./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label48_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_543755fe-6fdd-4647-9a5e-c2b48c9f7a81/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_543755fe-6fdd-4647-9a5e-c2b48c9f7a81/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_543755fe-6fdd-4647-9a5e-c2b48c9f7a81/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_543755fe-6fdd-4647-9a5e-c2b48c9f7a81/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label48_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_543755fe-6fdd-4647-9a5e-c2b48c9f7a81/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_543755fe-6fdd-4647-9a5e-c2b48c9f7a81/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 0efda15f8357629016064e69e444205aff537305 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 01:49:38,849 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 01:49:38,850 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 01:49:38,856 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 01:49:38,856 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 01:49:38,857 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 01:49:38,858 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 01:49:38,859 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 01:49:38,860 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 01:49:38,861 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 01:49:38,862 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 01:49:38,862 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 01:49:38,863 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 01:49:38,863 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 01:49:38,864 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 01:49:38,864 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 01:49:38,865 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 01:49:38,865 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 01:49:38,867 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 01:49:38,868 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 01:49:38,869 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 01:49:38,870 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 01:49:38,872 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 01:49:38,872 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 01:49:38,872 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 01:49:38,873 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 01:49:38,873 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 01:49:38,874 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 01:49:38,874 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 01:49:38,875 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 01:49:38,875 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 01:49:38,876 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 01:49:38,876 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 01:49:38,876 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 01:49:38,877 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 01:49:38,877 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 01:49:38,878 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_543755fe-6fdd-4647-9a5e-c2b48c9f7a81/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 01:49:38,888 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 01:49:38,888 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 01:49:38,889 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 01:49:38,889 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 01:49:38,890 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 01:49:38,890 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 01:49:38,891 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 01:49:38,891 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 01:49:38,891 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 01:49:38,891 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 01:49:38,891 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 01:49:38,891 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 01:49:38,891 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 01:49:38,891 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 01:49:38,892 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 01:49:38,892 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 01:49:38,892 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 01:49:38,892 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 01:49:38,892 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 01:49:38,892 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 01:49:38,894 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 01:49:38,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 01:49:38,894 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 01:49:38,894 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 01:49:38,894 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 01:49:38,895 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 01:49:38,895 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 01:49:38,895 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 01:49:38,895 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_543755fe-6fdd-4647-9a5e-c2b48c9f7a81/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 -> 0efda15f8357629016064e69e444205aff537305 [2018-11-10 01:49:38,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 01:49:38,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 01:49:38,930 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 01:49:38,932 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 01:49:38,932 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 01:49:38,932 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_543755fe-6fdd-4647-9a5e-c2b48c9f7a81/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label48_true-unreach-call_false-termination.c [2018-11-10 01:49:38,978 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_543755fe-6fdd-4647-9a5e-c2b48c9f7a81/bin-2019/ukojak/data/1d0c3b590/6646b0481e9d44e197a9b0eb3dddcecf/FLAGc63ef812c [2018-11-10 01:49:39,437 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 01:49:39,437 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_543755fe-6fdd-4647-9a5e-c2b48c9f7a81/sv-benchmarks/c/eca-rers2012/Problem01_label48_true-unreach-call_false-termination.c [2018-11-10 01:49:39,447 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_543755fe-6fdd-4647-9a5e-c2b48c9f7a81/bin-2019/ukojak/data/1d0c3b590/6646b0481e9d44e197a9b0eb3dddcecf/FLAGc63ef812c [2018-11-10 01:49:39,459 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_543755fe-6fdd-4647-9a5e-c2b48c9f7a81/bin-2019/ukojak/data/1d0c3b590/6646b0481e9d44e197a9b0eb3dddcecf [2018-11-10 01:49:39,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 01:49:39,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 01:49:39,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 01:49:39,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 01:49:39,467 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 01:49:39,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:49:39" (1/1) ... [2018-11-10 01:49:39,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:49:39, skipping insertion in model container [2018-11-10 01:49:39,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:49:39" (1/1) ... [2018-11-10 01:49:39,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 01:49:39,514 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 01:49:39,744 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:49:39,748 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 01:49:39,815 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:49:39,828 INFO L193 MainTranslator]: Completed translation [2018-11-10 01:49:39,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:49:39 WrapperNode [2018-11-10 01:49:39,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 01:49:39,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 01:49:39,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 01:49:39,829 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 01:49:39,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:49:39" (1/1) ... [2018-11-10 01:49:39,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:49:39" (1/1) ... [2018-11-10 01:49:39,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 01:49:39,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 01:49:39,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 01:49:39,939 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 01:49:39,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:49:39" (1/1) ... [2018-11-10 01:49:39,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:49:39" (1/1) ... [2018-11-10 01:49:39,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:49:39" (1/1) ... [2018-11-10 01:49:39,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:49:39" (1/1) ... [2018-11-10 01:49:39,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:49:39" (1/1) ... [2018-11-10 01:49:39,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:49:39" (1/1) ... [2018-11-10 01:49:39,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:49:39" (1/1) ... [2018-11-10 01:49:39,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 01:49:39,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 01:49:39,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 01:49:39,982 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 01:49:39,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:49:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_543755fe-6fdd-4647-9a5e-c2b48c9f7a81/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 01:49:40,037 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 01:49:40,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 01:49:40,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 01:49:41,392 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 01:49:41,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:49:41 BoogieIcfgContainer [2018-11-10 01:49:41,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 01:49:41,393 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 01:49:41,393 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 01:49:41,400 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 01:49:41,401 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:49:41" (1/1) ... [2018-11-10 01:49:41,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:49:41,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:41,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-10 01:49:41,435 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-10 01:49:41,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 01:49:41,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:41,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:42,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:42,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 147 states and 222 transitions. [2018-11-10 01:49:42,054 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 222 transitions. [2018-11-10 01:49:42,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 01:49:42,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:42,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:42,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:42,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 218 states and 316 transitions. [2018-11-10 01:49:42,623 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 316 transitions. [2018-11-10 01:49:42,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-10 