./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label39_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_14041d7b-b099-41a2-9602-3b06cf735c4b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_14041d7b-b099-41a2-9602-3b06cf735c4b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_14041d7b-b099-41a2-9602-3b06cf735c4b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_14041d7b-b099-41a2-9602-3b06cf735c4b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label39_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_14041d7b-b099-41a2-9602-3b06cf735c4b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_14041d7b-b099-41a2-9602-3b06cf735c4b/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 1c284ff92946706c13208d48054fb31055fe2d01 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:51:15,702 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:51:15,704 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:51:15,714 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:51:15,714 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:51:15,715 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:51:15,716 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:51:15,718 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:51:15,720 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:51:15,721 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:51:15,722 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:51:15,722 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:51:15,723 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:51:15,723 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:51:15,724 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:51:15,725 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:51:15,726 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:51:15,728 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:51:15,729 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:51:15,731 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:51:15,732 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:51:15,733 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:51:15,735 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:51:15,735 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:51:15,736 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:51:15,736 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:51:15,737 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:51:15,738 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:51:15,738 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:51:15,740 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:51:15,740 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:51:15,741 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:51:15,741 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:51:15,741 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:51:15,742 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:51:15,743 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:51:15,744 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_14041d7b-b099-41a2-9602-3b06cf735c4b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 19:51:15,755 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:51:15,756 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:51:15,756 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:51:15,757 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:51:15,757 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:51:15,757 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:51:15,757 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:51:15,758 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:51:15,758 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:51:15,758 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:51:15,758 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:51:15,758 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:51:15,758 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:51:15,758 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:51:15,759 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:51:15,759 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:51:15,760 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:51:15,761 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 19:51:15,761 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 19:51:15,761 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:51:15,761 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:51:15,761 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:51:15,761 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:51:15,762 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:51:15,762 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:51:15,762 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 19:51:15,762 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:51:15,762 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:51:15,762 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_14041d7b-b099-41a2-9602-3b06cf735c4b/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 -> 1c284ff92946706c13208d48054fb31055fe2d01 [2018-10-26 19:51:15,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:51:15,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:51:15,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:51:15,812 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:51:15,813 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:51:15,813 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_14041d7b-b099-41a2-9602-3b06cf735c4b/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label39_true-unreach-call_false-termination.c [2018-10-26 19:51:15,865 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_14041d7b-b099-41a2-9602-3b06cf735c4b/bin-2019/ukojak/data/204b5f14e/75f38bff226a4e8bbee9c8fc44d62cd9/FLAG0095ec864 [2018-10-26 19:51:16,311 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:51:16,311 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_14041d7b-b099-41a2-9602-3b06cf735c4b/sv-benchmarks/c/eca-rers2012/Problem01_label39_true-unreach-call_false-termination.c [2018-10-26 19:51:16,322 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_14041d7b-b099-41a2-9602-3b06cf735c4b/bin-2019/ukojak/data/204b5f14e/75f38bff226a4e8bbee9c8fc44d62cd9/FLAG0095ec864 [2018-10-26 19:51:16,338 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_14041d7b-b099-41a2-9602-3b06cf735c4b/bin-2019/ukojak/data/204b5f14e/75f38bff226a4e8bbee9c8fc44d62cd9 [2018-10-26 19:51:16,340 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:51:16,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:51:16,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:51:16,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:51:16,346 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:51:16,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:51:16" (1/1) ... [2018-10-26 19:51:16,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44ce7ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:16, skipping insertion in model container [2018-10-26 19:51:16,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:51:16" (1/1) ... [2018-10-26 19:51:16,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:51:16,401 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:51:16,703 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:51:16,707 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:51:16,789 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:51:16,804 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:51:16,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:16 WrapperNode [2018-10-26 19:51:16,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:51:16,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:51:16,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:51:16,806 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:51:16,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:16" (1/1) ... [2018-10-26 19:51:16,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:16" (1/1) ... [2018-10-26 19:51:16,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:51:16,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:51:16,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:51:16,985 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:51:16,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:16" (1/1) ... [2018-10-26 19:51:16,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:16" (1/1) ... [2018-10-26 19:51:16,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:16" (1/1) ... [2018-10-26 19:51:16,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:16" (1/1) ... [2018-10-26 19:51:17,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:16" (1/1) ... [2018-10-26 19:51:17,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:16" (1/1) ... [2018-10-26 19:51:17,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:16" (1/1) ... [2018-10-26 19:51:17,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:51:17,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:51:17,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:51:17,039 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:51:17,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:51:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_14041d7b-b099-41a2-9602-3b06cf735c4b/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 [2018-10-26 19:51:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 19:51:17,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:51:17,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:51:21,394 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:51:21,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:51:21 BoogieIcfgContainer [2018-10-26 19:51:21,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:51:21,395 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 19:51:21,395 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 19:51:21,407 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 19:51:21,407 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:51:21" (1/1) ... [2018-10-26 19:51:21,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:51:21,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:21,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-10-26 19:51:21,461 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-10-26 19:51:21,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 19:51:21,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:21,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:22,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:22,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 147 states and 239 transitions. [2018-10-26 19:51:22,764 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 239 transitions. [2018-10-26 19:51:22,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-26 19:51:22,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:23,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:23,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:23,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 218 states and 326 transitions. [2018-10-26 19:51:23,983 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 326 transitions. [2018-10-26 19:51:23,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-26 19:51:23,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:24,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:24,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:24,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 224 states and 337 transitions. [2018-10-26 19:51:24,405 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 337 transitions. [2018-10-26 19:51:24,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 19:51:24,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:24,633 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:25,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:25,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 295 states and 413 transitions. [2018-10-26 19:51:25,509 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 413 transitions. [2018-10-26 19:51:25,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 19:51:25,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:25,637 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:25,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:25,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 303 states and 427 transitions. [2018-10-26 19:51:25,905 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 427 transitions. [2018-10-26 19:51:25,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-26 