./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_srvr_1a_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_095d8dda-13f9-4a1a-bf0c-c81007cc429b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_095d8dda-13f9-4a1a-bf0c-c81007cc429b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_095d8dda-13f9-4a1a-bf0c-c81007cc429b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_095d8dda-13f9-4a1a-bf0c-c81007cc429b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_srvr_1a_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_095d8dda-13f9-4a1a-bf0c-c81007cc429b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_095d8dda-13f9-4a1a-bf0c-c81007cc429b/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 253410f53553d69ef02e4dba1b07bb26de7bec75 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 11:49:47,697 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:49:47,698 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:49:47,707 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:49:47,707 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:49:47,708 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:49:47,709 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:49:47,710 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:49:47,711 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:49:47,712 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:49:47,712 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:49:47,713 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:49:47,714 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:49:47,714 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:49:47,715 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:49:47,716 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:49:47,716 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:49:47,718 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:49:47,719 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:49:47,720 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:49:47,721 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:49:47,722 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:49:47,724 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:49:47,724 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:49:47,724 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:49:47,725 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:49:47,726 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:49:47,726 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:49:47,727 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:49:47,728 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:49:47,728 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:49:47,728 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:49:47,729 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:49:47,729 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:49:47,730 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:49:47,731 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:49:47,731 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_095d8dda-13f9-4a1a-bf0c-c81007cc429b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 11:49:47,741 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:49:47,741 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:49:47,742 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:49:47,742 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 11:49:47,742 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:49:47,743 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:49:47,743 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:49:47,743 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:49:47,743 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 11:49:47,743 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:49:47,743 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:49:47,743 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:49:47,744 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:49:47,744 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:49:47,744 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:49:47,744 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:49:47,744 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:49:47,744 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:49:47,744 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 11:49:47,745 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 11:49:47,745 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:49:47,745 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:49:47,745 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 11:49:47,745 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:49:47,745 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:49:47,745 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:49:47,746 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 11:49:47,746 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:49:47,746 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 11:49:47,746 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_095d8dda-13f9-4a1a-bf0c-c81007cc429b/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 -> 253410f53553d69ef02e4dba1b07bb26de7bec75 [2018-11-23 11:49:47,769 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:49:47,778 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:49:47,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:49:47,782 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:49:47,782 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:49:47,782 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_095d8dda-13f9-4a1a-bf0c-c81007cc429b/bin-2019/ukojak/../../sv-benchmarks/c/ssh-simplified/s3_srvr_1a_true-unreach-call_false-termination.cil.c [2018-11-23 11:49:47,825 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_095d8dda-13f9-4a1a-bf0c-c81007cc429b/bin-2019/ukojak/data/b7214ef2d/08946416206e4118a66075ff98022573/FLAG057d65f06 [2018-11-23 11:49:48,221 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:49:48,221 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_095d8dda-13f9-4a1a-bf0c-c81007cc429b/sv-benchmarks/c/ssh-simplified/s3_srvr_1a_true-unreach-call_false-termination.cil.c [2018-11-23 11:49:48,226 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_095d8dda-13f9-4a1a-bf0c-c81007cc429b/bin-2019/ukojak/data/b7214ef2d/08946416206e4118a66075ff98022573/FLAG057d65f06 [2018-11-23 11:49:48,234 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_095d8dda-13f9-4a1a-bf0c-c81007cc429b/bin-2019/ukojak/data/b7214ef2d/08946416206e4118a66075ff98022573 [2018-11-23 11:49:48,236 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:49:48,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:49:48,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:49:48,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:49:48,240 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:49:48,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:49:48" (1/1) ... [2018-11-23 11:49:48,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f3324f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:48, skipping insertion in model container [2018-11-23 11:49:48,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:49:48" (1/1) ... [2018-11-23 11:49:48,248 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:49:48,268 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:49:48,377 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:49:48,379 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:49:48,394 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:49:48,401 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:49:48,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:48 WrapperNode [2018-11-23 11:49:48,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:49:48,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:49:48,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:49:48,402 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:49:48,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:48" (1/1) ... [2018-11-23 11:49:48,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:48" (1/1) ... [2018-11-23 11:49:48,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:49:48,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:49:48,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:49:48,425 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:49:48,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:48" (1/1) ... [2018-11-23 11:49:48,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:48" (1/1) ... [2018-11-23 11:49:48,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:48" (1/1) ... [2018-11-23 