./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.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_6407f848-1dfa-478b-9093-1116123f6c69/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6407f848-1dfa-478b-9093-1116123f6c69/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6407f848-1dfa-478b-9093-1116123f6c69/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6407f848-1dfa-478b-9093-1116123f6c69/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6407f848-1dfa-478b-9093-1116123f6c69/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6407f848-1dfa-478b-9093-1116123f6c69/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 78e630cdfb1cd89877a912be67c0a041bc0bca96 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:19:11,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:19:11,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:19:11,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:19:11,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:19:11,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:19:11,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:19:11,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:19:11,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:19:11,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:19:11,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:19:11,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:19:11,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:19:11,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:19:11,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:19:11,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:19:11,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:19:11,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:19:11,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:19:11,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:19:11,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:19:11,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:19:11,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:19:11,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:19:11,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:19:11,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:19:11,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:19:11,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:19:11,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:19:11,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:19:11,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:19:11,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:19:11,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:19:11,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:19:11,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:19:11,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:19:11,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:19:11,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:19:11,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:19:11,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:19:11,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:19:11,653 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6407f848-1dfa-478b-9093-1116123f6c69/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 22:19:11,685 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:19:11,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:19:11,686 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 22:19:11,687 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 22:19:11,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:19:11,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:19:11,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:19:11,689 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:19:11,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:19:11,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:19:11,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:19:11,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:19:11,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:19:11,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:19:11,691 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:19:11,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:19:11,691 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:19:11,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:19:11,692 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 22:19:11,692 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 22:19:11,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:19:11,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:19:11,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 22:19:11,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:19:11,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:19:11,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:19:11,694 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 22:19:11,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:19:11,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:19:11,695 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_6407f848-1dfa-478b-9093-1116123f6c69/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6407f848-1dfa-478b-9093-1116123f6c69/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78e630cdfb1cd89877a912be67c0a041bc0bca96 [2020-11-29 22:19:12,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:19:12,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:19:12,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:19:12,054 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:19:12,055 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:19:12,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6407f848-1dfa-478b-9093-1116123f6c69/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2020-11-29 22:19:12,162 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6407f848-1dfa-478b-9093-1116123f6c69/bin/ukojak/data/f338c3510/bda02544721e45efb20f96fd308fab72/FLAG13da85c33 [2020-11-29 22:19:12,760 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:19:12,771 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6407f848-1dfa-478b-9093-1116123f6c69/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2020-11-29 22:19:12,787 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6407f848-1dfa-478b-9093-1116123f6c69/bin/ukojak/data/f338c3510/bda02544721e45efb20f96fd308fab72/FLAG13da85c33 [2020-11-29 22:19:13,084 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6407f848-1dfa-478b-9093-1116123f6c69/bin/ukojak/data/f338c3510/bda02544721e45efb20f96fd308fab72 [2020-11-29 22:19:13,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:19:13,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:19:13,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:19:13,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:19:13,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:19:13,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:19:13" (1/1) ... [2020-11-29 22:19:13,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad4a361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:13, skipping insertion in model container [2020-11-29 22:19:13,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:19:13" (1/1) ... [2020-11-29 22:19:13,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:19:13,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:19:13,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:19:13,601 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:19:13,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:19:13,755 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:19:13,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:13 WrapperNode [2020-11-29 22:19:13,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:19:13,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:19:13,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:19:13,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:19:13,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:13" (1/1) ... [2020-11-29 22:19:13,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:13" (1/1) ... [2020-11-29 22:19:13,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:19:13,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:19:13,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:19:13,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:19:13,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:13" (1/1) ... [2020-11-29 22:19:13,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:13" (1/1) ... [2020-11-29 22:19:13,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:13" (1/1) ... [2020-11-29 22:19:13,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:13" (1/1) ... [2020-11-29 22:19:13,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:13" (1/1) ... [2020-11-29 