./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label52_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_a3726f8c-3d52-4d47-9e2d-75454255793a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a3726f8c-3d52-4d47-9e2d-75454255793a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a3726f8c-3d52-4d47-9e2d-75454255793a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a3726f8c-3d52-4d47-9e2d-75454255793a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label52_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a3726f8c-3d52-4d47-9e2d-75454255793a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a3726f8c-3d52-4d47-9e2d-75454255793a/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 b953cc2449a7f939fba62b70833772464a0d90fd ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:22:26,566 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:22:26,568 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:22:26,578 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:22:26,579 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:22:26,580 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:22:26,581 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:22:26,583 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:22:26,584 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:22:26,585 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:22:26,586 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:22:26,586 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:22:26,587 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:22:26,588 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:22:26,589 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:22:26,589 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:22:26,590 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:22:26,592 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:22:26,594 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:22:26,595 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:22:26,596 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:22:26,597 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:22:26,600 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:22:26,600 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:22:26,600 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:22:26,601 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:22:26,602 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:22:26,603 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:22:26,604 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:22:26,605 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:22:26,605 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:22:26,606 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:22:26,606 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:22:26,606 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:22:26,607 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:22:26,608 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:22:26,608 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a3726f8c-3d52-4d47-9e2d-75454255793a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 23:22:26,623 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:22:26,624 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:22:26,625 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:22:26,625 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:22:26,625 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:22:26,626 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:22:26,626 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:22:26,626 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:22:26,631 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:22:26,632 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:22:26,632 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:22:26,632 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:22:26,632 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:22:26,632 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:22:26,633 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:22:26,633 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:22:26,633 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:22:26,633 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:22:26,633 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:22:26,634 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:22:26,634 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:22:26,634 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:22:26,634 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:22:26,634 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:22:26,634 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:22:26,635 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 23:22:26,635 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:22:26,635 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:22:26,635 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_a3726f8c-3d52-4d47-9e2d-75454255793a/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 -> b953cc2449a7f939fba62b70833772464a0d90fd [2018-10-26 23:22:26,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:22:26,700 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:22:26,703 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:22:26,708 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:22:26,708 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:22:26,709 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a3726f8c-3d52-4d47-9e2d-75454255793a/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label52_true-unreach-call_false-termination.c [2018-10-26 23:22:26,768 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3726f8c-3d52-4d47-9e2d-75454255793a/bin-2019/ukojak/data/68bf715e0/d822fdd07bdf4313afcfeacd00ce6347/FLAGc773be1c0 [2018-10-26 23:22:27,260 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:22:27,262 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a3726f8c-3d52-4d47-9e2d-75454255793a/sv-benchmarks/c/eca-rers2012/Problem02_label52_true-unreach-call_false-termination.c [2018-10-26 23:22:27,274 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3726f8c-3d52-4d47-9e2d-75454255793a/bin-2019/ukojak/data/68bf715e0/d822fdd07bdf4313afcfeacd00ce6347/FLAGc773be1c0 [2018-10-26 23:22:27,298 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a3726f8c-3d52-4d47-9e2d-75454255793a/bin-2019/ukojak/data/68bf715e0/d822fdd07bdf4313afcfeacd00ce6347 [2018-10-26 23:22:27,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:22:27,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:22:27,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:22:27,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:22:27,314 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:22:27,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:22:27" (1/1) ... [2018-10-26 23:22:27,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@204f23ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:27, skipping insertion in model container [2018-10-26 23:22:27,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:22:27" (1/1) ... [2018-10-26 23:22:27,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:22:27,385 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:22:27,763 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:22:27,778 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:22:27,896 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:22:27,913 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:22:27,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:27 WrapperNode [2018-10-26 23:22:27,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:22:27,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:22:27,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:22:27,916 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:22:27,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:27" (1/1) ... [2018-10-26 23:22:27,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:27" (1/1) ... [2018-10-26 23:22:28,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:22:28,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:22:28,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:22:28,002 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:22:28,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:27" (1/1) ... [2018-10-26 23:22:28,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:27" (1/1) ... [2018-10-26 23:22:28,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:27" (1/1) ... [2018-10-26 23:22:28,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:27" (1/1) ... [2018-10-26 23:22:28,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:27" (1/1) ... [2018-10-26 23:22:28,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:27" (1/1) ... [2018-10-26 23:22:28,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:27" (1/1) ... [2018-10-26 23:22:28,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:22:28,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:22:28,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:22:28,194 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:22:28,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:22:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3726f8c-3d52-4d47-9e2d-75454255793a/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:22:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 23:22:28,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:22:28,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:22:33,449 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:22:33,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:22:33 BoogieIcfgContainer [2018-10-26 23:22:33,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:22:33,451 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:22:33,451 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:22:33,461 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:22:33,461 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:22:33" (1/1) ... [2018-10-26 23:22:33,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:22:33,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:33,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-10-26 23:22:33,521 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-10-26 23:22:33,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 23:22:33,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:34,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:34,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:34,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 165 states and 253 transitions. [2018-10-26 23:22:34,839 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 253 transitions. [2018-10-26 23:22:34,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-26 23:22:34,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:35,086 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:36,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:36,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 244 states and 344 transitions. [2018-10-26 23:22:36,137 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 344 transitions. [2018-10-26 23:22:36,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-26 23:22:36,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:36,455 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:37,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:37,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 249 states and 351 transitions. [2018-10-26 23:22:37,180 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 351 transitions. [2018-10-26 23:22:37,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-26 23:22:37,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:37,403 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:37,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:37,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 259 states and 363 transitions. [2018-10-26 23:22:37,837 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 363 transitions. [2018-10-26 23:22:37,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-26 23:22:37,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:37,962 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:38,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:38,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 266 states and 374 transitions. [2018-10-26 23:22:38,169 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 374 transitions. [2018-10-26 23:22:38,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-26 23:22:38,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:38,201 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 23:22:38,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:38,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 274 states and 387 transitions. [2018-10-26 23:22:38,886 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 387 transitions. [2018-10-26 23:22:38,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 23:22:38,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:38,919 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:39,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:39,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 279 states and 392 transitions. [2018-10-26 23:22:39,041 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 392 transitions. [2018-10-26 23:22:39,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-26 23:22:39,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:39,092 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:39,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:39,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 284 states and 398 transitions. [2018-10-26 23:22:39,193 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 398 transitions. [2018-10-26 23:22:39,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-26 23:22:39,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:39,225 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 23:22:39,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:39,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 289 states and 404 transitions. [2018-10-26 23:22:39,361 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 404 transitions. [2018-10-26 23:22:39,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-26 23:22:39,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:39,405 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 23:22:39,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:39,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 295 states and 410 transitions. [2018-10-26 23:22:39,800 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 410 transitions. [2018-10-26 23:22:39,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-26 23:22:39,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:39,851 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:40,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:40,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 310 states and 432 transitions. [2018-10-26 23:22:40,249 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 432 transitions. [2018-10-26 23:22:40,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 23:22:40,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:40,282 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:40,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:40,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 317 states and 439 transitions. [2018-10-26 23:22:40,709 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 439 transitions. [2018-10-26 23:22:40,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 23:22:40,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:40,952 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:41,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:41,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 327 states and 453 transitions. [2018-10-26 23:22:41,657 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 453 transitions. [2018-10-26 23:22:41,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 23:22:41,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:42,099 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 23:22:42,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:42,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 346 states and 475 transitions. [2018-10-26 23:22:42,804 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 475 transitions. [2018-10-26 23:22:42,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 23:22:42,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:42,833 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:42,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:42,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 352 states and 481 transitions. [2018-10-26 23:22:42,874 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 481 transitions. [2018-10-26 23:22:42,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 23:22:42,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:43,023 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:43,908 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-26 23:22:44,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:44,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 372 states and 504 transitions. [2018-10-26 23:22:44,394 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 504 transitions. [2018-10-26 23:22:44,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 23:22:44,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:44,899 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:46,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:46,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 377 states and 515 transitions. [2018-10-26 23:22:46,421 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 515 transitions. [2018-10-26 23:22:46,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-26 23:22:46,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:46,456 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 23:22:46,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:46,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 384 states and 524 transitions. [2018-10-26 23:22:46,857 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 524 transitions. [2018-10-26 23:22:46,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-26 23:22:46,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:47,010 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:47,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:47,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 417 states and 563 transitions. [2018-10-26 23:22:47,561 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 563 transitions. [2018-10-26 23:22:47,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-26 23:22:47,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:47,597 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:48,039 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 23:22:48,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:48,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 432 states and 581 transitions. [2018-10-26 23:22:48,603 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 581 transitions. [2018-10-26 23:22:48,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 23:22:48,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:48,726 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:22:49,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:49,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 439 states and 593 transitions. [2018-10-26 23:22:49,018 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 593 transitions. [2018-10-26 23:22:49,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 23:22:49,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:49,228 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:49,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:49,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 446 states and 600 transitions. [2018-10-26 23:22:49,546 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 600 transitions. [2018-10-26 23:22:49,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 23:22:49,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:49,584 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 23:22:50,204 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-26 23:22:51,535 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 23:22:51,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:51,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 449 states and 603 transitions. [2018-10-26 23:22:51,721 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 603 transitions. [2018-10-26 23:22:51,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 23:22:51,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:51,749 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:51,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:51,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 454 states and 609 transitions. [2018-10-26 23:22:51,923 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 609 transitions. [2018-10-26 23:22:51,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 23:22:51,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:51,950 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 23:22:52,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:52,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 473 states and 632 transitions. [2018-10-26 23:22:52,328 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 