./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.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_fa9bf9df-3ac7-44ff-bb61-6635617e0455/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fa9bf9df-3ac7-44ff-bb61-6635617e0455/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fa9bf9df-3ac7-44ff-bb61-6635617e0455/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fa9bf9df-3ac7-44ff-bb61-6635617e0455/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fa9bf9df-3ac7-44ff-bb61-6635617e0455/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fa9bf9df-3ac7-44ff-bb61-6635617e0455/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 7e56150b699b94e28c1c73525159cfeb9360ab0a ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:36:28,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:36:28,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:36:28,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:36:28,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:36:28,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:36:28,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:36:28,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:36:28,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:36:28,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:36:28,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:36:28,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:36:28,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:36:28,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:36:28,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:36:28,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:36:28,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:36:28,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:36:28,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:36:28,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:36:28,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:36:28,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:36:28,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:36:28,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:36:28,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:36:28,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:36:28,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:36:28,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:36:28,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:36:28,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:36:28,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:36:28,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:36:28,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:36:28,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:36:28,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:36:28,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:36:28,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:36:28,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:36:28,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:36:28,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:36:28,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:36:28,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fa9bf9df-3ac7-44ff-bb61-6635617e0455/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:36:28,976 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:36:28,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:36:28,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:36:28,977 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:36:28,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:36:28,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:36:28,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:36:28,979 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:36:28,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:36:28,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:36:28,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:36:28,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:36:28,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:36:28,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:36:28,981 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:36:28,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:36:28,982 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:36:28,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:36:28,982 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:36:28,982 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:36:28,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:36:28,983 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:36:28,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:36:28,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:36:28,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:36:28,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:36:28,984 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:36:28,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:36:28,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:36:28,985 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_fa9bf9df-3ac7-44ff-bb61-6635617e0455/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fa9bf9df-3ac7-44ff-bb61-6635617e0455/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e56150b699b94e28c1c73525159cfeb9360ab0a [2020-12-01 17:36:29,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:36:29,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:36:29,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:36:29,330 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:36:29,338 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:36:29,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fa9bf9df-3ac7-44ff-bb61-6635617e0455/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2020-12-01 17:36:29,422 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fa9bf9df-3ac7-44ff-bb61-6635617e0455/bin/ukojak/data/038ec05cb/faeada4745f64115b45414260db95807/FLAGea93ff004 [2020-12-01 17:36:29,975 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:36:29,976 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fa9bf9df-3ac7-44ff-bb61-6635617e0455/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2020-12-01 17:36:29,989 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fa9bf9df-3ac7-44ff-bb61-6635617e0455/bin/ukojak/data/038ec05cb/faeada4745f64115b45414260db95807/FLAGea93ff004 [2020-12-01 17:36:30,308 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fa9bf9df-3ac7-44ff-bb61-6635617e0455/bin/ukojak/data/038ec05cb/faeada4745f64115b45414260db95807 [2020-12-01 17:36:30,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:36:30,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:36:30,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:36:30,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:36:30,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:36:30,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:36:30" (1/1) ... [2020-12-01 17:36:30,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1ebd2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:30, skipping insertion in model container [2020-12-01 17:36:30,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:36:30" (1/1) ... [2020-12-01 17:36:30,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:36:30,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:36:30,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:36:30,812 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:36:30,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:36:30,997 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:36:30,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:30 WrapperNode [2020-12-01 17:36:30,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:36:30,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:36:30,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:36:31,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:36:31,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:30" (1/1) ... [2020-12-01 17:36:31,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:30" (1/1) ... [2020-12-01 17:36:31,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:36:31,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:36:31,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:36:31,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:36:31,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:30" (1/1) ... [2020-12-01 17:36:31,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:30" (1/1) ... [2020-12-01 17:36:31,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:30" (1/1) ... [2020-12-01 17:36:31,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:30" (1/1) ... [2020-12-01 