./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product19_true-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_7639d150-ff28-4230-a2b9-128d3873cad1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7639d150-ff28-4230-a2b9-128d3873cad1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7639d150-ff28-4230-a2b9-128d3873cad1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7639d150-ff28-4230-a2b9-128d3873cad1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product19_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7639d150-ff28-4230-a2b9-128d3873cad1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7639d150-ff28-4230-a2b9-128d3873cad1/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 db72a434ba2554f10f7540a58e5ab1c726dc8fbe ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:21:08,610 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:21:08,611 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:21:08,617 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:21:08,617 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:21:08,618 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:21:08,618 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:21:08,619 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:21:08,620 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:21:08,620 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:21:08,621 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:21:08,621 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:21:08,621 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:21:08,622 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:21:08,622 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:21:08,623 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:21:08,623 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:21:08,624 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:21:08,625 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:21:08,626 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:21:08,626 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:21:08,627 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:21:08,628 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:21:08,628 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:21:08,628 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:21:08,629 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:21:08,629 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:21:08,630 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:21:08,630 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:21:08,631 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:21:08,631 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:21:08,631 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:21:08,631 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:21:08,631 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:21:08,632 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:21:08,632 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:21:08,632 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7639d150-ff28-4230-a2b9-128d3873cad1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 00:21:08,639 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:21:08,639 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:21:08,640 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:21:08,640 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 00:21:08,640 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:21:08,641 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:21:08,641 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:21:08,641 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:21:08,641 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:21:08,641 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:21:08,641 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:21:08,641 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:21:08,641 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:21:08,642 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:21:08,642 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:21:08,642 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:21:08,642 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:21:08,642 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:21:08,642 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 00:21:08,642 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 00:21:08,643 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:21:08,643 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:21:08,643 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 00:21:08,643 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:21:08,643 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:21:08,643 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:21:08,643 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 00:21:08,643 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:21:08,644 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:21:08,644 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_7639d150-ff28-4230-a2b9-128d3873cad1/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 -> db72a434ba2554f10f7540a58e5ab1c726dc8fbe [2018-12-09 00:21:08,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:21:08,670 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:21:08,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:21:08,674 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:21:08,674 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:21:08,675 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7639d150-ff28-4230-a2b9-128d3873cad1/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product19_true-unreach-call_false-termination.cil.c [2018-12-09 00:21:08,713 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7639d150-ff28-4230-a2b9-128d3873cad1/bin-2019/ukojak/data/c8e8db8d7/752159e1dc7b4e72b8209463d0befb93/FLAGa4774a852 [2018-12-09 00:21:09,136 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:21:09,137 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7639d150-ff28-4230-a2b9-128d3873cad1/sv-benchmarks/c/product-lines/minepump_spec1_product19_true-unreach-call_false-termination.cil.c [2018-12-09 00:21:09,143 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7639d150-ff28-4230-a2b9-128d3873cad1/bin-2019/ukojak/data/c8e8db8d7/752159e1dc7b4e72b8209463d0befb93/FLAGa4774a852 [2018-12-09 00:21:09,151 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7639d150-ff28-4230-a2b9-128d3873cad1/bin-2019/ukojak/data/c8e8db8d7/752159e1dc7b4e72b8209463d0befb93 [2018-12-09 00:21:09,153 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:21:09,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:21:09,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:21:09,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:21:09,156 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:21:09,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:21:09" (1/1) ... [2018-12-09 00:21:09,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:09, skipping insertion in model container [2018-12-09 00:21:09,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:21:09" (1/1) ... [2018-12-09 00:21:09,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:21:09,183 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:21:09,326 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:21:09,369 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:21:09,425 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:21:09,443 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:21:09,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:09 WrapperNode [2018-12-09 00:21:09,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:21:09,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:21:09,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:21:09,444 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:21:09,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:09" (1/1) ... [2018-12-09 00:21:09,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:09" (1/1) ... [2018-12-09 00:21:09,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:21:09,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:21:09,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:21:09,482 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:21:09,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:09" (1/1) ... [2018-12-09 00:21:09,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:09" (1/1) ... [2018-12-09 