22:19:13,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:13" (1/1) ... [2020-11-29 22:19:13,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:13" (1/1) ... [2020-11-29 22:19:13,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:19:13,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:19:13,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:19:13,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:19:13,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:19:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6407f848-1dfa-478b-9093-1116123f6c69/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 [2020-11-29 22:19:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:19:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 22:19:13,960 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 22:19:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 22:19:13,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 22:19:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 22:19:13,962 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 22:19:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 22:19:13,962 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 22:19:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-29 22:19:13,963 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-29 22:19:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-29 22:19:13,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-29 22:19:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-29 22:19:13,963 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-29 22:19:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:19:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 22:19:13,963 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 22:19:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:19:13,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:19:15,645 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:19:15,645 INFO L298 CfgBuilder]: Removed 34 assume(true) statements. [2020-11-29 22:19:15,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:19:15 BoogieIcfgContainer [2020-11-29 22:19:15,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:19:15,649 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 22:19:15,651 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 22:19:15,665 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 22:19:15,665 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:19:15" (1/1) ... [2020-11-29 22:19:15,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:19:15,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:15,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 61 states and 81 transitions. [2020-11-29 22:19:15,735 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2020-11-29 22:19:15,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 22:19:15,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:16,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:16,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:16,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2020-11-29 22:19:16,081 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2020-11-29 22:19:16,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 22:19:16,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:16,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:16,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:16,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2020-11-29 22:19:16,262 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2020-11-29 22:19:16,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 22:19:16,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:16,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:16,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:16,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 73 states and 103 transitions. [2020-11-29 22:19:16,637 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2020-11-29 22:19:16,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 22:19:16,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:16,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:16,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:16,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 74 states and 104 transitions. [2020-11-29 22:19:16,756 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2020-11-29 22:19:16,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 22:19:16,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:16,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:16,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:16,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 75 states and 105 transitions. [2020-11-29 22:19:16,881 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2020-11-29 22:19:16,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 22:19:16,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:16,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:16,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:16,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 76 states and 106 transitions. [2020-11-29 22:19:16,974 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2020-11-29 22:19:16,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 22:19:16,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:17,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:17,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:17,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 92 states and 139 transitions. [2020-11-29 22:19:17,813 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 139 transitions. [2020-11-29 22:19:17,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 22:19:17,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:17,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:18,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:18,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 98 states and 153 transitions. [2020-11-29 22:19:18,039 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 153 transitions. [2020-11-29 22:19:18,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 22:19:18,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:18,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:18,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:18,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 99 states and 154 transitions. [2020-11-29 22:19:18,133 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 154 transitions. [2020-11-29 22:19:18,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 22:19:18,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:18,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:19,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:19,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 118 states and 195 transitions. [2020-11-29 22:19:19,689 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2020-11-29 22:19:19,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 22:19:19,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:19,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:19,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:19,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 122 states and 201 transitions. [2020-11-29 22:19:19,895 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 201 transitions. [2020-11-29 22:19:19,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 22:19:19,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:19,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:20,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:20,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 126 states and 207 transitions. [2020-11-29 22:19:20,029 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 207 transitions. [2020-11-29 22:19:20,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 22:19:20,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:20,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:19:20,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:20,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 127 states and 208 transitions. [2020-11-29 22:19:20,108 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 208 transitions. [2020-11-29 22:19:20,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 22:19:20,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:20,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:19:20,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:20,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 131 states and 217 transitions. [2020-11-29 22:19:20,227 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 217 transitions. [2020-11-29 22:19:20,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 