632 transitions. [2018-10-26 23:22:52,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-26 23:22:52,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:52,356 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 23:22:52,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:52,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 479 states and 639 transitions. [2018-10-26 23:22:52,452 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 639 transitions. [2018-10-26 23:22:52,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-26 23:22:52,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:52,487 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:52,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:52,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 486 states and 646 transitions. [2018-10-26 23:22:52,906 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 646 transitions. [2018-10-26 23:22:52,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 23:22:52,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:52,971 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 23:22:53,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:53,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 496 states and 657 transitions. [2018-10-26 23:22:53,208 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 657 transitions. [2018-10-26 23:22:53,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 23:22:53,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:53,870 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:22:54,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:54,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 510 states and 682 transitions. [2018-10-26 23:22:54,283 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 682 transitions. [2018-10-26 23:22:54,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 23:22:54,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:54,330 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 23:22:54,800 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 23:22:54,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:54,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 522 states and 706 transitions. [2018-10-26 23:22:54,878 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 706 transitions. [2018-10-26 23:22:54,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-26 23:22:54,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:54,930 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:22:55,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:55,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 530 states and 719 transitions. [2018-10-26 23:22:55,235 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 719 transitions. [2018-10-26 23:22:55,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-26 23:22:55,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:55,271 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 23:22:55,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:55,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 537 states and 727 transitions. [2018-10-26 23:22:55,702 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 727 transitions. [2018-10-26 23:22:55,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 23:22:55,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:55,806 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:56,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:56,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 541 states and 734 transitions. [2018-10-26 23:22:56,120 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 734 transitions. [2018-10-26 23:22:56,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-26 23:22:56,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:56,154 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:56,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:56,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 559 states and 755 transitions. [2018-10-26 23:22:56,389 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 755 transitions. [2018-10-26 23:22:56,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-26 23:22:56,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:56,420 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 23:22:56,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:56,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 566 states and 764 transitions. [2018-10-26 23:22:56,566 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 764 transitions. [2018-10-26 23:22:56,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-26 23:22:56,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:56,704 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 23:22:56,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:56,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 568 states and 766 transitions. [2018-10-26 23:22:56,877 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 766 transitions. [2018-10-26 23:22:56,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 23:22:56,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:56,909 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 23:22:57,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:57,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 587 states and 788 transitions. [2018-10-26 23:22:57,094 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 788 transitions. [2018-10-26 23:22:57,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 23:22:57,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:57,210 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:22:57,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:57,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 598 states and 799 transitions. [2018-10-26 23:22:57,435 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 799 transitions. [2018-10-26 23:22:57,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 23:22:57,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:57,471 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:22:57,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:22:57,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 613 states and 814 transitions. [2018-10-26 23:22:57,728 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 814 transitions. [2018-10-26 23:22:57,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 23:22:57,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:22:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:22:58,387 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:23:01,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:01,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 736 states and 945 transitions. [2018-10-26 23:23:01,047 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 945 transitions. [2018-10-26 23:23:01,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-26 23:23:01,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:01,077 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 23:23:01,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:01,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 739 states and 948 transitions. [2018-10-26 23:23:01,210 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 948 transitions. [2018-10-26 23:23:01,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 23:23:01,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:01,242 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 23:23:01,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:01,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 740 states and 949 transitions. [2018-10-26 23:23:01,324 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 949 transitions. [2018-10-26 23:23:01,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 23:23:01,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:01,356 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:23:01,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:01,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 755 states and 963 transitions. [2018-10-26 23:23:01,615 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 963 transitions. [2018-10-26 23:23:01,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 23:23:01,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:01,645 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:23:02,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:02,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 760 states and 969 transitions. [2018-10-26 23:23:02,142 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 969 transitions. [2018-10-26 23:23:02,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 23:23:02,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:02,516 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:23:03,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:03,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 794 states and 1007 transitions. [2018-10-26 23:23:03,745 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1007 transitions. [2018-10-26 23:23:03,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 23:23:03,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 23:23:04,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:04,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 801 states and 1018 transitions. [2018-10-26 23:23:04,240 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1018 transitions. [2018-10-26 23:23:04,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 23:23:04,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:04,327 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 23:23:04,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:04,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 804 states and 1024 transitions. [2018-10-26 23:23:04,642 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1024 transitions. [2018-10-26 23:23:04,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 23:23:04,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:04,732 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 23:23:04,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:04,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 805 states and 1024 transitions. [2018-10-26 23:23:04,948 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1024 transitions. [2018-10-26 23:23:04,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 23:23:04,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:05,056 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 23:23:05,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:05,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 808 states and 1028 transitions. [2018-10-26 23:23:05,290 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1028 transitions. [2018-10-26 23:23:05,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 23:23:05,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:05,907 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:23:06,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:06,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 820 states and 1039 transitions. [2018-10-26 23:23:06,308 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1039 transitions. [2018-10-26 23:23:06,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 23:23:06,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:06,386 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:23:06,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:06,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 835 states and 1057 transitions. [2018-10-26 23:23:06,762 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1057 transitions. [2018-10-26 23:23:06,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 23:23:06,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:06,798 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 23:23:07,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:07,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 842 states and 1066 transitions. [2018-10-26 23:23:07,361 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1066 transitions. [2018-10-26 23:23:07,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 23:23:07,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:07,391 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 23:23:08,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:08,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 850 states and 1074 transitions. [2018-10-26 23:23:08,107 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1074 transitions. [2018-10-26 23:23:08,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 23:23:08,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:08,140 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 23:23:08,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:08,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 853 states and 1077 transitions. [2018-10-26 23:23:08,373 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1077 transitions. [2018-10-26 23:23:08,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 23:23:08,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:08,411 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 23:23:08,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:08,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 856 states and 1079 transitions. [2018-10-26 23:23:08,642 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1079 transitions. [2018-10-26 23:23:08,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-26 23:23:08,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:08,670 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 23:23:09,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:09,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 863 states and 1088 transitions. [2018-10-26 23:23:09,153 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1088 transitions. [2018-10-26 23:23:09,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-26 23:23:09,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:09,219 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 23:23:09,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:09,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 866 states and 1090 transitions. [2018-10-26 23:23:09,565 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1090 transitions. [2018-10-26 23:23:09,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-26 23:23:09,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:09,591 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-26 23:23:09,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:09,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 869 states and 1092 transitions. [2018-10-26 23:23:09,837 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1092 transitions. [2018-10-26 23:23:09,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-26 23:23:09,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:09,893 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:23:10,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:10,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 896 states and 1122 transitions. [2018-10-26 23:23:10,442 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1122 transitions. [2018-10-26 23:23:10,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-26 23:23:10,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:10,497 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 23:23:11,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:11,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 929 states and 1155 transitions. [2018-10-26 23:23:11,149 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1155 transitions. [2018-10-26 23:23:11,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 23:23:11,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:11,257 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 23:23:11,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:11,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 938 states and 1167 transitions. [2018-10-26 23:23:11,628 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1167 transitions. [2018-10-26 23:23:11,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 23:23:11,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:23:11,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:11,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 965 states and 1197 transitions. [2018-10-26 23:23:11,860 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1197 transitions. [2018-10-26 23:23:11,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 23:23:11,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:11,911 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-10-26 23:23:12,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:12,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 966 states and 1197 transitions. [2018-10-26 23:23:12,029 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1197 transitions. [2018-10-26 23:23:12,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-26 23:23:12,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:12,731 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:23:16,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:16,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1033 states and 1275 transitions. [2018-10-26 23:23:16,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1275 transitions. [2018-10-26 23:23:16,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-26 23:23:16,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:16,478 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:23:17,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:17,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1069 states and 1315 transitions. [2018-10-26 23:23:17,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1315 transitions. [2018-10-26 23:23:17,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-26 23:23:17,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:18,737 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:23:19,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:19,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1074 states and 1318 transitions. [2018-10-26 23:23:19,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1318 transitions. [2018-10-26 23:23:19,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-26 23:23:19,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:19,511 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:23:20,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:20,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1086 states and 1331 transitions. [2018-10-26 23:23:20,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1331 transitions. [2018-10-26 23:23:20,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-26 23:23:20,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:20,476 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 23:23:20,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:20,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1088 states and 1333 transitions. [2018-10-26 23:23:20,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1333 transitions. [2018-10-26 23:23:20,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 23:23:20,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:20,677 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:23:20,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:20,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 1090 states and 1335 transitions. [2018-10-26 23:23:20,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1335 transitions. [2018-10-26 23:23:20,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 23:23:20,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:20,809 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:23:20,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:20,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1092 states and 1336 transitions. [2018-10-26 23:23:20,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1336 transitions. [2018-10-26 23:23:20,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-26 23:23:20,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:21,074 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 23:23:21,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:21,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1101 states and 1346 transitions. [2018-10-26 23:23:21,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1346 transitions. [2018-10-26 23:23:21,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-26 23:23:21,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:21,765 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:23:23,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:23,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1160 states and 1409 transitions. [2018-10-26 23:23:23,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1409 transitions. [2018-10-26 23:23:23,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 23:23:23,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:23,713 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 86 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 23:23:27,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:27,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1219 states and 1476 transitions. [2018-10-26 23:23:27,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1476 transitions. [2018-10-26 23:23:27,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 23:23:27,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:27,459 