17:36:31,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:30" (1/1) ... [2020-12-01 17:36:31,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:30" (1/1) ... [2020-12-01 17:36:31,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:30" (1/1) ... [2020-12-01 17:36:31,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:36:31,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:36:31,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:36:31,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:36:31,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:36:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fa9bf9df-3ac7-44ff-bb61-6635617e0455/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:36:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:36:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 17:36:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 17:36:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 17:36:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 17:36:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 17:36:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 17:36:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 17:36:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 17:36:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 17:36:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 17:36:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 17:36:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 17:36:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-12-01 17:36:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-12-01 17:36:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 17:36:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 17:36:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:36:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 17:36:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 17:36:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:36:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:36:32,879 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:36:32,879 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-12-01 17:36:32,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:36:32 BoogieIcfgContainer [2020-12-01 17:36:32,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:36:32,883 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:36:32,883 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:36:32,896 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:36:32,896 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:36:32" (1/1) ... [2020-12-01 17:36:32,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:36:32,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:32,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 68 states and 91 transitions. [2020-12-01 17:36:32,951 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2020-12-01 17:36:32,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:36:32,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:33,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:33,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:33,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 68 states and 89 transitions. [2020-12-01 17:36:33,208 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2020-12-01 17:36:33,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:36:33,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:33,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:33,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:33,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2020-12-01 17:36:33,436 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2020-12-01 17:36:33,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:36:33,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:33,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:33,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 80 states and 113 transitions. [2020-12-01 17:36:33,838 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2020-12-01 17:36:33,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:36:33,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:33,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:33,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:33,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 81 states and 114 transitions. [2020-12-01 17:36:33,927 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 114 transitions. [2020-12-01 17:36:33,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:36:33,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:34,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:34,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:34,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 82 states and 115 transitions. [2020-12-01 17:36:34,044 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2020-12-01 17:36:34,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:36:34,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:34,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:34,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:34,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 83 states and 116 transitions. [2020-12-01 17:36:34,213 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 116 transitions. [2020-12-01 17:36:34,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:36:34,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:34,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:35,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:35,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 100 states and 154 transitions. [2020-12-01 17:36:35,090 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 154 transitions. [2020-12-01 17:36:35,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:36:35,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:35,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:35,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 101 states and 155 transitions. [2020-12-01 17:36:35,248 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2020-12-01 17:36:35,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:36:35,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:35,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:36,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:36,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 120 states and 196 transitions. [2020-12-01 17:36:36,797 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 196 transitions. [2020-12-01 17:36:36,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:36:36,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:36,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:37,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:37,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 124 states and 202 transitions. [2020-12-01 17:36:37,033 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 202 transitions. [2020-12-01 17:36:37,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:36:37,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:37,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:37,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:37,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 129 states and 211 transitions. [2020-12-01 17:36:37,179 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 211 transitions. [2020-12-01 17:36:37,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 17:36:37,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:37,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:37,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:37,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 135 states and 225 transitions. [2020-12-01 17:36:37,521 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 225 transitions. [2020-12-01 17:36:37,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 17:36:37,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:37,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:37,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 138 states and 233 transitions. [2020-12-01 17:36:37,871 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 233 transitions. [2020-12-01 17:36:37,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 17:36:37,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:37,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:38,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:38,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 140 states and 238 transitions. [2020-12-01 17:36:38,254 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 238 transitions. [2020-12-01 17:36:38,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 