./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5c8ee2c2-e9fb-44f1-a59a-8a96f88db33f/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5c8ee2c2-e9fb-44f1-a59a-8a96f88db33f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5c8ee2c2-e9fb-44f1-a59a-8a96f88db33f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5c8ee2c2-e9fb-44f1-a59a-8a96f88db33f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5c8ee2c2-e9fb-44f1-a59a-8a96f88db33f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5c8ee2c2-e9fb-44f1-a59a-8a96f88db33f/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 e5bb50ae68610f68f43b93d5545ed6b596dfa5e8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:44:42,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:42,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:42,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:42,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:42,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:42,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:42,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:42,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:42,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:42,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:42,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:42,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:42,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:42,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:42,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:42,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:42,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:42,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:42,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:42,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:42,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:42,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:42,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:42,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:42,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:42,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:42,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:42,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:42,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:42,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:42,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:42,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:42,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:42,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:42,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:42,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:42,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:42,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:42,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:42,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:42,926 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5c8ee2c2-e9fb-44f1-a59a-8a96f88db33f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:44:42,960 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:42,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:42,963 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:42,963 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:42,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:42,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:42,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:42,965 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:42,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:42,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:42,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:42,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:42,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:42,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:42,967 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:42,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:42,968 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:42,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:42,968 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:42,968 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:42,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:42,969 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:42,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:42,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:42,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:42,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:42,970 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:42,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:42,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:42,972 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_5c8ee2c2-e9fb-44f1-a59a-8a96f88db33f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5c8ee2c2-e9fb-44f1-a59a-8a96f88db33f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5bb50ae68610f68f43b93d5545ed6b596dfa5e8 [2020-11-28 04:44:43,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:43,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:43,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:43,318 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:43,319 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:43,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5c8ee2c2-e9fb-44f1-a59a-8a96f88db33f/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2020-11-28 04:44:43,379 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5c8ee2c2-e9fb-44f1-a59a-8a96f88db33f/bin/ukojak/data/fab7d3f0f/e8596b6b7a0044f2839a63e27695e0c6/FLAGd090d7090 [2020-11-28 04:44:43,933 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:43,934 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5c8ee2c2-e9fb-44f1-a59a-8a96f88db33f/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2020-11-28 04:44:43,965 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5c8ee2c2-e9fb-44f1-a59a-8a96f88db33f/bin/ukojak/data/fab7d3f0f/e8596b6b7a0044f2839a63e27695e0c6/FLAGd090d7090 [2020-11-28 04:44:44,246 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5c8ee2c2-e9fb-44f1-a59a-8a96f88db33f/bin/ukojak/data/fab7d3f0f/e8596b6b7a0044f2839a63e27695e0c6 [2020-11-28 04:44:44,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:44,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:44,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:44,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:44,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:44,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:44,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a0fbf59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44, skipping insertion in model container [2020-11-28 04:44:44,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:44,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:44,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:44,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:44,755 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:44,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:44,918 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:44,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44 WrapperNode [2020-11-28 04:44:44,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:44,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:44,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:44,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:44,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:44,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:44,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:44,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:44,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:44,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:44,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:44,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:45,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:45,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:45,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:45,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:45,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:45,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:45,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:45,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:45,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:45,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5c8ee2c2-e9fb-44f1-a59a-8a96f88db33f/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:44:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:44:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:44:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:44:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:44:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:44:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:44:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:44:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:44:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:44:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:44:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:44:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:44:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:44:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:44:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:44:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:44:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:46,323 