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:23:28,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:28,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1253 states and 1522 transitions. [2018-10-26 23:23:28,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1522 transitions. [2018-10-26 23:23:28,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 23:23:28,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:28,380 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:23:28,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:28,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1254 states and 1522 transitions. [2018-10-26 23:23:28,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1522 transitions. [2018-10-26 23:23:28,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 23:23:28,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:28,433 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 23:23:28,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:28,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1256 states and 1525 transitions. [2018-10-26 23:23:28,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1525 transitions. [2018-10-26 23:23:28,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-26 23:23:28,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:28,633 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:23:28,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:28,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1260 states and 1536 transitions. [2018-10-26 23:23:28,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1536 transitions. [2018-10-26 23:23:28,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 23:23:28,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:28,845 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:23:29,012 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 11 [2018-10-26 23:23:30,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:30,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1283 states and 1561 transitions. [2018-10-26 23:23:30,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1561 transitions. [2018-10-26 23:23:30,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 23:23:30,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:30,380 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:23:30,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:30,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1290 states and 1572 transitions. [2018-10-26 23:23:30,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1572 transitions. [2018-10-26 23:23:30,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 23:23:30,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:31,025 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 23:23:32,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:32,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1327 states and 1619 transitions. [2018-10-26 23:23:32,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1619 transitions. [2018-10-26 23:23:32,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 23:23:32,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:32,761 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 23:23:32,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:32,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1328 states and 1619 transitions. [2018-10-26 23:23:32,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1619 transitions. [2018-10-26 23:23:32,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 23:23:32,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 23:23:33,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:33,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1343 states and 1633 transitions. [2018-10-26 23:23:33,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1633 transitions. [2018-10-26 23:23:33,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-26 23:23:33,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:33,330 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 23:23:34,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:34,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1368 states and 1663 transitions. [2018-10-26 23:23:34,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1663 transitions. [2018-10-26 23:23:34,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-26 23:23:34,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:35,040 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 23:23:35,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:35,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1371 states and 1665 transitions. [2018-10-26 23:23:35,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1665 transitions. [2018-10-26 23:23:35,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-26 23:23:35,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:35,201 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:23:35,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:35,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1386 states and 1682 transitions. [2018-10-26 23:23:35,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1682 transitions. [2018-10-26 23:23:35,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-26 23:23:35,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:35,805 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:23:36,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:36,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1395 states and 1692 transitions. [2018-10-26 23:23:36,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1692 transitions. [2018-10-26 23:23:36,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 23:23:36,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:36,990 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 23:23:40,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:40,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1452 states and 1749 transitions. [2018-10-26 23:23:40,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1749 transitions. [2018-10-26 23:23:40,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-26 23:23:40,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:40,057 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-10-26 23:23:40,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:40,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1454 states and 1751 transitions. [2018-10-26 23:23:40,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 1751 transitions. [2018-10-26 23:23:40,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 23:23:40,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:41,258 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:23:43,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:43,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1517 states and 1815 transitions. [2018-10-26 23:23:43,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1815 transitions. [2018-10-26 23:23:43,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 23:23:43,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:43,933 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:23:45,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:45,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1530 states and 1827 transitions. [2018-10-26 23:23:45,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 1827 transitions. [2018-10-26 23:23:45,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-10-26 23:23:45,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:45,578 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:23:45,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:45,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1540 states and 1836 transitions. [2018-10-26 23:23:45,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1836 transitions. [2018-10-26 23:23:45,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-26 23:23:45,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 23:23:46,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:46,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1568 states and 1866 transitions. [2018-10-26 23:23:46,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 1866 transitions. [2018-10-26 23:23:46,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 23:23:46,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:46,272 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 23:23:46,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:46,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 1595 states and 1893 transitions. [2018-10-26 23:23:46,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 1893 transitions. [2018-10-26 23:23:46,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 23:23:46,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:46,690 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 23:23:47,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:47,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 1617 states and 1916 transitions. [2018-10-26 23:23:47,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 1916 transitions. [2018-10-26 23:23:47,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 23:23:47,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:47,464 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 23:23:47,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:47,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1632 states and 1930 transitions. [2018-10-26 23:23:47,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 1930 transitions. [2018-10-26 23:23:47,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 23:23:47,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:47,947 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:23:49,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:49,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1663 states and 1969 transitions. [2018-10-26 23:23:49,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 1969 transitions. [2018-10-26 23:23:49,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 23:23:49,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:49,919 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:23:50,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:50,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1670 states and 1976 transitions. [2018-10-26 23:23:50,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 1976 transitions. [2018-10-26 23:23:50,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 23:23:50,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:50,182 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:23:51,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:51,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1996 states to 1687 states and 1996 transitions. [2018-10-26 23:23:51,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 1996 transitions. [2018-10-26 23:23:51,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 23:23:51,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:51,335 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:23:52,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:52,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 1693 states and 2004 transitions. [2018-10-26 23:23:52,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2004 transitions. [2018-10-26 23:23:52,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 23:23:52,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:52,180 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:23:52,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:52,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 1704 states and 2017 transitions. [2018-10-26 23:23:52,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2017 transitions. [2018-10-26 23:23:52,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 23:23:52,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:52,866 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:23:53,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:53,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 1715 states and 2030 transitions. [2018-10-26 23:23:53,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2030 transitions. [2018-10-26 23:23:53,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 23:23:53,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:53,693 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:23:54,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:54,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 1724 states and 2039 transitions. [2018-10-26 23:23:54,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2039 transitions. [2018-10-26 23:23:54,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 23:23:54,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:54,252 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:23:54,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:54,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 1735 states and 2049 transitions. [2018-10-26 23:23:54,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2049 transitions. [2018-10-26 23:23:54,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 23:23:54,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:54,788 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:23:55,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:55,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 1741 states and 2054 transitions. [2018-10-26 23:23:55,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2054 transitions. [2018-10-26 23:23:55,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 23:23:55,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:55,099 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 23:23:56,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:56,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2073 states to 1758 states and 2073 transitions. [2018-10-26 23:23:56,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 2073 transitions. [2018-10-26 23:23:56,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 23:23:56,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:56,323 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 23:23:56,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:56,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 1769 states and 2084 transitions. [2018-10-26 23:23:56,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2084 transitions. [2018-10-26 23:23:56,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 23:23:56,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:56,946 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 23:23:56,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:56,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 1770 states and 2087 transitions. [2018-10-26 23:23:56,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2087 transitions. [2018-10-26 23:23:56,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 23:23:56,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 23:23:57,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:57,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 1784 states and 2100 transitions. [2018-10-26 23:23:57,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2100 transitions. [2018-10-26 23:23:57,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-26 23:23:57,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:57,440 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-10-26 23:23:57,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:57,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 1785 states and 2100 transitions. [2018-10-26 23:23:57,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 2100 transitions. [2018-10-26 23:23:57,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 23:23:57,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:57,834 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-26 23:23:58,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:58,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2106 states to 1791 states and 2106 transitions. [2018-10-26 23:23:58,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2106 transitions. [2018-10-26 23:23:58,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-26 23:23:58,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:58,418 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 23:23:58,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:58,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2111 states to 1797 states and 2111 transitions. [2018-10-26 23:23:58,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2111 transitions. [2018-10-26 23:23:58,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-26 23:23:58,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:58,648 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 23:23:58,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:58,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 1803 states and 2116 transitions. [2018-10-26 23:23:58,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2116 transitions. [2018-10-26 23:23:58,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 23:23:58,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:58,985 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-26 23:23:59,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:23:59,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 1819 states and 2134 transitions. [2018-10-26 23:23:59,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2134 transitions. [2018-10-26 23:23:59,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-26 23:23:59,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:23:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:23:59,217 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 23:24:00,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:00,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 1832 states and 2150 transitions. [2018-10-26 23:24:00,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2150 transitions. [2018-10-26 23:24:00,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-26 23:24:00,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:00,221 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 119 proven. 1 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-26 23:24:00,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:00,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1842 states and 2159 transitions. [2018-10-26 23:24:00,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2159 transitions. [2018-10-26 23:24:00,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-26 23:24:00,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:00,489 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 23:24:02,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:02,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1899 states and 2220 transitions. [2018-10-26 23:24:02,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 2220 transitions. [2018-10-26 23:24:02,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-26 23:24:02,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:02,116 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 23:24:03,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:03,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2278 states to 1949 states and 2278 transitions. [2018-10-26 23:24:03,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1949 states and 2278 transitions. [2018-10-26 23:24:03,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-26 23:24:03,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:03,516 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 23:24:03,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:03,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 1963 states and 2293 transitions. [2018-10-26 23:24:03,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1963 states and 2293 transitions. [2018-10-26 23:24:03,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-26 23:24:03,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:03,977 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 23:24:04,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:04,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 1997 states and 2327 transitions. [2018-10-26 23:24:04,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 2327 transitions. [2018-10-26 23:24:04,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-26 23:24:04,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:04,908 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 23:24:04,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:04,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 2004 states and 2334 transitions. [2018-10-26 23:24:04,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2334 transitions. [2018-10-26 23:24:04,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-26 23:24:04,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:05,001 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 23:24:05,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:05,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 2018 states and 2347 transitions. [2018-10-26 23:24:05,452 INFO L276 IsEmpty]: Start isEmpty. Operand 2018 states and 2347 transitions. [2018-10-26 23:24:05,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-10-26 23:24:05,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:05,503 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-26 23:24:06,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:06,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2033 states and 2362 transitions. [2018-10-26 23:24:06,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2033 