./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5cd1d22a-9af8-4dde-baff-d3e95038d852/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5cd1d22a-9af8-4dde-baff-d3e95038d852/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5cd1d22a-9af8-4dde-baff-d3e95038d852/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5cd1d22a-9af8-4dde-baff-d3e95038d852/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5cd1d22a-9af8-4dde-baff-d3e95038d852/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5cd1d22a-9af8-4dde-baff-d3e95038d852/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 656a2bbc2fdeac83f3dcc893b23dff27702d34ec ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:12:05,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:12:05,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:12:05,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:12:05,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:12:05,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:12:05,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:12:05,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:12:05,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:12:05,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:12:05,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:12:05,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:12:05,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:12:05,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:12:05,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:12:05,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:12:05,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:12:05,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:12:05,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:12:05,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:12:05,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:12:05,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:12:05,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:12:05,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:12:05,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:12:05,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:12:05,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:12:05,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:12:05,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:12:05,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:12:05,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:12:05,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:12:05,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:12:05,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:12:05,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:12:05,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:12:05,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:12:05,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:12:05,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:12:05,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:12:05,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:12:05,565 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5cd1d22a-9af8-4dde-baff-d3e95038d852/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 22:12:05,604 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:12:05,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:12:05,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 22:12:05,608 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 22:12:05,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:12:05,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:12:05,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:12:05,609 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:12:05,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:12:05,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:12:05,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:12:05,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:12:05,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:12:05,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:12:05,612 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:12:05,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:12:05,613 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:12:05,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:12:05,613 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 22:12:05,614 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 22:12:05,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:12:05,614 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:12:05,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 22:12:05,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:12:05,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:12:05,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:12:05,615 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 22:12:05,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:12:05,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:12:05,618 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_5cd1d22a-9af8-4dde-baff-d3e95038d852/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5cd1d22a-9af8-4dde-baff-d3e95038d852/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 656a2bbc2fdeac83f3dcc893b23dff27702d34ec [2020-11-29 22:12:05,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:12:05,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:12:05,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:12:05,927 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:12:05,928 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:12:05,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5cd1d22a-9af8-4dde-baff-d3e95038d852/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2020-11-29 22:12:06,030 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5cd1d22a-9af8-4dde-baff-d3e95038d852/bin/ukojak/data/04ec68d99/a7bb4bd0d56643c685e42be2f533e949/FLAGd8c2552b3 [2020-11-29 22:12:06,621 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:12:06,622 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5cd1d22a-9af8-4dde-baff-d3e95038d852/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2020-11-29 22:12:06,636 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5cd1d22a-9af8-4dde-baff-d3e95038d852/bin/ukojak/data/04ec68d99/a7bb4bd0d56643c685e42be2f533e949/FLAGd8c2552b3 [2020-11-29 22:12:06,927 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5cd1d22a-9af8-4dde-baff-d3e95038d852/bin/ukojak/data/04ec68d99/a7bb4bd0d56643c685e42be2f533e949 [2020-11-29 22:12:06,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:12:06,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:12:06,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:12:06,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:12:06,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:12:06,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:12:06" (1/1) ... [2020-11-29 22:12:06,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a468ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:12:06, skipping insertion in model container [2020-11-29 22:12:06,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:12:06" (1/1) ... [2020-11-29 22:12:06,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:12:07,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:12:07,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:12:07,430 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:12:07,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:12:07,590 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:12:07,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:12:07 WrapperNode [2020-11-29 22:12:07,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:12:07,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:12:07,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:12:07,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:12:07,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:12:07" (1/1) ... [2020-11-29 22:12:07,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:12:07" (1/1) ... [2020-11-29 22:12:07,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:12:07,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:12:07,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:12:07,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:12:07,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:12:07" (1/1) ... [2020-11-29 22:12:07,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:12:07" (1/1) ... [2020-11-29 22:12:07,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:12:07" (1/1) ... [2020-11-29 22:12:07,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:12:07" (1/1) ... [2020-11-29 