19:51:25,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:26,003 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:26,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:26,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 306 states and 432 transitions. [2018-10-26 19:51:26,049 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 432 transitions. [2018-10-26 19:51:26,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 19:51:26,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:26,142 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:26,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:26,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 315 states and 450 transitions. [2018-10-26 19:51:26,600 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 450 transitions. [2018-10-26 19:51:26,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 19:51:26,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:26,629 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:26,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:26,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 319 states and 454 transitions. [2018-10-26 19:51:26,917 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 454 transitions. [2018-10-26 19:51:26,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 19:51:26,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:26,945 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:27,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:27,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 321 states and 456 transitions. [2018-10-26 19:51:27,361 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 456 transitions. [2018-10-26 19:51:27,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 19:51:27,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:27,390 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:27,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:27,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 326 states and 462 transitions. [2018-10-26 19:51:27,477 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 462 transitions. [2018-10-26 19:51:27,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-26 19:51:27,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:27,525 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:27,860 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 19:51:28,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:28,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 331 states and 467 transitions. [2018-10-26 19:51:28,084 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 467 transitions. [2018-10-26 19:51:28,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-26 19:51:28,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:28,353 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:28,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:28,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 346 states and 489 transitions. [2018-10-26 19:51:28,866 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 489 transitions. [2018-10-26 19:51:28,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-26 19:51:28,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:28,894 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 19:51:29,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:29,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 347 states and 491 transitions. [2018-10-26 19:51:29,060 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 491 transitions. [2018-10-26 19:51:29,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-26 19:51:29,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:29,089 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 19:51:29,647 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 19:51:29,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:29,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 351 states and 497 transitions. [2018-10-26 19:51:29,748 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 497 transitions. [2018-10-26 19:51:29,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-26 19:51:29,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:29,776 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 19:51:30,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:30,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 353 states and 498 transitions. [2018-10-26 19:51:30,518 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 498 transitions. [2018-10-26 19:51:30,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-26 19:51:30,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:30,540 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:30,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:30,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 356 states and 503 transitions. [2018-10-26 19:51:30,710 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 503 transitions. [2018-10-26 19:51:30,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-26 19:51:30,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:30,735 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 19:51:31,078 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 19:51:31,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:31,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 357 states and 504 transitions. [2018-10-26 19:51:31,174 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 504 transitions. [2018-10-26 19:51:31,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 19:51:31,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:31,813 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:33,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:33,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 368 states and 517 transitions. [2018-10-26 19:51:33,033 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 517 transitions. [2018-10-26 19:51:33,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-26 19:51:33,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:33,066 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 19:51:33,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:33,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 369 states and 517 transitions. [2018-10-26 19:51:33,098 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 517 transitions. [2018-10-26 19:51:33,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-26 19:51:33,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:33,125 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:33,824 WARN L179 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 23 [2018-10-26 19:51:34,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:34,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 380 states and 530 transitions. [2018-10-26 19:51:34,349 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 530 transitions. [2018-10-26 19:51:34,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-26 19:51:34,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:34,447 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:51:34,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:34,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 381 states and 534 transitions. [2018-10-26 19:51:34,497 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 534 transitions. [2018-10-26 19:51:34,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-26 19:51:34,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:34,784 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:51:35,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:35,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 385 states and 542 transitions. [2018-10-26 19:51:35,102 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 542 transitions. [2018-10-26 19:51:35,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-26 19:51:35,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:35,129 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 19:51:35,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:35,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 387 states and 543 transitions. [2018-10-26 19:51:35,329 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 543 transitions. [2018-10-26 19:51:35,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-26 19:51:35,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:35,514 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:51:35,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:35,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 389 states and 546 transitions. [2018-10-26 19:51:35,751 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 546 transitions. [2018-10-26 19:51:35,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 19:51:35,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:35,780 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 19:51:35,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:35,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 390 states and 547 transitions. [2018-10-26 19:51:35,945 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 547 transitions. [2018-10-26 19:51:35,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 19:51:35,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:36,059 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:37,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:37,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 418 states and 583 transitions. [2018-10-26 19:51:37,793 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 583 transitions. [2018-10-26 19:51:37,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 19:51:37,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:37,838 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 19:51:38,259 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 19:51:38,763 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-26 19:51:40,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:40,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 434 states and 607 transitions. [2018-10-26 19:51:40,270 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 607 transitions. [2018-10-26 19:51:40,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 19:51:40,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 19:51:40,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:40,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 435 states and 607 transitions. [2018-10-26 19:51:40,448 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 607 transitions. [2018-10-26 19:51:40,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 19:51:40,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:40,932 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:51:42,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:42,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 460 states and 640 transitions. [2018-10-26 19:51:42,121 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 640 transitions. [2018-10-26 19:51:42,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 19:51:42,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:42,153 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 19:51:42,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:42,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 463 states and 643 transitions. [2018-10-26 19:51:42,910 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 643 transitions. [2018-10-26 19:51:42,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 19:51:42,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:42,936 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 19:51:43,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:43,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 473 states and 656 transitions. [2018-10-26 19:51:43,508 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 656 transitions. [2018-10-26 19:51:43,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 19:51:43,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:43,551 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:44,186 WARN L179 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2018-10-26 19:51:45,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:45,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 501 states and 688 transitions. [2018-10-26 19:51:45,618 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 688 transitions. [2018-10-26 19:51:45,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 19:51:45,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:45,995 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:47,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:47,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 