00:21:09,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:09" (1/1) ... [2018-12-09 00:21:09,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:09" (1/1) ... [2018-12-09 00:21:09,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:09" (1/1) ... [2018-12-09 00:21:09,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:09" (1/1) ... [2018-12-09 00:21:09,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:09" (1/1) ... [2018-12-09 00:21:09,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:21:09,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:21:09,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:21:09,501 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:21:09,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:21:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7639d150-ff28-4230-a2b9-128d3873cad1/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 00:21:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:21:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 00:21:09,535 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 00:21:09,535 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 00:21:09,535 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 00:21:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 00:21:09,536 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 00:21:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 00:21:09,536 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 00:21:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 00:21:09,536 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 00:21:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 00:21:09,536 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 00:21:09,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 00:21:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 00:21:09,537 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 00:21:09,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:21:09,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:21:09,908 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:21:09,908 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-09 00:21:09,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:21:09 BoogieIcfgContainer [2018-12-09 00:21:09,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:21:09,909 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 00:21:09,909 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 00:21:09,919 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 00:21:09,919 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:21:09" (1/1) ... [2018-12-09 00:21:09,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:21:09,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:09,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2018-12-09 00:21:09,963 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2018-12-09 00:21:09,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 00:21:09,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:10,088 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 00:21:10,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:10,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2018-12-09 00:21:10,096 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2018-12-09 00:21:10,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 00:21:10,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:10,148 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 00:21:10,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:10,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2018-12-09 00:21:10,167 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2018-12-09 00:21:10,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 00:21:10,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:10,208 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 00:21:10,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:10,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2018-12-09 00:21:10,281 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2018-12-09 00:21:10,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 00:21:10,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:10,315 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 00:21:10,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:10,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2018-12-09 00:21:10,320 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2018-12-09 00:21:10,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 00:21:10,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:10,351 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 00:21:10,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:10,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2018-12-09 00:21:10,363 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2018-12-09 00:21:10,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 00:21:10,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:10,387 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 00:21:10,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:10,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2018-12-09 00:21:10,395 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2018-12-09 00:21:10,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 00:21:10,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:10,467 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 00:21:10,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:10,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 86 states and 135 transitions. [2018-12-09 00:21:10,697 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 135 transitions. [2018-12-09 00:21:10,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 00:21:10,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:10,724 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 00:21:10,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:10,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 87 states and 136 transitions. [2018-12-09 00:21:10,735 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 136 transitions. [2018-12-09 00:21:10,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 00:21:10,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:10,799 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 00:21:11,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:11,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 106 states and 177 transitions. [2018-12-09 00:21:11,397 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 177 transitions. [2018-12-09 00:21:11,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 00:21:11,398 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:11,418 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 00:21:11,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:11,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 111 states and 186 transitions. [2018-12-09 00:21:11,446 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 186 transitions. [2018-12-09 00:21:11,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 00:21:11,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:11,470 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 00:21:11,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:11,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 117 states and 199 transitions. [2018-12-09 00:21:11,568 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 199 transitions. [2018-12-09 00:21:11,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 00:21:11,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:11,590 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 00:21:11,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:11,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 121 states and 205 transitions. [2018-12-09 00:21:11,614 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 205 transitions. [2018-12-09 00:21:11,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 00:21:11,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:11,627 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 00:21:11,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:11,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 122 states and 206 transitions. [2018-12-09 00:21:11,642 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 206 transitions. [2018-12-09 00:21:11,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 00:21:11,643 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:11,655 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 