states and 2362 transitions. [2018-10-26 23:24:06,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-26 23:24:06,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:06,309 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 23:24:06,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:06,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 2035 states and 2363 transitions. [2018-10-26 23:24:06,483 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2363 transitions. [2018-10-26 23:24:06,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-26 23:24:06,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:06,524 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 23:24:06,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:06,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 2037 states and 2364 transitions. [2018-10-26 23:24:06,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2364 transitions. [2018-10-26 23:24:06,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-26 23:24:06,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:06,822 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-10-26 23:24:09,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:09,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2446 states to 2117 states and 2446 transitions. [2018-10-26 23:24:09,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 2446 transitions. [2018-10-26 23:24:09,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 23:24:09,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:09,785 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 23:24:12,922 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-10-26 23:24:13,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:13,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2503 states to 2160 states and 2503 transitions. [2018-10-26 23:24:13,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 2503 transitions. [2018-10-26 23:24:13,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 23:24:13,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:13,450 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 23:24:14,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:14,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2177 states and 2534 transitions. [2018-10-26 23:24:14,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 2534 transitions. [2018-10-26 23:24:14,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 23:24:14,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:15,226 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 23:24:16,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:16,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2552 states to 2195 states and 2552 transitions. [2018-10-26 23:24:16,188 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2552 transitions. [2018-10-26 23:24:16,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 23:24:16,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:16,386 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 23:24:17,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:17,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2205 states and 2564 transitions. [2018-10-26 23:24:17,316 INFO L276 IsEmpty]: Start isEmpty. Operand 2205 states and 2564 transitions. [2018-10-26 23:24:17,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 23:24:17,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:17,405 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 23:24:18,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:18,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 2220 states and 2579 transitions. [2018-10-26 23:24:18,277 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 2579 transitions. [2018-10-26 23:24:18,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 23:24:18,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:18,732 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 23:24:19,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:19,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 2222 states and 2582 transitions. [2018-10-26 23:24:19,207 INFO L276 IsEmpty]: Start isEmpty. Operand 2222 states and 2582 transitions. [2018-10-26 23:24:19,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 23:24:19,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:19,292 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 23:24:19,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:19,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 2224 states and 2584 transitions. [2018-10-26 23:24:19,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2224 states and 2584 transitions. [2018-10-26 23:24:19,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 23:24:19,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:19,853 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 23:24:20,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:20,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2234 states and 2594 transitions. [2018-10-26 23:24:20,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 2594 transitions. [2018-10-26 23:24:20,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 23:24:20,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:20,402 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 23:24:20,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:20,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2602 states to 2242 states and 2602 transitions. [2018-10-26 23:24:20,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 2602 transitions. [2018-10-26 23:24:20,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-10-26 23:24:20,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:22,265 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 249 proven. 28 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-10-26 23:24:25,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:25,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2260 states and 2629 transitions. [2018-10-26 23:24:25,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2260 states and 2629 transitions. [2018-10-26 23:24:25,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-10-26 23:24:25,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:25,429 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 249 proven. 28 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-10-26 23:24:26,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:26,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 2263 states and 2632 transitions. [2018-10-26 23:24:26,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 2632 transitions. [2018-10-26 23:24:26,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-10-26 23:24:26,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:26,324 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 249 proven. 28 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-10-26 23:24:27,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2634 states to 2266 states and 2634 transitions. [2018-10-26 23:24:27,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 2634 transitions. [2018-10-26 23:24:27,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-10-26 23:24:27,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:28,006 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 208 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 23:24:30,595 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-10-26 23:24:31,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:31,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 2303 states and 2677 transitions. [2018-10-26 23:24:31,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 2677 transitions. [2018-10-26 23:24:31,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-10-26 23:24:31,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:31,873 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 208 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 23:24:34,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:34,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2699 states to 2319 states and 2699 transitions. [2018-10-26 23:24:34,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 2699 transitions. [2018-10-26 23:24:34,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-10-26 23:24:34,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:34,523 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 208 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 23:24:34,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:34,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2700 states to 2321 states and 2700 transitions. [2018-10-26 23:24:34,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 2700 transitions. [2018-10-26 23:24:34,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-10-26 23:24:34,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:35,091 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 208 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 23:24:35,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:35,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2703 states to 2322 states and 2703 transitions. [2018-10-26 23:24:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 2703 transitions. [2018-10-26 23:24:35,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-10-26 23:24:35,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:35,279 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 208 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 23:24:37,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:37,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 2339 states and 2720 transitions. [2018-10-26 23:24:37,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2339 states and 2720 transitions. [2018-10-26 23:24:37,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-10-26 23:24:37,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:37,786 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 208 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 23:24:38,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:38,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2354 states and 2734 transitions. [2018-10-26 23:24:38,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 2734 transitions. [2018-10-26 23:24:38,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-10-26 23:24:38,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:39,556 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 208 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 23:24:40,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:40,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2375 states and 2756 transitions. [2018-10-26 23:24:40,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2375 states and 2756 transitions. [2018-10-26 23:24:40,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-10-26 23:24:40,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:40,913 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 208 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 23:24:41,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:41,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2381 states and 2762 transitions. [2018-10-26 23:24:41,378 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 2762 transitions. [2018-10-26 23:24:41,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-26 23:24:41,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:42,908 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-10-26 23:24:46,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:46,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2403 states and 2786 transitions. [2018-10-26 23:24:46,967 INFO L276 IsEmpty]: Start isEmpty. Operand 2403 states and 2786 transitions. [2018-10-26 23:24:46,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-26 23:24:46,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:47,101 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-10-26 23:24:48,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:48,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 2451 states and 2834 transitions. [2018-10-26 23:24:48,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2451 states and 2834 transitions. [2018-10-26 23:24:48,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-26 23:24:48,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:48,603 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-10-26 23:24:49,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:49,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 2460 states and 2842 transitions. [2018-10-26 23:24:49,258 INFO L276 IsEmpty]: Start isEmpty. Operand 2460 states and 2842 transitions. [2018-10-26 23:24:49,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-26 23:24:49,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:49,322 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-10-26 23:24:49,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:49,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 2463 states and 2845 transitions. [2018-10-26 23:24:49,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2463 states and 2845 transitions. [2018-10-26 23:24:49,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-26 23:24:49,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:49,680 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 159 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 23:24:54,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:54,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 2500 states and 2903 transitions. [2018-10-26 23:24:54,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 2903 transitions. [2018-10-26 23:24:54,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-26 23:24:54,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:55,058 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 159 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 23:24:57,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:57,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2942 states to 2536 states and 2942 transitions. [2018-10-26 23:24:57,158 INFO L276 IsEmpty]: Start isEmpty. Operand 2536 states and 2942 transitions. [2018-10-26 23:24:57,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-26 23:24:57,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:57,231 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 159 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 23:24:58,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:24:58,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2551 states and 2960 transitions. [2018-10-26 23:24:58,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 2960 transitions. [2018-10-26 23:24:58,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-26 23:24:58,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:24:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:24:58,975 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 159 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 23:25:00,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:00,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 2563 states and 2979 transitions. [2018-10-26 23:25:00,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 2979 transitions. [2018-10-26 23:25:00,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-26 23:25:00,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:00,305 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 159 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 23:25:02,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:02,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 2586 states and 3008 transitions. [2018-10-26 23:25:02,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2586 states and 3008 transitions. [2018-10-26 23:25:02,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-26 23:25:02,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:02,622 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 159 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 23:25:03,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:03,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3026 states to 2600 states and 3026 transitions. [2018-10-26 23:25:03,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 3026 transitions. [2018-10-26 23:25:03,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-26 23:25:03,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:03,841 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 159 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 23:25:04,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:04,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3033 states to 2607 states and 3033 transitions. [2018-10-26 23:25:04,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2607 states and 3033 transitions. [2018-10-26 23:25:04,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-26 23:25:04,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:04,701 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 159 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 23:25:06,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:06,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 2630 states and 3057 transitions. [2018-10-26 23:25:06,839 INFO L276 IsEmpty]: Start isEmpty. Operand 2630 states and 3057 transitions. [2018-10-26 23:25:06,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-26 23:25:06,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:06,934 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 159 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 23:25:07,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:07,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 2645 states and 3072 transitions. [2018-10-26 23:25:07,951 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3072 transitions. [2018-10-26 23:25:07,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-26 23:25:07,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:08,026 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 159 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 23:25:09,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:09,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3081 states to 2651 states and 3081 transitions. [2018-10-26 23:25:09,213 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 3081 transitions. [2018-10-26 23:25:09,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-26 23:25:09,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:09,313 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 159 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 23:25:10,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:10,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 2672 states and 3104 transitions. [2018-10-26 23:25:10,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3104 transitions. [2018-10-26 23:25:10,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-26 23:25:10,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:10,641 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 159 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 23:25:11,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:11,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 2674 states and 3106 transitions. [2018-10-26 23:25:11,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3106 transitions. [2018-10-26 23:25:11,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-26 23:25:11,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:11,623 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 159 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 23:25:13,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:13,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3129 states to 2695 states and 3129 transitions. [2018-10-26 23:25:13,658 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 3129 transitions. [2018-10-26 23:25:13,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-26 23:25:13,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:13,733 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 159 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 23:25:15,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:15,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3147 states to 2711 states and 3147 transitions. [2018-10-26 23:25:15,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2711 states and 3147 transitions. [2018-10-26 23:25:15,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-26 23:25:15,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:15,217 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 159 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 23:25:16,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:16,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3154 states to 2718 states and 3154 transitions. [2018-10-26 23:25:16,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3154 transitions. [2018-10-26 23:25:16,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-26 23:25:16,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:16,605 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 159 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 23:25:17,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:17,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 2728 states and 3164 transitions. [2018-10-26 23:25:17,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2728 states and 3164 transitions. [2018-10-26 23:25:17,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-26 23:25:17,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:17,421 