./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.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_5642970c-7f31-487f-9ce1-e5fec2d75af1/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5642970c-7f31-487f-9ce1-e5fec2d75af1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5642970c-7f31-487f-9ce1-e5fec2d75af1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5642970c-7f31-487f-9ce1-e5fec2d75af1/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5642970c-7f31-487f-9ce1-e5fec2d75af1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5642970c-7f31-487f-9ce1-e5fec2d75af1/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 656a2bbc2fdeac83f3dcc893b23dff27702d34ec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:30:31,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:30:31,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:30:32,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:30:32,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:30:32,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:30:32,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:30:32,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:30:32,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:30:32,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:30:32,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:30:32,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:30:32,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:30:32,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:30:32,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:30:32,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:30:32,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:30:32,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:30:32,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:30:32,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:30:32,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:30:32,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:30:32,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:30:32,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:30:32,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:30:32,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:30:32,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:30:32,123 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:30:32,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:30:32,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:30:32,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:30:32,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:30:32,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:30:32,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:30:32,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:30:32,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:30:32,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:30:32,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:30:32,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:30:32,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:30:32,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:30:32,135 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5642970c-7f31-487f-9ce1-e5fec2d75af1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:30:32,160 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:30:32,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:30:32,161 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:30:32,161 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:30:32,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:30:32,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:30:32,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:30:32,163 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:30:32,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:30:32,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:30:32,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:30:32,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:30:32,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:30:32,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:30:32,165 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:30:32,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:30:32,165 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:30:32,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:30:32,166 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:30:32,166 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:30:32,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:30:32,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:30:32,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:30:32,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:30:32,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:30:32,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:30:32,168 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:30:32,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:30:32,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:30:32,168 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_5642970c-7f31-487f-9ce1-e5fec2d75af1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5642970c-7f31-487f-9ce1-e5fec2d75af1/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 656a2bbc2fdeac83f3dcc893b23dff27702d34ec [2020-12-01 16:30:32,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:30:32,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:30:32,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:30:32,549 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:30:32,551 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:30:32,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5642970c-7f31-487f-9ce1-e5fec2d75af1/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2020-12-01 16:30:32,645 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5642970c-7f31-487f-9ce1-e5fec2d75af1/bin/ukojak/data/c85626299/d14ecadb83074f9cb691aec44a1bb158/FLAGf0a9f6938 [2020-12-01 16:30:33,382 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:30:33,383 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5642970c-7f31-487f-9ce1-e5fec2d75af1/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2020-12-01 16:30:33,398 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5642970c-7f31-487f-9ce1-e5fec2d75af1/bin/ukojak/data/c85626299/d14ecadb83074f9cb691aec44a1bb158/FLAGf0a9f6938 [2020-12-01 16:30:33,424 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5642970c-7f31-487f-9ce1-e5fec2d75af1/bin/ukojak/data/c85626299/d14ecadb83074f9cb691aec44a1bb158 [2020-12-01 16:30:33,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:30:33,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:30:33,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:30:33,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:30:33,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:30:33,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:30:33" (1/1) ... [2020-12-01 16:30:33,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a2cb889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:33, skipping insertion in model container [2020-12-01 16:30:33,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:30:33" (1/1) ... [2020-12-01 16:30:33,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:30:33,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:30:33,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:30:33,835 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:30:33,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:30:34,002 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:30:34,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:34 WrapperNode [2020-12-01 16:30:34,003 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:30:34,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:30:34,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:30:34,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:30:34,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:34" (1/1) ... [2020-12-01 16:30:34,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:34" (1/1) ... [2020-12-01 16:30:34,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:30:34,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:30:34,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:30:34,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:30:34,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:34" (1/1) ... [2020-12-01 