00:21:11,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:11,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 123 states and 207 transitions. [2018-12-09 00:21:11,659 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 207 transitions. [2018-12-09 00:21:11,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 00:21:11,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:11,688 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 00:21:11,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:11,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 124 states and 208 transitions. [2018-12-09 00:21:11,695 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 208 transitions. [2018-12-09 00:21:11,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 00:21:11,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:11,734 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 00:21:11,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:11,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 127 states and 216 transitions. [2018-12-09 00:21:11,846 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 216 transitions. [2018-12-09 00:21:11,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 00:21:11,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:11,884 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 00:21:12,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:12,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 134 states and 235 transitions. [2018-12-09 00:21:12,044 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 235 transitions. [2018-12-09 00:21:12,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 00:21:12,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:12,058 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 00:21:12,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:12,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 135 states and 236 transitions. [2018-12-09 00:21:12,069 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 236 transitions. [2018-12-09 00:21:12,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 00:21:12,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:12,088 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 00:21:12,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:12,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 133 states and 232 transitions. [2018-12-09 00:21:12,109 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 232 transitions. [2018-12-09 00:21:12,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 00:21:12,110 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:12,346 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 00:21:12,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:12,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 140 states and 245 transitions. [2018-12-09 00:21:12,968 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 245 transitions. [2018-12-09 00:21:12,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 00:21:12,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:12,981 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 00:21:13,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:13,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 143 states and 252 transitions. [2018-12-09 00:21:13,285 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 252 transitions. [2018-12-09 00:21:13,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 00:21:13,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:13,303 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 00:21:13,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:13,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 146 states and 259 transitions. [2018-12-09 00:21:13,447 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 259 transitions. [2018-12-09 00:21:13,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 00:21:13,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:13,485 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 00:21:13,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:13,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 156 states and 279 transitions. [2018-12-09 00:21:13,777 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 279 transitions. [2018-12-09 00:21:13,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 00:21:13,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:13,797 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 00:21:13,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:13,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 163 states and 291 transitions. [2018-12-09 00:21:13,994 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 291 transitions. [2018-12-09 00:21:13,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 00:21:13,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:14,008 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 00:21:14,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:14,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 164 states and 292 transitions. [2018-12-09 00:21:14,022 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 292 transitions. [2018-12-09 00:21:14,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 00:21:14,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:14,045 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 00:21:14,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:14,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 167 states and 300 transitions. [2018-12-09 00:21:14,258 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 300 transitions. [2018-12-09 00:21:14,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-09 00:21:14,259 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:14,270 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 00:21:14,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:14,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 169 states and 302 transitions. [2018-12-09 00:21:14,384 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 302 transitions. [2018-12-09 00:21:14,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 00:21:14,384 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:14,413 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 00:21:14,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:14,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 170 states and 310 transitions. [2018-12-09 00:21:14,420 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 310 transitions. [2018-12-09 00:21:14,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 00:21:14,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:14,437 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:21:14,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:14,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 171 states and 310 transitions. [2018-12-09 00:21:14,443 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 310 transitions. [2018-12-09 00:21:14,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 00:21:14,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:14,507 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:21:15,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:15,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 179 states and 330 transitions. [2018-12-09 00:21:15,129 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 330 transitions. [2018-12-09 00:21:15,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 00:21:15,130 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:15,164 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 00:21:15,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:15,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 180 states and 331 transitions. [2018-12-09 00:21:15,174 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 331 transitions. [2018-12-09 00:21:15,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 00:21:15,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:15,205 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 00:21:15,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:15,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 181 states and 332 transitions. [2018-12-09 00:21:15,220 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 332 transitions. [2018-12-09 00:21:15,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 00:21:15,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:15,232 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:21:15,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:15,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 