01:49:42,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:42,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:42,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 224 states and 327 transitions. [2018-11-10 01:49:42,776 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 327 transitions. [2018-11-10 01:49:42,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-10 01:49:42,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:42,860 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:43,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:43,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 295 states and 404 transitions. [2018-11-10 01:49:43,421 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 404 transitions. [2018-11-10 01:49:43,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-10 01:49:43,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:43,492 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:43,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:43,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 303 states and 418 transitions. [2018-11-10 01:49:43,725 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 418 transitions. [2018-11-10 01:49:43,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-10 01:49:43,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:43,767 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:43,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:43,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 306 states and 423 transitions. [2018-11-10 01:49:43,807 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 423 transitions. [2018-11-10 01:49:43,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-10 01:49:43,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:43,858 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:44,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:44,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 310 states and 429 transitions. [2018-11-10 01:49:44,008 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 429 transitions. [2018-11-10 01:49:44,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 01:49:44,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:44,056 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:44,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:44,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 319 states and 449 transitions. [2018-11-10 01:49:44,561 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 449 transitions. [2018-11-10 01:49:44,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 01:49:44,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:44,579 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:44,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:44,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 325 states and 456 transitions. [2018-11-10 01:49:44,807 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 456 transitions. [2018-11-10 01:49:44,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 01:49:44,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:44,831 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:44,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:44,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 330 states and 462 transitions. [2018-11-10 01:49:44,957 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 462 transitions. [2018-11-10 01:49:44,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 01:49:44,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:45,012 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:45,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:45,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 335 states and 468 transitions. [2018-11-10 01:49:45,234 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 468 transitions. [2018-11-10 01:49:45,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-10 01:49:45,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:45,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:45,341 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:45,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:45,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 350 states and 490 transitions. [2018-11-10 01:49:45,770 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 490 transitions. [2018-11-10 01:49:45,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 01:49:45,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:45,796 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:49:46,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:46,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 359 states and 503 transitions. [2018-11-10 01:49:46,152 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 503 transitions. [2018-11-10 01:49:46,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 01:49:46,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:46,172 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:49:46,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:46,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 363 states and 509 transitions. [2018-11-10 01:49:46,306 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 509 transitions. [2018-11-10 01:49:46,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 01:49:46,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:46,325 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:49:46,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:46,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 365 states and 510 transitions. [2018-11-10 01:49:46,484 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 510 transitions. [2018-11-10 01:49:46,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-10 01:49:46,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:46,503 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:46,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:46,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 368 states and 517 transitions. [2018-11-10 01:49:46,685 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 517 transitions. [2018-11-10 01:49:46,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-10 01:49:46,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:46,705 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 01:49:46,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:46,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 369 states and 519 transitions. [2018-11-10 01:49:46,832 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 519 transitions. [2018-11-10 01:49:46,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-10 01:49:46,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:46,970 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:47,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:47,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 380 states and 532 transitions. [2018-11-10 01:49:47,822 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 532 transitions. [2018-11-10 01:49:47,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-10 01:49:47,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:47,877 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:48,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:48,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 381 states and 534 transitions. [2018-11-10 01:49:48,065 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 534 transitions. [2018-11-10 01:49:48,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 01:49:48,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:48,084 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:49:48,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:48,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 386 states and 539 transitions. [2018-11-10 01:49:48,113 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 539 transitions. [2018-11-10 01:49:48,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-10 01:49:48,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:48,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:48,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 404 states and 561 transitions. [2018-11-10 01:49:48,605 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 561 transitions. [2018-11-10 01:49:48,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-10 01:49:48,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:48,627 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:48,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:48,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 412 states and 571 transitions. [2018-11-10 01:49:48,839 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 571 transitions. [2018-11-10 01:49:48,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-10 01:49:48,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:48,860 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:48,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:48,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 413 states and 572 transitions. [2018-11-10 01:49:48,875 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 572 transitions. [2018-11-10 01:49:48,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 01:49:48,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:48,898 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 01:49:49,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:49,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 420 states and 579 transitions. [2018-11-10 01:49:49,064 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 579 transitions. [2018-11-10 01:49:49,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-10 01:49:49,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:49,136 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 01:49:49,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:49,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 434 states and 598 transitions. [2018-11-10 01:49:49,396 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 598 transitions. [2018-11-10 01:49:49,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-10 01:49:49,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:49,418 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 01:49:49,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:49,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 435 states and 600 transitions. [2018-11-10 01:49:49,570 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 600 transitions. [2018-11-10 01:49:49,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-10 01:49:49,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:49,586 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:49,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:49,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 442 states and 608 transitions. [2018-11-10 01:49:49,614 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 608 transitions. [2018-11-10 01:49:49,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 01:49:49,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:49,715 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:50,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:50,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 452 states and 618 transitions. [2018-11-10 01:49:50,073 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 618 transitions. [2018-11-10 01:49:50,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 01:49:50,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:50,093 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 01:49:50,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:50,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 453 states and 619 transitions. [2018-11-10 01:49:50,228 