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:46,324 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-28 04:44:46,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:46 BoogieIcfgContainer [2020-11-28 04:44:46,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:46,327 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:46,327 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:46,336 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:46,336 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:46" (1/1) ... [2020-11-28 04:44:46,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:46,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:46,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2020-11-28 04:44:46,398 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2020-11-28 04:44:46,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:44:46,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:46,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:46,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:46,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2020-11-28 04:44:46,645 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2020-11-28 04:44:46,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:44:46,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:46,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:46,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:46,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 67 states and 90 transitions. [2020-11-28 04:44:46,849 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2020-11-28 04:44:46,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:44:46,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:46,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:46,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:46,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2020-11-28 04:44:46,985 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2020-11-28 04:44:46,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:44:46,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:47,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:47,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:47,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 78 states and 112 transitions. [2020-11-28 04:44:47,309 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2020-11-28 04:44:47,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:44:47,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:47,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:47,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:47,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 79 states and 113 transitions. [2020-11-28 04:44:47,405 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2020-11-28 04:44:47,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:44:47,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:47,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:48,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:48,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 96 states and 150 transitions. [2020-11-28 04:44:48,107 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 150 transitions. [2020-11-28 04:44:48,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:44:48,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:48,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:48,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:48,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 97 states and 151 transitions. [2020-11-28 04:44:48,183 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 151 transitions. [2020-11-28 04:44:48,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:44:48,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:48,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:49,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:49,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 116 states and 191 transitions. [2020-11-28 04:44:49,625 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2020-11-28 04:44:49,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:44:49,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:49,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:49,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:49,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 120 states and 197 transitions. [2020-11-28 04:44:49,811 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 197 transitions. [2020-11-28 04:44:49,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:44:49,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:49,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:49,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:49,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 125 states and 207 transitions. [2020-11-28 04:44:49,918 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 207 transitions. [2020-11-28 04:44:49,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:44:49,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:49,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:50,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:50,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 128 states and 212 transitions. [2020-11-28 04:44:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 212 transitions. [2020-11-28 04:44:50,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 04:44:50,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:50,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:50,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:50,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 131 states and 219 transitions. [2020-11-28 04:44:50,348 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 219 transitions. [2020-11-28 04:44:50,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:44:50,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:50,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:44:50,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:50,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 134 states and 226 transitions. [2020-11-28 04:44:50,557 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 226 transitions. [2020-11-28 04:44:50,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:44:50,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:50,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:44:50,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:50,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 138 states and 236 transitions. [2020-11-28 04:44:50,652 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 236 transitions. [2020-11-28 04:44:50,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:44:50,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:50,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:50,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:50,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 144 states and 251 transitions. [2020-11-28 04:44:50,903 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 251 transitions. [2020-11-28 04:44:50,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:44:50,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:51,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:51,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:51,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 146 states and 256 transitions. [2020-11-28 04:44:51,261 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 256 transitions. [2020-11-28 04:44:51,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:44:51,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:51,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:51,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 144 states and 250 transitions. [2020-11-28 04:44:51,319 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 250 transitions. [2020-11-28 04:44:51,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:44:51,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:51,351 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:51,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:51,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 153 states and 268 transitions. [2020-11-28 04:44:51,977 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 268 transitions. [2020-11-28 04:44:51,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:44:51,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:52,290 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:44:53,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:53,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 156 states and 275 transitions. [2020-11-28 04:44:53,100 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 275 transitions. [2020-11-28 04:44:53,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:44:53,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:53,133 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:53,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:53,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 157 states and 278 transitions. [2020-11-28 04:44:53,371 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 278 transitions. [2020-11-28 04:44:53,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:44:53,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:53,425 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:54,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:54,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 164 states