16:30:34,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:34" (1/1) ... [2020-12-01 16:30:34,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:34" (1/1) ... [2020-12-01 16:30:34,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:34" (1/1) ... [2020-12-01 16:30:34,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:34" (1/1) ... [2020-12-01 16:30:34,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:34" (1/1) ... [2020-12-01 16:30:34,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:34" (1/1) ... [2020-12-01 16:30:34,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:30:34,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:30:34,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:30:34,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:30:34,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:30:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5642970c-7f31-487f-9ce1-e5fec2d75af1/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 16:30:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:30:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 16:30:34,238 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 16:30:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 16:30:34,239 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 16:30:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 16:30:34,240 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 16:30:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 16:30:34,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 16:30:34,241 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 16:30:34,242 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 16:30:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 16:30:34,242 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 16:30:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:30:34,242 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 16:30:34,242 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 16:30:34,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:30:34,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:30:35,968 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:30:35,969 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-12-01 16:30:35,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:30:35 BoogieIcfgContainer [2020-12-01 16:30:35,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:30:35,973 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:30:35,973 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:30:35,985 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:30:35,985 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:30:35" (1/1) ... [2020-12-01 16:30:35,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:30:36,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:36,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2020-12-01 16:30:36,056 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2020-12-01 16:30:36,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:30:36,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:36,338 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 16:30:36,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:36,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2020-12-01 16:30:36,363 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2020-12-01 16:30:36,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:30:36,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:36,555 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 16:30:36,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:36,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2020-12-01 16:30:36,594 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2020-12-01 16:30:36,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:30:36,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:36,728 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 16:30:36,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:36,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 67 states and 96 transitions. [2020-12-01 16:30:36,992 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 96 transitions. [2020-12-01 16:30:36,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:30:36,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:37,067 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 16:30:37,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:37,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 68 states and 97 transitions. [2020-12-01 16:30:37,076 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2020-12-01 16:30:37,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:30:37,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:37,150 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 16:30:37,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:37,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 69 states and 98 transitions. [2020-12-01 16:30:37,171 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2020-12-01 16:30:37,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:30:37,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:37,322 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 16:30:37,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:37,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 85 states and 131 transitions. [2020-12-01 16:30:37,755 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 131 transitions. [2020-12-01 16:30:37,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:30:37,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:37,833 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 16:30:38,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:38,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 97 states and 158 transitions. [2020-12-01 16:30:38,664 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 158 transitions. [2020-12-01 16:30:38,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:30:38,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:38,766 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 16:30:38,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:38,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 102 states and 167 transitions. [2020-12-01 16:30:38,793 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 167 transitions. [2020-12-01 16:30:38,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:30:38,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:38,850 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 16:30:39,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:39,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 106 states and 176 transitions. [2020-12-01 16:30:39,010 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 176 transitions. [2020-12-01 16:30:39,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:30:39,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:39,062 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 16:30:39,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:39,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 107 states and 177 transitions. [2020-12-01 16:30:39,079 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 177 transitions. [2020-12-01 16:30:39,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:30:39,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:39,144 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 16:30:39,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:39,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 108 states and 178 transitions. [2020-12-01 16:30:39,167 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 178 transitions. [2020-12-01 16:30:39,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:30:39,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:39,247 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 16:30:39,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:39,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 113 states and 192 transitions. [2020-12-01 16:30:39,400 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 192 transitions. [2020-12-01 16:30:39,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:30:39,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:39,461 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 16:30:39,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:39,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 