572 states and 770 transitions. [2018-10-26 19:51:47,321 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 770 transitions. [2018-10-26 19:51:47,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-26 19:51:47,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:47,348 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 19:51:47,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:47,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 574 states and 777 transitions. [2018-10-26 19:51:47,585 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 777 transitions. [2018-10-26 19:51:47,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 19:51:47,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:47,615 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:51:48,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:48,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 589 states and 793 transitions. [2018-10-26 19:51:48,690 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 793 transitions. [2018-10-26 19:51:48,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 19:51:48,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:48,820 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:51:48,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:49,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 593 states and 797 transitions. [2018-10-26 19:51:49,000 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 797 transitions. [2018-10-26 19:51:49,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-26 19:51:49,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:49,030 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:50,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:50,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 610 states and 819 transitions. [2018-10-26 19:51:50,106 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 819 transitions. [2018-10-26 19:51:50,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-26 19:51:50,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:50,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:50,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 625 states and 836 transitions. [2018-10-26 19:51:50,780 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 836 transitions. [2018-10-26 19:51:50,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-26 19:51:50,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:50,810 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:51,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 626 states and 837 transitions. [2018-10-26 19:51:51,162 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 837 transitions. [2018-10-26 19:51:51,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-26 19:51:51,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:51,189 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:51,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:51,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 631 states and 842 transitions. [2018-10-26 19:51:51,436 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 842 transitions. [2018-10-26 19:51:51,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-26 19:51:51,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:51,469 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:52,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:52,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 651 states and 868 transitions. [2018-10-26 19:51:52,166 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 868 transitions. [2018-10-26 19:51:52,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-26 19:51:52,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:52,637 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:51:55,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:55,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 675 states and 903 transitions. [2018-10-26 19:51:55,108 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 903 transitions. [2018-10-26 19:51:55,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-26 19:51:55,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:55,317 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:51:56,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:56,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 691 states and 926 transitions. [2018-10-26 19:51:56,688 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 926 transitions. [2018-10-26 19:51:56,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-26 19:51:56,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:56,864 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:51:57,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:57,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 697 states and 933 transitions. [2018-10-26 19:51:57,145 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 933 transitions. [2018-10-26 19:51:57,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-26 19:51:57,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:57,252 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:51:57,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:57,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 701 states and 937 transitions. [2018-10-26 19:51:57,503 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 937 transitions. [2018-10-26 19:51:57,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-26 19:51:57,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:57,656 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:51:57,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:57,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 705 states and 941 transitions. [2018-10-26 19:51:57,977 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 941 transitions. [2018-10-26 19:51:57,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 19:51:57,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:58,009 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 19:51:58,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:58,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 716 states and 952 transitions. [2018-10-26 19:51:58,867 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 952 transitions. [2018-10-26 19:51:58,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-26 19:51:58,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:58,932 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:52:00,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:00,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 739 states and 979 transitions. [2018-10-26 19:52:00,511 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 979 transitions. [2018-10-26 19:52:00,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-26 19:52:00,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:00,536 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 19:52:00,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:00,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 740 states and 980 transitions. [2018-10-26 19:52:00,561 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 980 transitions. [2018-10-26 19:52:00,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 19:52:00,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:00,981 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:52:01,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:01,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 750 states and 992 transitions. [2018-10-26 19:52:01,480 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 992 transitions. [2018-10-26 19:52:01,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 19:52:01,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:01,511 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:52:01,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:01,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 759 states and 1001 transitions. [2018-10-26 19:52:01,669 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1001 transitions. [2018-10-26 19:52:01,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 19:52:01,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:01,970 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:52:03,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:03,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 769 states and 1015 transitions. [2018-10-26 19:52:03,872 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1015 transitions. [2018-10-26 19:52:03,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 19:52:03,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:03,908 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:52:04,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:04,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 774 states and 1021 transitions. [2018-10-26 19:52:04,463 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1021 transitions. [2018-10-26 19:52:04,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 19:52:04,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:04,498 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:52:04,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:04,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 775 states and 1024 transitions. [2018-10-26 19:52:04,779 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1024 transitions. [2018-10-26 19:52:04,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 19:52:04,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:04,822 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:52:05,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:05,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 785 states and 1033 transitions. [2018-10-26 19:52:05,367 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1033 transitions. [2018-10-26 19:52:05,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-26 19:52:05,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:05,396 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 19:52:05,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 795 states and 1044 transitions. [2018-10-26 19:52:05,826 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1044 transitions. [2018-10-26 19:52:05,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 19:52:05,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:06,356 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:52:09,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:09,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 840 states and 1092 transitions. [2018-10-26 19:52:09,094 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1092 transitions. [2018-10-26 19:52:09,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 19:52:09,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:09,150 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 19:52:09,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:09,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 845 states and 1102 transitions. [2018-10-26 19:52:09,885 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1102 transitions. [2018-10-26 19:52:09,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 19:52:09,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:10,089 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:52:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 846 states and 1106 transitions. [2018-10-26 19:52:10,426 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1106 transitions. [2018-10-26 19:52:10,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 19:52:10,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:10,463 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:52:12,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:12,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 880 states and 1147 transitions. [2018-10-26 19:52:12,673 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1147 transitions. [2018-10-26 19:52:12,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 19:52:12,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:12,720 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:52:13,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:13,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 888 states and 1154 transitions. [2018-10-26 19:52:13,388 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1154 transitions. [2018-10-26 19:52:13,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 19:52:13,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:13,583 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 