11:49:48,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:48" (1/1) ... [2018-11-23 11:49:48,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:48" (1/1) ... [2018-11-23 11:49:48,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:48" (1/1) ... [2018-11-23 11:49:48,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:48" (1/1) ... [2018-11-23 11:49:48,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:49:48,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:49:48,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:49:48,476 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:49:48,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:49:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_095d8dda-13f9-4a1a-bf0c-c81007cc429b/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 [2018-11-23 11:49:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:49:48,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:49:48,812 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:49:48,812 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-23 11:49:48,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:49:48 BoogieIcfgContainer [2018-11-23 11:49:48,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:49:48,813 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 11:49:48,813 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 11:49:48,823 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 11:49:48,823 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:49:48" (1/1) ... [2018-11-23 11:49:48,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:49:48,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:48,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2018-11-23 11:49:48,866 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2018-11-23 11:49:48,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-23 11:49:48,868 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:48,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:49:48,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:49,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 32 states and 67 transitions. [2018-11-23 11:49:49,000 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 67 transitions. [2018-11-23 11:49:49,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 11:49:49,000 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:49,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:49:49,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:49,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 37 states and 101 transitions. [2018-11-23 11:49:49,159 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 101 transitions. [2018-11-23 11:49:49,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 11:49:49,161 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:49,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:49:49,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:49,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 40 states and 104 transitions. [2018-11-23 11:49:49,266 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 104 transitions. [2018-11-23 11:49:49,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 11:49:49,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:49,304 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:49:49,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:49,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 43 states and 110 transitions. [2018-11-23 11:49:49,465 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 110 transitions. [2018-11-23 11:49:49,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 11:49:49,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:49,508 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:49:49,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:49,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 47 states and 130 transitions. [2018-11-23 11:49:49,598 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 130 transitions. [2018-11-23 11:49:49,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 11:49:49,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:49,626 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:49:49,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:49,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 51 states and 133 transitions. [2018-11-23 11:49:49,735 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 133 transitions. [2018-11-23 11:49:49,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 11:49:49,735 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:49,772 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 11:49:49,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:49,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 53 states and 136 transitions. [2018-11-23 11:49:49,859 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 136 transitions. [2018-11-23 11:49:49,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 11:49:49,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:49,872 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 11:49:50,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:50,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 55 states and 140 transitions. [2018-11-23 11:49:50,069 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 140 transitions. [2018-11-23 11:49:50,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 11:49:50,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:50,107 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 11:49:50,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:50,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 55 states and 139 transitions. [2018-11-23 11:49:50,218 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 139 transitions. [2018-11-23 11:49:50,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 11:49:50,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:50,278 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 11:49:50,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:50,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 61 states and 149 transitions. [2018-11-23 11:49:50,692 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 149 transitions. [2018-11-23 11:49:50,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 11:49:50,693 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:50,746 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 11:49:50,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:50,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 63 states and 154 transitions. [2018-11-23 11:49:50,836 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 154 transitions. [2018-11-23 11:49:50,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 11:49:50,837 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:50,852 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 11:49:50,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:50,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 64 states and 155 transitions. [2018-11-23 11:49:50,866 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 155 transitions. [2018-11-23 11:49:50,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 11:49:50,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:50,881 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 11:49:50,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:50,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 65 states and 156 transitions. [2018-11-23 11:49:50,901 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 156 transitions. [2018-11-23 11:49:50,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 11:49:50,901 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:50,911 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 11:49:51,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:51,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 68 states and 161 transitions. [2018-11-23 11:49:51,010 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 161 transitions. [2018-11-23 11:49:51,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 11:49:51,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:51,022 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 11:49:51,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:51,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 69 states and 162 transitions. [2018-11-23 11:49:51,049 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 162 transitions. [2018-11-23 11:49:51,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 11:49:51,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:51,061 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 