./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.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_9dc1669e-450f-48ec-b678-a157d8abd8f6/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9dc1669e-450f-48ec-b678-a157d8abd8f6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9dc1669e-450f-48ec-b678-a157d8abd8f6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9dc1669e-450f-48ec-b678-a157d8abd8f6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9dc1669e-450f-48ec-b678-a157d8abd8f6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9dc1669e-450f-48ec-b678-a157d8abd8f6/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 ad44d32391aa6283f5e8433cbefa6aad81c0febf ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 04:43:02,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:43:02,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:43:02,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:43:02,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:43:02,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:43:02,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:43:02,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:43:02,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:43:02,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:43:02,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:43:02,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:43:02,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:43:02,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:43:02,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:43:02,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:43:02,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:43:02,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:43:02,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:43:02,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:43:02,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:43:02,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:43:02,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:43:02,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:43:02,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:43:02,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:43:02,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:43:02,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:43:02,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:43:02,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:43:02,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:43:02,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:43:02,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:43:02,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:43:02,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:43:02,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:43:02,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:43:02,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:43:02,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:43:02,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:43:02,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:43:02,133 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9dc1669e-450f-48ec-b678-a157d8abd8f6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:43:02,171 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:43:02,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:43:02,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:43:02,173 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:43:02,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:43:02,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:43:02,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:43:02,174 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:43:02,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:43:02,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:43:02,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:43:02,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:43:02,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:43:02,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:43:02,176 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:43:02,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:43:02,177 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:43:02,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:43:02,177 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:43:02,177 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:43:02,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:43:02,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:43:02,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:43:02,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:43:02,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:43:02,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:43:02,179 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:43:02,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:43:02,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:43:02,180 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_9dc1669e-450f-48ec-b678-a157d8abd8f6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9dc1669e-450f-48ec-b678-a157d8abd8f6/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad44d32391aa6283f5e8433cbefa6aad81c0febf [2020-11-28 04:43:02,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:43:02,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:43:02,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:43:02,509 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:43:02,511 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:43:02,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9dc1669e-450f-48ec-b678-a157d8abd8f6/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2020-11-28 04:43:02,617 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9dc1669e-450f-48ec-b678-a157d8abd8f6/bin/ukojak/data/e42a7a45b/b86eb475a7f146fb88fb3c4668e5e3e7/FLAG280e477fb [2020-11-28 04:43:03,138 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:43:03,139 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9dc1669e-450f-48ec-b678-a157d8abd8f6/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2020-11-28 04:43:03,151 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9dc1669e-450f-48ec-b678-a157d8abd8f6/bin/ukojak/data/e42a7a45b/b86eb475a7f146fb88fb3c4668e5e3e7/FLAG280e477fb [2020-11-28 04:43:03,436 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9dc1669e-450f-48ec-b678-a157d8abd8f6/bin/ukojak/data/e42a7a45b/b86eb475a7f146fb88fb3c4668e5e3e7 [2020-11-28 04:43:03,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:43:03,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:43:03,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:03,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:43:03,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:43:03,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:03" (1/1) ... [2020-11-28 04:43:03,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd82bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:03, skipping insertion in model container [2020-11-28 04:43:03,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:03" (1/1) ... [2020-11-28 04:43:03,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:43:03,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:43:03,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:03,950 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:43:04,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:04,083 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:43:04,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04 WrapperNode [2020-11-28 04:43:04,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:04,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:04,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:43:04,085 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:43:04,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:04,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:43:04,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:43:04,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:43:04,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... [2020-11-28 04:43:04,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:43:04,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:43:04,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:43:04,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:43:04,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9dc1669e-450f-48ec-b678-a157d8abd8f6/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 04:43:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:43:04,275 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:43:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:43:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:43:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:43:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:43:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:43:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:43:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:43:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:43:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:43:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:43:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:43:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:43:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:43:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:43:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:43:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:43:05,500 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:43:05,500 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-28 04:43:05,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:05 BoogieIcfgContainer [2020-11-28 04:43:05,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:43:05,503 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:43:05,503 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:43:05,513 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:43:05,514 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:05" (1/1) ... [2020-11-28 04:43:05,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:43:05,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:05,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2020-11-28 