22:19:20,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:20,270 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:19:20,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:20,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 137 states and 229 transitions. [2020-11-29 22:19:20,430 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 229 transitions. [2020-11-29 22:19:20,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 22:19:20,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:20,505 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:19:20,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:20,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 138 states and 230 transitions. [2020-11-29 22:19:20,517 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 230 transitions. [2020-11-29 22:19:20,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 22:19:20,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:20,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:19:20,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:20,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 141 states and 238 transitions. [2020-11-29 22:19:20,841 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 238 transitions. [2020-11-29 22:19:20,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 22:19:20,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:20,911 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:19:21,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:21,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 144 states and 245 transitions. [2020-11-29 22:19:21,380 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 245 transitions. [2020-11-29 22:19:21,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 22:19:21,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:21,444 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:19:21,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:21,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 145 states and 246 transitions. [2020-11-29 22:19:21,472 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 246 transitions. [2020-11-29 22:19:21,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 22:19:21,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:21,863 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 22:19:23,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:23,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 152 states and 269 transitions. [2020-11-29 22:19:23,068 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 269 transitions. [2020-11-29 22:19:23,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 22:19:23,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:23,131 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:19:23,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:23,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 156 states and 278 transitions. [2020-11-29 22:19:23,420 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 278 transitions. [2020-11-29 22:19:23,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 22:19:23,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:23,515 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:19:23,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:23,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 157 states and 279 transitions. [2020-11-29 22:19:23,531 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 279 transitions. [2020-11-29 22:19:23,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 22:19:23,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:23,574 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:19:24,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:24,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 160 states and 286 transitions. [2020-11-29 22:19:24,002 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 286 transitions. [2020-11-29 22:19:24,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 22:19:24,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:24,070 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 22:19:24,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:24,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 167 states and 298 transitions. [2020-11-29 22:19:24,387 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 298 transitions. [2020-11-29 22:19:24,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 22:19:24,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:24,446 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:19:24,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:24,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 168 states and 298 transitions. [2020-11-29 22:19:24,465 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 298 transitions. [2020-11-29 22:19:24,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 22:19:24,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:24,507 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 22:19:24,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:24,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 169 states and 299 transitions. [2020-11-29 22:19:24,538 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 299 transitions. [2020-11-29 22:19:24,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 22:19:24,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:24,670 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:19:27,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:27,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 185 states and 343 transitions. [2020-11-29 22:19:27,327 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 343 transitions. [2020-11-29 22:19:27,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 22:19:27,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:27,394 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:19:29,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:29,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 197 states and 380 transitions. [2020-11-29 22:19:29,243 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 380 transitions. [2020-11-29 22:19:29,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 22:19:29,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:29,308 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 22:19:29,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:29,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 198 states and 380 transitions. [2020-11-29 22:19:29,327 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 380 transitions. [2020-11-29 22:19:29,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 22:19:29,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:29,373 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:19:31,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:31,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 206 states and 399 transitions. [2020-11-29 22:19:31,234 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 399 transitions. [2020-11-29 22:19:31,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 22:19:31,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:31,274 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 22:19:31,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:31,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 208 states and 406 transitions. [2020-11-29 22:19:31,748 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 406 transitions. [2020-11-29 22:19:31,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 22:19:31,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:31,823 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:19:31,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:31,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 209 states and 407 transitions. [2020-11-29 22:19:31,848 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 407 transitions. [2020-11-29 22:19:31,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 22:19:31,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:31,896 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:19:31,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:31,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 210 states and 408 transitions. [2020-11-29 22:19:31,923 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 408 transitions. [2020-11-29 22:19:31,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 22:19:31,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:31,972 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 22:19:33,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:33,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 216 states and 416 transitions. [2020-11-29 22:19:33,628 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 416 transitions. [2020-11-29 22:19:33,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 