22:12:07,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:12:07" (1/1) ... [2020-11-29 22:12:07,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:12:07" (1/1) ... [2020-11-29 22:12:07,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:12:07" (1/1) ... [2020-11-29 22:12:07,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:12:07,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:12:07,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:12:07,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:12:07,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:12:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5cd1d22a-9af8-4dde-baff-d3e95038d852/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 22:12:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:12:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 22:12:07,783 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 22:12:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 22:12:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 22:12:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 22:12:07,786 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 22:12:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 22:12:07,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 22:12:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 22:12:07,788 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 22:12:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-29 22:12:07,789 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-29 22:12:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:12:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 22:12:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 22:12:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:12:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:12:09,333 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:12:09,333 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-29 22:12:09,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:12:09 BoogieIcfgContainer [2020-11-29 22:12:09,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:12:09,337 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 22:12:09,337 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 22:12:09,349 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 22:12:09,350 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:12:09" (1/1) ... [2020-11-29 22:12:09,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:12:09,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:09,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2020-11-29 22:12:09,410 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2020-11-29 22:12:09,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 22:12:09,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:09,660 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 22:12:09,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:09,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2020-11-29 22:12:09,674 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2020-11-29 22:12:09,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 22:12:09,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:09,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:12:09,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:09,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2020-11-29 22:12:09,847 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2020-11-29 22:12:09,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 22:12:09,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:09,995 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 22:12:10,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:10,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 67 states and 96 transitions. [2020-11-29 22:12:10,208 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 96 transitions. [2020-11-29 22:12:10,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 22:12:10,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:10,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:12:10,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:10,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 68 states and 97 transitions. [2020-11-29 22:12:10,305 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2020-11-29 22:12:10,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 22:12:10,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:10,453 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 22:12:11,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:11,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 84 states and 130 transitions. [2020-11-29 22:12:11,046 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2020-11-29 22:12:11,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 22:12:11,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:11,155 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 22:12:11,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:11,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 85 states and 131 transitions. [2020-11-29 22:12:11,184 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 131 transitions. [2020-11-29 22:12:11,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 22:12:11,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:11,313 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 22:12:12,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:12,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 97 states and 158 transitions. [2020-11-29 22:12:12,219 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 158 transitions. [2020-11-29 22:12:12,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 22:12:12,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:12,265 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 22:12:12,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:12,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 102 states and 167 transitions. [2020-11-29 22:12:12,292 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 167 transitions. [2020-11-29 22:12:12,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 22:12:12,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:12,334 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 22:12:12,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:12,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 106 states and 176 transitions. [2020-11-29 22:12:12,488 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 176 transitions. [2020-11-29 22:12:12,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 22:12:12,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:12,529 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 22:12:12,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:12,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 107 states and 177 transitions. [2020-11-29 22:12:12,538 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 177 transitions. [2020-11-29 22:12:12,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 22:12:12,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:12,576 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 22:12:12,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:12,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 108 states and 178 transitions. [2020-11-29 22:12:12,598 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 178 transitions. [2020-11-29 22:12:12,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 22:12:12,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:12,642 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 22:12:12,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:12,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 109 states and 179 transitions. [2020-11-29 22:12:12,658 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 179 transitions. [2020-11-29 22:12:12,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 22:12:12,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:12,697 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 22:12:12,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:12,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 114 states and 193 transitions. [2020-11-29 22:12:12,838 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 193 transitions. [2020-11-29 22:12:12,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 22:12:12,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:12,881 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 22:12:12,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:12,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 115 states and 194 transitions. [2020-11-29 