and 293 transitions. [2020-11-28 04:44:54,083 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 293 transitions. [2020-11-28 04:44:54,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:44:54,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:54,137 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:44:54,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:54,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 165 states and 293 transitions. [2020-11-28 04:44:54,807 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 293 transitions. [2020-11-28 04:44:54,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:44:54,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:54,838 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:54,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:54,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 166 states and 295 transitions. [2020-11-28 04:44:54,872 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 295 transitions. [2020-11-28 04:44:54,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:44:54,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:54,903 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:54,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:54,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 167 states and 297 transitions. [2020-11-28 04:44:54,928 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 297 transitions. [2020-11-28 04:44:54,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:44:54,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:54,961 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:55,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:55,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 175 states and 309 transitions. [2020-11-28 04:44:55,230 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 309 transitions. [2020-11-28 04:44:55,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:44:55,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:55,267 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:44:57,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:57,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 192 states and 351 transitions. [2020-11-28 04:44:57,219 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 351 transitions. [2020-11-28 04:44:57,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:44:57,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:57,254 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:57,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:57,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 193 states and 352 transitions. [2020-11-28 04:44:57,324 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 352 transitions. [2020-11-28 04:44:57,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:44:57,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:57,386 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:44:59,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:59,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 205 states and 382 transitions. [2020-11-28 04:44:59,085 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 382 transitions. [2020-11-28 04:44:59,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:44:59,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:59,120 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:44:59,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:59,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 208 states and 386 transitions. [2020-11-28 04:44:59,171 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 386 transitions. [2020-11-28 04:44:59,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:44:59,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:59,230 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:44:59,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:59,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 209 states and 387 transitions. [2020-11-28 04:44:59,280 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 387 transitions. [2020-11-28 04:44:59,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:44:59,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:59,323 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:44:59,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:59,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 210 states and 388 transitions. [2020-11-28 04:44:59,350 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 388 transitions. [2020-11-28 04:44:59,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:44:59,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:59,399 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-28 04:44:59,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:59,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 212 states and 392 transitions. [2020-11-28 04:44:59,924 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 392 transitions. [2020-11-28 04:44:59,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:44:59,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:59,975 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-28 04:45:00,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:00,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 217 states and 397 transitions. [2020-11-28 04:45:00,520 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 397 transitions. [2020-11-28 04:45:00,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-28 04:45:00,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:00,556 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:45:01,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:01,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 225 states and 413 transitions. [2020-11-28 04:45:01,115 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 413 transitions. [2020-11-28 04:45:01,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 04:45:01,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:01,150 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:45:01,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:01,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 231 states and 427 transitions. [2020-11-28 04:45:01,983 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 427 transitions. [2020-11-28 04:45:01,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 04:45:01,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:02,014 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:45:02,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:02,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 232 states and 430 transitions. [2020-11-28 04:45:02,363 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 430 transitions. [2020-11-28 04:45:02,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 04:45:02,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:02,399 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:45:02,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:02,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 238 states and 439 transitions. [2020-11-28 04:45:02,572 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 439 transitions. [2020-11-28 04:45:02,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 04:45:02,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:02,605 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:45:02,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:02,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 239 states and 440 transitions. [2020-11-28 04:45:02,631 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 440 transitions. [2020-11-28 04:45:02,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:45:02,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:02,699 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:45:02,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:02,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 244 states and 449 transitions. [2020-11-28 04:45:02,992 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 449 transitions. [2020-11-28 04:45:02,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:45:02,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:03,043 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:45:03,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:03,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 245 states and 452 transitions. [2020-11-28 04:45:03,413 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 452 transitions. [2020-11-28 04:45:03,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:45:03,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:03,450 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:45:03,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:03,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 246 states and 453 transitions. [2020-11-28 04:45:03,476 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 453 transitions. [2020-11-28 04:45:03,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:45:03,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:45:03,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:03,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 247 states and 454 transitions. [2020-11-28 04:45:03,541 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 454 transitions. [2020-11-28 04:45:03,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:45:03,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:03,577 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:45:03,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:03,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 