17:36:38,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:38,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:38,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:38,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 138 states and 232 transitions. [2020-12-01 17:36:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 232 transitions. [2020-12-01 17:36:38,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:36:38,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:38,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:36:38,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:38,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 139 states and 233 transitions. [2020-12-01 17:36:38,420 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 233 transitions. [2020-12-01 17:36:38,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 17:36:38,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:38,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:36:38,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:38,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 143 states and 242 transitions. [2020-12-01 17:36:38,533 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 242 transitions. [2020-12-01 17:36:38,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 17:36:38,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:38,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:36:38,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:38,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 146 states and 250 transitions. [2020-12-01 17:36:38,840 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 250 transitions. [2020-12-01 17:36:38,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:36:38,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:38,888 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:36:39,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:39,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 155 states and 269 transitions. [2020-12-01 17:36:39,750 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 269 transitions. [2020-12-01 17:36:39,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 17:36:39,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:39,800 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:36:39,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:39,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 156 states and 270 transitions. [2020-12-01 17:36:39,823 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 270 transitions. [2020-12-01 17:36:39,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 17:36:39,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:40,283 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:36:41,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:41,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 159 states and 276 transitions. [2020-12-01 17:36:41,377 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 276 transitions. [2020-12-01 17:36:41,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:36:41,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:41,423 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:36:42,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:42,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 166 states and 292 transitions. [2020-12-01 17:36:42,143 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 292 transitions. [2020-12-01 17:36:42,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:36:42,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:42,190 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:36:42,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:42,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 167 states and 293 transitions. [2020-12-01 17:36:42,215 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 293 transitions. [2020-12-01 17:36:42,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:36:42,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:42,258 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:36:42,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:42,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 168 states and 294 transitions. [2020-12-01 17:36:42,280 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 294 transitions. [2020-12-01 17:36:42,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 17:36:42,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:42,331 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:36:42,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:42,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 175 states and 306 transitions. [2020-12-01 17:36:42,614 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 306 transitions. [2020-12-01 17:36:42,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:36:42,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:42,660 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:36:42,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:42,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 176 states and 306 transitions. [2020-12-01 17:36:42,676 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 306 transitions. [2020-12-01 17:36:42,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:36:42,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:42,731 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:36:42,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:42,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 177 states and 307 transitions. [2020-12-01 17:36:42,754 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 307 transitions. [2020-12-01 17:36:42,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:36:42,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:42,847 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:36:45,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:45,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 193 states and 350 transitions. [2020-12-01 17:36:45,105 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 350 transitions. [2020-12-01 17:36:45,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:36:45,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:45,183 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:36:47,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:47,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 205 states and 379 transitions. [2020-12-01 17:36:47,226 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 379 transitions. [2020-12-01 17:36:47,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:36:47,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:47,313 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:36:47,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:47,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 206 states and 379 transitions. [2020-12-01 17:36:47,331 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 379 transitions. [2020-12-01 17:36:47,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:36:47,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:47,413 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:36:47,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:47,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 207 states and 380 transitions. [2020-12-01 17:36:47,435 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 380 transitions. [2020-12-01 17:36:47,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:36:47,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:47,521 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:36:47,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:47,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 208 states and 381 transitions. [2020-12-01 17:36:47,543 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 381 transitions. [2020-12-01 17:36:47,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:36:47,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:47,580 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:36:47,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:47,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 211 states and 387 transitions. [2020-12-01 17:36:47,607 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 387 transitions. [2020-12-01 17:36:47,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 17:36:47,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:47,669 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 17:36:48,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:48,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 218 states and 396 transitions. [2020-12-01 17:36:48,165 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 396 transitions. [2020-12-01 17:36:48,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 17:36:48,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:48,209 