11:49:51,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:51,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 70 states and 163 transitions. [2018-11-23 11:49:51,076 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 163 transitions. [2018-11-23 11:49:51,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 11:49:51,076 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:51,087 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 11:49:51,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:51,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 74 states and 168 transitions. [2018-11-23 11:49:51,388 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 168 transitions. [2018-11-23 11:49:51,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 11:49:51,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:51,399 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 11:49:51,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:51,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 75 states and 169 transitions. [2018-11-23 11:49:51,442 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 169 transitions. [2018-11-23 11:49:51,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 11:49:51,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:51,478 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 11:49:51,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:51,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 81 states and 176 transitions. [2018-11-23 11:49:51,800 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 176 transitions. [2018-11-23 11:49:51,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 11:49:51,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 11:49:52,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:52,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 84 states and 179 transitions. [2018-11-23 11:49:52,034 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 179 transitions. [2018-11-23 11:49:52,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 11:49:52,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:52,041 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 11:49:52,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:52,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 86 states and 180 transitions. [2018-11-23 11:49:52,152 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 180 transitions. [2018-11-23 11:49:52,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 11:49:52,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:52,161 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 11:49:52,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:52,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 90 states and 183 transitions. [2018-11-23 11:49:52,536 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 183 transitions. [2018-11-23 11:49:52,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 11:49:52,536 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:52,591 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 11:49:52,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:52,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 92 states and 185 transitions. [2018-11-23 11:49:52,730 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 185 transitions. [2018-11-23 11:49:52,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 11:49:52,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:52,739 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 11:49:52,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:52,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 93 states and 186 transitions. [2018-11-23 11:49:52,747 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 186 transitions. [2018-11-23 11:49:52,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 11:49:52,748 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:52,811 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 11:49:53,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:53,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 104 states and 200 transitions. [2018-11-23 11:49:53,399 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 200 transitions. [2018-11-23 11:49:53,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 11:49:53,399 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:53,409 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 11:49:53,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:53,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 106 states and 203 transitions. [2018-11-23 11:49:53,436 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 203 transitions. [2018-11-23 11:49:53,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 11:49:53,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:53,483 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 11:49:54,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:54,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 113 states and 212 transitions. [2018-11-23 11:49:54,081 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 212 transitions. [2018-11-23 11:49:54,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 11:49:54,081 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:54,087 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 11:49:54,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:54,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 115 states and 213 transitions. [2018-11-23 11:49:54,202 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 213 transitions. [2018-11-23 11:49:54,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 11:49:54,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:54,209 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 11:49:54,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:54,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 118 states and 215 transitions. [2018-11-23 11:49:54,338 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 215 transitions. [2018-11-23 11:49:54,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 11:49:54,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:54,345 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 11:49:54,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:54,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 122 states and 218 transitions. [2018-11-23 11:49:54,515 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 218 transitions. [2018-11-23 11:49:54,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 11:49:54,516 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:54,525 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 11:49:54,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:54,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 124 states and 221 transitions. [2018-11-23 11:49:54,539 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 221 transitions. [2018-11-23 11:49:54,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 11:49:54,540 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:54,548 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 11:49:54,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:54,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 126 states and 223 transitions. [2018-11-23 11:49:54,688 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 223 transitions. [2018-11-23 11:49:54,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 11:49:54,688 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:54,695 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 11:49:54,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:54,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 129 states and 226 transitions. [2018-11-23 11:49:54,824 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 226 transitions. [2018-11-23 11:49:54,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 11:49:54,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:54,832 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 11:49:55,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:55,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 133 states and 230 transitions. [2018-11-23 11:49:55,005 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 230 transitions. [2018-11-23 11:49:55,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 11:49:55,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:55,017 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 11:49:55,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:55,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 135 states and 233 transitions. [2018-11-23 11:49:55,054 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 233 transitions. [2018-11-23 