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-26 23:25:20,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:20,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3180 states to 2743 states and 3180 transitions. [2018-10-26 23:25:20,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2743 states and 3180 transitions. [2018-10-26 23:25:20,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-10-26 23:25:20,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:22,152 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-26 23:25:26,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:26,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3234 states to 2795 states and 3234 transitions. [2018-10-26 23:25:26,234 INFO L276 IsEmpty]: Start isEmpty. Operand 2795 states and 3234 transitions. [2018-10-26 23:25:26,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-10-26 23:25:26,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:26,411 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-26 23:25:28,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:28,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3257 states to 2818 states and 3257 transitions. [2018-10-26 23:25:28,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 3257 transitions. [2018-10-26 23:25:28,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 23:25:28,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:28,436 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-26 23:25:29,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:29,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 2821 states and 3262 transitions. [2018-10-26 23:25:29,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 3262 transitions. [2018-10-26 23:25:29,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 23:25:29,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:29,481 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-26 23:25:32,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:32,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 2861 states and 3314 transitions. [2018-10-26 23:25:32,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2861 states and 3314 transitions. [2018-10-26 23:25:32,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 23:25:32,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:32,189 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-26 23:25:32,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:32,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3316 states to 2862 states and 3316 transitions. [2018-10-26 23:25:32,277 INFO L276 IsEmpty]: Start isEmpty. Operand 2862 states and 3316 transitions. [2018-10-26 23:25:32,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 23:25:32,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:32,366 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-26 23:25:33,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:33,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3326 states to 2873 states and 3326 transitions. [2018-10-26 23:25:33,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2873 states and 3326 transitions. [2018-10-26 23:25:33,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 23:25:33,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:33,115 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-26 23:25:33,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:33,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3336 states to 2884 states and 3336 transitions. [2018-10-26 23:25:33,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2884 states and 3336 transitions. [2018-10-26 23:25:33,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 23:25:33,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:33,997 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-26 23:25:36,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:36,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3362 states to 2908 states and 3362 transitions. [2018-10-26 23:25:36,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 3362 transitions. [2018-10-26 23:25:36,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 23:25:36,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:36,454 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-26 23:25:38,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:38,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3378 states to 2923 states and 3378 transitions. [2018-10-26 23:25:38,393 INFO L276 IsEmpty]: Start isEmpty. Operand 2923 states and 3378 transitions. [2018-10-26 23:25:38,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 23:25:38,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:38,518 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-26 23:25:39,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:39,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 2925 states and 3380 transitions. [2018-10-26 23:25:39,158 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 3380 transitions. [2018-10-26 23:25:39,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 23:25:39,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:39,284 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-26 23:25:40,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:40,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 2939 states and 3393 transitions. [2018-10-26 23:25:40,013 INFO L276 IsEmpty]: Start isEmpty. Operand 2939 states and 3393 transitions. [2018-10-26 23:25:40,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 23:25:40,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:40,115 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-26 23:25:40,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:40,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 2966 states and 3421 transitions. [2018-10-26 23:25:40,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2966 states and 3421 transitions. [2018-10-26 23:25:40,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 23:25:40,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:40,647 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-26 23:25:41,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:41,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3423 states to 2968 states and 3423 transitions. [2018-10-26 23:25:41,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2968 states and 3423 transitions. [2018-10-26 23:25:41,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 23:25:41,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:41,454 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-26 23:25:42,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:42,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3440 states to 2983 states and 3440 transitions. [2018-10-26 23:25:42,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 3440 transitions. [2018-10-26 23:25:42,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 23:25:42,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:43,087 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-26 23:25:44,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:44,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3446 states to 2987 states and 3446 transitions. [2018-10-26 23:25:44,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2987 states and 3446 transitions. [2018-10-26 23:25:44,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 23:25:44,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:44,400 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-26 23:25:45,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:45,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3448 states to 2989 states and 3448 transitions. [2018-10-26 23:25:45,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2989 states and 3448 transitions. [2018-10-26 23:25:45,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 23:25:45,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:45,203 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-26 23:25:45,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:45,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3457 states to 2998 states and 3457 transitions. [2018-10-26 23:25:45,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2998 states and 3457 transitions. [2018-10-26 23:25:45,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 23:25:45,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:45,911 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 199 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-26 23:25:46,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:46,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3467 states to 3009 states and 3467 transitions. [2018-10-26 23:25:46,674 INFO L276 IsEmpty]: Start isEmpty. Operand 3009 states and 3467 transitions. [2018-10-26 23:25:46,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-10-26 23:25:46,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:46,770 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 338 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 23:25:47,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3474 states to 3015 states and 3474 transitions. [2018-10-26 23:25:47,219 INFO L276 IsEmpty]: Start isEmpty. Operand 3015 states and 3474 transitions. [2018-10-26 23:25:47,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-10-26 23:25:47,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:47,316 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 338 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 23:25:50,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:50,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3500 states to 3042 states and 3500 transitions. [2018-10-26 23:25:50,050 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 3500 transitions. [2018-10-26 23:25:50,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-10-26 23:25:50,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:50,145 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 338 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 23:25:51,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:51,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3507 states to 3049 states and 3507 transitions. [2018-10-26 23:25:51,900 INFO L276 IsEmpty]: Start isEmpty. Operand 3049 states and 3507 transitions. [2018-10-26 23:25:51,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-10-26 23:25:51,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:51,997 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 338 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 23:25:52,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:52,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3512 states to 3053 states and 3512 transitions. [2018-10-26 23:25:52,775 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states and 3512 transitions. [2018-10-26 23:25:52,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-10-26 23:25:52,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:52,872 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 338 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 23:25:53,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:53,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3525 states to 3067 states and 3525 transitions. [2018-10-26 23:25:53,592 INFO L276 IsEmpty]: Start isEmpty. Operand 3067 states and 3525 transitions. [2018-10-26 23:25:53,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-10-26 23:25:53,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:53,676 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 238 proven. 4 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-10-26 23:25:54,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:54,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 3091 states and 3549 transitions. [2018-10-26 23:25:54,067 INFO L276 IsEmpty]: Start isEmpty. Operand 3091 states and 3549 transitions. [2018-10-26 23:25:54,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-10-26 23:25:54,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:54,188 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2018-10-26 23:25:54,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:25:54,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 3092 states and 3549 transitions. [2018-10-26 23:25:54,264 INFO L276 IsEmpty]: Start isEmpty. Operand 3092 states and 3549 transitions. [2018-10-26 23:25:54,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-10-26 23:25:54,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:25:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:25:54,747 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 396 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 23:26:03,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:03,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3629 states to 3144 states and 3629 transitions. [2018-10-26 23:26:03,374 INFO L276 IsEmpty]: Start isEmpty. Operand 3144 states and 3629 transitions. [2018-10-26 23:26:03,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-10-26 23:26:03,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:03,539 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 396 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 23:26:07,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:07,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3677 states to 3179 states and 3677 transitions. [2018-10-26 23:26:07,326 INFO L276 IsEmpty]: Start isEmpty. Operand 3179 states and 3677 transitions. [2018-10-26 23:26:07,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-10-26 23:26:07,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:07,504 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 396 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 23:26:09,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:09,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3714 states to 3214 states and 3714 transitions. [2018-10-26 23:26:09,850 INFO L276 IsEmpty]: Start isEmpty. Operand 3214 states and 3714 transitions. [2018-10-26 23:26:09,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-10-26 23:26:09,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:10,055 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 396 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 23:26:14,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:14,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3754 states to 3244 states and 3754 transitions. [2018-10-26 23:26:14,179 INFO L276 IsEmpty]: Start isEmpty. Operand 3244 states and 3754 transitions. [2018-10-26 23:26:14,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-10-26 23:26:14,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:14,342 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 396 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 23:26:15,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3779 states to 3265 states and 3779 transitions. [2018-10-26 23:26:15,779 INFO L276 IsEmpty]: Start isEmpty. Operand 3265 states and 3779 transitions. [2018-10-26 23:26:15,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-10-26 23:26:15,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:15,947 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 396 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 23:26:17,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:17,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3281 states and 3796 transitions. [2018-10-26 23:26:17,581 INFO L276 IsEmpty]: Start isEmpty. Operand 3281 states and 3796 transitions. [2018-10-26 23:26:17,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-10-26 23:26:17,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:17,755 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 396 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 23:26:18,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:18,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3816 states to 3298 states and 3816 transitions. [2018-10-26 23:26:18,580 INFO L276 IsEmpty]: Start isEmpty. Operand 3298 states and 3816 transitions. [2018-10-26 23:26:18,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-10-26 23:26:18,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:18,744 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 396 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 23:26:19,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:19,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 3299 states and 3817 transitions. [2018-10-26 23:26:19,551 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 3817 transitions. [2018-10-26 23:26:19,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-10-26 23:26:19,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:19,715 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 396 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 23:26:21,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:21,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 3314 states and 3832 transitions. [2018-10-26 23:26:21,739 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 3832 transitions. [2018-10-26 23:26:21,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-10-26 23:26:21,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:21,906 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 396 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 23:26:22,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:22,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3836 states to 3318 states and 3836 transitions. [2018-10-26 23:26:22,771 INFO L276 IsEmpty]: Start isEmpty. Operand 3318 states and 3836 transitions. [2018-10-26 23:26:22,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-10-26 23:26:22,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:22,933 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 396 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 23:26:23,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:23,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3845 states to 3327 states and 3845 transitions. [2018-10-26 23:26:23,651 INFO L276 IsEmpty]: Start isEmpty. Operand 3327 states and 3845 transitions. [2018-10-26 23:26:23,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-10-26 23:26:23,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:23,823 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 396 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 23:26:24,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:24,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3338 states and 3855 transitions. [2018-10-26 23:26:24,589 INFO L276 IsEmpty]: Start isEmpty. Operand 3338 states and 3855 transitions. [2018-10-26 23:26:24,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-10-26 23:26:24,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:24,759 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 396 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 23:26:25,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:25,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3344 states and 3860 transitions. [2018-10-26 23:26:25,461 INFO L276 IsEmpty]: Start isEmpty. Operand 3344 states and 3860 transitions. [2018-10-26 23:26:25,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-10-26 23:26:25,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:25,643 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 396 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 23:26:26,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:26,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3878 states to 3361 states and 3878 transitions. [2018-10-26 23:26:26,548 INFO L276 IsEmpty]: Start isEmpty. Operand 3361 states and 3878 transitions. [2018-10-26 23:26:26,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-10-26 23:26:26,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:26,712 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 396 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 23:26:27,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:27,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3883 states to 3367 states and 3883 transitions. [2018-10-26 23:26:27,350 INFO L276 IsEmpty]: Start isEmpty. Operand 3367 states and 3883 transitions. [2018-10-26 23:26:27,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-10-26 23:26:27,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:27,528 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 396 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 23:26:28,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:28,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3888 states to 3373 states and 3888 transitions. [2018-10-26 23:26:28,327 INFO L276 IsEmpty]: Start isEmpty. Operand 3373 states and 3888 transitions. [2018-10-26 23:26:28,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-10-26 23:26:28,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:28,498 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 396 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 23:26:30,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:30,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3917 states to 3400 states and 3917 transitions. [2018-10-26 23:26:30,187 INFO L276 IsEmpty]: Start isEmpty. Operand 3400 states and 3917 transitions. [2018-10-26 23:26:30,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-10-26 23:26:30,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:30,358 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 396 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 23:26:32,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:32,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3929 states to 3408 states and 3929 transitions. [2018-10-26 23:26:32,383 INFO L276 IsEmpty]: Start isEmpty. Operand 3408 states and 3929 transitions. [2018-10-26 23:26:32,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-10-26 23:26:32,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:32,517 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 316 proven. 