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 619 transitions. [2018-11-10 01:49:50,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 01:49:50,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:50,250 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 01:49:50,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:50,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 455 states and 621 transitions. [2018-11-10 01:49:50,289 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 621 transitions. [2018-11-10 01:49:50,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 01:49:50,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:50,313 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:50,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:50,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 456 states and 623 transitions. [2018-11-10 01:49:50,329 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 623 transitions. [2018-11-10 01:49:50,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 01:49:50,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:50,351 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 01:49:50,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:50,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 461 states and 628 transitions. [2018-11-10 01:49:50,374 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 628 transitions. [2018-11-10 01:49:50,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 01:49:50,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:50,395 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 01:49:50,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:50,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 464 states and 631 transitions. [2018-11-10 01:49:50,430 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 631 transitions. [2018-11-10 01:49:50,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 01:49:50,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:50,464 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:51,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:51,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 492 states and 660 transitions. [2018-11-10 01:49:51,185 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 660 transitions. [2018-11-10 01:49:51,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 01:49:51,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:51,352 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:52,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:52,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 563 states and 743 transitions. [2018-11-10 01:49:52,029 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 743 transitions. [2018-11-10 01:49:52,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 01:49:52,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:52,051 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 01:49:52,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:52,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 565 states and 745 transitions. [2018-11-10 01:49:52,072 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 745 transitions. [2018-11-10 01:49:52,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-10 01:49:52,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:52,414 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 01:49:53,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:53,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 591 states and 778 transitions. [2018-11-10 01:49:53,701 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 778 transitions. [2018-11-10 01:49:53,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 01:49:53,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:53,726 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 01:49:53,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:53,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 599 states and 786 transitions. [2018-11-10 01:49:53,753 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 786 transitions. [2018-11-10 01:49:53,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 01:49:53,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:53,771 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 01:49:53,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:53,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 605 states and 793 transitions. [2018-11-10 01:49:53,883 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 793 transitions. [2018-11-10 01:49:53,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-10 01:49:53,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:53,900 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 01:49:53,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:53,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 606 states and 794 transitions. [2018-11-10 01:49:53,921 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 794 transitions. [2018-11-10 01:49:53,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-10 01:49:53,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:53,937 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 01:49:53,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:53,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 607 states and 795 transitions. [2018-11-10 01:49:53,949 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 795 transitions. [2018-11-10 01:49:53,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-10 01:49:53,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:54,047 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:54,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:54,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 621 states and 819 transitions. [2018-11-10 01:49:54,758 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 819 transitions. [2018-11-10 01:49:54,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-10 01:49:54,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:54,776 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:55,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:55,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 627 states and 826 transitions. [2018-11-10 01:49:55,215 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 826 transitions. [2018-11-10 01:49:55,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 01:49:55,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:55,369 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 01:49:55,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:55,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 633 states and 835 transitions. [2018-11-10 01:49:55,960 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 835 transitions. [2018-11-10 01:49:55,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-10 01:49:55,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:55,982 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:49:56,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:56,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 643 states and 845 transitions. [2018-11-10 01:49:56,038 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 845 transitions. [2018-11-10 01:49:56,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-10 01:49:56,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:56,063 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:56,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 644 states and 845 transitions. [2018-11-10 01:49:56,168 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 845 transitions. [2018-11-10 01:49:56,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-10 01:49:56,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:56,262 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:56,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:56,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 654 states and 858 transitions. [2018-11-10 01:49:56,800 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 858 transitions. [2018-11-10 01:49:56,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 01:49:56,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:56,822 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:56,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:56,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 675 states and 882 transitions. [2018-11-10 01:49:56,949 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 882 transitions. [2018-11-10 01:49:56,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-10 01:49:56,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:56,966 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 01:49:56,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:56,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 684 states and 891 transitions. [2018-11-10 01:49:56,999 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 891 transitions. [2018-11-10 01:49:57,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-10 01:49:57,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:57,052 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:57,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:57,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 693 states and 901 transitions. [2018-11-10 01:49:57,098 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 901 transitions. [2018-11-10 01:49:57,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 01:49:57,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:57,120 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 01:49:57,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:57,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 706 states and 914 transitions. [2018-11-10 01:49:57,188 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 914 transitions. [2018-11-10 01:49:57,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 01:49:57,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:57,207 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 01:49:57,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:57,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 707 states and 915 transitions. [2018-11-10 01:49:57,220 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 915 transitions. [2018-11-10 01:49:57,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 01:49:57,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:57,333 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 01:49:58,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:58,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 741 states and 956 transitions. [2018-11-10 01:49:58,275 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 956 transitions. [2018-11-10 01:49:58,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 01:49:58,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:58,302 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:49:58,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:58,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 744 states and 959 transitions. [2018-11-10 01:49:58,325 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 959 transitions. [2018-11-10 01:49:58,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 01:49:58,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:58,354 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 01:49:58,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:58,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 748 states and 962 transitions. [2018-11-10 01:49:58,392 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 962 transitions. [2018-11-10 01:49:58,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 01:49:58,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:58,668 