11:49:55,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 11:49:55,055 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:55,064 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 11:49:55,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:55,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 136 states and 233 transitions. [2018-11-23 11:49:55,075 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 233 transitions. [2018-11-23 11:49:55,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 11:49:55,076 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:55,084 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 11:49:55,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:55,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 137 states and 234 transitions. [2018-11-23 11:49:55,110 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 234 transitions. [2018-11-23 11:49:55,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 11:49:55,110 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:55,173 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:49:55,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:55,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 161 states and 261 transitions. [2018-11-23 11:49:55,891 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 261 transitions. [2018-11-23 11:49:55,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 11:49:55,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:55,925 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:49:56,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:56,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 164 states and 265 transitions. [2018-11-23 11:49:56,155 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 265 transitions. [2018-11-23 11:49:56,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 11:49:56,155 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:56,199 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 11:49:57,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:57,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 172 states and 275 transitions. [2018-11-23 11:49:57,050 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 275 transitions. [2018-11-23 11:49:57,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 11:49:57,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:57,058 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 11:49:57,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:57,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 175 states and 277 transitions. [2018-11-23 11:49:57,201 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 277 transitions. [2018-11-23 11:49:57,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 11:49:57,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:57,206 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 11:49:57,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:57,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 177 states and 278 transitions. [2018-11-23 11:49:57,360 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 278 transitions. [2018-11-23 11:49:57,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 11:49:57,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:57,368 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 11:49:57,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:57,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 181 states and 281 transitions. [2018-11-23 11:49:57,620 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 281 transitions. [2018-11-23 11:49:57,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 11:49:57,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:57,695 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:49:57,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:57,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 183 states and 284 transitions. [2018-11-23 11:49:57,881 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 284 transitions. [2018-11-23 11:49:57,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 11:49:57,881 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:57,892 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 11:49:57,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:57,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 184 states and 285 transitions. [2018-11-23 11:49:57,956 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 285 transitions. [2018-11-23 11:49:57,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 11:49:57,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:58,023 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 11:49:58,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:58,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 193 states and 294 transitions. [2018-11-23 11:49:58,908 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 294 transitions. [2018-11-23 11:49:58,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 11:49:58,908 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:58,915 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 11:49:59,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:59,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 197 states and 299 transitions. [2018-11-23 11:49:59,386 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 299 transitions. [2018-11-23 11:49:59,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 11:49:59,387 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:59,392 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 11:49:59,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:59,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 200 states and 301 transitions. [2018-11-23 11:49:59,557 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 301 transitions. [2018-11-23 11:49:59,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 11:49:59,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:59,564 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 11:49:59,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:59,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 202 states and 302 transitions. [2018-11-23 11:49:59,750 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 302 transitions. [2018-11-23 11:49:59,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 11:49:59,750 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:59,767 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-23 11:49:59,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:49:59,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 202 states and 301 transitions. [2018-11-23 11:49:59,883 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 301 transitions. [2018-11-23 11:49:59,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 11:49:59,883 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:49:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:49:59,997 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-23 11:50:00,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:00,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 205 states and 305 transitions. [2018-11-23 11:50:00,333 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 305 transitions. [2018-11-23 11:50:00,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 11:50:00,334 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:00,343 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-23 11:50:00,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:00,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 205 states and 304 transitions. [2018-11-23 11:50:00,459 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 304 transitions. [2018-11-23 11:50:00,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 11:50:00,459 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:00,466 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-23 11:50:00,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:00,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 207 states and 305 transitions. [2018-11-23 11:50:00,577 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 305 transitions. [2018-11-23 11:50:00,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 11:50:00,578 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:00,584 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:50:00,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:00,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 211 states and 309 transitions. [2018-11-23 11:50:00,807 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 309 transitions. [2018-11-23 11:50:00,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 11:50:00,807 