22:19:33,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:33,665 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 22:19:33,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:33,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 219 states and 422 transitions. [2020-11-29 22:19:33,694 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 422 transitions. [2020-11-29 22:19:33,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 22:19:33,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:33,737 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 22:19:34,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:34,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 224 states and 422 transitions. [2020-11-29 22:19:34,513 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 422 transitions. [2020-11-29 22:19:34,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 22:19:34,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:34,576 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 22:19:34,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:34,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 229 states and 432 transitions. [2020-11-29 22:19:34,810 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 432 transitions. [2020-11-29 22:19:34,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 22:19:34,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:34,865 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 22:19:35,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:35,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 236 states and 443 transitions. [2020-11-29 22:19:35,278 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 443 transitions. [2020-11-29 22:19:35,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 22:19:35,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:35,317 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 22:19:35,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:35,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 237 states and 444 transitions. [2020-11-29 22:19:35,350 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 444 transitions. [2020-11-29 22:19:35,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 22:19:35,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:35,389 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 22:19:35,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:35,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 238 states and 445 transitions. [2020-11-29 22:19:35,406 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 445 transitions. [2020-11-29 22:19:35,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 22:19:35,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:35,446 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 22:19:35,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:35,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 239 states and 446 transitions. [2020-11-29 22:19:35,477 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 446 transitions. [2020-11-29 22:19:35,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 22:19:35,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:35,539 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 22:19:36,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:36,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 240 states and 449 transitions. [2020-11-29 22:19:36,069 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 449 transitions. [2020-11-29 22:19:36,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 22:19:36,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:36,114 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 22:19:36,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:36,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 241 states and 450 transitions. [2020-11-29 22:19:36,157 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 450 transitions. [2020-11-29 22:19:36,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 22:19:36,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:36,210 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 22:19:36,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:36,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 242 states and 451 transitions. [2020-11-29 22:19:36,261 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 451 transitions. [2020-11-29 22:19:36,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 22:19:36,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:36,299 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 22:19:36,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:36,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 243 states and 454 transitions. [2020-11-29 22:19:36,648 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 454 transitions. [2020-11-29 22:19:36,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 22:19:36,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:36,688 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 22:19:36,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:36,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 245 states and 457 transitions. [2020-11-29 22:19:36,731 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 457 transitions. [2020-11-29 22:19:36,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 22:19:36,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:36,800 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 22:19:37,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:37,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 253 states and 474 transitions. [2020-11-29 22:19:37,816 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 474 transitions. [2020-11-29 22:19:37,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 22:19:37,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:37,857 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 22:19:38,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:38,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 256 states and 478 transitions. [2020-11-29 22:19:38,076 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 478 transitions. [2020-11-29 22:19:38,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 22:19:38,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:38,150 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 22:19:38,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:38,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 257 states and 478 transitions. [2020-11-29 22:19:38,171 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 478 transitions. [2020-11-29 22:19:38,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 22:19:38,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:38,221 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 22:19:38,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:38,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 258 states and 481 transitions. [2020-11-29 22:19:38,260 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 481 transitions. [2020-11-29 22:19:38,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 22:19:38,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:38,300 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 22:19:38,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:38,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 260 states and 483 transitions. [2020-11-29 22:19:38,706 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 483 transitions. [2020-11-29 22:19:38,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-29 22:19:38,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:38,749 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-29 22:19:38,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:38,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 263 states and 488 transitions. [2020-11-29 22:19:38,776 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 488 transitions. [2020-11-29 22:19:38,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-29 22:19:38,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:38,818 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-29 22:19:38,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:38,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 264 states and 489 transitions. [2020-11-29 22:19:38,855 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 489 transitions. [2020-11-29 22:19:38,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 22:19:38,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:38,892 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 22:19:38,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:38,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 265 states and 490 transitions. [2020-11-29 22:19:38,918 