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 01:49:59,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:59,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 756 states and 982 transitions. [2018-11-10 01:49:59,806 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 982 transitions. [2018-11-10 01:49:59,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 01:49:59,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:49:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:49:59,976 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 01:49:59,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:49:59,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 758 states and 984 transitions. [2018-11-10 01:49:59,998 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 984 transitions. [2018-11-10 01:49:59,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 01:49:59,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:00,156 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 01:50:00,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:00,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 760 states and 985 transitions. [2018-11-10 01:50:00,339 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 985 transitions. [2018-11-10 01:50:00,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 01:50:00,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:00,585 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 01:50:02,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:02,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 809 states and 1040 transitions. [2018-11-10 01:50:02,525 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1040 transitions. [2018-11-10 01:50:02,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 01:50:02,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:02,613 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 01:50:03,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:03,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 812 states and 1047 transitions. [2018-11-10 01:50:03,152 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1047 transitions. [2018-11-10 01:50:03,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 01:50:03,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:03,241 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 01:50:03,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:03,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 816 states and 1051 transitions. [2018-11-10 01:50:03,426 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1051 transitions. [2018-11-10 01:50:03,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 01:50:03,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:03,458 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 01:50:03,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:03,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 821 states and 1061 transitions. [2018-11-10 01:50:03,912 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1061 transitions. [2018-11-10 01:50:03,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-10 01:50:03,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:03,950 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 01:50:04,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:04,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 825 states and 1069 transitions. [2018-11-10 01:50:04,152 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1069 transitions. [2018-11-10 01:50:04,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 01:50:04,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:04,188 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 01:50:05,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:05,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 868 states and 1118 transitions. [2018-11-10 01:50:05,128 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1118 transitions. [2018-11-10 01:50:05,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 01:50:05,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:05,161 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 01:50:05,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:05,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 874 states and 1131 transitions. [2018-11-10 01:50:05,883 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1131 transitions. [2018-11-10 01:50:05,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 01:50:05,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:05,905 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 01:50:05,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:05,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 878 states and 1135 transitions. [2018-11-10 01:50:05,929 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1135 transitions. [2018-11-10 01:50:05,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 01:50:05,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:05,948 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 01:50:05,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:05,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 885 states and 1142 transitions. [2018-11-10 01:50:05,973 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1142 transitions. [2018-11-10 01:50:05,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 01:50:05,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:05,992 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 01:50:06,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:06,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 892 states and 1150 transitions. [2018-11-10 01:50:06,112 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1150 transitions. [2018-11-10 01:50:06,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-10 01:50:06,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:06,166 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 01:50:06,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:06,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 902 states and 1162 transitions. [2018-11-10 01:50:06,621 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1162 transitions. [2018-11-10 01:50:06,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-10 01:50:06,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:06,657 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-10 01:50:07,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:07,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 907 states and 1180 transitions. [2018-11-10 01:50:07,008 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1180 transitions. [2018-11-10 01:50:07,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-10 01:50:07,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:07,032 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 01:50:07,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:07,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 917 states and 1190 transitions. [2018-11-10 01:50:07,075 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1190 transitions. [2018-11-10 01:50:07,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-10 01:50:07,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:07,113 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 01:50:07,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:07,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 951 states and 1226 transitions. [2018-11-10 01:50:07,581 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1226 transitions. [2018-11-10 01:50:07,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-10 01:50:07,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:07,611 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 01:50:07,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:07,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 952 states and 1229 transitions. [2018-11-10 01:50:07,902 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1229 transitions. [2018-11-10 01:50:07,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 01:50:07,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:07,939 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 01:50:08,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:08,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 972 states and 1249 transitions. [2018-11-10 01:50:08,009 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1249 transitions. [2018-11-10 01:50:08,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 01:50:08,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:08,386 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:50:10,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:10,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 997 states and 1291 transitions. [2018-11-10 01:50:10,515 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1291 transitions. [2018-11-10 01:50:10,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 01:50:10,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:10,665 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:50:10,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:10,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 998 states and 1292 transitions. [2018-11-10 01:50:10,818 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1292 transitions. [2018-11-10 01:50:10,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 01:50:10,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:11,365 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 114 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 01:50:13,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:13,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1051 states and 1354 transitions. [2018-11-10 01:50:13,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1354 transitions. [2018-11-10 01:50:13,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-10 01:50:13,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:14,259 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 01:50:16,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:16,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1120 states and 1429 transitions. [2018-11-10 01:50:16,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1429 transitions. [2018-11-10 01:50:16,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-10 01:50:16,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:16,694 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 96 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 01:50:17,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:17,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1135 states and 1449 transitions. [2018-11-10 01:50:17,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1449 transitions. [2018-11-10 01:50:17,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-10 01:50:17,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:17,686 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 01:50:18,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:18,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1202 states and 1520 transitions. [2018-11-10 01:50:18,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1520 transitions. [2018-11-10 01:50:18,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-10 01:50:18,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:18,662 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 01:50:18,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:18,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1203 states and 1520 transitions. [2018-11-10 01:50:18,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1520 transitions. [2018-11-10 