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 17:36:48,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:48,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 219 states and 397 transitions. [2020-12-01 17:36:48,232 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 397 transitions. [2020-12-01 17:36:48,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 17:36:48,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:48,277 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 17:36:48,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:48,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 221 states and 401 transitions. [2020-12-01 17:36:48,897 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 401 transitions. [2020-12-01 17:36:48,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 17:36:48,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:48,937 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:36:49,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:49,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 226 states and 411 transitions. [2020-12-01 17:36:49,112 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 411 transitions. [2020-12-01 17:36:49,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 17:36:49,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:49,156 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:36:50,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:50,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 232 states and 425 transitions. [2020-12-01 17:36:50,328 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 425 transitions. [2020-12-01 17:36:50,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 17:36:50,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:50,364 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:36:50,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:50,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 239 states and 436 transitions. [2020-12-01 17:36:50,837 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 436 transitions. [2020-12-01 17:36:50,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 17:36:50,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:50,885 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:36:50,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:50,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 240 states and 437 transitions. [2020-12-01 17:36:50,900 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 437 transitions. [2020-12-01 17:36:50,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 17:36:50,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:51,010 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:36:51,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:51,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 241 states and 438 transitions. [2020-12-01 17:36:51,043 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 438 transitions. [2020-12-01 17:36:51,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 17:36:51,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:51,100 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:36:51,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:51,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 242 states and 441 transitions. [2020-12-01 17:36:51,565 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 441 transitions. [2020-12-01 17:36:51,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 17:36:51,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:51,602 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:36:51,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:51,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 243 states and 442 transitions. [2020-12-01 17:36:51,648 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 442 transitions. [2020-12-01 17:36:51,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 17:36:51,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:51,694 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:36:51,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:51,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 244 states and 443 transitions. [2020-12-01 17:36:51,753 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 443 transitions. [2020-12-01 17:36:51,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 17:36:51,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:51,803 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:36:52,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:52,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 246 states and 447 transitions. [2020-12-01 17:36:52,016 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 447 transitions. [2020-12-01 17:36:52,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 17:36:52,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:52,062 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:36:52,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 247 states and 450 transitions. [2020-12-01 17:36:52,459 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 450 transitions. [2020-12-01 17:36:52,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:36:52,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:52,503 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:36:52,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:52,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 252 states and 461 transitions. [2020-12-01 17:36:52,784 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 461 transitions. [2020-12-01 17:36:52,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:36:52,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:52,819 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:36:53,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:53,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 255 states and 468 transitions. [2020-12-01 17:36:53,407 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 468 transitions. [2020-12-01 17:36:53,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 17:36:53,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:53,442 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:36:53,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:53,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 256 states and 469 transitions. [2020-12-01 17:36:53,455 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 469 transitions. [2020-12-01 17:36:53,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 17:36:53,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:53,490 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:36:53,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:53,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 257 states and 470 transitions. [2020-12-01 17:36:53,513 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 470 transitions. [2020-12-01 17:36:53,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:36:53,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:53,551 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:36:53,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:53,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 260 states and 474 transitions. [2020-12-01 17:36:53,573 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 474 transitions. [2020-12-01 17:36:53,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:36:53,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:53,610 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:36:53,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:53,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 261 states and 475 transitions. [2020-12-01 17:36:53,626 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 475 transitions. [2020-12-01 17:36:53,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 17:36:53,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:53,661 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:36:55,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:55,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 270 states and 492 transitions. [2020-12-01 17:36:55,267 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 492 transitions. [2020-12-01 17:36:55,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 17:36:55,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:55,315 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:36:55,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:55,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 271 states and 493 transitions. [2020-12-01 17:36:55,342 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 493 transitions. [2020-12-01 17:36:55,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 