114 states and 193 transitions. [2020-12-01 16:30:39,479 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 193 transitions. [2020-12-01 16:30:39,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:30:39,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:39,572 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 16:30:39,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:39,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 120 states and 202 transitions. [2020-12-01 16:30:39,992 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 202 transitions. [2020-12-01 16:30:39,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:30:39,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:40,054 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 16:30:40,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:40,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 121 states and 203 transitions. [2020-12-01 16:30:40,069 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 203 transitions. [2020-12-01 16:30:40,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:30:40,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:40,132 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 16:30:40,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:40,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 126 states and 214 transitions. [2020-12-01 16:30:40,313 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 214 transitions. [2020-12-01 16:30:40,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:30:40,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:40,404 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 16:30:40,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:40,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 129 states and 222 transitions. [2020-12-01 16:30:40,638 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 222 transitions. [2020-12-01 16:30:40,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:30:40,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:40,678 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 16:30:41,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:41,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 138 states and 241 transitions. [2020-12-01 16:30:41,251 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 241 transitions. [2020-12-01 16:30:41,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:30:41,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:41,318 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 16:30:41,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:41,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 139 states and 242 transitions. [2020-12-01 16:30:41,336 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 242 transitions. [2020-12-01 16:30:41,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 16:30:41,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:41,379 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 16:30:41,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:41,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 140 states and 243 transitions. [2020-12-01 16:30:41,405 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 243 transitions. [2020-12-01 16:30:41,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:30:41,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:41,791 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 16:30:42,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:42,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 147 states and 266 transitions. [2020-12-01 16:30:42,887 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 266 transitions. [2020-12-01 16:30:42,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:30:42,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:42,934 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 16:30:43,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:43,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 154 states and 278 transitions. [2020-12-01 16:30:43,171 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 278 transitions. [2020-12-01 16:30:43,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:30:43,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:43,251 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 16:30:43,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:43,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 155 states and 278 transitions. [2020-12-01 16:30:43,270 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 278 transitions. [2020-12-01 16:30:43,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:30:43,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:43,321 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 16:30:44,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:44,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 162 states and 294 transitions. [2020-12-01 16:30:44,048 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 294 transitions. [2020-12-01 16:30:44,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:30:44,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:44,098 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 16:30:44,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:44,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 163 states and 295 transitions. [2020-12-01 16:30:44,127 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 295 transitions. [2020-12-01 16:30:44,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:30:44,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:44,185 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 16:30:44,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:44,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 164 states and 296 transitions. [2020-12-01 16:30:44,206 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 296 transitions. [2020-12-01 16:30:44,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:30:44,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:44,340 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 16:30:46,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:46,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 180 states and 340 transitions. [2020-12-01 16:30:46,684 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 340 transitions. [2020-12-01 16:30:46,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:30:46,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:46,743 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:30:47,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:47,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 187 states and 354 transitions. [2020-12-01 16:30:47,084 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 354 transitions. [2020-12-01 16:30:47,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:30:47,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:47,124 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 16:30:47,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:47,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 188 states and 354 transitions. [2020-12-01 16:30:47,138 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 354 transitions. [2020-12-01 16:30:47,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:30:47,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:47,181 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:30:48,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:48,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 196 states and 382 transitions. [2020-12-01 16:30:48,788 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 382 transitions. [2020-12-01 16:30:48,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:30:48,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:48,832 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 16:30:50,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:50,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 206 states and 399 transitions. [2020-12-01 16:30:50,373 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 399 transitions. [2020-12-01 16:30:50,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:30:50,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:50,413 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 16:30:50,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:50,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 207 states and 400 transitions. [2020-12-01 