19:52:14,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:14,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 901 states and 1178 transitions. [2018-10-26 19:52:14,615 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1178 transitions. [2018-10-26 19:52:14,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 19:52:14,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:14,747 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 19:52:15,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:15,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 906 states and 1185 transitions. [2018-10-26 19:52:15,566 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1185 transitions. [2018-10-26 19:52:15,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-26 19:52:15,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:15,606 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 19:52:19,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:19,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 936 states and 1227 transitions. [2018-10-26 19:52:19,367 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1227 transitions. [2018-10-26 19:52:19,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-26 19:52:19,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:19,409 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 19:52:20,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:20,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 942 states and 1233 transitions. [2018-10-26 19:52:20,807 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1233 transitions. [2018-10-26 19:52:20,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-26 19:52:20,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:20,923 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 19:52:21,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:21,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 952 states and 1242 transitions. [2018-10-26 19:52:21,287 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1242 transitions. [2018-10-26 19:52:21,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-26 19:52:21,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:21,323 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 19:52:21,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:21,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 954 states and 1244 transitions. [2018-10-26 19:52:21,740 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1244 transitions. [2018-10-26 19:52:21,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-26 19:52:21,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:22,243 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 19:52:23,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:23,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 964 states and 1263 transitions. [2018-10-26 19:52:23,886 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1263 transitions. [2018-10-26 19:52:23,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-26 19:52:23,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:24,156 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 19:52:24,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:24,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 966 states and 1264 transitions. [2018-10-26 19:52:24,502 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1264 transitions. [2018-10-26 19:52:24,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-26 19:52:24,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:25,237 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:52:26,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:26,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1036 states and 1337 transitions. [2018-10-26 19:52:26,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1337 transitions. [2018-10-26 19:52:26,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-26 19:52:26,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:28,599 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:52:33,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:33,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1122 states and 1428 transitions. [2018-10-26 19:52:33,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1428 transitions. [2018-10-26 19:52:33,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 19:52:33,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:33,506 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-26 19:52:33,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:33,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1124 states and 1435 transitions. [2018-10-26 19:52:33,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1435 transitions. [2018-10-26 19:52:33,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 19:52:33,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:35,425 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 19:52:38,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:38,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1176 states and 1488 transitions. [2018-10-26 19:52:38,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1488 transitions. [2018-10-26 19:52:38,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-26 19:52:38,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:40,101 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 19:52:47,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:47,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1282 states and 1602 transitions. [2018-10-26 19:52:47,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1602 transitions. [2018-10-26 19:52:47,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-26 19:52:47,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:47,738 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 19:52:49,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:49,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1293 states and 1615 transitions. [2018-10-26 19:52:49,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1615 transitions. [2018-10-26 19:52:49,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-26 19:52:49,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:49,494 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:52:49,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:49,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1299 states and 1623 transitions. [2018-10-26 19:52:49,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1623 transitions. [2018-10-26 19:52:49,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-26 19:52:49,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:49,934 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 118 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-26 19:52:50,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:50,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1305 states and 1634 transitions. [2018-10-26 19:52:50,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1634 transitions. [2018-10-26 19:52:50,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-26 19:52:50,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:50,943 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-26 19:52:51,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:51,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1306 states and 1635 transitions. [2018-10-26 19:52:51,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 1635 transitions. [2018-10-26 19:52:51,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-26 19:52:51,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:51,371 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-10-26 19:52:52,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:52,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1324 states and 1659 transitions. [2018-10-26 19:52:52,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1659 transitions. [2018-10-26 19:52:52,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-26 19:52:52,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:53,058 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2018-10-26 19:52:53,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:53,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1325 states and 1659 transitions. [2018-10-26 19:52:53,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1659 transitions. [2018-10-26 19:52:53,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 19:52:53,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:53,840 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-10-26 19:52:56,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:56,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1352 states and 1701 transitions. [2018-10-26 19:52:56,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1701 transitions. [2018-10-26 19:52:56,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 19:52:56,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:56,111 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 19:52:58,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:58,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1377 states and 1746 transitions. [2018-10-26 19:52:58,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1746 transitions. [2018-10-26 19:52:58,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 19:52:58,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:58,697 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 19:52:59,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:59,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1384 states and 1756 transitions. [2018-10-26 19:52:59,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1756 transitions. [2018-10-26 19:52:59,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 19:52:59,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:59,691 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 19:53:00,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:00,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1393 states and 1776 transitions. [2018-10-26 19:53:00,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1776 transitions. [2018-10-26 19:53:00,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 19:53:00,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:01,008 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 19:53:01,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:01,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1398 states and 1783 transitions. [2018-10-26 19:53:01,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1783 transitions. [2018-10-26 19:53:01,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 19:53:01,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:02,050 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 19:53:02,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:02,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1400 states and 1784 transitions. [2018-10-26 19:53:02,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1784 transitions. [2018-10-26 19:53:02,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 19:53:02,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:02,529 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 19:53:03,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:03,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1405 states and 1789 transitions. [2018-10-26 19:53:03,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 1789 transitions. [2018-10-26 19:53:03,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 19:53:03,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:03,711 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 19:53:04,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:04,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1409 states and 1794 transitions. [2018-10-26 19:53:04,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1794 transitions. [2018-10-26 19:53:04,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 19:53:04,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:04,590 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 19:53:04,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:04,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1411 states and 1795 transitions. [2018-10-26 19:53:04,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 1795 transitions. [2018-10-26 19:53:04,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 19:53:04,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:04,673 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-26 19:53:04,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:04,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1412 