04:43:05,572 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2020-11-28 04:43:05,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:43:05,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:05,843 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 04:43:05,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:05,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2020-11-28 04:43:05,862 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-11-28 04:43:05,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:43:05,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:05,999 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 04:43:06,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:06,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2020-11-28 04:43:06,030 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2020-11-28 04:43:06,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:43:06,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:06,138 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 04:43:06,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:06,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2020-11-28 04:43:06,319 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2020-11-28 04:43:06,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:43:06,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:06,454 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 04:43:06,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:06,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 127 transitions. [2020-11-28 04:43:06,954 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 127 transitions. [2020-11-28 04:43:06,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:43:06,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:07,021 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 04:43:07,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:07,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 83 states and 128 transitions. [2020-11-28 04:43:07,042 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2020-11-28 04:43:07,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:43:07,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:07,105 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 04:43:07,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 84 states and 129 transitions. [2020-11-28 04:43:07,118 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 129 transitions. [2020-11-28 04:43:07,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:43:07,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:07,170 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 04:43:07,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:07,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 85 states and 130 transitions. [2020-11-28 04:43:07,193 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 130 transitions. [2020-11-28 04:43:07,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:43:07,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:07,275 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 04:43:08,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:08,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 97 states and 157 transitions. [2020-11-28 04:43:08,143 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 157 transitions. [2020-11-28 04:43:08,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:43:08,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:08,177 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 04:43:08,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:08,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 98 states and 158 transitions. [2020-11-28 04:43:08,183 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 158 transitions. [2020-11-28 04:43:08,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:43:08,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:08,215 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 04:43:08,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:08,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 101 states and 163 transitions. [2020-11-28 04:43:08,236 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 163 transitions. [2020-11-28 04:43:08,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:43:08,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:08,270 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 04:43:08,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:08,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 105 states and 172 transitions. [2020-11-28 04:43:08,432 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 172 transitions. [2020-11-28 04:43:08,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:43:08,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:08,502 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 04:43:08,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:08,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 110 states and 180 transitions. [2020-11-28 04:43:08,890 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 180 transitions. [2020-11-28 04:43:08,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:43:08,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:08,921 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 04:43:09,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:09,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 115 states and 194 transitions. [2020-11-28 04:43:09,082 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 194 transitions. [2020-11-28 04:43:09,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:43:09,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:09,117 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 04:43:09,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:09,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 116 states and 197 transitions. [2020-11-28 04:43:09,155 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2020-11-28 04:43:09,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:43:09,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:09,206 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 04:43:09,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:09,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 118 states and 199 transitions. [2020-11-28 04:43:09,233 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 199 transitions. [2020-11-28 04:43:09,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:43:09,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:09,278 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 04:43:09,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:09,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 210 transitions. [2020-11-28 04:43:09,474 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 210 transitions. [2020-11-28 04:43:09,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:43:09,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:09,526 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 04:43:09,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:09,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 124 states and 211 transitions. [2020-11-28 04:43:09,558 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 211 transitions. [2020-11-28 04:43:09,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:43:09,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:09,635 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 04:43:09,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:09,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 127 states and 219 transitions. [2020-11-28 04:43:09,830 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 219 transitions. [2020-11-28 04:43:09,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:43:09,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:09,879 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 04:43:10,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:10,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 136 states and 238 transitions. [2020-11-28 04:43:10,456 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 238 transitions. [2020-11-28 04:43:10,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:43:10,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:10,484 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 04:43:10,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:10,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 137 states and 239 transitions. [2020-11-28 04:43:10,513 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 239 transitions. [2020-11-28 04:43:10,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:43:10,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:10,798 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 04:43:11,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:11,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 140 states and 245 transitions. [2020-11-28 04:43:11,683 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 245 transitions. [2020-11-28 04:43:11,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:43:11,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:11,752 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 04:43:11,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:11,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 141 states and 248 transitions. [2020-11-28 04:43:11,948 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 248 transitions. [2020-11-28 04:43:11,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:43:11,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:11,980 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:43:12,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:12,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 148 states and 260 transitions. [2020-11-28 04:43:12,190 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 260 transitions. [2020-11-28 04:43:12,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:43:12,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:12,562 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 04:43:13,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:13,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 155 states and 272 transitions. [2020-11-28 04:43:13,897 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 272 transitions. [2020-11-28 