183 states and 342 transitions. [2018-12-09 00:21:15,385 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 342 transitions. [2018-12-09 00:21:15,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 00:21:15,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:15,398 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:21:15,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:15,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 186 states and 347 transitions. [2018-12-09 00:21:15,408 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 347 transitions. [2018-12-09 00:21:15,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 00:21:15,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:15,425 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:21:15,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:15,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 194 states and 369 transitions. [2018-12-09 00:21:15,710 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 369 transitions. [2018-12-09 00:21:15,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 00:21:15,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:15,722 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 00:21:15,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:15,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 195 states and 370 transitions. [2018-12-09 00:21:15,731 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 370 transitions. [2018-12-09 00:21:15,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 00:21:15,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:21:15,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:15,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 197 states and 371 transitions. [2018-12-09 00:21:15,888 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 371 transitions. [2018-12-09 00:21:15,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 00:21:15,888 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:15,899 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:21:17,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:17,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 213 states and 416 transitions. [2018-12-09 00:21:17,135 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 416 transitions. [2018-12-09 00:21:17,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 00:21:17,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:17,148 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:21:17,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:17,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 215 states and 417 transitions. [2018-12-09 00:21:17,305 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 417 transitions. [2018-12-09 00:21:17,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 00:21:17,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:17,323 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:21:18,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:18,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 225 states and 433 transitions. [2018-12-09 00:21:18,259 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 433 transitions. [2018-12-09 00:21:18,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 00:21:18,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:18,273 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:21:18,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:18,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 227 states and 434 transitions. [2018-12-09 00:21:18,433 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 434 transitions. [2018-12-09 00:21:18,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 00:21:18,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:18,447 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:21:18,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:18,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 225 states and 424 transitions. [2018-12-09 00:21:18,616 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 424 transitions. [2018-12-09 00:21:18,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 00:21:18,617 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:18,627 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:21:18,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:18,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 226 states and 424 transitions. [2018-12-09 00:21:18,632 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 424 transitions. [2018-12-09 00:21:18,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 00:21:18,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:18,644 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 00:21:18,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:18,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 227 states and 424 transitions. [2018-12-09 00:21:18,649 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 424 transitions. [2018-12-09 00:21:18,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 00:21:18,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:18,663 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:21:18,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:18,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 228 states and 425 transitions. [2018-12-09 00:21:18,675 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 425 transitions. [2018-12-09 00:21:18,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 00:21:18,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:18,692 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:21:18,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:18,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 229 states and 426 transitions. [2018-12-09 00:21:18,704 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 426 transitions. [2018-12-09 00:21:18,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 00:21:18,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:18,716 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:21:18,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:18,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 230 states and 427 transitions. [2018-12-09 00:21:18,728 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 427 transitions. [2018-12-09 00:21:18,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 00:21:18,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:18,744 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:21:18,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:18,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 231 states and 428 transitions. [2018-12-09 00:21:18,756 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 428 transitions. [2018-12-09 00:21:18,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 00:21:18,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:18,772 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:21:18,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:18,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 233 states and 430 transitions. [2018-12-09 00:21:18,957 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 430 transitions. [2018-12-09 00:21:18,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 00:21:18,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:19,019 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 00:21:19,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:19,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 236 states and 434 transitions. [2018-12-09 00:21:19,085 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 434 transitions. [2018-12-09 00:21:19,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 00:21:19,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:19,095 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:21:19,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:19,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 237 states and 435 transitions. [2018-12-09 00:21:19,108 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 435 transitions. [2018-12-09 00:21:19,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 00:21:19,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:19,122 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 00:21:19,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:19,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 241 states and 442 transitions. [2018-12-09 00:21:19,221 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 442 transitions. [2018-12-09 00:21:19,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 