states and 1798 transitions. [2018-10-26 19:53:04,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1798 transitions. [2018-10-26 19:53:04,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-26 19:53:04,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:04,890 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-26 19:53:04,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:04,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1413 states and 1799 transitions. [2018-10-26 19:53:04,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1799 transitions. [2018-10-26 19:53:04,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-10-26 19:53:04,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:04,995 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-10-26 19:53:05,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:05,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 1423 states and 1810 transitions. [2018-10-26 19:53:05,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 1810 transitions. [2018-10-26 19:53:05,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-10-26 19:53:05,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:05,866 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:53:06,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:06,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1812 states to 1424 states and 1812 transitions. [2018-10-26 19:53:06,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 1812 transitions. [2018-10-26 19:53:06,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-10-26 19:53:06,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:06,520 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-10-26 19:53:08,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:08,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1438 states and 1826 transitions. [2018-10-26 19:53:08,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1826 transitions. [2018-10-26 19:53:08,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-10-26 19:53:08,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:08,063 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-10-26 19:53:08,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:08,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1443 states and 1830 transitions. [2018-10-26 19:53:08,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1830 transitions. [2018-10-26 19:53:08,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-10-26 19:53:08,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:08,669 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-26 19:53:09,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:09,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1460 states and 1851 transitions. [2018-10-26 19:53:09,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 1851 transitions. [2018-10-26 19:53:09,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-10-26 19:53:09,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:09,300 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-10-26 19:53:10,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:10,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1469 states and 1872 transitions. [2018-10-26 19:53:10,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1872 transitions. [2018-10-26 19:53:10,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-10-26 19:53:10,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:10,934 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-10-26 19:53:11,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:11,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1472 states and 1873 transitions. [2018-10-26 19:53:11,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 1873 transitions. [2018-10-26 19:53:11,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-10-26 19:53:11,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:11,404 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-10-26 19:53:11,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:11,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 1476 states and 1878 transitions. [2018-10-26 19:53:11,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1878 transitions. [2018-10-26 19:53:11,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-10-26 19:53:11,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:11,818 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-10-26 19:53:11,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:11,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1477 states and 1880 transitions. [2018-10-26 19:53:11,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 1880 transitions. [2018-10-26 19:53:11,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-10-26 19:53:11,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:11,907 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-10-26 19:53:12,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:12,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1490 states and 1896 transitions. [2018-10-26 19:53:12,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 1896 transitions. [2018-10-26 19:53:12,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-10-26 19:53:12,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:12,964 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-26 19:53:13,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:13,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1499 states and 1906 transitions. [2018-10-26 19:53:13,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1906 transitions. [2018-10-26 19:53:13,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-10-26 19:53:13,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:13,515 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-10-26 19:53:13,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:13,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1501 states and 1907 transitions. [2018-10-26 19:53:13,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 1907 transitions. [2018-10-26 19:53:13,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-10-26 19:53:13,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:14,204 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:53:18,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:18,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1521 states and 1951 transitions. [2018-10-26 19:53:18,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1951 transitions. [2018-10-26 19:53:18,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-10-26 19:53:18,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:18,147 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:53:19,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:19,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1528 states and 1963 transitions. [2018-10-26 19:53:19,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1963 transitions. [2018-10-26 19:53:19,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-10-26 19:53:19,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:19,489 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:53:20,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:20,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1531 states and 1966 transitions. [2018-10-26 19:53:20,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1966 transitions. [2018-10-26 19:53:20,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-10-26 19:53:20,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:20,694 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:53:21,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:21,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1967 states to 1533 states and 1967 transitions. [2018-10-26 19:53:21,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1967 transitions. [2018-10-26 19:53:21,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-10-26 19:53:21,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:21,225 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:53:21,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:21,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1537 states and 1972 transitions. [2018-10-26 19:53:21,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 1972 transitions. [2018-10-26 19:53:21,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-10-26 19:53:21,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:22,133 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 178 proven. 9 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-10-26 19:53:23,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:23,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1547 states and 1988 transitions. [2018-10-26 19:53:23,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 1988 transitions. [2018-10-26 19:53:23,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-26 19:53:23,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:25,037 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 186 proven. 14 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 19:53:26,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:26,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 1557 states and 2001 transitions. [2018-10-26 19:53:26,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 2001 transitions. [2018-10-26 19:53:26,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-26 19:53:26,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:27,610 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 186 proven. 14 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 19:53:30,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:30,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 1587 states and 2036 transitions. [2018-10-26 19:53:30,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 2036 transitions. [2018-10-26 19:53:30,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-26 19:53:30,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:30,318 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-10-26 19:53:30,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:30,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 1591 states and 2050 transitions. [2018-10-26 19:53:30,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2050 transitions. [2018-10-26 19:53:30,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-26 19:53:30,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:30,814 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-10-26 19:53:31,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:31,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 1592 states and 2050 transitions. [2018-10-26 19:53:31,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2050 transitions. [2018-10-26 19:53:31,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-26 19:53:31,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:31,471 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-10-26 19:53:31,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:31,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 1593 states and 2052 transitions. [2018-10-26 19:53:31,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2052 transitions. [2018-10-26 19:53:31,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-26 19:53:31,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:31,979 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-10-26 19:53:32,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:32,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 1594 states and 2052 transitions. [2018-10-26 19:53:32,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2052 transitions. [2018-10-26 19:53:32,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-26 19:53:32,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:32,415 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-10-26 19:53:33,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:33,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 1599 states and 2058 transitions. [2018-10-26 19:53:33,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 2058 transitions. [2018-10-26 19:53:33,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-26 19:53:33,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:33,731 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-10-26 19:53:34,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:34,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 1600 states and 2058 transitions. [2018-10-26 19:53:34,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 2058 transitions. [2018-10-26 