01:50:18,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-10 01:50:18,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:18,950 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 01:50:19,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:19,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1205 states and 1528 transitions. [2018-11-10 01:50:19,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1528 transitions. [2018-11-10 01:50:19,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-10 01:50:19,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:19,061 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 01:50:19,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:19,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1206 states and 1530 transitions. [2018-11-10 01:50:19,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1530 transitions. [2018-11-10 01:50:19,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-10 01:50:19,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:19,795 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 01:50:21,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:21,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1232 states and 1559 transitions. [2018-11-10 01:50:21,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1559 transitions. [2018-11-10 01:50:21,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-10 01:50:21,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:21,338 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 01:50:22,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:22,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1275 states and 1601 transitions. [2018-11-10 01:50:22,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1601 transitions. [2018-11-10 01:50:22,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-10 01:50:22,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:22,046 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 01:50:22,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:22,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1276 states and 1605 transitions. [2018-11-10 01:50:22,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1605 transitions. [2018-11-10 01:50:22,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-10 01:50:22,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:22,310 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 01:50:22,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:22,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1613 states to 1281 states and 1613 transitions. [2018-11-10 01:50:22,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1613 transitions. [2018-11-10 01:50:22,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 01:50:22,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:22,798 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 01:50:22,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:22,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1282 states and 1615 transitions. [2018-11-10 01:50:22,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1615 transitions. [2018-11-10 01:50:22,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 01:50:22,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:22,883 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 01:50:23,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:23,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 1349 states and 1685 transitions. [2018-11-10 01:50:23,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1685 transitions. [2018-11-10 01:50:23,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 01:50:23,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:23,836 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 01:50:24,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:24,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1406 states and 1743 transitions. [2018-11-10 01:50:24,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1743 transitions. [2018-11-10 01:50:24,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 01:50:24,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:24,485 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 01:50:24,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:24,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1407 states and 1743 transitions. [2018-11-10 01:50:24,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 1743 transitions. [2018-11-10 01:50:24,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-10 01:50:24,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:24,784 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 01:50:26,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:26,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1474 states and 1826 transitions. [2018-11-10 01:50:26,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1826 transitions. [2018-11-10 01:50:26,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-10 01:50:26,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:26,673 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 01:50:26,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:26,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1475 states and 1827 transitions. [2018-11-10 01:50:26,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1827 transitions. [2018-11-10 01:50:26,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-10 01:50:26,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:26,990 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 01:50:27,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:27,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1476 states and 1831 transitions. [2018-11-10 01:50:27,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1831 transitions. [2018-11-10 01:50:27,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-10 01:50:27,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:27,709 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 101 proven. 26 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 01:50:30,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:30,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1505 states and 1874 transitions. [2018-11-10 01:50:30,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1874 transitions. [2018-11-10 01:50:30,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-10 01:50:30,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:30,814 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 101 proven. 26 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 01:50:32,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:32,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1526 states and 1902 transitions. [2018-11-10 01:50:32,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1902 transitions. [2018-11-10 01:50:32,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-10 01:50:32,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:32,535 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-10 01:50:32,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:32,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1527 states and 1905 transitions. [2018-11-10 01:50:32,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1905 transitions. [2018-11-10 01:50:32,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 01:50:32,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:32,832 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 01:50:33,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:33,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1528 states and 1906 transitions. [2018-11-10 01:50:33,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1906 transitions. [2018-11-10 01:50:33,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 01:50:33,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:33,098 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 01:50:33,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:33,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1529 states and 1909 transitions. [2018-11-10 01:50:33,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1909 transitions. [2018-11-10 01:50:33,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 01:50:33,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:33,450 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 01:50:33,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:33,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1530 states and 1911 transitions. [2018-11-10 01:50:33,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 1911 transitions. [2018-11-10 01:50:33,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 01:50:33,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:33,761 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 01:50:34,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:34,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1531 states and 1913 transitions. [2018-11-10 01:50:34,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1913 transitions. [2018-11-10 01:50:34,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-10 01:50:34,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:34,139 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-10 01:50:35,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:35,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1537 states and 1923 transitions. [2018-11-10 01:50:35,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 1923 transitions. [2018-11-10 01:50:35,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 01:50:35,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:35,286 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 110 proven. 11 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 01:50:36,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:36,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 1551 states and 1940 transitions. [2018-11-10 01:50:36,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 1940 transitions. [2018-11-10 01:50:36,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-10 01:50:36,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:36,172 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-10 01:50:36,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:36,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1572 states and 1963 transitions. [2018-11-10 01:50:36,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 1963 transitions. [2018-11-10 01:50:36,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-10 01:50:36,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:36,805 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-10 01:50:36,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:36,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1573 states and 1963 transitions. [2018-11-10 01:50:36,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1963 transitions. [2018-11-10 01:50:36,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-10 01:50:36,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:37,018 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-10 01:50:37,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:37,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1576 states and 1968 transitions. [2018-11-10 01:50:37,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1968 transitions. [2018-11-10 01:50:37,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-10 01:50:37,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:37,346 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-10 01:50:37,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:37,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1577 