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:00,889 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 11:50:01,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:01,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 214 states and 312 transitions. [2018-11-23 11:50:01,195 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 312 transitions. [2018-11-23 11:50:01,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 11:50:01,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:01,206 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 11:50:01,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:01,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 213 states and 308 transitions. [2018-11-23 11:50:01,503 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 308 transitions. [2018-11-23 11:50:01,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 11:50:01,503 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:01,510 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:50:01,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:01,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 214 states and 309 transitions. [2018-11-23 11:50:01,529 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 309 transitions. [2018-11-23 11:50:01,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 11:50:01,530 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:01,537 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:50:01,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:01,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 215 states and 310 transitions. [2018-11-23 11:50:01,555 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 310 transitions. [2018-11-23 11:50:01,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 11:50:01,556 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:01,561 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:50:01,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:01,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 216 states and 311 transitions. [2018-11-23 11:50:01,587 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 311 transitions. [2018-11-23 11:50:01,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 11:50:01,587 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:01,595 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:50:01,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:01,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 217 states and 313 transitions. [2018-11-23 11:50:01,694 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 313 transitions. [2018-11-23 11:50:01,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 11:50:01,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:01,702 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:50:02,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:02,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 226 states and 323 transitions. [2018-11-23 11:50:02,863 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 323 transitions. [2018-11-23 11:50:02,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 11:50:02,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:02,870 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:50:03,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 230 states and 327 transitions. [2018-11-23 11:50:03,202 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 327 transitions. [2018-11-23 11:50:03,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 11:50:03,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:03,209 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:50:03,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:03,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 233 states and 330 transitions. [2018-11-23 11:50:03,673 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 330 transitions. [2018-11-23 11:50:03,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 11:50:03,674 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:03,681 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:50:03,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:03,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 235 states and 331 transitions. [2018-11-23 11:50:03,884 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 331 transitions. [2018-11-23 11:50:03,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 11:50:03,884 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:03,891 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-23 11:50:04,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:04,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 220 states and 305 transitions. [2018-11-23 11:50:04,018 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 305 transitions. [2018-11-23 11:50:04,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 11:50:04,018 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:04,102 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:50:04,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:04,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 232 states and 319 transitions. [2018-11-23 11:50:04,860 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 319 transitions. [2018-11-23 11:50:04,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 11:50:04,860 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:04,867 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:50:05,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:05,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 236 states and 322 transitions. [2018-11-23 11:50:05,092 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 322 transitions. [2018-11-23 11:50:05,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 11:50:05,093 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:05,097 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:50:05,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:05,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 237 states and 323 transitions. [2018-11-23 11:50:05,498 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 323 transitions. [2018-11-23 11:50:05,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 11:50:05,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:05,506 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:50:05,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:05,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 239 states and 325 transitions. [2018-11-23 11:50:05,697 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 325 transitions. [2018-11-23 11:50:05,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 11:50:05,698 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:05,704 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:50:05,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:05,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 246 states and 331 transitions. [2018-11-23 11:50:05,929 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 331 transitions. [2018-11-23 11:50:05,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 11:50:05,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:05,935 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:50:06,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:06,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 248 states and 332 transitions. [2018-11-23 11:50:06,144 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 332 transitions. [2018-11-23 11:50:06,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 11:50:06,144 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:06,151 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 11:50:06,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:06,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 250 states and 335 transitions. [2018-11-23 11:50:06,401 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 335 transitions. [2018-11-23 11:50:06,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 11:50:06,401 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:06,644 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 11:50:09,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:09,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 281 states and 406 transitions. [2018-11-23 11:50:09,711 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 406 transitions. [2018-11-23 11:50:09,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 11:50:09,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:09,721 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 11:50:10,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:10,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 290 states and 414 transitions. [2018-11-23 