./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product33_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a9c4bb5c-fb33-4eed-bd8f-530b190c09f4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a9c4bb5c-fb33-4eed-bd8f-530b190c09f4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a9c4bb5c-fb33-4eed-bd8f-530b190c09f4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a9c4bb5c-fb33-4eed-bd8f-530b190c09f4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product33_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a9c4bb5c-fb33-4eed-bd8f-530b190c09f4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a9c4bb5c-fb33-4eed-bd8f-530b190c09f4/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7aed16b7a73618bd36d72dc3243e4d7bd764fb49 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:25:27,942 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:25:27,942 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:25:27,949 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:25:27,949 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:25:27,950 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:25:27,951 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:25:27,952 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:25:27,953 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:25:27,954 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:25:27,954 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:25:27,955 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:25:27,955 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:25:27,956 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:25:27,957 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:25:27,957 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:25:27,958 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:25:27,959 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:25:27,961 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:25:27,962 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:25:27,963 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:25:27,964 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:25:27,965 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:25:27,965 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:25:27,966 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:25:27,966 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:25:27,967 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:25:27,967 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:25:27,968 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:25:27,969 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:25:27,969 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:25:27,969 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:25:27,970 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:25:27,970 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:25:27,970 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:25:27,971 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:25:27,971 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a9c4bb5c-fb33-4eed-bd8f-530b190c09f4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 00:25:27,982 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:25:27,982 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:25:27,982 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:25:27,983 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 00:25:27,983 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:25:27,983 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:25:27,983 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:25:27,984 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:25:27,984 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:25:27,984 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:25:27,984 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:25:27,984 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:25:27,984 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:25:27,984 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:25:27,985 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:25:27,985 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:25:27,985 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:25:27,985 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:25:27,985 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 00:25:27,985 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 00:25:27,986 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:25:27,986 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:25:27,986 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 00:25:27,986 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:25:27,986 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:25:27,986 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:25:27,986 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 00:25:27,987 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:25:27,987 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:25:27,987 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_a9c4bb5c-fb33-4eed-bd8f-530b190c09f4/bin-2019/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(__VERIFIER_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 -> 7aed16b7a73618bd36d72dc3243e4d7bd764fb49 [2018-12-09 00:25:28,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:25:28,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:25:28,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:25:28,020 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:25:28,021 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:25:28,021 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a9c4bb5c-fb33-4eed-bd8f-530b190c09f4/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product33_false-unreach-call_false-termination.cil.c [2018-12-09 00:25:28,057 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9c4bb5c-fb33-4eed-bd8f-530b190c09f4/bin-2019/ukojak/data/43f907ca3/9f68b77e468f42538641c61046d8e06f/FLAG28b53b9e0 [2018-12-09 00:25:28,474 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:25:28,475 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a9c4bb5c-fb33-4eed-bd8f-530b190c09f4/sv-benchmarks/c/product-lines/minepump_spec2_product33_false-unreach-call_false-termination.cil.c [2018-12-09 00:25:28,481 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9c4bb5c-fb33-4eed-bd8f-530b190c09f4/bin-2019/ukojak/data/43f907ca3/9f68b77e468f42538641c61046d8e06f/FLAG28b53b9e0 [2018-12-09 00:25:28,489 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a9c4bb5c-fb33-4eed-bd8f-530b190c09f4/bin-2019/ukojak/data/43f907ca3/9f68b77e468f42538641c61046d8e06f [2018-12-09 00:25:28,490 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:25:28,491 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:25:28,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:25:28,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:25:28,494 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:25:28,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:25:28" (1/1) ... [2018-12-09 00:25:28,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396438e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:25:28, skipping insertion in model container [2018-12-09 00:25:28,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:25:28" (1/1) ... [2018-12-09 00:25:28,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:25:28,520 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:25:28,665 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:25:28,708 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:25:28,747 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:25:28,763 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:25:28,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:25:28 WrapperNode [2018-12-09 00:25:28,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:25:28,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:25:28,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:25:28,764 