:03,195 INFO L168 Benchmark]: Witness Printer took 87.01 ms. Allocated memory is still 218.1 MB. Free memory was 106.0 MB in the beginning and 100.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:20:03,198 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 8 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.9s, OverallIterations: 31, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -569686324 SDtfs, 786391900 SDslu, 633941132 SDs, 0 SdLazy, 161593692 SolverSat, -939450708 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8885 GetRequests, 8689 SyntacticMatches, 30 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11211 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 916 NumberOfCodeBlocks, 916 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 886 ConstructedInterpolants, 0 QuantifiedInterpolants, 69103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 26 PerfectInterpolantSequences, 230/247 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: 652]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 100.7 MB. Free memory was 73.3 MB in the beginning and 73.3 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 697.71 ms. Allocated memory is still 100.7 MB. Free memory was 64.4 MB in the beginning and 66.0 MB in the end (delta: -1.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.20 ms. Allocated memory is still 100.7 MB. Free memory was 66.0 MB in the beginning and 63.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.55 ms. Allocated memory is still 100.7 MB. Free memory was 63.6 MB in the beginning and 61.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1643.42 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 61.9 MB in the beginning and 63.7 MB in the end (delta: -1.7 MB). Peak memory consumption was 34.9 MB. Max. memory is 16.1 GB. * CodeCheck took 11233.39 ms. Allocated memory was 123.7 MB in the beginning and 218.1 MB in the end (delta: 94.4 MB). Free memory was 63.7 MB in the beginning and 106.0 MB in the end (delta: -42.3 MB). Peak memory consumption was 52.6 MB. Max. memory is 16.1 GB. * Witness Printer took 87.01 ms. Allocated memory is still 218.1 MB. Free memory was 106.0 MB in the beginning and 100.7 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...