11:50:10,344 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 414 transitions. [2018-11-23 11:50:10,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 11:50:10,344 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:10,353 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 11:50:10,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:10,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 292 states and 415 transitions. [2018-11-23 11:50:10,545 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 415 transitions. [2018-11-23 11:50:10,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 11:50:10,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:10,555 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 11:50:10,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:10,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 295 states and 418 transitions. [2018-11-23 11:50:10,782 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 418 transitions. [2018-11-23 11:50:10,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 11:50:10,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:10,791 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 11:50:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 297 states and 420 transitions. [2018-11-23 11:50:10,991 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 420 transitions. [2018-11-23 11:50:10,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 11:50:10,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:11,001 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 11:50:11,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:11,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 300 states and 423 transitions. [2018-11-23 11:50:11,366 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 423 transitions. [2018-11-23 11:50:11,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 11:50:11,366 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:11,375 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 11:50:11,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:11,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 304 states and 426 transitions. [2018-11-23 11:50:11,542 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 426 transitions. [2018-11-23 11:50:11,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 11:50:11,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:11,551 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 11:50:11,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:11,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 306 states and 427 transitions. [2018-11-23 11:50:11,756 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 427 transitions. [2018-11-23 11:50:11,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 11:50:11,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:11,765 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 11:50:11,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:11,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 307 states and 431 transitions. [2018-11-23 11:50:11,777 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 431 transitions. [2018-11-23 11:50:11,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 11:50:11,777 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:11,787 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 77 proven. 27 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 11:50:11,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:11,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 308 states and 435 transitions. [2018-11-23 11:50:11,804 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 435 transitions. [2018-11-23 11:50:11,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 11:50:11,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:11,812 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 115 proven. 23 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 11:50:11,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:11,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 308 states and 433 transitions. [2018-11-23 11:50:11,989 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 433 transitions. [2018-11-23 11:50:11,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 11:50:11,990 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:11,997 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 115 proven. 23 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 11:50:12,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:12,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 308 states and 431 transitions. [2018-11-23 11:50:12,193 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 431 transitions. [2018-11-23 11:50:12,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 11:50:12,193 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:12,200 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 92 proven. 32 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-23 11:50:12,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:12,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 316 states and 441 transitions. [2018-11-23 11:50:12,984 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 441 transitions. [2018-11-23 11:50:12,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 11:50:12,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:12,993 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 92 proven. 32 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-23 11:50:13,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:13,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 319 states and 443 transitions. [2018-11-23 11:50:13,195 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 443 transitions. [2018-11-23 11:50:13,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 11:50:13,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:13,205 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 92 proven. 32 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-23 11:50:13,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:13,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 323 states and 446 transitions. [2018-11-23 11:50:13,385 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 446 transitions. [2018-11-23 11:50:13,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 11:50:13,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:13,393 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 92 proven. 32 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-23 11:50:13,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:13,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 325 states and 447 transitions. [2018-11-23 11:50:13,569 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 447 transitions. [2018-11-23 11:50:13,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 11:50:13,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:13,674 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:50:16,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:16,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 368 states and 504 transitions. [2018-11-23 11:50:16,173 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 504 transitions. [2018-11-23 11:50:16,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 11:50:16,173 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:16,179 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:50:16,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:16,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 372 states and 509 transitions. [2018-11-23 11:50:16,653 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 509 transitions. [2018-11-23 11:50:16,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 11:50:16,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:16,661 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:50:17,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:17,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 375 states and 513 transitions. [2018-11-23 11:50:17,106 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 513 transitions. [2018-11-23 11:50:17,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 11:50:17,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:17,113 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:50:17,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:17,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 377 states and 515 transitions. [2018-11-23 11:50:17,367 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 515 transitions. [2018-11-23 11:50:17,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 11:50:17,368 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:17,374 