22:12:12,907 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 194 transitions. [2020-11-29 22:12:12,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 22:12:12,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:12,942 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 22:12:12,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:12,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 116 states and 195 transitions. [2020-11-29 22:12:12,979 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 195 transitions. [2020-11-29 22:12:12,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 22:12:12,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:13,069 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 22:12:13,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:13,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 126 states and 215 transitions. [2020-11-29 22:12:13,648 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 215 transitions. [2020-11-29 22:12:13,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 22:12:13,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:13,689 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 22:12:13,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:13,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 126 states and 214 transitions. [2020-11-29 22:12:13,714 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 214 transitions. [2020-11-29 22:12:13,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 22:12:13,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:13,828 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 22:12:14,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:14,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 129 states and 222 transitions. [2020-11-29 22:12:14,090 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 222 transitions. [2020-11-29 22:12:14,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 22:12:14,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:14,156 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 22:12:14,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:14,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 135 states and 234 transitions. [2020-11-29 22:12:14,299 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 234 transitions. [2020-11-29 22:12:14,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 22:12:14,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:14,360 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 22:12:14,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:14,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 136 states and 235 transitions. [2020-11-29 22:12:14,372 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 235 transitions. [2020-11-29 22:12:14,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 22:12:14,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:14,412 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 22:12:14,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:14,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 139 states and 242 transitions. [2020-11-29 22:12:14,950 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 242 transitions. [2020-11-29 22:12:14,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 22:12:14,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:14,993 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 22:12:15,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:15,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 140 states and 243 transitions. [2020-11-29 22:12:15,020 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 243 transitions. [2020-11-29 22:12:15,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 22:12:15,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:15,525 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 22:12:16,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:16,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 147 states and 266 transitions. [2020-11-29 22:12:16,766 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 266 transitions. [2020-11-29 22:12:16,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 22:12:16,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:16,836 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 22:12:17,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:17,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 154 states and 278 transitions. [2020-11-29 22:12:17,082 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 278 transitions. [2020-11-29 22:12:17,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 22:12:17,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:17,149 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 22:12:17,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:17,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 155 states and 278 transitions. [2020-11-29 22:12:17,162 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 278 transitions. [2020-11-29 22:12:17,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 22:12:17,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:17,201 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 22:12:17,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:17,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 159 states and 287 transitions. [2020-11-29 22:12:17,494 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 287 transitions. [2020-11-29 22:12:17,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 22:12:17,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:17,541 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 22:12:18,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:18,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 163 states and 295 transitions. [2020-11-29 22:12:18,041 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 295 transitions. [2020-11-29 22:12:18,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 22:12:18,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:18,087 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 22:12:18,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:18,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 170 states and 307 transitions. [2020-11-29 22:12:18,276 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 307 transitions. [2020-11-29 22:12:18,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 22:12:18,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:18,418 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:12:19,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:19,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 178 states and 335 transitions. [2020-11-29 22:12:19,941 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 335 transitions. [2020-11-29 22:12:19,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 22:12:19,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:19,973 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 22:12:20,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:20,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 179 states and 336 transitions. [2020-11-29 22:12:20,011 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 336 transitions. [2020-11-29 22:12:20,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 22:12:20,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:20,043 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 22:12:21,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:21,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 195 states and 380 transitions. [2020-11-29 22:12:21,447 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 380 transitions. [2020-11-29 22:12:21,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 22:12:21,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:21,481 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 22:12:21,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:21,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 196 states and 380 transitions. [2020-11-29 22:12:21,495 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 380 transitions. [2020-11-29 22:12:21,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 22:12:21,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:21,527 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 22:12:22,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:22,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 206 states and 397 transitions. [2020-11-29 22:12:22,784 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 397 transitions. [2020-11-29 22:12:22,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 22:12:22,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:22,817 