17:36:55,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:55,388 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:36:55,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:55,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 272 states and 494 transitions. [2020-12-01 17:36:55,440 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 494 transitions. [2020-12-01 17:36:55,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 17:36:55,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:55,486 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:36:55,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:55,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 275 states and 499 transitions. [2020-12-01 17:36:55,514 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 499 transitions. [2020-12-01 17:36:55,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 17:36:55,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:55,562 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:36:55,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:55,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 276 states and 500 transitions. [2020-12-01 17:36:55,602 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 500 transitions. [2020-12-01 17:36:55,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 17:36:55,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:36:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:36:55,650 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:36:55,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:36:55,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 109 states and 143 transitions. [2020-12-01 17:36:55,679 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 143 transitions. [2020-12-01 17:36:55,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:36:55,680 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 59 iterations. [2020-12-01 17:36:55,689 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:36:56,215 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 17:36:56,225 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-12-01 17:36:56,227 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:36:56,227 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:36:56,228 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:36:56,228 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:36:56,228 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:36:56,228 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 17:36:56,229 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:36:56,229 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-12-01 17:36:56,230 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:36:56,230 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:36:56,231 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:36:56,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:36:56 ImpRootNode [2020-12-01 17:36:56,231 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:36:56,232 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:36:56,232 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:36:56,233 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:36:56,233 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:36:32" (3/4) ... [2020-12-01 17:36:56,237 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:36:56,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 17:36:56,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 17:36:56,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 17:36:56,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 17:36:56,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 17:36:56,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 17:36:56,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 17:36:56,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-12-01 17:36:56,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-12-01 17:36:56,256 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2020-12-01 17:36:56,257 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-12-01 17:36:56,257 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 17:36:56,258 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 17:36:56,259 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:36:56,260 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:36:56,261 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:36:56,292 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && !(1 == systemActive)) || (!(pumpRunning == 0) && 1 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) [2020-12-01 17:36:56,293 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-12-01 17:36:56,352 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fa9bf9df-3ac7-44ff-bb61-6635617e0455/bin/ukojak/witness.graphml [2020-12-01 17:36:56,352 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:36:56,354 INFO L168 Benchmark]: Toolchain (without parser) took 26039.50 ms. Allocated memory was 119.5 MB in the beginning and 388.0 MB in the end (delta: 268.4 MB). Free memory was 89.2 MB in the beginning and 134.2 MB in the end (delta: -45.0 MB). Peak memory consumption was 223.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:36:56,355 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory is still 43.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:36:56,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.63 ms. Allocated memory is still 119.5 MB. Free memory was 89.0 MB in the beginning and 85.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:36:56,356 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.42 ms. Allocated memory is still 119.5 MB. Free memory was 85.9 MB in the beginning and 83.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:36:56,356 INFO L168 Benchmark]: Boogie Preprocessor took 62.94 ms. Allocated memory is still 119.5 MB. Free memory was 83.9 MB in the beginning and 81.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:36:56,357 INFO L168 Benchmark]: RCFGBuilder took 1718.64 ms. Allocated memory is still 119.5 MB. Free memory was 81.8 MB in the beginning and 72.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:36:56,357 INFO L168 Benchmark]: CodeCheck took 23348.52 ms. Allocated memory was 119.5 MB in the beginning and 388.0 MB in the end (delta: 268.4 MB). Free memory was 72.6 MB in the beginning and 140.5 MB in the end (delta: -67.9 MB). Peak memory consumption was 202.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:36:56,357 INFO L168 Benchmark]: Witness Printer took 120.43 ms. Allocated memory is still 388.0 MB. Free memory was 140.5 MB in the beginning and 134.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:36:56,359 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.7s, OverallIterations: 59, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1295448636 SDtfs, -1276037492 SDslu, -437615588 SDs, 0 SdLazy, -418862916 SolverSat, 444254548 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 65.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27719 GetRequests, 27429 SyntacticMatches, 26 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30635 ImplicationChecksByTransitivity, 15.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 2717 NumberOfCodeBlocks, 2717 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 2659 ConstructedInterpolants, 0 QuantifiedInterpolants, 250572 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 58 InterpolantComputations, 49 PerfectInterpolantSequences, 985/1027 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: 345]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && !(1 == systemActive)) || (!(pumpRunning == 0) && 1 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory is still 43.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 681.63 ms. Allocated memory is still 119.5 MB. Free memory was 89.0 MB in the beginning and 85.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.42 ms. Allocated memory is still 119.5 MB. Free memory was 85.9 MB in the beginning and 83.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.94 ms. Allocated memory is still 119.5 MB. Free memory was 83.9 MB in the beginning and 81.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1718.64 ms. Allocated memory is still 119.5 MB. Free memory was 81.8 MB in the beginning and 72.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. * CodeCheck took 23348.52 ms. Allocated memory was 119.5 MB in the beginning and 388.0 MB in the end (delta: 268.4 MB). Free memory was 72.6 MB in the beginning and 140.5 MB in the end (delta: -67.9 MB). Peak memory consumption was 202.2 MB. Max. memory is 16.1 GB. * Witness Printer took 120.43 ms. Allocated memory is still 388.0 MB. Free memory was 140.5 MB in the beginning and 134.2 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...