2 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-10-26 23:26:33,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:33,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3955 states to 3435 states and 3955 transitions. [2018-10-26 23:26:33,740 INFO L276 IsEmpty]: Start isEmpty. Operand 3435 states and 3955 transitions. [2018-10-26 23:26:33,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-10-26 23:26:33,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:33,879 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 316 proven. 2 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-10-26 23:26:34,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:34,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3958 states to 3439 states and 3958 transitions. [2018-10-26 23:26:34,534 INFO L276 IsEmpty]: Start isEmpty. Operand 3439 states and 3958 transitions. [2018-10-26 23:26:34,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-10-26 23:26:34,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:34,642 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 239 proven. 2 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2018-10-26 23:26:36,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:36,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3975 states to 3451 states and 3975 transitions. [2018-10-26 23:26:36,884 INFO L276 IsEmpty]: Start isEmpty. Operand 3451 states and 3975 transitions. [2018-10-26 23:26:36,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-10-26 23:26:36,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:36,999 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 239 proven. 2 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2018-10-26 23:26:38,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:38,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4001 states to 3478 states and 4001 transitions. [2018-10-26 23:26:38,502 INFO L276 IsEmpty]: Start isEmpty. Operand 3478 states and 4001 transitions. [2018-10-26 23:26:38,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-10-26 23:26:38,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:38,611 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 239 proven. 2 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2018-10-26 23:26:39,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:39,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4004 states to 3482 states and 4004 transitions. [2018-10-26 23:26:39,836 INFO L276 IsEmpty]: Start isEmpty. Operand 3482 states and 4004 transitions. [2018-10-26 23:26:39,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-10-26 23:26:39,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:39,945 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 239 proven. 2 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2018-10-26 23:26:40,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:40,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4007 states to 3486 states and 4007 transitions. [2018-10-26 23:26:40,831 INFO L276 IsEmpty]: Start isEmpty. Operand 3486 states and 4007 transitions. [2018-10-26 23:26:40,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-10-26 23:26:40,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:40,939 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 239 proven. 2 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2018-10-26 23:26:44,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:44,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4052 states to 3530 states and 4052 transitions. [2018-10-26 23:26:44,357 INFO L276 IsEmpty]: Start isEmpty. Operand 3530 states and 4052 transitions. [2018-10-26 23:26:44,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-10-26 23:26:44,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:44,436 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2018-10-26 23:26:45,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:45,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4064 states to 3542 states and 4064 transitions. [2018-10-26 23:26:45,749 INFO L276 IsEmpty]: Start isEmpty. Operand 3542 states and 4064 transitions. [2018-10-26 23:26:45,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-10-26 23:26:45,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:45,872 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 352 proven. 4 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-10-26 23:26:47,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:47,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4080 states to 3556 states and 4080 transitions. [2018-10-26 23:26:47,310 INFO L276 IsEmpty]: Start isEmpty. Operand 3556 states and 4080 transitions. [2018-10-26 23:26:47,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-10-26 23:26:47,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:47,380 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 465 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-10-26 23:26:47,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:47,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4087 states to 3563 states and 4087 transitions. [2018-10-26 23:26:47,444 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 4087 transitions. [2018-10-26 23:26:47,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-10-26 23:26:47,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:47,529 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2018-10-26 23:26:47,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:47,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4093 states to 3568 states and 4093 transitions. [2018-10-26 23:26:47,603 INFO L276 IsEmpty]: Start isEmpty. Operand 3568 states and 4093 transitions. [2018-10-26 23:26:47,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-10-26 23:26:47,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:47,695 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 465 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-26 23:26:49,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:49,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4105 states to 3575 states and 4105 transitions. [2018-10-26 23:26:49,604 INFO L276 IsEmpty]: Start isEmpty. Operand 3575 states and 4105 transitions. [2018-10-26 23:26:49,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-10-26 23:26:49,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:51,322 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 468 proven. 61 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 23:26:58,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:26:58,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4152 states to 3614 states and 4152 transitions. [2018-10-26 23:26:58,279 INFO L276 IsEmpty]: Start isEmpty. Operand 3614 states and 4152 transitions. [2018-10-26 23:26:58,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-10-26 23:26:58,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:26:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:26:59,056 INFO L134 CoverageAnalysis]: Checked inductivity of 733 backedges. 468 proven. 61 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 23:27:00,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:00,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4171 states to 3632 states and 4171 transitions. [2018-10-26 23:27:00,788 INFO L276 IsEmpty]: Start isEmpty. Operand 3632 states and 4171 transitions. [2018-10-26 23:27:00,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-10-26 23:27:00,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:02,679 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 470 proven. 68 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 23:27:07,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:07,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4208 states to 3660 states and 4208 transitions. [2018-10-26 23:27:07,515 INFO L276 IsEmpty]: Start isEmpty. Operand 3660 states and 4208 transitions. [2018-10-26 23:27:07,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-10-26 23:27:07,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:07,848 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 470 proven. 68 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 23:27:08,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:08,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4224 states to 3675 states and 4224 transitions. [2018-10-26 23:27:08,738 INFO L276 IsEmpty]: Start isEmpty. Operand 3675 states and 4224 transitions. [2018-10-26 23:27:08,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-10-26 23:27:08,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:08,947 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 486 proven. 5 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-10-26 23:27:13,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:13,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 3722 states and 4281 transitions. [2018-10-26 23:27:13,572 INFO L276 IsEmpty]: Start isEmpty. Operand 3722 states and 4281 transitions. [2018-10-26 23:27:13,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-10-26 23:27:13,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:13,752 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 486 proven. 5 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-10-26 23:27:16,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:16,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4306 states to 3745 states and 4306 transitions. [2018-10-26 23:27:16,135 INFO L276 IsEmpty]: Start isEmpty. Operand 3745 states and 4306 transitions. [2018-10-26 23:27:16,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-10-26 23:27:16,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:16,691 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 486 proven. 5 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-10-26 23:27:18,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:18,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4338 states to 3776 states and 4338 transitions. [2018-10-26 23:27:18,112 INFO L276 IsEmpty]: Start isEmpty. Operand 3776 states and 4338 transitions. [2018-10-26 23:27:18,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-10-26 23:27:18,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:18,301 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 486 proven. 5 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-10-26 23:27:19,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:19,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4346 states to 3783 states and 4346 transitions. [2018-10-26 23:27:19,340 INFO L276 IsEmpty]: Start isEmpty. Operand 3783 states and 4346 transitions. [2018-10-26 23:27:19,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-10-26 23:27:19,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:19,529 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 486 proven. 5 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-10-26 23:27:20,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:20,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4368 states to 3804 states and 4368 transitions. [2018-10-26 23:27:20,982 INFO L276 IsEmpty]: Start isEmpty. Operand 3804 states and 4368 transitions. [2018-10-26 23:27:20,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-10-26 23:27:20,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:21,164 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 486 proven. 5 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-10-26 23:27:22,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:22,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4374 states to 3810 states and 4374 transitions. [2018-10-26 23:27:22,585 INFO L276 IsEmpty]: Start isEmpty. Operand 3810 states and 4374 transitions. [2018-10-26 23:27:22,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-10-26 23:27:22,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:22,774 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 486 proven. 5 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-10-26 23:27:22,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:22,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4375 states to 3811 states and 4375 transitions. [2018-10-26 23:27:22,838 INFO L276 IsEmpty]: Start isEmpty. Operand 3811 states and 4375 transitions. [2018-10-26 23:27:22,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-10-26 23:27:22,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:23,029 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 486 proven. 5 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-10-26 23:27:23,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:23,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4389 states to 3826 states and 4389 transitions. [2018-10-26 23:27:23,852 INFO L276 IsEmpty]: Start isEmpty. Operand 3826 states and 4389 transitions. [2018-10-26 23:27:23,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-10-26 23:27:23,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:23,987 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 469 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2018-10-26 23:27:25,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:25,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4404 states to 3838 states and 4404 transitions. [2018-10-26 23:27:25,222 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 4404 transitions. [2018-10-26 23:27:25,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2018-10-26 23:27:25,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:28,009 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 552 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-10-26 23:27:34,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:34,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4432 states to 3865 states and 4432 transitions. [2018-10-26 23:27:34,114 INFO L276 IsEmpty]: Start isEmpty. Operand 3865 states and 4432 transitions. [2018-10-26 23:27:34,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-10-26 23:27:34,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:34,339 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 532 proven. 5 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2018-10-26 23:27:35,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:35,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4442 states to 3876 states and 4442 transitions. [2018-10-26 23:27:35,217 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 4442 transitions. [2018-10-26 23:27:35,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-10-26 23:27:35,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:35,401 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 532 proven. 5 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2018-10-26 23:27:36,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:36,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4456 states to 3891 states and 4456 transitions. [2018-10-26 23:27:36,224 INFO L276 IsEmpty]: Start isEmpty. Operand 3891 states and 4456 transitions. [2018-10-26 23:27:36,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-10-26 23:27:36,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:36,420 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 532 proven. 5 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2018-10-26 23:27:37,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:37,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4456 states to 3892 states and 4456 transitions. [2018-10-26 23:27:37,238 INFO L276 IsEmpty]: Start isEmpty. Operand 3892 states and 4456 transitions. [2018-10-26 23:27:37,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2018-10-26 23:27:37,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:37,391 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 443 proven. 8 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-10-26 23:27:39,439 WARN L179 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2018-10-26 23:27:40,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:40,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4490 states to 3926 states and 4490 transitions. [2018-10-26 23:27:40,145 INFO L276 IsEmpty]: Start isEmpty. Operand 3926 states and 4490 transitions. [2018-10-26 23:27:40,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-10-26 23:27:40,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:40,268 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 579 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2018-10-26 23:27:42,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:42,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4526 states to 3955 states and 4526 transitions. [2018-10-26 23:27:42,569 INFO L276 IsEmpty]: Start isEmpty. Operand 3955 states and 4526 transitions. [2018-10-26 23:27:42,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-10-26 23:27:42,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:42,683 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 579 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2018-10-26 23:27:43,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:43,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4527 states to 3956 states and 4527 transitions. [2018-10-26 23:27:43,045 INFO L276 IsEmpty]: Start isEmpty. Operand 3956 states and 4527 transitions. [2018-10-26 23:27:43,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-10-26 23:27:43,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:43,160 INFO L134 CoverageAnalysis]: Checked inductivity of 794 backedges. 579 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2018-10-26 23:27:43,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:43,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4528 states to 3958 states and 4528 transitions. [2018-10-26 23:27:43,518 INFO L276 IsEmpty]: Start isEmpty. Operand 3958 states and 4528 transitions. [2018-10-26 23:27:43,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-10-26 23:27:43,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:43,671 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 492 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2018-10-26 23:27:45,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:45,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4535 states to 3964 states and 4535 transitions. [2018-10-26 23:27:45,685 INFO L276 IsEmpty]: Start isEmpty. Operand 3964 states and 4535 transitions. [2018-10-26 23:27:45,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-10-26 23:27:45,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:45,802 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 492 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2018-10-26 23:27:47,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:47,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4552 states to 3982 states and 4552 transitions. [2018-10-26 23:27:47,079 INFO L276 IsEmpty]: Start isEmpty. Operand 3982 states and 4552 transitions. [2018-10-26 23:27:47,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-10-26 23:27:47,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:47,195 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 492 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2018-10-26 23:27:48,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:48,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4557 states to 3987 states and 4557 transitions. [2018-10-26 23:27:48,016 INFO L276 IsEmpty]: Start isEmpty. Operand 3987 states and 4557 transitions. [2018-10-26 23:27:48,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-10-26 23:27:48,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:48,133 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 492 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2018-10-26 23:27:50,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:50,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4574 states to 4004 states and 4574 transitions. [2018-10-26 23:27:50,705 INFO L276 IsEmpty]: Start isEmpty. Operand 4004 states and 4574 transitions. [2018-10-26 23:27:50,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-10-26 23:27:50,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:50,827 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 492 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2018-10-26 23:27:52,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:52,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4589 states to 4019 states and 4589 transitions. [2018-10-26 23:27:52,672 INFO L276 IsEmpty]: Start isEmpty. Operand 4019 states and 4589 transitions. [2018-10-26 23:27:52,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-10-26 23:27:52,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:52,869 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 492 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2018-10-26 23:27:53,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:53,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4600 states to 4030 states and 4600 transitions. [2018-10-26 23:27:53,483 INFO L276 IsEmpty]: Start isEmpty. Operand 4030 states and 4600 transitions. [2018-10-26 23:27:53,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-10-26 23:27:53,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:53,643 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 492 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2018-10-26 23:27:54,587 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 23:27:55,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:55,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4608 states to 4039 states and 4608 transitions. [2018-10-26 23:27:55,272 INFO L276 IsEmpty]: Start isEmpty. Operand 4039 states and 4608 transitions. [2018-10-26 23:27:55,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-10-26 23:27:55,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:55,384 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 492 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2018-10-26 23:27:55,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:55,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4618 states to 4050 states and 4618 transitions. [2018-10-26 23:27:55,500 INFO L276 IsEmpty]: Start isEmpty. Operand 4050 states and 4618 transitions. [2018-10-26 23:27:55,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-10-26 23:27:55,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:55,629 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 492 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2018-10-26 23:27:56,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:56,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4634 states to 4067 states and 4634 transitions. [2018-10-26 23:27:56,114 INFO L276 IsEmpty]: Start isEmpty. Operand 4067 states and 4634 transitions. [2018-10-26 23:27:56,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-10-26 23:27:56,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:56,237 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 492 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2018-10-26 23:27:56,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:27:56,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4634 states to 4068 states and 4634 transitions. [2018-10-26 23:27:56,736 INFO L276 IsEmpty]: Start isEmpty. Operand 4068 states and 4634 transitions. [2018-10-26 23:27:56,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-10-26 23:27:56,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:27:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:27:56,951 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 575 proven. 