04:43:13,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:43:13,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:13,956 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 04:43:14,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:14,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 162 states and 288 transitions. [2020-11-28 04:43:14,511 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 288 transitions. [2020-11-28 04:43:14,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:43:14,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:14,568 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 04:43:14,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:14,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 163 states and 289 transitions. [2020-11-28 04:43:14,596 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 289 transitions. [2020-11-28 04:43:14,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:43:14,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:14,630 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 04:43:14,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:14,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 164 states and 289 transitions. [2020-11-28 04:43:14,640 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 289 transitions. [2020-11-28 04:43:14,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:43:14,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:14,670 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:43:14,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:14,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 171 states and 301 transitions. [2020-11-28 04:43:14,919 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 301 transitions. [2020-11-28 04:43:14,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:43:14,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:14,958 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:43:14,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:14,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 172 states and 304 transitions. [2020-11-28 04:43:14,968 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 304 transitions. [2020-11-28 04:43:14,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:43:14,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:15,107 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:43:16,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:16,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 180 states and 322 transitions. [2020-11-28 04:43:16,381 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 322 transitions. [2020-11-28 04:43:16,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:43:16,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:16,419 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:43:17,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:17,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 196 states and 357 transitions. [2020-11-28 04:43:17,987 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 357 transitions. [2020-11-28 04:43:17,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:43:17,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:18,044 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:43:18,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:18,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 197 states and 358 transitions. [2020-11-28 04:43:18,100 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 358 transitions. [2020-11-28 04:43:18,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:43:18,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:18,139 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:43:20,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:20,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 209 states and 386 transitions. [2020-11-28 04:43:20,080 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 386 transitions. [2020-11-28 04:43:20,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:43:20,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:20,113 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 04:43:20,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:20,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 210 states and 386 transitions. [2020-11-28 04:43:20,126 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 386 transitions. [2020-11-28 04:43:20,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:43:20,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:20,153 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:43:22,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:22,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 218 states and 404 transitions. [2020-11-28 04:43:22,243 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 404 transitions. [2020-11-28 04:43:22,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:43:22,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:22,273 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:43:22,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:22,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 219 states and 407 transitions. [2020-11-28 04:43:22,600 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 407 transitions. [2020-11-28 04:43:22,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:43:22,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:22,632 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:43:23,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:23,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 222 states and 413 transitions. [2020-11-28 04:43:23,406 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 413 transitions. [2020-11-28 04:43:23,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:43:23,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:23,446 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:43:23,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:23,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 223 states and 414 transitions. [2020-11-28 04:43:23,481 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 414 transitions. [2020-11-28 04:43:23,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:43:23,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:23,512 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:43:23,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:23,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 224 states and 415 transitions. [2020-11-28 04:43:23,552 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 415 transitions. [2020-11-28 04:43:23,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:43:23,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:23,580 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:43:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:23,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 227 states and 419 transitions. [2020-11-28 04:43:23,614 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 419 transitions. [2020-11-28 04:43:23,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-28 04:43:23,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:23,672 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:43:24,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:24,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 230 states and 418 transitions. [2020-11-28 04:43:24,251 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 418 transitions. [2020-11-28 04:43:24,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:43:24,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:24,282 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-28 04:43:24,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:24,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 233 states and 422 transitions. [2020-11-28 04:43:24,308 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 422 transitions. [2020-11-28 04:43:24,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-28 04:43:24,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:24,336 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 04:43:24,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:24,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 238 states and 430 transitions. [2020-11-28 04:43:24,688 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 430 transitions. [2020-11-28 04:43:24,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 04:43:24,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:24,718 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:43:24,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:24,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 243 states and 439 transitions. [2020-11-28 04:43:24,925 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 439 transitions. [2020-11-28 04:43:24,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:43:24,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:24,966 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 04:43:24,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:24,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 244 states and 439 transitions. [2020-11-28 04:43:24,978 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 439 transitions. [2020-11-28 04:43:24,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 04:43:24,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 04:43:25,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:25,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 245 states and 440 transitions. [2020-11-28 04:43:25,065 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 440 transitions. [2020-11-28 04:43:25,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:43:25,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:25,101 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:43:25,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:25,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 246 states and 443 transitions. [2020-11-28 04:43:25,549 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 443 transitions. [2020-11-28 04:43:25,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:43:25,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:25,585 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:43:25,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:25,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 247 states and 444 transitions. [2020-11-28 04:43:25,613 