19:53:34,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-26 19:53:34,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:34,215 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-10-26 19:53:34,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:34,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 1601 states and 2060 transitions. [2018-10-26 19:53:34,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 2060 transitions. [2018-10-26 19:53:34,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-26 19:53:34,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:34,690 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-10-26 19:53:36,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:36,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 1606 states and 2064 transitions. [2018-10-26 19:53:36,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2064 transitions. [2018-10-26 19:53:36,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-10-26 19:53:36,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:36,242 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-10-26 19:53:36,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:36,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 1613 states and 2070 transitions. [2018-10-26 19:53:36,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1613 states and 2070 transitions. [2018-10-26 19:53:36,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-10-26 19:53:36,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:37,019 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-10-26 19:53:37,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:37,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2073 states to 1614 states and 2073 transitions. [2018-10-26 19:53:37,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2073 transitions. [2018-10-26 19:53:37,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-10-26 19:53:37,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:37,494 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-10-26 19:53:37,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:37,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 1622 states and 2084 transitions. [2018-10-26 19:53:37,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 2084 transitions. [2018-10-26 19:53:37,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-10-26 19:53:37,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:37,594 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-10-26 19:53:38,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:38,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 1624 states and 2085 transitions. [2018-10-26 19:53:38,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2085 transitions. [2018-10-26 19:53:38,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-10-26 19:53:38,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:38,111 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-10-26 19:53:38,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:38,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 1631 states and 2091 transitions. [2018-10-26 19:53:38,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 2091 transitions. [2018-10-26 19:53:38,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-26 19:53:38,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:38,440 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 193 proven. 4 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 19:53:39,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:39,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 1640 states and 2099 transitions. [2018-10-26 19:53:39,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 2099 transitions. [2018-10-26 19:53:39,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-26 19:53:39,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:40,328 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 265 proven. 20 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:53:43,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:43,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2136 states to 1671 states and 2136 transitions. [2018-10-26 19:53:43,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2136 transitions. [2018-10-26 19:53:43,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:53:43,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:43,604 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 19:53:44,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:44,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 1679 states and 2156 transitions. [2018-10-26 19:53:44,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2156 transitions. [2018-10-26 19:53:44,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:53:44,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:44,711 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 19:53:45,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:45,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 1683 states and 2161 transitions. [2018-10-26 19:53:45,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2161 transitions. [2018-10-26 19:53:45,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:53:45,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:45,466 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 19:53:47,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:47,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 1688 states and 2167 transitions. [2018-10-26 19:53:47,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 2167 transitions. [2018-10-26 19:53:47,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:53:47,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:47,068 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 19:53:47,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:47,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1689 states and 2170 transitions. [2018-10-26 19:53:47,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2170 transitions. [2018-10-26 19:53:47,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:53:47,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:47,628 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 19:53:48,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:48,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1690 states and 2172 transitions. [2018-10-26 19:53:48,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 2172 transitions. [2018-10-26 19:53:48,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:53:48,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:48,117 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 19:53:49,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:49,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 1698 states and 2178 transitions. [2018-10-26 19:53:49,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2178 transitions. [2018-10-26 19:53:49,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:53:49,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:49,705 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 19:53:50,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:50,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 1699 states and 2178 transitions. [2018-10-26 19:53:50,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2178 transitions. [2018-10-26 19:53:50,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:53:50,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:50,209 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-10-26 19:53:53,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:53,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 1715 states and 2203 transitions. [2018-10-26 19:53:53,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2203 transitions. [2018-10-26 19:53:53,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:53:53,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:53,715 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-10-26 19:53:54,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:54,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2204 states to 1717 states and 2204 transitions. [2018-10-26 19:53:54,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2204 transitions. [2018-10-26 19:53:54,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:53:54,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:54,907 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-10-26 19:53:55,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:55,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 1719 states and 2205 transitions. [2018-10-26 19:53:55,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2205 transitions. [2018-10-26 19:53:55,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:53:55,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:55,407 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-10-26 19:53:56,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:56,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1725 states and 2212 transitions. [2018-10-26 19:53:56,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2212 transitions. [2018-10-26 19:53:56,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-10-26 19:53:56,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:56,385 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-10-26 19:53:56,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:56,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 1729 states and 2216 transitions. [2018-10-26 19:53:56,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2216 transitions. [2018-10-26 19:53:56,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-10-26 19:53:56,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:56,988 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-10-26 19:53:57,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:57,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 1741 states and 2229 transitions. [2018-10-26 19:53:57,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2229 transitions. [2018-10-26 19:53:57,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-10-26 19:53:57,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:57,151 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-10-26 19:53:58,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:58,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 1752 states and 2239 transitions. [2018-10-26 19:53:58,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2239 transitions. [2018-10-26 19:53:58,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-10-26 19:53:58,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:58,816 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-10-26 19:53:59,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:59,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 1753 states and 2241 transitions. [2018-10-26 19:53:59,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2241 transitions. [2018-10-26 19:53:59,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-10-26 19:53:59,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:59,394 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-10-26 19:54:00,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:00,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 1763 states and 2249 transitions. [2018-10-26 19:54:00,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2249 transitions. [2018-10-26 19:54:01,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-26 19:54:01,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:01,973 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 283 proven. 21 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:54:03,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:03,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 1770 states and 2259 transitions. [2018-10-26 19:54:03,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2259 transitions. [2018-10-26 19:54:03,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-26 19:54:03,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:04,012 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 283 proven. 21 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:54:04,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:04,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2268 states to 1779 states and 2268 transitions. [2018-10-26 19:54:04,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2268 transitions. [2018-10-26 19:54:04,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-26 19:54:04,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:05,801 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 265 proven. 