250 states and 460 transitions. [2020-11-28 04:45:03,830 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 460 transitions. [2020-11-28 04:45:03,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-28 04:45:03,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:03,873 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-28 04:45:03,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:03,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 253 states and 464 transitions. [2020-11-28 04:45:03,902 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 464 transitions. [2020-11-28 04:45:03,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-28 04:45:03,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:03,944 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:45:05,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:05,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 263 states and 483 transitions. [2020-11-28 04:45:05,404 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 483 transitions. [2020-11-28 04:45:05,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-28 04:45:05,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:05,454 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-28 04:45:05,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:05,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 264 states and 484 transitions. [2020-11-28 04:45:05,489 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 484 transitions. [2020-11-28 04:45:05,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-28 04:45:05,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:05,531 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-28 04:45:05,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:05,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 267 states and 487 transitions. [2020-11-28 04:45:05,564 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 487 transitions. [2020-11-28 04:45:05,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-28 04:45:05,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:05,600 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-28 04:45:05,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:05,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 109 states and 141 transitions. [2020-11-28 04:45:05,638 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 141 transitions. [2020-11-28 04:45:05,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:45:05,638 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 49 iterations. [2020-11-28 04:45:05,647 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:45:06,156 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:06,160 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:06,161 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:45:06,164 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:06,164 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:06,165 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:45:06,165 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:06,166 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:06,167 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:06,171 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:06,171 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:06,171 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-28 04:45:06,175 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:06,176 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-28 04:45:06,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:45:06 ImpRootNode [2020-11-28 04:45:06,179 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:45:06,179 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:45:06,179 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:45:06,179 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:45:06,180 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:46" (3/4) ... [2020-11-28 04:45:06,186 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:45:06,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:45:06,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:45:06,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:45:06,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:45:06,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:45:06,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:45:06,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:45:06,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:45:06,212 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2020-11-28 04:45:06,212 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 04:45:06,213 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:45:06,214 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:45:06,215 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:45:06,215 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:45:06,216 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:45:06,243 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && !(1 == systemActive)) || (!(pumpRunning == 0) && 1 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) [2020-11-28 04:45:06,245 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-28 04:45:06,306 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5c8ee2c2-e9fb-44f1-a59a-8a96f88db33f/bin/ukojak/witness.graphml [2020-11-28 04:45:06,306 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:45:06,308 INFO L168 Benchmark]: Toolchain (without parser) took 22055.38 ms. Allocated memory was 92.3 MB in the beginning and 358.6 MB in the end (delta: 266.3 MB). Free memory was 69.1 MB in the beginning and 259.6 MB in the end (delta: -190.5 MB). Peak memory consumption was 75.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:06,309 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory was 55.4 MB in the beginning and 55.3 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:45:06,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.13 ms. Allocated memory is still 92.3 MB. Free memory was 68.9 MB in the beginning and 58.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:06,309 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.57 ms. Allocated memory is still 92.3 MB. Free memory was 58.2 MB in the beginning and 55.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:06,310 INFO L168 Benchmark]: Boogie Preprocessor took 37.74 ms. Allocated memory is still 92.3 MB. Free memory was 55.4 MB in the beginning and 53.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:06,310 INFO L168 Benchmark]: RCFGBuilder took 1298.54 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 53.6 MB in the beginning and 42.7 MB in the end (delta: 10.9 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:06,310 INFO L168 Benchmark]: CodeCheck took 19851.59 ms. Allocated memory was 113.2 MB in the beginning and 358.6 MB in the end (delta: 245.4 MB). Free memory was 42.7 MB in the beginning and 264.9 MB in the end (delta: -222.2 MB). Peak memory consumption was 169.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:06,311 INFO L168 Benchmark]: Witness Printer took 127.07 ms. Allocated memory is still 358.6 MB. Free memory was 264.9 MB in the beginning and 259.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:06,313 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.2s, OverallIterations: 49, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1415156592 SDtfs, 615418828 SDslu, 644363052 SDs, 0 SdLazy, -1906438628 SolverSat, -318239296 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 55.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21985 GetRequests, 21696 SyntacticMatches, 13 SemanticMatches, 276 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32902 ImplicationChecksByTransitivity, 13.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2155 NumberOfCodeBlocks, 2155 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 2107 ConstructedInterpolants, 0 QuantifiedInterpolants, 191978 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 48 InterpolantComputations, 40 PerfectInterpolantSequences, 727/761 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: 815]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && !(1 == systemActive)) || (!(pumpRunning == 0) && 1 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: (!(0 == tmp) && !(pumpRunning == 0)) || methaneLevelCritical == tmp * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory was 55.4 MB in the beginning and 55.3 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 665.13 ms. Allocated memory is still 92.3 MB. Free memory was 68.9 MB in the beginning and 58.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.57 ms. Allocated memory is still 92.3 MB. Free memory was 58.2 MB in the beginning and 55.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.74 ms. Allocated memory is still 92.3 MB. Free memory was 55.4 MB in the beginning and 53.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1298.54 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 53.6 MB in the beginning and 42.7 MB in the end (delta: 10.9 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. * CodeCheck took 19851.59 ms. Allocated memory was 113.2 MB in the beginning and 358.6 MB in the end (delta: 245.4 MB). Free memory was 42.7 MB in the beginning and 264.9 MB in the end (delta: -222.2 MB). Peak memory consumption was 169.9 MB. Max. memory is 16.1 GB. * Witness Printer took 127.07 ms. Allocated memory is still 358.6 MB. Free memory was 264.9 MB in the beginning and 259.6 MB in the end (delta: 5.2 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...