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:25:28,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:25:28" (1/1) ... [2018-12-09 00:25:28,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:25:28" (1/1) ... [2018-12-09 00:25:28,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:25:28,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:25:28,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:25:28,794 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:25:28,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:25:28" (1/1) ... [2018-12-09 00:25:28,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:25:28" (1/1) ... [2018-12-09 00:25:28,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:25:28" (1/1) ... [2018-12-09 00:25:28,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:25:28" (1/1) ... [2018-12-09 00:25:28,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:25:28" (1/1) ... [2018-12-09 00:25:28,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:25:28" (1/1) ... [2018-12-09 00:25:28,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:25:28" (1/1) ... [2018-12-09 00:25:28,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:25:28,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:25:28,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:25:28,812 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:25:28,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:25:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9c4bb5c-fb33-4eed-bd8f-530b190c09f4/bin-2019/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 [2018-12-09 00:25:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:25:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 00:25:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 00:25:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 00:25:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 00:25:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 00:25:28,847 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 00:25:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 00:25:28,847 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 00:25:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 00:25:28,847 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 00:25:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 00:25:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 00:25:28,847 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 00:25:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:25:28,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:25:29,308 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:25:29,308 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-12-09 00:25:29,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:25:29 BoogieIcfgContainer [2018-12-09 00:25:29,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:25:29,309 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 00:25:29,309 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 00:25:29,315 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 00:25:29,315 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:25:29" (1/1) ... [2018-12-09 00:25:29,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:25:29,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:29,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2018-12-09 00:25:29,346 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2018-12-09 00:25:29,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 00:25:29,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:29,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:29,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:29,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2018-12-09 00:25:29,463 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2018-12-09 00:25:29,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 00:25:29,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:29,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:29,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:29,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-12-09 00:25:29,530 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-12-09 00:25:29,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 00:25:29,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:29,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:29,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:29,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2018-12-09 00:25:29,639 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2018-12-09 00:25:29,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 00:25:29,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:29,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:29,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:29,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 82 transitions. [2018-12-09 00:25:29,687 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2018-12-09 00:25:29,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 00:25:29,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:29,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:29,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 74 states and 112 transitions. [2018-12-09 00:25:29,956 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 112 transitions. [2018-12-09 00:25:29,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 00:25:29,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:30,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:30,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:30,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 85 states and 136 transitions. [2018-12-09 00:25:30,348 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 136 transitions. [2018-12-09 00:25:30,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 00:25:30,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:30,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:30,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:30,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 86 states and 137 transitions. [2018-12-09 00:25:30,379 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 137 transitions. [2018-12-09 00:25:30,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 00:25:30,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:30,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:30,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:30,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 87 states and 138 transitions. [2018-12-09 00:25:30,411 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 138 transitions. [2018-12-09 00:25:30,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 00:25:30,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:30,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:31,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:31,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 105 states and 179 transitions. [2018-12-09 00:25:31,152 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 179 transitions. [2018-12-09 00:25:31,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 00:25:31,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:31,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:31,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:31,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 108 states and 184 transitions. [2018-12-09 00:25:31,277 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2018-12-09 00:25:31,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 00:25:31,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:31,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:31,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:31,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 113 states and 197 transitions. [2018-12-09 00:25:31,378 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 197 transitions. [2018-12-09 00:25:31,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 