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 11:50:17,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:17,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 386 states and 524 transitions. [2018-11-23 11:50:17,570 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 524 transitions. [2018-11-23 11:50:17,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 11:50:17,570 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:17,732 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-23 11:50:18,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:18,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 390 states and 528 transitions. [2018-11-23 11:50:18,305 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 528 transitions. [2018-11-23 11:50:18,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-23 11:50:18,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:18,310 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 11:50:18,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:18,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 390 states and 527 transitions. [2018-11-23 11:50:18,508 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 527 transitions. [2018-11-23 11:50:18,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-23 11:50:18,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:18,516 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 11:50:18,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:18,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 389 states and 524 transitions. [2018-11-23 11:50:18,750 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 524 transitions. [2018-11-23 11:50:18,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-23 11:50:18,750 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:18,759 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 123 proven. 27 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-23 11:50:19,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:19,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 392 states and 525 transitions. [2018-11-23 11:50:19,517 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 525 transitions. [2018-11-23 11:50:19,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 11:50:19,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-23 11:50:21,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:21,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 402 states and 536 transitions. [2018-11-23 11:50:21,601 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 536 transitions. [2018-11-23 11:50:21,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 11:50:21,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:21,609 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-23 11:50:21,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:21,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 405 states and 538 transitions. [2018-11-23 11:50:21,906 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 538 transitions. [2018-11-23 11:50:21,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 11:50:21,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:21,912 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-23 11:50:22,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:22,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 407 states and 539 transitions. [2018-11-23 11:50:22,246 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 539 transitions. [2018-11-23 11:50:22,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 11:50:22,246 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:22,253 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-11-23 11:50:22,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:22,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 407 states and 538 transitions. [2018-11-23 11:50:22,795 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 538 transitions. [2018-11-23 11:50:22,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-23 11:50:22,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:22,808 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 169 proven. 27 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 11:50:23,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:23,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 407 states and 537 transitions. [2018-11-23 11:50:23,140 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 537 transitions. [2018-11-23 11:50:23,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 11:50:23,141 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:23,152 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2018-11-23 11:50:23,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:23,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 407 states and 534 transitions. [2018-11-23 11:50:23,472 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 534 transitions. [2018-11-23 11:50:23,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 11:50:23,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:23,479 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2018-11-23 11:50:23,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:23,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 400 states and 523 transitions. [2018-11-23 11:50:23,742 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 523 transitions. [2018-11-23 11:50:23,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 11:50:23,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:23,753 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2018-11-23 11:50:24,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:24,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 399 states and 519 transitions. [2018-11-23 11:50:24,042 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 519 transitions. [2018-11-23 11:50:24,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 11:50:24,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:24,049 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2018-11-23 11:50:24,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:24,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 381 states and 493 transitions. [2018-11-23 11:50:24,280 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 493 transitions. [2018-11-23 11:50:24,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 11:50:24,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:24,565 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 93 proven. 116 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-23 11:50:26,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:26,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 406 states and 519 transitions. [2018-11-23 11:50:26,242 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 519 transitions. [2018-11-23 11:50:26,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 11:50:26,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:50:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:26,346 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 93 proven. 116 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-23 11:50:26,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:50:26,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 378 states and 488 transitions. [2018-11-23 11:50:26,652 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 488 transitions. [2018-11-23 11:50:26,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:50:26,653 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 109 iterations. [2018-11-23 11:50:26,659 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 11:50:27,081 WARN L180 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 60 [2018-11-23 11:50:27,712 WARN L180 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 56 [2018-11-23 11:50:28,008 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 47 [2018-11-23 11:50:28,373 WARN L180 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 60 [2018-11-23 11:50:28,430 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 11:50:28,436 INFO L579 CodeCheckObserver]: Invariant with dag size 60 [2018-11-23 11:50:28,439 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 11:50:28,440 INFO L579 CodeCheckObserver]: Invariant with dag size 20 [2018-11-23 11:50:28,440 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 11:50:28,440 INFO L579 CodeCheckObserver]: Invariant with dag size 17 [2018-11-23 11:50:28,442 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 11:50:28,442 INFO L579 CodeCheckObserver]: Invariant with dag size 27 [2018-11-23 11:50:28,443 INFO L579 CodeCheckObserver]: Invariant with dag size 17 [2018-11-23 11:50:28,443 INFO L579 CodeCheckObserver]: Invariant