14 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 23:28:04,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:04,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4701 states to 4115 states and 4701 transitions. [2018-10-26 23:28:04,267 INFO L276 IsEmpty]: Start isEmpty. Operand 4115 states and 4701 transitions. [2018-10-26 23:28:04,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-10-26 23:28:04,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:04,501 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 575 proven. 14 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 23:28:08,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:08,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4724 states to 4135 states and 4724 transitions. [2018-10-26 23:28:08,407 INFO L276 IsEmpty]: Start isEmpty. Operand 4135 states and 4724 transitions. [2018-10-26 23:28:08,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-10-26 23:28:08,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:08,643 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 575 proven. 14 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 23:28:09,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:09,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4761 states to 4171 states and 4761 transitions. [2018-10-26 23:28:09,688 INFO L276 IsEmpty]: Start isEmpty. Operand 4171 states and 4761 transitions. [2018-10-26 23:28:09,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-10-26 23:28:09,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:09,930 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 575 proven. 14 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 23:28:10,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:10,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4764 states to 4175 states and 4764 transitions. [2018-10-26 23:28:10,870 INFO L276 IsEmpty]: Start isEmpty. Operand 4175 states and 4764 transitions. [2018-10-26 23:28:10,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-10-26 23:28:10,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:11,110 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 575 proven. 14 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 23:28:13,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:13,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4809 states to 4219 states and 4809 transitions. [2018-10-26 23:28:13,323 INFO L276 IsEmpty]: Start isEmpty. Operand 4219 states and 4809 transitions. [2018-10-26 23:28:13,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-10-26 23:28:13,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:13,560 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 575 proven. 14 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 23:28:15,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:15,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4844 states to 4255 states and 4844 transitions. [2018-10-26 23:28:15,337 INFO L276 IsEmpty]: Start isEmpty. Operand 4255 states and 4844 transitions. [2018-10-26 23:28:15,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-10-26 23:28:15,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:15,555 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 575 proven. 14 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 23:28:17,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:17,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4851 states to 4261 states and 4851 transitions. [2018-10-26 23:28:17,296 INFO L276 IsEmpty]: Start isEmpty. Operand 4261 states and 4851 transitions. [2018-10-26 23:28:17,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-10-26 23:28:17,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:17,558 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 575 proven. 14 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 23:28:18,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:18,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4861 states to 4271 states and 4861 transitions. [2018-10-26 23:28:18,541 INFO L276 IsEmpty]: Start isEmpty. Operand 4271 states and 4861 transitions. [2018-10-26 23:28:18,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-10-26 23:28:18,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 575 proven. 14 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 23:28:21,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:21,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4896 states to 4307 states and 4896 transitions. [2018-10-26 23:28:21,093 INFO L276 IsEmpty]: Start isEmpty. Operand 4307 states and 4896 transitions. [2018-10-26 23:28:21,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-10-26 23:28:21,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:21,309 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 424 proven. 3 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2018-10-26 23:28:24,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:24,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4945 states to 4357 states and 4945 transitions. [2018-10-26 23:28:24,375 INFO L276 IsEmpty]: Start isEmpty. Operand 4357 states and 4945 transitions. [2018-10-26 23:28:24,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-10-26 23:28:24,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:24,578 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 424 proven. 3 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2018-10-26 23:28:27,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:27,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4992 states to 4405 states and 4992 transitions. [2018-10-26 23:28:27,461 INFO L276 IsEmpty]: Start isEmpty. Operand 4405 states and 4992 transitions. [2018-10-26 23:28:27,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-10-26 23:28:27,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:27,662 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 424 proven. 3 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2018-10-26 23:28:32,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:32,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5067 states to 4471 states and 5067 transitions. [2018-10-26 23:28:32,937 INFO L276 IsEmpty]: Start isEmpty. Operand 4471 states and 5067 transitions. [2018-10-26 23:28:32,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-10-26 23:28:32,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:33,177 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 424 proven. 3 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2018-10-26 23:28:37,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:37,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5097 states to 4499 states and 5097 transitions. [2018-10-26 23:28:37,976 INFO L276 IsEmpty]: Start isEmpty. Operand 4499 states and 5097 transitions. [2018-10-26 23:28:37,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-10-26 23:28:37,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:38,174 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 424 proven. 3 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2018-10-26 23:28:41,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:41,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5147 states to 4549 states and 5147 transitions. [2018-10-26 23:28:41,654 INFO L276 IsEmpty]: Start isEmpty. Operand 4549 states and 5147 transitions. [2018-10-26 23:28:41,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-10-26 23:28:41,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:41,854 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 424 proven. 3 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2018-10-26 23:28:45,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:45,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5195 states to 4597 states and 5195 transitions. [2018-10-26 23:28:45,053 INFO L276 IsEmpty]: Start isEmpty. Operand 4597 states and 5195 transitions. [2018-10-26 23:28:45,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-10-26 23:28:45,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:45,258 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 424 proven. 3 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2018-10-26 23:28:46,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:46,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5205 states to 4608 states and 5205 transitions. [2018-10-26 23:28:46,300 INFO L276 IsEmpty]: Start isEmpty. Operand 4608 states and 5205 transitions. [2018-10-26 23:28:46,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-10-26 23:28:46,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:46,733 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 424 proven. 3 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2018-10-26 23:28:48,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:48,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5219 states to 4623 states and 5219 transitions. [2018-10-26 23:28:48,975 INFO L276 IsEmpty]: Start isEmpty. Operand 4623 states and 5219 transitions. [2018-10-26 23:28:48,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-10-26 23:28:48,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:49,892 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 424 proven. 3 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2018-10-26 23:28:50,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:50,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5219 states to 4624 states and 5219 transitions. [2018-10-26 23:28:50,515 INFO L276 IsEmpty]: Start isEmpty. Operand 4624 states and 5219 transitions. [2018-10-26 23:28:50,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-10-26 23:28:50,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:50,722 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 424 proven. 3 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2018-10-26 23:28:51,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:51,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5221 states to 4626 states and 5221 transitions. [2018-10-26 23:28:51,776 INFO L276 IsEmpty]: Start isEmpty. Operand 4626 states and 5221 transitions. [2018-10-26 23:28:51,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-10-26 23:28:51,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:51,989 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 424 proven. 3 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2018-10-26 23:28:53,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:53,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5222 states to 4628 states and 5222 transitions. [2018-10-26 23:28:53,071 INFO L276 IsEmpty]: Start isEmpty. Operand 4628 states and 5222 transitions. [2018-10-26 23:28:53,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-10-26 23:28:53,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:53,239 INFO L134 CoverageAnalysis]: Checked inductivity of 838 backedges. 319 proven. 3 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-10-26 23:28:55,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:55,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5269 states to 4675 states and 5269 transitions. [2018-10-26 23:28:55,414 INFO L276 IsEmpty]: Start isEmpty. Operand 4675 states and 5269 transitions. [2018-10-26 23:28:55,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-10-26 23:28:55,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:55,583 INFO L134 CoverageAnalysis]: Checked inductivity of 838 backedges. 319 proven. 3 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-10-26 23:28:58,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:28:58,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5311 states to 4717 states and 5311 transitions. [2018-10-26 23:28:58,136 INFO L276 IsEmpty]: Start isEmpty. Operand 4717 states and 5311 transitions. [2018-10-26 23:28:58,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-10-26 23:28:58,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:28:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:28:58,719 INFO L134 CoverageAnalysis]: Checked inductivity of 838 backedges. 319 proven. 3 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-10-26 23:29:03,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:29:03,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5357 states to 4763 states and 5357 transitions. [2018-10-26 23:29:03,268 INFO L276 IsEmpty]: Start isEmpty. Operand 4763 states and 5357 transitions. [2018-10-26 23:29:03,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-10-26 23:29:03,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:29:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:29:03,436 INFO L134 CoverageAnalysis]: Checked inductivity of 838 backedges. 319 proven. 3 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-10-26 23:29:04,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:29:04,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5370 states to 4777 states and 5370 transitions. [2018-10-26 23:29:04,596 INFO L276 IsEmpty]: Start isEmpty. Operand 4777 states and 5370 transitions. [2018-10-26 23:29:04,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-10-26 23:29:04,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:29:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:29:04,766 INFO L134 CoverageAnalysis]: Checked inductivity of 838 backedges. 319 proven. 3 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-10-26 23:29:06,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:29:06,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5413 states to 4821 states and 5413 transitions. [2018-10-26 23:29:06,307 INFO L276 IsEmpty]: Start isEmpty. Operand 4821 states and 5413 transitions. [2018-10-26 23:29:06,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2018-10-26 23:29:06,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:29:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:29:09,054 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 803 proven. 5 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-10-26 23:29:13,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:29:13,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5433 states to 4839 states and 5433 transitions. [2018-10-26 23:29:13,136 INFO L276 IsEmpty]: Start isEmpty. Operand 4839 states and 5433 transitions. [2018-10-26 23:29:13,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2018-10-26 23:29:13,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:29:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:29:13,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1003 backedges. 598 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2018-10-26 23:29:15,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:29:15,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5438 states to 4841 states and 5438 transitions. [2018-10-26 23:29:15,371 INFO L276 IsEmpty]: Start isEmpty. Operand 4841 states and 5438 transitions. [2018-10-26 23:29:15,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2018-10-26 23:29:15,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:29:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:29:15,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 639 proven. 5 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2018-10-26 23:29:16,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:29:16,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5448 states to 4852 states and 5448 transitions. [2018-10-26 23:29:16,966 INFO L276 IsEmpty]: Start isEmpty. Operand 4852 states and 5448 transitions. [2018-10-26 23:29:16,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2018-10-26 23:29:16,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:29:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:29:17,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 639 proven. 5 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2018-10-26 23:29:18,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:29:18,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5458 states to 4863 states and 5458 transitions. [2018-10-26 23:29:18,258 INFO L276 IsEmpty]: Start isEmpty. Operand 4863 states and 5458 transitions. [2018-10-26 23:29:18,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2018-10-26 23:29:18,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:29:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:29:18,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 681 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2018-10-26 23:29:18,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:29:18,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5466 states to 4871 states and 5466 transitions. [2018-10-26 23:29:18,503 INFO L276 IsEmpty]: Start isEmpty. Operand 4871 states and 5466 transitions. [2018-10-26 23:29:18,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2018-10-26 23:29:18,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:29:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:29:18,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1111 backedges. 709 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2018-10-26 23:29:22,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:29:22,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5483 states to 4888 states and 5483 transitions. [2018-10-26 23:29:22,214 INFO L276 IsEmpty]: Start isEmpty. Operand 4888 states and 5483 transitions. [2018-10-26 23:29:22,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2018-10-26 23:29:22,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:29:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:29:22,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1111 backedges. 709 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2018-10-26 23:29:23,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:29:23,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5488 states to 4893 states and 5488 transitions. [2018-10-26 23:29:23,907 INFO L276 IsEmpty]: Start isEmpty. Operand 4893 states and 5488 transitions. [2018-10-26 23:29:23,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2018-10-26 23:29:23,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:29:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:29:24,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1111 backedges. 