00:21:19,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:21:20,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:20,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 249 states and 458 transitions. [2018-12-09 00:21:20,317 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 458 transitions. [2018-12-09 00:21:20,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 00:21:20,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:20,328 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 00:21:20,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:20,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 250 states and 458 transitions. [2018-12-09 00:21:20,345 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 458 transitions. [2018-12-09 00:21:20,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 00:21:20,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:20,361 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 00:21:20,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:20,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 255 states and 468 transitions. [2018-12-09 00:21:20,784 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 468 transitions. [2018-12-09 00:21:20,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 00:21:20,785 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:20,794 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 00:21:20,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:20,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 253 states and 464 transitions. [2018-12-09 00:21:20,807 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 464 transitions. [2018-12-09 00:21:20,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 00:21:20,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:20,817 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 00:21:20,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:20,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 254 states and 467 transitions. [2018-12-09 00:21:20,999 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 467 transitions. [2018-12-09 00:21:20,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 00:21:20,999 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:21,149 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 00:21:22,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:22,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 256 states and 468 transitions. [2018-12-09 00:21:22,066 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 468 transitions. [2018-12-09 00:21:22,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 00:21:22,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:22,076 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 00:21:22,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:22,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 257 states and 468 transitions. [2018-12-09 00:21:22,096 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 468 transitions. [2018-12-09 00:21:22,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 00:21:22,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:22,106 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 00:21:22,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:22,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 259 states and 471 transitions. [2018-12-09 00:21:22,219 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 471 transitions. [2018-12-09 00:21:22,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 00:21:22,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:22,229 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 00:21:22,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:22,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 261 states and 473 transitions. [2018-12-09 00:21:22,242 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 473 transitions. [2018-12-09 00:21:22,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 00:21:22,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:22,252 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 00:21:22,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:22,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 259 states and 469 transitions. [2018-12-09 00:21:22,269 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 469 transitions. [2018-12-09 00:21:22,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 00:21:22,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:22,374 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:21:22,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:22,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 265 states and 481 transitions. [2018-12-09 00:21:22,594 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 481 transitions. [2018-12-09 00:21:22,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 00:21:22,595 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:22,708 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:21:22,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:22,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 266 states and 481 transitions. [2018-12-09 00:21:22,721 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 481 transitions. [2018-12-09 00:21:22,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 00:21:22,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:22,731 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 00:21:22,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:22,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 267 states and 481 transitions. [2018-12-09 00:21:22,743 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 481 transitions. [2018-12-09 00:21:22,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 00:21:22,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:22,754 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 00:21:22,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:22,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 267 states and 480 transitions. [2018-12-09 00:21:22,774 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 480 transitions. [2018-12-09 00:21:22,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 00:21:22,775 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:22,785 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 00:21:22,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:22,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 269 states and 483 transitions. [2018-12-09 00:21:22,799 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 483 transitions. [2018-12-09 00:21:22,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 00:21:22,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:22,810 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 00:21:22,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:22,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 260 states and 466 transitions. [2018-12-09 00:21:22,825 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 466 transitions. [2018-12-09 00:21:22,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 00:21:22,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:23,020 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 00:21:23,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:23,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 262 states and 467 transitions. [2018-12-09 00:21:23,320 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 467 transitions. [2018-12-09 00:21:23,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 00:21:23,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:23,333 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 00:21:23,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:23,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 254 states and 450 transitions. [2018-12-09 00:21:23,357 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 450 transitions. [2018-12-09 00:21:23,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 00:21:23,357 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:23,368 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 00:21:23,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:23,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 255 states and 451 transitions. [2018-12-09 00:21:23,386 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 451 transitions. [2018-12-09 00:21:23,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 00:21:23,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:23,407 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 