00:25:31,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:31,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:31,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:31,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 115 states and 199 transitions. [2018-12-09 00:25:31,448 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 199 transitions. [2018-12-09 00:25:31,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 00:25:31,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:31,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:31,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:31,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 121 states and 212 transitions. [2018-12-09 00:25:31,857 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 212 transitions. [2018-12-09 00:25:31,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 00:25:31,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:31,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:31,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:31,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 122 states and 213 transitions. [2018-12-09 00:25:31,881 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 213 transitions. [2018-12-09 00:25:31,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 00:25:31,882 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:31,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:32,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:32,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 123 states and 214 transitions. [2018-12-09 00:25:32,006 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 214 transitions. [2018-12-09 00:25:32,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 00:25:32,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:32,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:25:32,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:32,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 124 states and 215 transitions. [2018-12-09 00:25:32,032 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 215 transitions. [2018-12-09 00:25:32,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 00:25:32,032 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:32,085 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:25:32,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:32,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 130 states and 231 transitions. [2018-12-09 00:25:32,360 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 231 transitions. [2018-12-09 00:25:32,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 00:25:32,361 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:32,378 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:25:32,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:32,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 128 states and 227 transitions. [2018-12-09 00:25:32,393 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 227 transitions. [2018-12-09 00:25:32,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 00:25:32,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:32,450 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:25:33,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:33,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 143 states and 259 transitions. [2018-12-09 00:25:33,085 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 259 transitions. [2018-12-09 00:25:33,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 00:25:33,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:33,316 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 00:25:34,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:34,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 146 states and 279 transitions. [2018-12-09 00:25:34,069 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 279 transitions. [2018-12-09 00:25:34,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 00:25:34,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:34,132 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 00:25:34,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:34,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 151 states and 296 transitions. [2018-12-09 00:25:34,643 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 296 transitions. [2018-12-09 00:25:34,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 00:25:34,644 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:34,736 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:25:35,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:35,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 156 states and 305 transitions. [2018-12-09 00:25:35,329 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 305 transitions. [2018-12-09 00:25:35,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 00:25:35,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:35,346 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:25:35,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:35,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 158 states and 309 transitions. [2018-12-09 00:25:35,502 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 309 transitions. [2018-12-09 00:25:35,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 00:25:35,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:35,563 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:25:36,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:36,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 167 states and 346 transitions. [2018-12-09 00:25:36,239 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 346 transitions. [2018-12-09 00:25:36,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 00:25:36,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:36,260 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:25:36,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:36,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 170 states and 349 transitions. [2018-12-09 00:25:36,494 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 349 transitions. [2018-12-09 00:25:36,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 00:25:36,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:36,526 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:25:36,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:36,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 177 states and 377 transitions. [2018-12-09 00:25:36,715 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 377 transitions. [2018-12-09 00:25:36,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 00:25:36,716 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:36,733 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:25:36,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:36,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 184 states and 390 transitions. [2018-12-09 00:25:36,918 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 390 transitions. [2018-12-09 00:25:36,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 00:25:36,919 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:36,931 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:25:37,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:37,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 193 states and 405 transitions. [2018-12-09 00:25:37,287 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 405 transitions. [2018-12-09 00:25:37,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 00:25:37,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:37,299 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:25:37,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:37,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 194 states and 406 transitions. [2018-12-09 00:25:37,312 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 406 transitions. [2018-12-09 00:25:37,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 00:25:37,313 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:37,329 