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 22:12:23,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:23,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 209 states and 403 transitions. [2020-11-29 22:12:23,417 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 403 transitions. [2020-11-29 22:12:23,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 22:12:23,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:23,444 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 22:12:25,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:25,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 217 states and 424 transitions. [2020-11-29 22:12:25,426 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 424 transitions. [2020-11-29 22:12:25,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 22:12:25,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:25,461 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 22:12:25,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:25,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 220 states and 430 transitions. [2020-11-29 22:12:25,488 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 430 transitions. [2020-11-29 22:12:25,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 22:12:25,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:25,517 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 22:12:25,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:25,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 221 states and 432 transitions. [2020-11-29 22:12:25,550 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 432 transitions. [2020-11-29 22:12:25,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 22:12:25,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:25,584 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 22:12:25,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:25,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 222 states and 433 transitions. [2020-11-29 22:12:25,634 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 433 transitions. [2020-11-29 22:12:25,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 22:12:25,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:25,719 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 22:12:25,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:25,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 223 states and 434 transitions. [2020-11-29 22:12:25,744 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 434 transitions. [2020-11-29 22:12:25,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 22:12:25,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:25,810 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 22:12:25,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:25,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 225 states and 436 transitions. [2020-11-29 22:12:25,847 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 436 transitions. [2020-11-29 22:12:25,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 22:12:25,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:25,899 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:12:26,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:26,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 228 states and 432 transitions. [2020-11-29 22:12:26,616 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 432 transitions. [2020-11-29 22:12:26,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 22:12:26,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:26,652 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 22:12:27,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:27,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 229 states and 435 transitions. [2020-11-29 22:12:27,085 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 435 transitions. [2020-11-29 22:12:27,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 22:12:27,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:27,125 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 22:12:27,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:27,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 234 states and 444 transitions. [2020-11-29 22:12:27,297 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 444 transitions. [2020-11-29 22:12:27,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 22:12:27,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:27,342 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 22:12:27,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:27,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 239 states and 452 transitions. [2020-11-29 22:12:27,685 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 452 transitions. [2020-11-29 22:12:27,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 22:12:27,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:27,716 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 22:12:27,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:27,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 240 states and 452 transitions. [2020-11-29 22:12:27,730 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 452 transitions. [2020-11-29 22:12:27,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 22:12:27,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:27,766 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 22:12:27,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:27,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 241 states and 453 transitions. [2020-11-29 22:12:27,821 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 453 transitions. [2020-11-29 22:12:27,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 22:12:27,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:27,871 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 22:12:27,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:27,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 242 states and 454 transitions. [2020-11-29 22:12:27,898 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 454 transitions. [2020-11-29 22:12:27,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 22:12:27,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:27,940 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 22:12:28,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:28,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 243 states and 457 transitions. [2020-11-29 22:12:28,294 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 457 transitions. [2020-11-29 22:12:28,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 22:12:28,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:28,326 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 22:12:28,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:28,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 245 states and 462 transitions. [2020-11-29 22:12:28,371 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 462 transitions. [2020-11-29 22:12:28,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 22:12:28,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:28,403 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 22:12:28,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:28,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 246 states and 462 transitions. [2020-11-29 22:12:28,421 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 462 transitions. [2020-11-29 22:12:28,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 22:12:28,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:28,461 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 22:12:28,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:28,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 249 states and 466 transitions. [2020-11-29 22:12:28,613 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 466 transitions. [2020-11-29 22:12:28,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-29 22:12:28,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:28,648 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 22:12:28,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:28,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 252 states and 471 transitions. [2020-11-29 22:12:28,677 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 471 transitions. [2020-11-29 22:12:28,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 22:12:28,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:28,711 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 22:12:28,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:28,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 253 states and 472 