states and 1968 transitions. [2018-11-10 01:50:37,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 1968 transitions. [2018-11-10 01:50:37,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 01:50:37,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:38,414 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 01:50:39,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:39,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1594 states and 1988 transitions. [2018-11-10 01:50:39,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 1988 transitions. [2018-11-10 01:50:39,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-10 01:50:39,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:39,509 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-10 01:50:40,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:40,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1599 states and 1997 transitions. [2018-11-10 01:50:40,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 1997 transitions. [2018-11-10 01:50:40,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-10 01:50:40,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:40,206 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-10 01:50:40,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:40,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 1608 states and 2008 transitions. [2018-11-10 01:50:40,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2008 transitions. [2018-11-10 01:50:40,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-10 01:50:40,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:41,133 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-10 01:50:43,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:43,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 1620 states and 2030 transitions. [2018-11-10 01:50:43,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 2030 transitions. [2018-11-10 01:50:43,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-10 01:50:43,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:43,328 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-10 01:50:43,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:43,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 1622 states and 2032 transitions. [2018-11-10 01:50:43,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 2032 transitions. [2018-11-10 01:50:43,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-10 01:50:43,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 205 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-10 01:50:45,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:45,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 1631 states and 2046 transitions. [2018-11-10 01:50:45,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 2046 transitions. [2018-11-10 01:50:45,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-10 01:50:45,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:45,119 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 01:50:46,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:46,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 1666 states and 2087 transitions. [2018-11-10 01:50:46,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2087 transitions. [2018-11-10 01:50:46,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 01:50:46,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:46,490 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 01:50:48,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:48,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 1697 states and 2127 transitions. [2018-11-10 01:50:48,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 2127 transitions. [2018-11-10 01:50:48,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 01:50:48,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:48,805 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 01:50:49,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:49,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1764 states and 2196 transitions. [2018-11-10 01:50:49,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2196 transitions. [2018-11-10 01:50:49,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 01:50:49,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:49,956 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 01:50:50,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:50,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1765 states and 2196 transitions. [2018-11-10 01:50:50,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2196 transitions. [2018-11-10 01:50:50,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-10 01:50:50,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:50,603 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 01:50:54,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:54,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 1812 states and 2263 transitions. [2018-11-10 01:50:54,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 2263 transitions. [2018-11-10 01:50:54,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-10 01:50:54,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:54,334 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 01:50:55,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:55,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2279 states to 1826 states and 2279 transitions. [2018-11-10 01:50:55,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 2279 transitions. [2018-11-10 01:50:55,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-10 01:50:55,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:55,608 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 32 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 01:50:58,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:58,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 1865 states and 2325 transitions. [2018-11-10 01:50:58,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2325 transitions. [2018-11-10 01:50:58,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-10 01:50:58,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:58,151 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-10 01:50:59,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:50:59,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2350 states to 1882 states and 2350 transitions. [2018-11-10 01:50:59,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2350 transitions. [2018-11-10 01:50:59,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 01:50:59,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:50:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:50:59,388 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 01:51:00,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:00,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 1891 states and 2358 transitions. [2018-11-10 01:51:00,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2358 transitions. [2018-11-10 01:51:00,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 01:51:00,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:00,108 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 01:51:00,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:00,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 1892 states and 2360 transitions. [2018-11-10 01:51:00,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 2360 transitions. [2018-11-10 01:51:00,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 01:51:00,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:01,998 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 01:51:04,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:04,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2408 states to 1940 states and 2408 transitions. [2018-11-10 01:51:04,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1940 states and 2408 transitions. [2018-11-10 01:51:04,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-10 01:51:04,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:04,676 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-10 01:51:06,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:06,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 1962 states and 2439 transitions. [2018-11-10 01:51:06,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2439 transitions. [2018-11-10 01:51:06,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-10 01:51:06,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:06,512 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 01:51:08,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:08,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 1987 states and 2474 transitions. [2018-11-10 01:51:08,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 2474 transitions. [2018-11-10 01:51:08,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-10 01:51:08,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:08,724 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-10 01:51:08,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:08,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 1988 states and 2475 transitions. [2018-11-10 01:51:08,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2475 transitions. [2018-11-10 01:51:08,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-10 01:51:08,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:10,814 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 01:51:12,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:12,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 1989 states and 2477 transitions. [2018-11-10 01:51:12,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1989 states and 2477 transitions. [2018-11-10 01:51:12,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-10 01:51:12,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:13,128 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 01:51:13,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:13,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2480 states to 1990 states and 2480 transitions. [2018-11-10 01:51:13,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1990 states and 2480 transitions. [2018-11-10 01:51:13,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-10 01:51:13,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:13,673 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 01:51:13,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:13,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 2002 states and 2492 transitions. [2018-11-10 01:51:13,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 2492 transitions. [2018-11-10 01:51:13,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-10 01:51:13,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:14,861 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 184 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:51:18,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:18,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2047 states and 2551 transitions. [2018-11-10 01:51:18,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2551 transitions. [2018-11-10 01:51:18,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-10 01:51:18,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:19,542 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 61 proven. 