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:25:37,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:37,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 195 states and 407 transitions. [2018-12-09 00:25:37,353 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 407 transitions. [2018-12-09 00:25:37,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 00:25:37,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:37,366 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:25:37,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:37,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 196 states and 408 transitions. [2018-12-09 00:25:37,545 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 408 transitions. [2018-12-09 00:25:37,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 00:25:37,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:37,556 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:25:38,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:38,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 210 states and 457 transitions. [2018-12-09 00:25:38,433 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 457 transitions. [2018-12-09 00:25:38,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 00:25:38,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:38,507 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 00:25:40,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:40,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 220 states and 502 transitions. [2018-12-09 00:25:40,099 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 502 transitions. [2018-12-09 00:25:40,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 00:25:40,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:40,111 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:25:40,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:40,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 227 states and 534 transitions. [2018-12-09 00:25:40,544 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 534 transitions. [2018-12-09 00:25:40,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 00:25:40,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:40,561 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:25:40,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:40,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 229 states and 545 transitions. [2018-12-09 00:25:40,792 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 545 transitions. [2018-12-09 00:25:40,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 00:25:40,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:40,805 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:25:41,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:41,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 231 states and 559 transitions. [2018-12-09 00:25:41,048 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 559 transitions. [2018-12-09 00:25:41,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 00:25:41,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:41,059 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:25:41,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:41,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 232 states and 560 transitions. [2018-12-09 00:25:41,070 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 560 transitions. [2018-12-09 00:25:41,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 00:25:41,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:41,081 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:25:41,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:41,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 239 states and 584 transitions. [2018-12-09 00:25:41,510 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 584 transitions. [2018-12-09 00:25:41,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 00:25:41,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:41,527 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 00:25:41,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:41,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 241 states and 591 transitions. [2018-12-09 00:25:41,744 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 591 transitions. [2018-12-09 00:25:41,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 00:25:41,745 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:41,760 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 00:25:42,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:42,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 246 states and 600 transitions. [2018-12-09 00:25:42,653 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 600 transitions. [2018-12-09 00:25:42,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 00:25:42,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:42,673 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:25:42,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:42,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 247 states and 601 transitions. [2018-12-09 00:25:42,905 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 601 transitions. [2018-12-09 00:25:42,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 00:25:42,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:42,915 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 00:25:44,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:44,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 256 states and 629 transitions. [2018-12-09 00:25:44,502 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 629 transitions. [2018-12-09 00:25:44,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 00:25:44,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:44,517 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 00:25:44,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:44,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 257 states and 632 transitions. [2018-12-09 00:25:44,804 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 632 transitions. [2018-12-09 00:25:44,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 00:25:44,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:45,139 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:25:47,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:47,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 260 states and 644 transitions. [2018-12-09 00:25:47,139 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 644 transitions. [2018-12-09 00:25:47,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 00:25:47,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:47,149 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:25:47,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:47,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 264 states and 653 transitions. [2018-12-09 00:25:47,655 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 653 transitions. [2018-12-09 00:25:47,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 00:25:47,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:47,667 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:25:47,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:47,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 271 states and 681 transitions. [2018-12-09 00:25:47,955 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 681 transitions. [2018-12-09 00:25:47,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 00:25:47,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:47,966 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:25:48,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:48,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 272 states and 684 transitions. [2018-12-09 00:25:48,217 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 684 transitions. [2018-12-09 00:25:48,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 00:25:48,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:25:48,823 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:25:57,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:25:57,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 