with dag size 56 [2018-11-23 11:50:28,445 INFO L579 CodeCheckObserver]: Invariant with dag size 20 [2018-11-23 11:50:28,445 INFO L579 CodeCheckObserver]: Invariant with dag size 20 [2018-11-23 11:50:28,446 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 11:50:28,446 INFO L579 CodeCheckObserver]: Invariant with dag size 47 [2018-11-23 11:50:28,447 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 11:50:28,447 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 11:50:28,447 INFO L579 CodeCheckObserver]: Invariant with dag size 20 [2018-11-23 11:50:28,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 11:50:28 ImpRootNode [2018-11-23 11:50:28,448 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 11:50:28,448 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:50:28,448 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:50:28,448 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:50:28,451 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:49:48" (3/4) ... [2018-11-23 11:50:28,455 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:50:28,462 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 11:50:28,462 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 11:50:28,503 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_095d8dda-13f9-4a1a-bf0c-c81007cc429b/bin-2019/ukojak/witness.graphml [2018-11-23 11:50:28,503 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:50:28,504 INFO L168 Benchmark]: Toolchain (without parser) took 40266.96 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 846.2 MB). Free memory was 959.1 MB in the beginning and 1.2 GB in the end (delta: -244.1 MB). Peak memory consumption was 602.1 MB. Max. memory is 11.5 GB. [2018-11-23 11:50:28,504 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:50:28,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 164.32 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 11:50:28,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.14 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:50:28,505 INFO L168 Benchmark]: Boogie Preprocessor took 50.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -200.4 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-11-23 11:50:28,505 INFO L168 Benchmark]: RCFGBuilder took 336.73 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-11-23 11:50:28,505 INFO L168 Benchmark]: CodeCheck took 39634.99 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 697.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -84.8 MB). Peak memory consumption was 967.2 MB. Max. memory is 11.5 GB. [2018-11-23 11:50:28,505 INFO L168 Benchmark]: Witness Printer took 55.02 ms. Allocated memory is still 1.9 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:50:28,506 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 1 procedures, 45 locations, 1 error locations. SAFE Result, 37.8s OverallTime, 109 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2097160 SDtfs, 812183294 SDslu, 12581896 SDs, 0 SdLazy, -1304733838 SolverSat, -819824800 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 87.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40842 GetRequests, 39303 SyntacticMatches, 733 SemanticMatches, 806 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371886 ImplicationChecksByTransitivity, 34.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 5126 NumberOfCodeBlocks, 5126 NumberOfCodeBlocksAsserted, 108 NumberOfCheckSat, 5018 ConstructedInterpolants, 0 QuantifiedInterpolants, 609860 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 108 InterpolantComputations, 82 PerfectInterpolantSequences, 9566/10369 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: 216]: 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: 69]: Loop Invariant Derived loop invariant: blastFlag <= 4 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: ((((((((((((((((((s__state <= 8496 && !(blastFlag == 0)) && !(s__hit == 0)) && blastFlag <= 0) || (s__state == 8640 && !(s__hit == 0))) || (blastFlag <= 4 && s__state == 8656)) || (s__state == 8640 && blastFlag <= 2)) || ((s__state < 8640 && 8528 <= s__state) && blastFlag <= 0)) || ((1 < blastFlag && blastFlag <= 2) && s__state == 8496)) || (((((8512 <= s__state && 1 < blastFlag) && s__state < 8640) && blastFlag <= 2) && !(s__state == 8528)) && !(s__state == 8512))) || (s__state == 8466 && blastFlag <= 2)) || ((s__state == 8496 && !(blastFlag == 0)) && blastFlag <= 0)) || ((8672 <= s__state && 2 < blastFlag) && blastFlag <= 3)) || (s__state == 8512 && blastFlag <= 0)) || ((s__hit == 0 && s__state == 8528) && blastFlag <= 2)) || ((blastFlag <= 4 && 8672 <= s__state) && 3 < blastFlag)) || (((8496 <= s__state && 0 < blastFlag) && blastFlag <= 1) && s__state < 8640)) || (((s__state <= 8496 && 1 < blastFlag) && blastFlag <= 2) && !(s__hit == 0))) || (blastFlag <= 1 && 8672 <= s__state)) || ((s__hit == 0 && blastFlag <= 2) && s__state == 8512) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: (((s__state == 8640 && !(s__hit == 0)) || (s__state == 8640 && blastFlag <= 2)) || (s__state < 8640 && blastFlag <= 2)) || (blastFlag <= 4 && 8656 <= s__state) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: blastFlag <= 4 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (blastFlag <= 2 || (s__state == 8640 && !(s__hit == 0))) || (blastFlag <= 4 && 8656 <= s__state) - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: ((((((s__state < 8640 && blastFlag <= 2) && !(s__state == 8512)) || (s__state == 8512 && blastFlag <= 1)) || (s__state == 8640 && !(s__hit == 0))) || (s__state == 8640 && blastFlag <= 2)) || (blastFlag <= 4 && 8656 <= s__state)) || ((s__hit == 0 && blastFlag <= 2) && s__state == 8512) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: (blastFlag <= 2 || (s__state == 8640 && !(s__hit == 0))) || (blastFlag <= 4 && 8656 <= s__state) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((((((s__state == 8640 && !(s__hit == 0)) || (((8656 <= s__state && !(0 < blastFlag && blastFlag <= 1)) && blastFlag <= 3) && !(blastFlag == 0))) || (s__state == 8466 && blastFlag <= 2)) || (((blastFlag <= 2 && s__state < 8512) && !(blastFlag == 0)) && !(s__hit == 0))) || ((blastFlag <= 4 && 8656 <= s__state) && 3 < blastFlag)) || (s__state == 8512 && blastFlag <= 0)) || (s__state == 8640 && blastFlag <= 2)) || (s__state == 8656 && blastFlag <= 1)) || ((s__state < 8640 && blastFlag == 0) && 8528 <= s__state)) || (((8496 <= s__state && 0 < blastFlag) && blastFlag <= 1) && s__state < 8640)) || ((blastFlag <= 2 && s__state == 8496) && !(blastFlag == 0))) || (blastFlag <= 1 && 8672 <= s__state)) || ((((8512 <= s__state && s__state < 8640) && blastFlag <= 2) && !(s__state == 8512)) && !(blastFlag == 0))) || ((s__hit == 0 && blastFlag <= 2) && s__state == 8512) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: (((s__state == 8640 && !(s__hit == 0)) || (s__state == 8640 && blastFlag <= 2)) || (s__state < 8640 && blastFlag <= 2)) || (blastFlag <= 4 && 8656 <= s__state) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (((s__state == 8640 && !(s__hit == 0)) || (s__state == 8640 && blastFlag <= 2)) || (blastFlag <= 4 && 8656 <= s__state)) || (s__state < 8640 && blastFlag <= 2) - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((8512 <= s__state && s__state < 8640) && blastFlag <= 2) && !(s__state == 8512)) || (s__state == 8640 && blastFlag <= 2)) || ((8656 <= s__state && !(0 < blastFlag && blastFlag <= 1)) && blastFlag <= 3)) || (blastFlag <= 4 && s__state == 8656)) || ((blastFlag <= 2 && s__state < 8512) && !(s__hit == 0))) || (s__state == 8640 && !(s__hit == 0))) || (s__state == 8512 && blastFlag <= 0)) || ((0 < blastFlag && blastFlag <= 1) && s__state < 8640)) || (blastFlag <= 2 && s__state == 8496)) || ((blastFlag <= 4 && 8656 <= s__state) && 3 < blastFlag)) || (blastFlag <= 1 && 8672 <= s__state)) || ((s__hit == 0 && blastFlag <= 2) && s__state == 8512) - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: (((s__state == 8640 && blastFlag <= 2) || (s__state == 8640 && !(s__hit == 0))) || (blastFlag <= 4 && 8656 <= s__state)) || (s__state < 8640 && blastFlag <= 2) * 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 164.32 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.14 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -200.4 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 336.73 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * CodeCheck took 39634.99 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 697.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -84.8 MB). Peak memory consumption was 967.2 MB. Max. memory is 11.5 GB. * Witness Printer took 55.02 ms. Allocated memory is still 1.9 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...