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 490 transitions. [2020-11-29 22:19:38,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-29 22:19:38,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:38,962 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-29 22:19:38,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:38,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 266 states and 491 transitions. [2020-11-29 22:19:38,990 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 491 transitions. [2020-11-29 22:19:38,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-29 22:19:38,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:39,062 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-29 22:19:39,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:39,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 267 states and 491 transitions. [2020-11-29 22:19:39,089 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 491 transitions. [2020-11-29 22:19:39,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-29 22:19:39,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:39,163 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-29 22:19:39,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:39,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 269 states and 493 transitions. [2020-11-29 22:19:39,202 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 493 transitions. [2020-11-29 22:19:39,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-11-29 22:19:39,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:19:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:19:39,251 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-29 22:19:39,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:19:39,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 88 states and 120 transitions. [2020-11-29 22:19:39,272 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2020-11-29 22:19:39,272 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:19:39,273 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 59 iterations. [2020-11-29 22:19:39,284 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 22:19:39,676 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-29 22:19:39,683 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:19:39,683 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:19:39,683 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:19:39,683 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:19:39,684 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:19:39,684 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:19:39,684 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:19:39,684 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:19:39,684 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-29 22:19:39,687 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:19:39,687 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:19:39,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 10:19:39 ImpRootNode [2020-11-29 22:19:39,688 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 22:19:39,689 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:19:39,689 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:19:39,689 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:19:39,690 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:19:15" (3/4) ... [2020-11-29 22:19:39,693 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:19:39,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-29 22:19:39,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 22:19:39,702 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 22:19:39,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-29 22:19:39,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 22:19:39,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 22:19:39,704 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-29 22:19:39,704 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-29 22:19:39,719 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2020-11-29 22:19:39,723 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-29 22:19:39,724 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 22:19:39,725 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 22:19:39,725 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 22:19:39,726 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:19:39,727 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:19:39,762 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)) [2020-11-29 22:19:39,834 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6407f848-1dfa-478b-9093-1116123f6c69/bin/ukojak/witness.graphml [2020-11-29 22:19:39,834 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:19:39,837 INFO L168 Benchmark]: Toolchain (without parser) took 26746.05 ms. Allocated memory was 90.2 MB in the beginning and 369.1 MB in the end (delta: 278.9 MB). Free memory was 59.9 MB in the beginning and 239.2 MB in the end (delta: -179.3 MB). Peak memory consumption was 98.9 MB. Max. memory is 16.1 GB. [2020-11-29 22:19:39,837 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 90.2 MB. Free memory was 47.7 MB in the beginning and 47.7 MB in the end (delta: 36.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:19:39,838 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.32 ms. Allocated memory is still 90.2 MB. Free memory was 59.6 MB in the beginning and 57.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:19:39,839 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.69 ms. Allocated memory is still 90.2 MB. Free memory was 57.7 MB in the beginning and 55.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:19:39,846 INFO L168 Benchmark]: Boogie Preprocessor took 45.43 ms. Allocated memory is still 90.2 MB. Free memory was 55.2 MB in the beginning and 53.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:19:39,847 INFO L168 Benchmark]: RCFGBuilder took 1775.89 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 53.6 MB in the beginning and 87.9 MB in the end (delta: -34.2 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2020-11-29 22:19:39,847 INFO L168 Benchmark]: CodeCheck took 24038.98 ms. Allocated memory was 111.1 MB in the beginning and 369.1 MB in the end (delta: 257.9 MB). Free memory was 87.9 MB in the beginning and 244.5 MB in the end (delta: -156.6 MB). Peak memory consumption was 100.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:19:39,848 INFO L168 Benchmark]: Witness Printer took 145.87 ms. Allocated memory is still 369.1 MB. Free memory was 244.5 MB in the beginning and 239.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:19:39,852 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.5s, OverallIterations: 59, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1630078048 SDtfs, -122578128 SDslu, -183876044 SDs, 0 SdLazy, -1404416512 SolverSat, 985360240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 75.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28884 GetRequests, 28586 SyntacticMatches, 24 SemanticMatches, 274 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34269 ImplicationChecksByTransitivity, 16.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2744 NumberOfCodeBlocks, 2744 NumberOfCodeBlocksAsserted, 58 NumberOfCheckSat, 2686 ConstructedInterpolants, 0 QuantifiedInterpolants, 250034 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 58 InterpolantComputations, 52 PerfectInterpolantSequences, 1117/1150 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: 903]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: 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 90.2 MB. Free memory was 47.7 MB in the beginning and 47.7 MB in the end (delta: 36.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 665.32 ms. Allocated memory is still 90.2 MB. Free memory was 59.6 MB in the beginning and 57.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.69 ms. Allocated memory is still 90.2 MB. Free memory was 57.7 MB in the beginning and 55.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.43 ms. Allocated memory is still 90.2 MB. Free memory was 55.2 MB in the beginning and 53.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1775.89 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 53.6 MB in the beginning and 87.9 MB in the end (delta: -34.2 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. * CodeCheck took 24038.98 ms. Allocated memory was 111.1 MB in the beginning and 369.1 MB in the end (delta: 257.9 MB). Free memory was 87.9 MB in the beginning and 244.5 MB in the end (delta: -156.6 MB). Peak memory consumption was 100.1 MB. Max. memory is 16.1 GB. * Witness Printer took 145.87 ms. Allocated memory is still 369.1 MB. Free memory was 244.5 MB in the beginning and 239.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...