148 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 01:51:23,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:23,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 2124 states and 2639 transitions. [2018-11-10 01:51:23,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 2639 transitions. [2018-11-10 01:51:23,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-10 01:51:23,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:23,243 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-10 01:51:23,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:23,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2640 states to 2126 states and 2640 transitions. [2018-11-10 01:51:23,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 2640 transitions. [2018-11-10 01:51:23,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-10 01:51:23,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:25,417 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 01:51:27,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:27,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 2127 states and 2642 transitions. [2018-11-10 01:51:27,339 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2642 transitions. [2018-11-10 01:51:27,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-10 01:51:27,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:27,392 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-10 01:51:27,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:27,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2131 states and 2645 transitions. [2018-11-10 01:51:27,627 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 2645 transitions. [2018-11-10 01:51:27,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-10 01:51:27,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:28,223 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 01:51:30,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:30,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2682 states to 2161 states and 2682 transitions. [2018-11-10 01:51:30,244 INFO L276 IsEmpty]: Start isEmpty. Operand 2161 states and 2682 transitions. [2018-11-10 01:51:30,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-10 01:51:30,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:30,629 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-10 01:51:31,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:31,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2163 states and 2685 transitions. [2018-11-10 01:51:31,753 INFO L276 IsEmpty]: Start isEmpty. Operand 2163 states and 2685 transitions. [2018-11-10 01:51:31,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-10 01:51:31,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:31,799 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 01:51:35,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:35,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2191 states and 2726 transitions. [2018-11-10 01:51:35,335 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 2726 transitions. [2018-11-10 01:51:35,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-10 01:51:35,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:35,381 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 01:51:38,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:38,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2214 states and 2755 transitions. [2018-11-10 01:51:38,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 2755 transitions. [2018-11-10 01:51:38,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-10 01:51:38,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:38,760 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 01:51:39,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:39,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2215 states and 2756 transitions. [2018-11-10 01:51:39,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2215 states and 2756 transitions. [2018-11-10 01:51:39,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-10 01:51:39,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:40,130 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 265 proven. 20 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-10 01:51:44,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:44,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 2246 states and 2797 transitions. [2018-11-10 01:51:44,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 2797 transitions. [2018-11-10 01:51:44,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-10 01:51:44,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:44,914 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 265 proven. 20 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-10 01:51:45,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:45,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2252 states and 2804 transitions. [2018-11-10 01:51:45,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2252 states and 2804 transitions. [2018-11-10 01:51:45,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-10 01:51:45,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:46,071 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 265 proven. 20 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-10 01:51:46,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:46,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2257 states and 2808 transitions. [2018-11-10 01:51:46,745 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 2808 transitions. [2018-11-10 01:51:46,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-10 01:51:46,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:47,446 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 274 proven. 21 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-10 01:51:48,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:48,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2261 states and 2813 transitions. [2018-11-10 01:51:48,258 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2813 transitions. [2018-11-10 01:51:48,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-10 01:51:48,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:48,313 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 01:51:50,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:50,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 2268 states and 2827 transitions. [2018-11-10 01:51:50,625 INFO L276 IsEmpty]: Start isEmpty. Operand 2268 states and 2827 transitions. [2018-11-10 01:51:50,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-10 01:51:50,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:50,679 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 01:51:50,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:50,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2271 states and 2830 transitions. [2018-11-10 01:51:50,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2271 states and 2830 transitions. [2018-11-10 01:51:50,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-10 01:51:50,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:51,015 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 01:51:51,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:51,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 2275 states and 2834 transitions. [2018-11-10 01:51:51,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2275 states and 2834 transitions. [2018-11-10 01:51:51,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-10 01:51:51,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:51,566 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 01:51:52,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:52,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2838 states to 2279 states and 2838 transitions. [2018-11-10 01:51:52,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2279 states and 2838 transitions. [2018-11-10 01:51:52,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-10 01:51:52,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:54,017 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 01:51:57,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:57,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2328 states and 2891 transitions. [2018-11-10 01:51:57,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2328 states and 2891 transitions. [2018-11-10 01:51:57,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-10 01:51:57,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:57,609 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 01:51:57,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:51:57,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2329 states and 2891 transitions. [2018-11-10 01:51:57,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2329 states and 2891 transitions. [2018-11-10 01:51:57,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-10 01:51:57,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:51:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:51:59,153 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 283 proven. 21 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-10 01:52:00,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:52:00,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2334 states and 2898 transitions. [2018-11-10 01:52:00,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 2898 transitions. [2018-11-10 01:52:00,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-10 01:52:00,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:52:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:52:01,483 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 265 proven. 34 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-10 01:52:02,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:52:02,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2335 states and 2900 transitions. [2018-11-10 01:52:02,432 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 2900 transitions. [2018-11-10 01:52:02,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-10 01:52:02,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:52:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:52:02,522 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 265 proven. 34 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-10 01:52:03,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:52:03,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 2339 states and 2905 transitions. [2018-11-10 01:52:03,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2339 states and 2905 transitions. [2018-11-10 01:52:03,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-10 01:52:03,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:52:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:52:03,658 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-10 01:52:05,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:52:05,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2343 states and 2909 transitions. [2018-11-10 01:52:05,146 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 2909 transitions. [2018-11-10 01:52:05,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-10 01:52:05,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:52:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:52:05,202 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-10 01:52:06,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:52:06,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2348 states and 2915 transitions. [2018-11-10 01:52:06,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 2915 transitions. [2018-11-10 01:52:06,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-10 01:52:06,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:52:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:52:06,614 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-10 01:52:07,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:52:07,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2350 states and 2916 transitions. [2018-11-10 01:52:07,316 INFO L276 IsEmpty]: Start isEmpty. Operand 2350 states and 2916 transitions. [2018-11-10 01:52:07,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-10 01:52:07,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:52:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:52:07,417 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 153 proven. 