16:30:50,439 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 400 transitions. [2020-12-01 16:30:50,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 16:30:50,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:50,478 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:30:51,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:51,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 210 states and 396 transitions. [2020-12-01 16:30:51,034 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 396 transitions. [2020-12-01 16:30:51,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:30:51,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:51,077 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 16:30:51,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:51,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 213 states and 402 transitions. [2020-12-01 16:30:51,246 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 402 transitions. [2020-12-01 16:30:51,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:30:51,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:51,327 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 16:30:51,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:51,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 214 states and 403 transitions. [2020-12-01 16:30:51,349 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 403 transitions. [2020-12-01 16:30:51,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 16:30:51,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:51,395 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 16:30:51,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:51,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 216 states and 405 transitions. [2020-12-01 16:30:51,568 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 405 transitions. [2020-12-01 16:30:51,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:30:51,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:51,618 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:30:51,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:51,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 217 states and 407 transitions. [2020-12-01 16:30:51,653 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 407 transitions. [2020-12-01 16:30:51,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:30:51,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:51,705 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:30:51,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:51,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 218 states and 408 transitions. [2020-12-01 16:30:51,749 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 408 transitions. [2020-12-01 16:30:51,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:30:51,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:51,791 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:30:52,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:52,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 219 states and 411 transitions. [2020-12-01 16:30:52,141 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 411 transitions. [2020-12-01 16:30:52,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 16:30:52,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:52,179 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 16:30:52,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:52,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 224 states and 420 transitions. [2020-12-01 16:30:52,358 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 420 transitions. [2020-12-01 16:30:52,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:30:52,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:52,391 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:30:53,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:53,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 230 states and 433 transitions. [2020-12-01 16:30:53,157 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 433 transitions. [2020-12-01 16:30:53,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 16:30:53,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:53,196 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:30:53,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:53,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 231 states and 434 transitions. [2020-12-01 16:30:53,218 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 434 transitions. [2020-12-01 16:30:53,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 16:30:53,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:53,258 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 16:30:53,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:53,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 232 states and 434 transitions. [2020-12-01 16:30:53,271 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 434 transitions. [2020-12-01 16:30:53,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:30:53,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:53,320 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 16:30:53,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:53,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 233 states and 435 transitions. [2020-12-01 16:30:53,342 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 435 transitions. [2020-12-01 16:30:53,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:30:53,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:53,381 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 16:30:53,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:53,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 234 states and 438 transitions. [2020-12-01 16:30:53,725 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 438 transitions. [2020-12-01 16:30:53,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:30:53,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:53,801 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 16:30:53,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:53,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 236 states and 443 transitions. [2020-12-01 16:30:53,837 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 443 transitions. [2020-12-01 16:30:53,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:30:53,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:53,878 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 16:30:53,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:53,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 237 states and 443 transitions. [2020-12-01 16:30:53,895 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 443 transitions. [2020-12-01 16:30:53,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:30:53,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:53,939 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 16:30:54,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:54,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 240 states and 447 transitions. [2020-12-01 16:30:54,130 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 447 transitions. [2020-12-01 16:30:54,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 16:30:54,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:54,173 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 16:30:54,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:54,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 241 states and 448 transitions. [2020-12-01 16:30:54,198 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 448 transitions. [2020-12-01 16:30:54,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 16:30:54,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:54,243 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 16:30:54,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:54,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 244 states and 453 transitions. [2020-12-01 16:30:54,270 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 453 transitions. [2020-12-01 16:30:54,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 16:30:54,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:54,312 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 16:30:54,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:54,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 245 states and 454 transitions. [2020-12-01 16:30:54,346 