transitions. [2020-11-29 22:12:28,736 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 472 transitions. [2020-11-29 22:12:28,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-29 22:12:28,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:28,771 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 22:12:28,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:28,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 254 states and 473 transitions. [2020-11-29 22:12:28,808 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 473 transitions. [2020-11-29 22:12:28,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-29 22:12:28,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:28,843 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 22:12:28,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:28,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 255 states and 474 transitions. [2020-11-29 22:12:28,872 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 474 transitions. [2020-11-29 22:12:28,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-29 22:12:28,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:28,936 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 22:12:28,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:28,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 257 states and 476 transitions. [2020-11-29 22:12:28,972 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 476 transitions. [2020-11-29 22:12:28,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-11-29 22:12:28,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:12:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:12:29,027 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 22:12:29,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:12:29,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 88 states and 120 transitions. [2020-11-29 22:12:29,044 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2020-11-29 22:12:29,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:12:29,045 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 58 iterations. [2020-11-29 22:12:29,055 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 22:12:29,495 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-29 22:12:29,507 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-29 22:12:29,512 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:12:29,513 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:12:29,513 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:12:29,513 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:12:29,513 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:12:29,514 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-11-29 22:12:29,515 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:12:29,515 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:12:29,515 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:12:29,516 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:12:29,516 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:12:29,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 10:12:29 ImpRootNode [2020-11-29 22:12:29,517 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 22:12:29,517 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:12:29,517 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:12:29,518 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:12:29,519 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:12:09" (3/4) ... [2020-11-29 22:12:29,535 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:12:29,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-29 22:12:29,543 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-29 22:12:29,543 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 22:12:29,543 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 22:12:29,544 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 22:12:29,544 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-29 22:12:29,544 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 22:12:29,563 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2020-11-29 22:12:29,563 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-29 22:12:29,565 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 22:12:29,565 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 22:12:29,566 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 22:12:29,567 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:12:29,567 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:12:29,597 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 22:12:29,598 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) [2020-11-29 22:12:29,663 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5cd1d22a-9af8-4dde-baff-d3e95038d852/bin/ukojak/witness.graphml [2020-11-29 22:12:29,663 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:12:29,664 INFO L168 Benchmark]: Toolchain (without parser) took 22733.28 ms. Allocated memory was 113.2 MB in the beginning and 362.8 MB in the end (delta: 249.6 MB). Free memory was 86.8 MB in the beginning and 226.1 MB in the end (delta: -139.3 MB). Peak memory consumption was 109.9 MB. Max. memory is 16.1 GB. [2020-11-29 22:12:29,665 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 77.6 MB. Free memory is still 37.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:12:29,665 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.46 ms. Allocated memory is still 113.2 MB. Free memory was 86.6 MB in the beginning and 79.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:12:29,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.49 ms. Allocated memory is still 113.2 MB. Free memory was 79.7 MB in the beginning and 77.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:12:29,666 INFO L168 Benchmark]: Boogie Preprocessor took 33.87 ms. Allocated memory is still 113.2 MB. Free memory was 77.3 MB in the beginning and 75.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:12:29,666 INFO L168 Benchmark]: RCFGBuilder took 1650.82 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 75.3 MB in the beginning and 105.2 MB in the end (delta: -29.9 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:12:29,667 INFO L168 Benchmark]: CodeCheck took 20179.90 ms. Allocated memory was 144.7 MB in the beginning and 362.8 MB in the end (delta: 218.1 MB). Free memory was 104.6 MB in the beginning and 231.3 MB in the end (delta: -126.8 MB). Peak memory consumption was 91.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:12:29,667 INFO L168 Benchmark]: Witness Printer took 145.67 ms. Allocated memory is still 362.8 MB. Free memory was 231.3 MB in the beginning and 226.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:12:29,669 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.6s, OverallIterations: 58, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1513369680 SDtfs, -1068265328 SDslu, 1524476964 SDs, 0 SdLazy, -266441792 SolverSat, 266193056 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 64.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26066 GetRequests, 25784 SyntacticMatches, 18 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30973 ImplicationChecksByTransitivity, 13.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2501 NumberOfCodeBlocks, 2501 NumberOfCodeBlocksAsserted, 57 NumberOfCheckSat, 2444 ConstructedInterpolants, 0 QuantifiedInterpolants, 218719 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 57 InterpolantComputations, 49 PerfectInterpolantSequences, 919/958 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 77.6 MB. Free memory is still 37.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 659.46 ms. Allocated memory is still 113.2 MB. Free memory was 86.6 MB in the beginning and 79.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.49 ms. Allocated memory is still 113.2 MB. Free memory was 79.7 MB in the beginning and 77.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.87 ms. Allocated memory is still 113.2 MB. Free memory was 77.3 MB in the beginning and 75.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1650.82 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 75.3 MB in the beginning and 105.2 MB in the end (delta: -29.9 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. * CodeCheck took 20179.90 ms. Allocated memory was 144.7 MB in the beginning and 362.8 MB in the end (delta: 218.1 MB). Free memory was 104.6 MB in the beginning and 231.3 MB in the end (delta: -126.8 MB). Peak memory consumption was 91.4 MB. Max. memory is 16.1 GB. * Witness Printer took 145.67 ms. Allocated memory is still 362.8 MB. Free memory was 231.3 MB in the beginning and 226.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...