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 444 transitions. [2020-11-28 04:43:25,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:43:25,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:25,643 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:43:25,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:25,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 249 states and 449 transitions. [2020-11-28 04:43:25,679 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 449 transitions. [2020-11-28 04:43:25,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:43:25,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:25,709 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:43:25,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:25,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 252 states and 453 transitions. [2020-11-28 04:43:25,895 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 453 transitions. [2020-11-28 04:43:25,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:43:25,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:25,928 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 04:43:25,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:25,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 253 states and 453 transitions. [2020-11-28 04:43:25,943 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 453 transitions. [2020-11-28 04:43:25,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-28 04:43:25,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:25,975 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-28 04:43:25,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:25,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 256 states and 456 transitions. [2020-11-28 04:43:26,000 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 456 transitions. [2020-11-28 04:43:26,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-28 04:43:26,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:26,036 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:43:26,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:26,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 257 states and 457 transitions. [2020-11-28 04:43:26,059 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 457 transitions. [2020-11-28 04:43:26,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-28 04:43:26,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:26,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:26,096 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-28 04:43:26,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:26,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 258 states and 458 transitions. [2020-11-28 04:43:26,130 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 458 transitions. [2020-11-28 04:43:26,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-28 04:43:26,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:26,177 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:43:26,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:26,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 260 states and 460 transitions. [2020-11-28 04:43:26,222 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 460 transitions. [2020-11-28 04:43:26,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-28 04:43:26,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:26,260 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:43:26,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:26,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 90 states and 120 transitions. [2020-11-28 04:43:26,274 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 120 transitions. [2020-11-28 04:43:26,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:43:26,275 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 57 iterations. [2020-11-28 04:43:26,284 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:43:26,705 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-28 04:43:26,712 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:43:26,712 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:43:26,712 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:43:26,713 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:43:26,713 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-28 04:43:26,715 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:43:26,715 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:43:26,715 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:43:26,715 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-11-28 04:43:26,716 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:43:26,717 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:43:26,717 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:43:26,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:43:26 ImpRootNode [2020-11-28 04:43:26,718 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:43:26,718 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:43:26,718 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:43:26,718 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:43:26,719 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:05" (3/4) ... [2020-11-28 04:43:26,722 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:43:26,726 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:43:26,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:43:26,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:43:26,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:43:26,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:43:26,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:43:26,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:43:26,735 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-11-28 04:43:26,736 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-11-28 04:43:26,736 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:43:26,737 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:43:26,737 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:43:26,738 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:43:26,738 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:43:26,759 WARN L221 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)) [2020-11-28 04:43:26,760 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) [2020-11-28 04:43:26,803 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9dc1669e-450f-48ec-b678-a157d8abd8f6/bin/ukojak/witness.graphml [2020-11-28 04:43:26,803 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:43:26,805 INFO L168 Benchmark]: Toolchain (without parser) took 23361.46 ms. Allocated memory was 83.9 MB in the beginning and 360.7 MB in the end (delta: 276.8 MB). Free memory was 50.9 MB in the beginning and 232.2 MB in the end (delta: -181.3 MB). Peak memory consumption was 94.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:26,805 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory was 53.9 MB in the beginning and 53.9 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:43:26,806 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.56 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 50.7 MB in the beginning and 76.8 MB in the end (delta: -26.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:26,806 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.19 ms. Allocated memory is still 111.1 MB. Free memory was 76.8 MB in the beginning and 74.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:26,806 INFO L168 Benchmark]: Boogie Preprocessor took 37.84 ms. Allocated memory is still 111.1 MB. Free memory was 74.4 MB in the beginning and 72.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:26,807 INFO L168 Benchmark]: RCFGBuilder took 1314.29 ms. Allocated memory is still 111.1 MB. Free memory was 72.7 MB in the beginning and 66.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:26,807 INFO L168 Benchmark]: CodeCheck took 21214.26 ms. Allocated memory was 111.1 MB in the beginning and 360.7 MB in the end (delta: 249.6 MB). Free memory was 66.1 MB in the beginning and 237.4 MB in the end (delta: -171.3 MB). Peak memory consumption was 77.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:26,808 INFO L168 Benchmark]: Witness Printer took 85.02 ms. Allocated memory is still 360.7 MB. Free memory was 237.4 MB in the beginning and 232.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:26,810 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.7s, OverallIterations: 57, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1681527840 SDtfs, -1406400176 SDslu, 867933156 SDs, 0 SdLazy, 1420281568 SolverSat, 116140176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 55.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23836 GetRequests, 23534 SyntacticMatches, 24 SemanticMatches, 278 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34285 ImplicationChecksByTransitivity, 15.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2385 NumberOfCodeBlocks, 2385 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 2329 ConstructedInterpolants, 0 QuantifiedInterpolants, 206617 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 56 InterpolantComputations, 48 PerfectInterpolantSequences, 879/916 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: 53]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory was 53.9 MB in the beginning and 53.9 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 639.56 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 50.7 MB in the beginning and 76.8 MB in the end (delta: -26.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.19 ms. Allocated memory is still 111.1 MB. Free memory was 76.8 MB in the beginning and 74.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.84 ms. Allocated memory is still 111.1 MB. Free memory was 74.4 MB in the beginning and 72.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1314.29 ms. Allocated memory is still 111.1 MB. Free memory was 72.7 MB in the beginning and 66.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. * CodeCheck took 21214.26 ms. Allocated memory was 111.1 MB in the beginning and 360.7 MB in the end (delta: 249.6 MB). Free memory was 66.1 MB in the beginning and 237.4 MB in the end (delta: -171.3 MB). Peak memory consumption was 77.9 MB. Max. memory is 16.1 GB. * Witness Printer took 85.02 ms. Allocated memory is still 360.7 MB. Free memory was 237.4 MB in the beginning and 232.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...