10 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-10 01:52:07,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:52:07,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 2356 states and 2924 transitions. [2018-11-10 01:52:07,871 INFO L276 IsEmpty]: Start isEmpty. Operand 2356 states and 2924 transitions. [2018-11-10 01:52:07,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-10 01:52:07,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:52:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:52:07,970 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 153 proven. 10 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-10 01:52:08,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:52:08,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 2357 states and 2924 transitions. [2018-11-10 01:52:08,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2357 states and 2924 transitions. [2018-11-10 01:52:08,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-10 01:52:08,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:52:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:52:08,272 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-11-10 01:52:09,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:52:09,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2931 states to 2363 states and 2931 transitions. [2018-11-10 01:52:09,239 INFO L276 IsEmpty]: Start isEmpty. Operand 2363 states and 2931 transitions. [2018-11-10 01:52:09,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-10 01:52:09,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:52:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:52:09,284 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-11-10 01:52:09,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:52:09,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2364 states and 2932 transitions. [2018-11-10 01:52:09,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2364 states and 2932 transitions. [2018-11-10 01:52:09,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-11-10 01:52:09,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:52:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:52:09,773 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-11-10 01:52:14,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:52:14,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2978 states to 2404 states and 2978 transitions. [2018-11-10 01:52:14,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 2978 transitions. [2018-11-10 01:52:14,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-10 01:52:14,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:52:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:52:14,408 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-10 01:52:17,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:52:17,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3038 states to 2463 states and 3038 transitions. [2018-11-10 01:52:17,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2463 states and 3038 transitions. [2018-11-10 01:52:17,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-10 01:52:17,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:52:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:52:18,011 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-10 01:52:18,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:52:18,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3038 states to 2464 states and 3038 transitions. [2018-11-10 01:52:18,166 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 3038 transitions. [2018-11-10 01:52:18,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-10 01:52:18,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:52:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:52:18,729 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 19 proven. 308 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 01:52:28,207 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-11-10 01:52:32,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:52:32,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 2589 states and 3227 transitions. [2018-11-10 01:52:32,886 INFO L276 IsEmpty]: Start isEmpty. Operand 2589 states and 3227 transitions. [2018-11-10 01:52:32,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-10 01:52:32,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 01:52:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:52:33,017 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 118 proven. 222 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-10 01:52:34,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 01:52:34,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 2525 states and 3162 transitions. [2018-11-10 01:52:34,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 3162 transitions. [2018-11-10 01:52:34,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 01:52:34,276 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 166 iterations. [2018-11-10 01:52:34,283 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 01:52:34,536 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 17 [2018-11-10 01:52:34,954 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 17 [2018-11-10 01:52:35,060 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 17 [2018-11-10 01:52:35,388 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2018-11-10 01:52:35,631 WARN L179 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 17 [2018-11-10 01:52:35,751 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 17 [2018-11-10 01:52:35,919 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2018-11-10 01:52:37,223 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-11-10 01:52:37,629 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2018-11-10 01:52:37,863 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2018-11-10 01:52:38,103 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 17 [2018-11-10 01:52:38,342 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-11-10 01:52:38,882 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 17 [2018-11-10 01:52:39,142 WARN L179 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 52 [2018-11-10 01:52:39,873 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 17 [2018-11-10 01:52:39,873 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 01:52:39,875 INFO L582 CodeCheckObserver]: Invariant with dag size 17 [2018-11-10 01:52:39,881 INFO L582 CodeCheckObserver]: Invariant with dag size 17 [2018-11-10 01:52:39,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 01:52:39 ImpRootNode [2018-11-10 01:52:39,882 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 01:52:39,883 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 01:52:39,883 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 01:52:39,883 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 01:52:39,883 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:49:41" (3/4) ... [2018-11-10 01:52:39,888 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 01:52:39,903 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-10 01:52:39,904 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 01:52:39,905 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 01:52:39,905 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 01:52:39,999 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_543755fe-6fdd-4647-9a5e-c2b48c9f7a81/bin-2019/ukojak/witness.graphml [2018-11-10 01:52:39,999 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 01:52:40,000 INFO L168 Benchmark]: Toolchain (without parser) took 180537.80 ms. Allocated memory was 1.0 GB in the beginning and 4.1 GB in the end (delta: 3.1 GB). Free memory was 956.5 MB in the beginning and 1.6 GB in the end (delta: -619.8 MB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2018-11-10 01:52:40,001 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:52:40,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.79 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 921.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 01:52:40,001 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 921.6 MB in the beginning and 1.2 GB in the end (delta: -246.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-10 01:52:40,001 INFO L168 Benchmark]: Boogie Preprocessor took 42.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2018-11-10 01:52:40,002 INFO L168 Benchmark]: RCFGBuilder took 1411.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 924.8 MB in the end (delta: 233.7 MB). Peak memory consumption was 233.7 MB. Max. memory is 11.5 GB. [2018-11-10 01:52:40,002 INFO L168 Benchmark]: CodeCheck took 178489.49 ms. Allocated memory was 1.2 GB in the beginning and 4.1 GB in the end (delta: 2.9 GB). Free memory was 924.8 MB in the beginning and 1.6 GB in the end (delta: -709.7 MB). Peak memory consumption was 2.9 GB. Max. memory is 11.5 GB. [2018-11-10 01:52:40,002 INFO L168 Benchmark]: Witness Printer took 116.84 ms. Allocated memory is still 4.1 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 58.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. [2018-11-10 01:52:40,004 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, 172.8s OverallTime, 166 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1533762520 SDtfs, -1724809656 SDslu, 999610308 SDs, 0 SdLazy, 1762573056 SolverSat, -1167568924 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 531.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 176439 GetRequests, 171118 SyntacticMatches, 3569 SemanticMatches, 1752 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1930878 ImplicationChecksByTransitivity, 154.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 22.2s InterpolantComputationTime, 26467 NumberOfCodeBlocks, 26467 NumberOfCodeBlocksAsserted, 165 NumberOfCheckSat, 26302 ConstructedInterpolants, 0 QuantifiedInterpolants, 20884624 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 165 InterpolantComputations, 134 PerfectInterpolantSequences, 22924/24023 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: 539]: 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: (((!(a16 == 5) || a8 == 15) || !(a17 == 1)) || a7 == 1) || !(a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((!(a16 == 5) || !(a17 == 1)) || a7 == 1) || a8 == 15) || !(a20 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.79 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 921.6 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 109.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 921.6 MB in the beginning and 1.2 GB in the end (delta: -246.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1411.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 924.8 MB in the end (delta: 233.7 MB). Peak memory consumption was 233.7 MB. Max. memory is 11.5 GB. * CodeCheck took 178489.49 ms. Allocated memory was 1.2 GB in the beginning and 4.1 GB in the end (delta: 2.9 GB). Free memory was 924.8 MB in the beginning and 1.6 GB in the end (delta: -709.7 MB). Peak memory consumption was 2.9 GB. Max. memory is 11.5 GB. * Witness Printer took 116.84 ms. Allocated memory is still 4.1 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 58.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...