34 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:54:06,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:06,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 1780 states and 2270 transitions. [2018-10-26 19:54:06,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2270 transitions. [2018-10-26 19:54:06,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-26 19:54:06,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:06,859 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 265 proven. 34 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:54:07,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:07,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2274 states to 1784 states and 2274 transitions. [2018-10-26 19:54:07,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2274 transitions. [2018-10-26 19:54:07,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-26 19:54:07,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:07,863 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 223 proven. 26 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:54:15,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:15,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 1862 states and 2367 transitions. [2018-10-26 19:54:15,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2367 transitions. [2018-10-26 19:54:15,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-26 19:54:15,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:16,019 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 223 proven. 26 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:54:19,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:19,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 1894 states and 2410 transitions. [2018-10-26 19:54:19,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2410 transitions. [2018-10-26 19:54:19,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-26 19:54:19,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:20,058 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 223 proven. 26 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:54:22,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:22,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 1911 states and 2427 transitions. [2018-10-26 19:54:22,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2427 transitions. [2018-10-26 19:54:22,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-26 19:54:22,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:23,570 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 223 proven. 26 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:54:24,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:24,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 1916 states and 2431 transitions. [2018-10-26 19:54:24,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1916 states and 2431 transitions. [2018-10-26 19:54:24,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-26 19:54:24,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:24,253 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 223 proven. 26 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:54:28,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:28,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 1946 states and 2474 transitions. [2018-10-26 19:54:28,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2474 transitions. [2018-10-26 19:54:28,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-26 19:54:28,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:29,441 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 223 proven. 26 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:54:30,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:30,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 1949 states and 2477 transitions. [2018-10-26 19:54:30,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1949 states and 2477 transitions. [2018-10-26 19:54:30,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-26 19:54:30,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:32,222 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 223 proven. 26 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:54:32,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:32,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 1951 states and 2478 transitions. [2018-10-26 19:54:32,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2478 transitions. [2018-10-26 19:54:32,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-26 19:54:32,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:33,432 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 223 proven. 26 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:54:35,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:35,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 1956 states and 2485 transitions. [2018-10-26 19:54:35,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2485 transitions. [2018-10-26 19:54:35,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-26 19:54:35,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:35,213 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 223 proven. 26 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:54:36,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:36,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 1961 states and 2490 transitions. [2018-10-26 19:54:36,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2490 transitions. [2018-10-26 19:54:36,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-26 19:54:36,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:37,189 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 244 proven. 27 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-10-26 19:54:38,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:38,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 1963 states and 2493 transitions. [2018-10-26 19:54:38,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1963 states and 2493 transitions. [2018-10-26 19:54:38,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-10-26 19:54:38,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:38,389 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 19:54:39,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:39,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 1981 states and 2514 transitions. [2018-10-26 19:54:39,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1981 states and 2514 transitions. [2018-10-26 19:54:39,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-10-26 19:54:39,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:39,976 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 19:54:41,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:41,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 1989 states and 2522 transitions. [2018-10-26 19:54:41,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1989 states and 2522 transitions. [2018-10-26 19:54:41,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-10-26 19:54:41,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:41,827 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 19:54:42,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:42,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 1990 states and 2523 transitions. [2018-10-26 19:54:42,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1990 states and 2523 transitions. [2018-10-26 19:54:42,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-10-26 19:54:42,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:42,513 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 19:54:43,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:43,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2524 states to 1991 states and 2524 transitions. [2018-10-26 19:54:43,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 2524 transitions. [2018-10-26 19:54:43,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-10-26 19:54:43,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:43,148 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 19:54:44,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:44,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2528 states to 1994 states and 2528 transitions. [2018-10-26 19:54:44,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2528 transitions. [2018-10-26 19:54:44,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-10-26 19:54:44,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:44,768 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 19:54:44,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:44,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 1996 states and 2530 transitions. [2018-10-26 19:54:44,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1996 states and 2530 transitions. [2018-10-26 19:54:44,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-10-26 19:54:44,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:44,910 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 19:54:45,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:45,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2000 states and 2534 transitions. [2018-10-26 19:54:45,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2534 transitions. [2018-10-26 19:54:45,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-10-26 19:54:45,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:45,637 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 19:54:46,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:46,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2536 states to 2003 states and 2536 transitions. [2018-10-26 19:54:46,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 2536 transitions. [2018-10-26 19:54:46,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-10-26 19:54:46,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:46,270 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 233 proven. 5 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-10-26 19:54:48,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:48,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2011 states and 2544 transitions. [2018-10-26 19:54:48,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 2544 transitions. [2018-10-26 19:54:48,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-10-26 19:54:48,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:48,133 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 233 proven. 5 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-10-26 19:54:48,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:48,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2014 states and 2546 transitions. [2018-10-26 19:54:48,625 INFO L276 IsEmpty]: Start isEmpty. Operand 2014 states and 2546 transitions. [2018-10-26 19:54:48,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-10-26 19:54:48,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:48,694 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 233 proven. 5 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-10-26 19:54:49,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:49,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2015 states and 2548 transitions. [2018-10-26 19:54:49,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2015 states and 2548 transitions. [2018-10-26 19:54:49,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-10-26 19:54:49,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:49,387 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 233 proven. 5 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-10-26 19:54:52,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:52,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2045 states and 2585 transitions. [2018-10-26 19:54:52,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2045 states and 2585 transitions. [2018-10-26 19:54:52,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-10-26 19:54:52,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 233 proven. 5 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-10-26 19:54:53,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:53,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 2049 states and 2589 transitions. [2018-10-26 19:54:53,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 2589 transitions. [2018-10-26 19:54:53,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-10-26 19:54:53,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:53,529 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 233 proven. 