00:21:23,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:23,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 242 states and 428 transitions. [2018-12-09 00:21:23,422 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 428 transitions. [2018-12-09 00:21:23,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-09 00:21:23,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:23,521 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:21:23,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:23,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 247 states and 439 transitions. [2018-12-09 00:21:23,748 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 439 transitions. [2018-12-09 00:21:23,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 00:21:23,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:23,850 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 32 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:21:23,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:23,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 249 states and 440 transitions. [2018-12-09 00:21:23,861 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 440 transitions. [2018-12-09 00:21:23,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 00:21:23,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:23,965 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:21:23,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:23,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 250 states and 441 transitions. [2018-12-09 00:21:23,978 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 441 transitions. [2018-12-09 00:21:23,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 00:21:23,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:21:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:21:23,999 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-09 00:21:24,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:21:24,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 130 states and 189 transitions. [2018-12-09 00:21:24,397 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 189 transitions. [2018-12-09 00:21:24,397 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:21:24,397 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 77 iterations. [2018-12-09 00:21:24,403 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 00:21:24,645 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-09 00:21:24,650 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:21:24,650 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:21:24,650 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:21:24,650 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-09 00:21:24,651 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-09 00:21:24,651 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:21:24,651 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:21:24,651 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:21:24,651 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:21:24,651 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:21:24,651 INFO L583 CodeCheckObserver]: Invariant with dag size 14 [2018-12-09 00:21:24,652 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:21:24,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:21:24 ImpRootNode [2018-12-09 00:21:24,652 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 00:21:24,653 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:21:24,653 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:21:24,653 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:21:24,653 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:21:09" (3/4) ... [2018-12-09 00:21:24,655 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:21:24,659 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 00:21:24,659 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 00:21:24,659 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 00:21:24,659 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 00:21:24,659 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 00:21:24,659 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 00:21:24,659 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 00:21:24,663 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2018-12-09 00:21:24,663 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 00:21:24,663 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 00:21:24,663 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 00:21:24,664 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 00:21:24,664 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 00:21:24,681 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) && !(systemActive == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-12-09 00:21:24,681 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(systemActive == 0)) || !(0 == pumpRunning) [2018-12-09 00:21:24,681 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((systemActive == 0 || !(pumpRunning == \old(pumpRunning))) || !(0 == pumpRunning)) || tmp == methaneLevelCritical) || tmp == 0 [2018-12-09 00:21:24,705 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7639d150-ff28-4230-a2b9-128d3873cad1/bin-2019/ukojak/witness.graphml [2018-12-09 00:21:24,705 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:21:24,706 INFO L168 Benchmark]: Toolchain (without parser) took 15552.37 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 491.8 MB). Free memory was 950.6 MB in the beginning and 993.4 MB in the end (delta: -42.7 MB). Peak memory consumption was 449.0 MB. Max. memory is 11.5 GB. [2018-12-09 00:21:24,706 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:21:24,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:21:24,707 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:21:24,707 INFO L168 Benchmark]: Boogie Preprocessor took 18.27 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 00:21:24,707 INFO L168 Benchmark]: RCFGBuilder took 408.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 69.3 MB). Peak memory consumption was 69.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:21:24,707 INFO L168 Benchmark]: CodeCheck took 14743.05 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 336.1 MB). Free memory was 1.1 GB in the beginning and 993.4 MB in the end (delta: 77.4 MB). Peak memory consumption was 413.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:21:24,707 INFO L168 Benchmark]: Witness Printer took 52.72 ms. Allocated memory is still 1.5 GB. Free memory is still 993.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:21:24,708 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 8 procedures, 72 locations, 1 error locations. SAFE Result, 14.4s OverallTime, 77 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -968817560 SDtfs, -1667769608 SDslu, -76319824 SDs, 0 SdLazy, -637396962 SolverSat, 1097986870 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37990 GetRequests, 37157 SyntacticMatches, 487 SemanticMatches, 346 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60216 ImplicationChecksByTransitivity, 11.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 3574 NumberOfCodeBlocks, 3574 NumberOfCodeBlocksAsserted, 76 NumberOfCheckSat, 3498 ConstructedInterpolants, 0 QuantifiedInterpolants, 377817 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 76 InterpolantComputations, 49 PerfectInterpolantSequences, 1449/1636 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 - PositiveResult [Line: 73]: 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: 685]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) && !(systemActive == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(systemActive == 0)) || !(0 == pumpRunning) - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (((systemActive == 0 || !(pumpRunning == \old(pumpRunning))) || !(0 == pumpRunning)) || tmp == methaneLevelCritical) || tmp == 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -192.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.27 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 408.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 69.3 MB). Peak memory consumption was 69.3 MB. Max. memory is 11.5 GB. * CodeCheck took 14743.05 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 336.1 MB). Free memory was 1.1 GB in the beginning and 993.4 MB in the end (delta: 77.4 MB). Peak memory consumption was 413.5 MB. Max. memory is 11.5 GB. * Witness Printer took 52.72 ms. Allocated memory is still 1.5 GB. Free memory is still 993.4 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...