290 states and 740 transitions. [2018-12-09 00:25:57,220 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 740 transitions. [2018-12-09 00:25:57,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 00:25:57,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:25:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:25:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:25:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:25:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:25:57,373 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 49 iterations. [2018-12-09 00:25:57,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:25:57 ImpRootNode [2018-12-09 00:25:57,464 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 00:25:57,464 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:25:57,464 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:25:57,465 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:25:57,465 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:25:29" (3/4) ... [2018-12-09 00:25:57,466 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 00:25:57,525 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a9c4bb5c-fb33-4eed-bd8f-530b190c09f4/bin-2019/ukojak/witness.graphml [2018-12-09 00:25:57,526 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:25:57,526 INFO L168 Benchmark]: Toolchain (without parser) took 29035.35 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 616.0 MB). Free memory was 957.1 MB in the beginning and 1.0 GB in the end (delta: -52.1 MB). Peak memory consumption was 563.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:25:57,527 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:25:57,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -147.9 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:25:57,527 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:25:57,527 INFO L168 Benchmark]: Boogie Preprocessor took 17.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:25:57,527 INFO L168 Benchmark]: RCFGBuilder took 496.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 11.5 GB. [2018-12-09 00:25:57,527 INFO L168 Benchmark]: CodeCheck took 28155.47 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 494.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -12.2 MB). Peak memory consumption was 482.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:25:57,528 INFO L168 Benchmark]: Witness Printer took 61.21 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:25:57,528 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 68 locations, 1 error locations. UNSAFE Result, 28.0s OverallTime, 49 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1044293720 SDtfs, -1211631904 SDslu, -294234348 SDs, 0 SdLazy, 502172956 SolverSat, -216148424 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22375 GetRequests, 21834 SyntacticMatches, 53 SemanticMatches, 488 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113872 ImplicationChecksByTransitivity, 24.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1881 NumberOfCodeBlocks, 1881 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 1782 ConstructedInterpolants, 0 QuantifiedInterpolants, 161318 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 48 InterpolantComputations, 38 PerfectInterpolantSequences, 465/506 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 284]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L85] int waterLevel = 1; [L86] int methaneLevelCritical = 0; [L179] int cleanupTimeShifts = 4; [L292] int pumpRunning = 0; [L293] int systemActive = 1; [L679] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L876] int methAndRunningLastTime ; [L257] int retValue_acc ; [L258] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L264] tmp = valid_product() [L266] COND TRUE \read(tmp) [L881] methAndRunningLastTime = 0 [L446] int splverifierCounter ; [L447] int tmp ; [L448] int tmp___0 ; [L449] int tmp___1 ; [L450] int tmp___2 ; [L453] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L455] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L457] COND TRUE splverifierCounter < 4 [L463] tmp = __VERIFIER_nondet_int() [L465] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L467] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L103] COND TRUE waterLevel < 2 [L104] waterLevel = waterLevel + 1 [L467] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L473] tmp___0 = __VERIFIER_nondet_int() [L475] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L477] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L115] COND FALSE !(\read(methaneLevelCritical)) [L118] methaneLevelCritical = 1 [L477] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L483] tmp___2 = __VERIFIER_nondet_int() [L485] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L498] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L300] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L307] COND TRUE \read(systemActive) [L329] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L332] COND TRUE ! pumpRunning [L426] int retValue_acc ; [L427] int tmp ; [L428] int tmp___0 ; [L165] int retValue_acc ; [L168] COND FALSE !(waterLevel < 2) [L172] retValue_acc = 0 [L173] return (retValue_acc); [L432] tmp = isHighWaterSensorDry() [L434] COND FALSE !(\read(tmp)) [L437] tmp___0 = 1 [L439] retValue_acc = tmp___0 [L440] return (retValue_acc); [L334] tmp = isHighWaterLevel() [L336] COND TRUE \read(tmp) [L357] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L886] int tmp ; [L887] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L891] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L124] int retValue_acc ; [L127] retValue_acc = methaneLevelCritical [L128] return (retValue_acc); [L891] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L891] tmp = isMethaneLevelCritical() [L893] COND TRUE \read(tmp) [L381] int retValue_acc ; [L384] retValue_acc = pumpRunning [L385] return (retValue_acc); [L895] tmp___0 = isPumpRunning() [L897] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L898] COND FALSE !(\read(methAndRunningLastTime)) [L903] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L498] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L455] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L457] COND TRUE splverifierCounter < 4 [L463] tmp = __VERIFIER_nondet_int() [L465] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L473] tmp___0 = __VERIFIER_nondet_int() [L475] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L483] tmp___2 = __VERIFIER_nondet_int() [L485] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L498] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L300] COND TRUE \read(pumpRunning) [L91] COND TRUE waterLevel > 0 [L92] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L307] COND TRUE \read(systemActive) [L329] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L332] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L347] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L886] int tmp ; [L887] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L891] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L124] int retValue_acc ; [L127] retValue_acc = methaneLevelCritical [L128] return (retValue_acc); [L891] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L891] tmp = isMethaneLevelCritical() [L893] COND TRUE \read(tmp) [L381] int retValue_acc ; [L384] retValue_acc = pumpRunning [L385] return (retValue_acc); [L895] tmp___0 = isPumpRunning() [L897] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L898] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L284] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -147.9 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 496.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 11.5 GB. * CodeCheck took 28155.47 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 494.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -12.2 MB). Peak memory consumption was 482.7 MB. Max. memory is 11.5 GB. * Witness Printer took 61.21 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...