5 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-10-26 19:54:54,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:54,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 2053 states and 2593 transitions. [2018-10-26 19:54:54,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 2593 transitions. [2018-10-26 19:54:54,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-26 19:54:54,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:54,153 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-10-26 19:54:54,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:54,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 2069 states and 2608 transitions. [2018-10-26 19:54:54,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2608 transitions. [2018-10-26 19:54:54,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 19:54:54,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:54,815 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 306 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-10-26 19:54:55,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:55,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2073 states and 2612 transitions. [2018-10-26 19:54:55,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states and 2612 transitions. [2018-10-26 19:54:55,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-10-26 19:54:55,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:55,475 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 177 proven. 10 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 19:54:56,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:56,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2144 states and 2690 transitions. [2018-10-26 19:54:56,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2144 states and 2690 transitions. [2018-10-26 19:54:56,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-10-26 19:54:56,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:58,219 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-10-26 19:55:01,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:01,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2703 states to 2154 states and 2703 transitions. [2018-10-26 19:55:01,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 2703 transitions. [2018-10-26 19:55:01,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-10-26 19:55:01,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:03,565 WARN L179 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2018-10-26 19:55:03,672 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-10-26 19:55:10,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:10,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2203 states and 2754 transitions. [2018-10-26 19:55:10,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2203 states and 2754 transitions. [2018-10-26 19:55:10,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-10-26 19:55:10,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:10,831 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-10-26 19:55:11,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:11,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2758 states to 2208 states and 2758 transitions. [2018-10-26 19:55:11,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 2758 transitions. [2018-10-26 19:55:11,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-10-26 19:55:11,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:13,621 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 397 proven. 18 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:55:16,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:16,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2218 states and 2769 transitions. [2018-10-26 19:55:16,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2218 states and 2769 transitions. [2018-10-26 19:55:16,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-10-26 19:55:16,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:17,227 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 397 proven. 18 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:55:20,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:20,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 2243 states and 2798 transitions. [2018-10-26 19:55:20,601 INFO L276 IsEmpty]: Start isEmpty. Operand 2243 states and 2798 transitions. [2018-10-26 19:55:20,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-10-26 19:55:20,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:20,708 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2018-10-26 19:55:21,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:21,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2805 states to 2251 states and 2805 transitions. [2018-10-26 19:55:21,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 2805 transitions. [2018-10-26 19:55:21,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-10-26 19:55:21,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:21,551 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-10-26 19:55:21,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:21,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2178 states and 2728 transitions. [2018-10-26 19:55:21,898 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 2728 transitions. [2018-10-26 19:55:21,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:55:21,899 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 181 iterations. [2018-10-26 19:55:21,907 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 19:55:22,020 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 31 [2018-10-26 19:55:22,273 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 34 [2018-10-26 19:55:22,462 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 33 [2018-10-26 19:55:22,607 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2018-10-26 19:55:22,768 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 24 [2018-10-26 19:55:23,110 WARN L179 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 34 [2018-10-26 19:55:23,296 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 34 [2018-10-26 19:55:23,581 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 24 [2018-10-26 19:55:23,688 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 33 [2018-10-26 19:55:23,875 WARN L179 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 34 [2018-10-26 19:55:24,111 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 34 [2018-10-26 19:55:24,259 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 34 [2018-10-26 19:55:24,722 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-10-26 19:55:24,910 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 33 [2018-10-26 19:55:25,011 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 33 [2018-10-26 19:55:25,667 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2018-10-26 19:55:26,168 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 34 [2018-10-26 19:55:26,517 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 33 [2018-10-26 19:55:26,621 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 33 [2018-10-26 19:55:26,857 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2018-10-26 19:55:27,519 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-10-26 19:55:27,788 WARN L179 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 51 [2018-10-26 19:55:28,190 WARN L179 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-10-26 19:55:28,358 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 33 [2018-10-26 19:55:28,491 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 33 [2018-10-26 19:55:28,592 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 33 [2018-10-26 19:55:28,775 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 34 [2018-10-26 19:55:28,775 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:55:28,777 INFO L582 CodeCheckObserver]: Invariant with dag size 24 [2018-10-26 19:55:28,784 INFO L582 CodeCheckObserver]: Invariant with dag size 24 [2018-10-26 19:55:28,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 07:55:28 ImpRootNode [2018-10-26 19:55:28,785 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 19:55:28,785 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:55:28,785 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:55:28,786 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:55:28,786 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:51:21" (3/4) ... [2018-10-26 19:55:28,791 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 19:55:28,815 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-10-26 19:55:28,821 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-10-26 19:55:28,822 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-10-26 19:55:28,822 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 19:55:28,926 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_14041d7b-b099-41a2-9602-3b06cf735c4b/bin-2019/ukojak/witness.graphml [2018-10-26 19:55:28,926 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:55:28,926 INFO L168 Benchmark]: Toolchain (without parser) took 252585.43 ms. Allocated memory was 1.0 GB in the beginning and 4.5 GB in the end (delta: 3.5 GB). Free memory was 958.1 MB in the beginning and 1.3 GB in the end (delta: -324.9 MB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. [2018-10-26 19:55:28,928 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:55:28,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.57 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 931.2 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-10-26 19:55:28,929 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -210.7 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:55:28,929 INFO L168 Benchmark]: Boogie Preprocessor took 53.48 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:55:28,929 INFO L168 Benchmark]: RCFGBuilder took 4355.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 909.8 MB in the end (delta: 226.7 MB). Peak memory consumption was 226.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:55:28,929 INFO L168 Benchmark]: CodeCheck took 247389.98 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.3 GB). Free memory was 909.8 MB in the beginning and 1.3 GB in the end (delta: -439.0 MB). Peak memory consumption was 2.9 GB. Max. memory is 11.5 GB. [2018-10-26 19:55:28,930 INFO L168 Benchmark]: Witness Printer took 140.41 ms. Allocated memory is still 4.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. [2018-10-26 19:55:28,936 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, 199 locations, 1 error locations. SAFE Result, 240.4s OverallTime, 181 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 554520 SDtfs, -1361531146 SDslu, -1180274850 SDs, 0 SdLazy, 1417229320 SolverSat, 665393952 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1179.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 221526 GetRequests, 216043 SyntacticMatches, 3675 SemanticMatches, 1808 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2231481 ImplicationChecksByTransitivity, 211.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.8s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 33.3s InterpolantComputationTime, 33948 NumberOfCodeBlocks, 33948 NumberOfCodeBlocksAsserted, 180 NumberOfCheckSat, 33768 ConstructedInterpolants, 0 QuantifiedInterpolants, 24156629 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 180 InterpolantComputations, 150 PerfectInterpolantSequences, 35991/36519 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: 572]: 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: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((a17 == 1 || !(a20 == 1)) || a7 == 1) || !(a16 == 5)) || (((a8 == 15 && a12 == 8) && a17 <= 0) && a21 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((!(a16 == 5) || !(a20 == 1)) || a17 == 1) || a7 == 1) || (((a8 == 15 && a12 == 8) && a17 <= 0) && a21 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 462.57 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 931.2 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 179.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -210.7 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.48 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4355.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 909.8 MB in the end (delta: 226.7 MB). Peak memory consumption was 226.7 MB. Max. memory is 11.5 GB. * CodeCheck took 247389.98 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.3 GB). Free memory was 909.8 MB in the beginning and 1.3 GB in the end (delta: -439.0 MB). Peak memory consumption was 2.9 GB. Max. memory is 11.5 GB. * Witness Printer took 140.41 ms. Allocated memory is still 4.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...