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 454 transitions. [2020-12-01 16:30:54,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 16:30:54,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:54,386 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 16:30:54,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:54,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 246 states and 455 transitions. [2020-12-01 16:30:54,411 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 455 transitions. [2020-12-01 16:30:54,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 16:30:54,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:54,485 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:30:54,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:54,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 248 states and 457 transitions. [2020-12-01 16:30:54,520 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 457 transitions. [2020-12-01 16:30:54,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-01 16:30:54,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:54,574 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:30:54,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:54,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 88 states and 120 transitions. [2020-12-01 16:30:54,592 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2020-12-01 16:30:54,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:30:54,593 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 55 iterations. [2020-12-01 16:30:54,604 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:30:55,040 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 16:30:55,051 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-12-01 16:30:55,056 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:55,057 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:55,057 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:55,057 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:55,057 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:55,057 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2020-12-01 16:30:55,059 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:55,059 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:55,059 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:55,059 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:55,060 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:55,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:30:55 ImpRootNode [2020-12-01 16:30:55,061 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:30:55,061 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:30:55,061 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:30:55,062 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:30:55,062 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:30:35" (3/4) ... [2020-12-01 16:30:55,077 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:30:55,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 16:30:55,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 16:30:55,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 16:30:55,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 16:30:55,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 16:30:55,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 16:30:55,090 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 16:30:55,106 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2020-12-01 16:30:55,107 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 16:30:55,108 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 16:30:55,109 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 16:30:55,109 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:30:55,110 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:30:55,111 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:30:55,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) [2020-12-01 16:30:55,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) [2020-12-01 16:30:55,210 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5642970c-7f31-487f-9ce1-e5fec2d75af1/bin/ukojak/witness.graphml [2020-12-01 16:30:55,210 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:30:55,212 INFO L168 Benchmark]: Toolchain (without parser) took 21779.71 ms. Allocated memory was 111.1 MB in the beginning and 383.8 MB in the end (delta: 272.6 MB). Free memory was 74.8 MB in the beginning and 255.4 MB in the end (delta: -180.6 MB). Peak memory consumption was 92.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:55,213 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 111.1 MB. Free memory was 85.6 MB in the beginning and 85.5 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:30:55,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 569.89 ms. Allocated memory is still 111.1 MB. Free memory was 74.8 MB in the beginning and 75.3 MB in the end (delta: -474.8 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:55,214 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.12 ms. Allocated memory is still 111.1 MB. Free memory was 75.3 MB in the beginning and 72.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:55,214 INFO L168 Benchmark]: Boogie Preprocessor took 65.52 ms. Allocated memory is still 111.1 MB. Free memory was 72.8 MB in the beginning and 71.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:55,215 INFO L168 Benchmark]: RCFGBuilder took 1815.30 ms. Allocated memory was 111.1 MB in the beginning and 140.5 MB in the end (delta: 29.4 MB). Free memory was 71.2 MB in the beginning and 74.4 MB in the end (delta: -3.2 MB). Peak memory consumption was 38.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:55,215 INFO L168 Benchmark]: CodeCheck took 19087.64 ms. Allocated memory was 140.5 MB in the beginning and 383.8 MB in the end (delta: 243.3 MB). Free memory was 74.4 MB in the beginning and 260.7 MB in the end (delta: -186.3 MB). Peak memory consumption was 55.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:55,216 INFO L168 Benchmark]: Witness Printer took 148.93 ms. Allocated memory is still 383.8 MB. Free memory was 260.7 MB in the beginning and 255.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:55,218 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.5s, OverallIterations: 55, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1281077104 SDtfs, -611102768 SDslu, -313627996 SDs, 0 SdLazy, -1814508672 SolverSat, -1924519712 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 51.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24525 GetRequests, 24264 SyntacticMatches, 17 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26251 ImplicationChecksByTransitivity, 12.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2379 NumberOfCodeBlocks, 2379 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 2325 ConstructedInterpolants, 0 QuantifiedInterpolants, 210775 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 54 InterpolantComputations, 46 PerfectInterpolantSequences, 892/931 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: 603]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: ((!(methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 111.1 MB. Free memory was 85.6 MB in the beginning and 85.5 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 569.89 ms. Allocated memory is still 111.1 MB. Free memory was 74.8 MB in the beginning and 75.3 MB in the end (delta: -474.8 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.12 ms. Allocated memory is still 111.1 MB. Free memory was 75.3 MB in the beginning and 72.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.52 ms. Allocated memory is still 111.1 MB. Free memory was 72.8 MB in the beginning and 71.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1815.30 ms. Allocated memory was 111.1 MB in the beginning and 140.5 MB in the end (delta: 29.4 MB). Free memory was 71.2 MB in the beginning and 74.4 MB in the end (delta: -3.2 MB). Peak memory consumption was 38.9 MB. Max. memory is 16.1 GB. * CodeCheck took 19087.64 ms. Allocated memory was 140.5 MB in the beginning and 383.8 MB in the end (delta: 243.3 MB). Free memory was 74.4 MB in the beginning and 260.7 MB in the end (delta: -186.3 MB). Peak memory consumption was 55.8 MB. Max. memory is 16.1 GB. * Witness Printer took 148.93 ms. Allocated memory is still 383.8 MB. Free memory was 260.7 MB in the beginning and 255.4 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...