709 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2018-10-26 23:29:26,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:29:26,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5504 states to 4910 states and 5504 transitions. [2018-10-26 23:29:26,577 INFO L276 IsEmpty]: Start isEmpty. Operand 4910 states and 5504 transitions. [2018-10-26 23:29:26,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-10-26 23:29:26,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:29:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:29:26,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 21 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 23:29:32,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:29:32,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5564 states to 4967 states and 5564 transitions. [2018-10-26 23:29:32,211 INFO L276 IsEmpty]: Start isEmpty. Operand 4967 states and 5564 transitions. [2018-10-26 23:29:32,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-10-26 23:29:32,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:29:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:29:32,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 21 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 23:29:35,799 WARN L179 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-10-26 23:29:36,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:29:36,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5615 states to 5017 states and 5615 transitions. [2018-10-26 23:29:36,283 INFO L276 IsEmpty]: Start isEmpty. Operand 5017 states and 5615 transitions. [2018-10-26 23:29:36,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-10-26 23:29:36,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:29:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:29:36,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 21 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 23:29:43,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:29:43,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5676 states to 5067 states and 5676 transitions. [2018-10-26 23:29:43,110 INFO L276 IsEmpty]: Start isEmpty. Operand 5067 states and 5676 transitions. [2018-10-26 23:29:43,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-10-26 23:29:43,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:29:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:29:43,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 21 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 23:29:48,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:29:48,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5731 states to 5109 states and 5731 transitions. [2018-10-26 23:29:48,014 INFO L276 IsEmpty]: Start isEmpty. Operand 5109 states and 5731 transitions. [2018-10-26 23:29:48,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-10-26 23:29:48,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:29:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:29:48,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 21 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 23:29:49,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:29:49,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5733 states to 5111 states and 5733 transitions. [2018-10-26 23:29:49,512 INFO L276 IsEmpty]: Start isEmpty. Operand 5111 states and 5733 transitions. [2018-10-26 23:29:49,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-10-26 23:29:49,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:29:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:29:49,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 21 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 23:29:51,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:29:51,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5744 states to 5122 states and 5744 transitions. [2018-10-26 23:29:51,978 INFO L276 IsEmpty]: Start isEmpty. Operand 5122 states and 5744 transitions. [2018-10-26 23:29:51,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-10-26 23:29:51,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:29:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:29:52,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 21 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 23:29:54,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:29:54,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5796 states to 5175 states and 5796 transitions. [2018-10-26 23:29:54,759 INFO L276 IsEmpty]: Start isEmpty. Operand 5175 states and 5796 transitions. [2018-10-26 23:29:54,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-10-26 23:29:54,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:29:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:29:55,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 21 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 23:29:56,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:29:56,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5798 states to 5178 states and 5798 transitions. [2018-10-26 23:29:56,079 INFO L276 IsEmpty]: Start isEmpty. Operand 5178 states and 5798 transitions. [2018-10-26 23:29:56,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-10-26 23:29:56,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:29:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:29:56,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 21 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 23:29:57,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:29:57,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5803 states to 5182 states and 5803 transitions. [2018-10-26 23:29:57,630 INFO L276 IsEmpty]: Start isEmpty. Operand 5182 states and 5803 transitions. [2018-10-26 23:29:57,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-10-26 23:29:57,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:29:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:29:57,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 21 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 23:29:59,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:29:59,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5813 states to 5193 states and 5813 transitions. [2018-10-26 23:29:59,195 INFO L276 IsEmpty]: Start isEmpty. Operand 5193 states and 5813 transitions. [2018-10-26 23:29:59,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-10-26 23:29:59,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:29:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:29:59,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 21 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 23:30:00,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:30:00,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5823 states to 5204 states and 5823 transitions. [2018-10-26 23:30:00,581 INFO L276 IsEmpty]: Start isEmpty. Operand 5204 states and 5823 transitions. [2018-10-26 23:30:00,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-10-26 23:30:00,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:30:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:30:00,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 21 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 23:30:02,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:30:02,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5837 states to 5219 states and 5837 transitions. [2018-10-26 23:30:02,062 INFO L276 IsEmpty]: Start isEmpty. Operand 5219 states and 5837 transitions. [2018-10-26 23:30:02,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-10-26 23:30:02,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:30:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:30:02,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 21 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 23:30:05,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:30:05,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5868 states to 5246 states and 5868 transitions. [2018-10-26 23:30:05,062 INFO L276 IsEmpty]: Start isEmpty. Operand 5246 states and 5868 transitions. [2018-10-26 23:30:05,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-10-26 23:30:05,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:30:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:30:05,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 21 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 23:30:08,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:30:08,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5888 states to 5264 states and 5888 transitions. [2018-10-26 23:30:08,706 INFO L276 IsEmpty]: Start isEmpty. Operand 5264 states and 5888 transitions. [2018-10-26 23:30:08,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-10-26 23:30:08,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:30:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:30:09,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 21 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 23:30:11,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:30:11,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5903 states to 5280 states and 5903 transitions. [2018-10-26 23:30:11,180 INFO L276 IsEmpty]: Start isEmpty. Operand 5280 states and 5903 transitions. [2018-10-26 23:30:11,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-10-26 23:30:11,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:30:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:30:11,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 21 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 23:30:12,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:30:12,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5917 states to 5295 states and 5917 transitions. [2018-10-26 23:30:12,573 INFO L276 IsEmpty]: Start isEmpty. Operand 5295 states and 5917 transitions. [2018-10-26 23:30:12,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-10-26 23:30:12,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:30:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:30:13,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 21 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 23:30:14,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:30:14,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5927 states to 5306 states and 5927 transitions. [2018-10-26 23:30:14,656 INFO L276 IsEmpty]: Start isEmpty. Operand 5306 states and 5927 transitions. [2018-10-26 23:30:14,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-10-26 23:30:14,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:30:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:30:14,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 21 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 23:30:16,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:30:16,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5934 states to 5314 states and 5934 transitions. [2018-10-26 23:30:16,033 INFO L276 IsEmpty]: Start isEmpty. Operand 5314 states and 5934 transitions. [2018-10-26 23:30:16,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-10-26 23:30:16,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:30:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:30:16,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 21 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 23:30:17,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:30:17,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5948 states to 5329 states and 5948 transitions. [2018-10-26 23:30:17,449 INFO L276 IsEmpty]: Start isEmpty. Operand 5329 states and 5948 transitions. [2018-10-26 23:30:17,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-10-26 23:30:17,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:30:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:30:17,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 21 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 23:30:18,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:30:18,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5994 states to 5375 states and 5994 transitions. [2018-10-26 23:30:18,083 INFO L276 IsEmpty]: Start isEmpty. Operand 5375 states and 5994 transitions. [2018-10-26 23:30:18,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-10-26 23:30:18,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:30:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:30:18,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1159 backedges. 754 proven. 21 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 23:30:19,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:30:19,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4649 states to 4158 states and 4649 transitions. [2018-10-26 23:30:19,539 INFO L276 IsEmpty]: Start isEmpty. Operand 4158 states and 4649 transitions. [2018-10-26 23:30:19,542 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:30:19,542 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 307 iterations. [2018-10-26 23:30:19,551 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 23:30:19,790 WARN L179 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 19 [2018-10-26 23:30:19,972 WARN L179 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 19 [2018-10-26 23:30:20,198 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 19 [2018-10-26 23:30:20,493 WARN L179 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 19 [2018-10-26 23:30:20,715 WARN L179 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 19 [2018-10-26 23:30:20,861 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 19 [2018-10-26 23:30:21,473 WARN L179 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 19 [2018-10-26 23:30:21,584 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 19 [2018-10-26 23:30:21,742 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 19 [2018-10-26 23:30:21,903 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 19 [2018-10-26 23:30:22,085 WARN L179 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 19 [2018-10-26 23:30:22,311 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 19 [2018-10-26 23:30:22,416 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 19 [2018-10-26 23:30:22,584 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 19 [2018-10-26 23:30:22,761 WARN L179 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 19 [2018-10-26 23:30:23,004 WARN L179 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 19 [2018-10-26 23:30:23,222 WARN L179 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 19 [2018-10-26 23:30:23,450 WARN L179 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2018-10-26 23:30:23,676 WARN L179 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 19 [2018-10-26 23:30:23,904 WARN L179 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2018-10-26 23:30:24,141 WARN L179 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2018-10-26 23:30:24,324 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 19 [2018-10-26 23:30:24,492 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 19 [2018-10-26 23:30:24,677 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 19 [2018-10-26 23:30:24,835 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 19 [2018-10-26 23:30:25,124 WARN L179 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2018-10-26 23:30:25,483 WARN L179 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 59 [2018-10-26 23:30:25,726 WARN L179 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 19 [2018-10-26 23:30:25,956 WARN L179 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2018-10-26 23:30:26,178 WARN L179 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 19 [2018-10-26 23:30:26,397 WARN L179 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2018-10-26 23:30:26,579 WARN L179 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2018-10-26 23:30:26,799 WARN L179 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2018-10-26 23:30:26,982 WARN L179 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 19 [2018-10-26 23:30:27,208 WARN L179 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 19 [2018-10-26 23:30:27,365 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 19 [2018-10-26 23:30:27,577 WARN L179 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 19 [2018-10-26 23:30:27,797 WARN L179 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2018-10-26 23:30:28,033 WARN L179 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 19 [2018-10-26 23:30:28,275 WARN L179 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2018-10-26 23:30:28,489 WARN L179 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 19 [2018-10-26 23:30:28,774 WARN L179 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 19 [2018-10-26 23:30:28,960 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 19 [2018-10-26 23:30:29,195 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 19 [2018-10-26 23:30:29,421 WARN L179 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 19 [2018-10-26 23:30:29,656 WARN L179 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2018-10-26 23:30:29,820 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 19 [2018-10-26 23:30:30,107 WARN L179 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 19 [2018-10-26 23:30:30,264 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 19 [2018-10-26 23:30:30,401 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 19 [2018-10-26 23:30:30,507 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 19 [2018-10-26 23:30:30,617 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 19 [2018-10-26 23:30:30,786 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 19 [2018-10-26 23:30:31,020 WARN L179 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2018-10-26 23:30:31,250 WARN L179 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2018-10-26 23:30:31,363 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 19 [2018-10-26 23:30:31,550 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 19 [2018-10-26 23:30:31,717 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 19 [2018-10-26 23:30:32,336 WARN L179 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 19 [2018-10-26 23:30:32,557 WARN L179 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 19 [2018-10-26 23:30:32,785 WARN L179 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2018-10-26 23:30:32,991 WARN L179 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 19 [2018-10-26 23:30:33,106 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 19 [2018-10-26 23:30:33,324 WARN L179 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 19 [2018-10-26 23:30:33,505 WARN L179 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 19 [2018-10-26 23:30:33,684 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 19 [2018-10-26 23:30:33,916 WARN L179 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19 [2018-10-26 23:30:34,147 WARN L179 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 19 [2018-10-26 23:30:34,330 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 19 [2018-10-26 23:30:34,560 WARN L179 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 19 [2018-10-26 23:30:34,889 WARN L179 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 52 [2018-10-26 23:30:35,133 WARN L179 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 19 [2018-10-26 23:30:35,249 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 19 [2018-10-26 23:30:35,415 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 19 [2018-10-26 23:30:35,415 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:30:35,418 INFO L582 CodeCheckObserver]: Invariant with dag size 19 [2018-10-26 23:30:35,425 INFO L582 CodeCheckObserver]: Invariant with dag size 19 [2018-10-26 23:30:35,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:30:35 ImpRootNode [2018-10-26 23:30:35,426 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:30:35,426 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:30:35,426 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:30:35,430 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:30:35,431 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:22:33" (3/4) ... [2018-10-26 23:30:35,437 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:30:35,458 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-10-26 23:30:35,460 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-10-26 23:30:35,461 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-10-26 23:30:35,462 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 23:30:35,608 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a3726f8c-3d52-4d47-9e2d-75454255793a/bin-2019/ukojak/witness.graphml [2018-10-26 23:30:35,609 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:30:35,609 INFO L168 Benchmark]: Toolchain (without parser) took 488306.16 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.8 GB). Free memory was 957.1 MB in the beginning and 2.9 GB in the end (delta: -2.0 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-10-26 23:30:35,610 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:30:35,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.85 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 922.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-10-26 23:30:35,610 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.83 ms. Allocated memory is still 1.0 GB. Free memory was 922.2 MB in the beginning and 916.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:30:35,614 INFO L168 Benchmark]: Boogie Preprocessor took 191.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 916.9 MB in the beginning and 1.2 GB in the end (delta: -237.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-10-26 23:30:35,614 INFO L168 Benchmark]: RCFGBuilder took 5256.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 916.1 MB in the end (delta: 238.1 MB). Peak memory consumption was 238.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:30:35,615 INFO L168 Benchmark]: CodeCheck took 481975.16 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 913.4 MB in the beginning and 2.9 GB in the end (delta: -2.0 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-10-26 23:30:35,615 INFO L168 Benchmark]: Witness Printer took 182.56 ms. Allocated memory is still 4.8 GB. Free memory was 2.9 GB in the beginning and 2.9 GB in the end (delta: 4.2 kB). Peak memory consumption was 4.2 kB. Max. memory is 11.5 GB. [2018-10-26 23:30:35,618 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, 228 locations, 1 error locations. SAFE Result, 466.0s OverallTime, 307 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1073742080 SDtfs, -1482496964 SDslu, -1073739776 SDs, 0 SdLazy, -1423823776 SolverSat, -1992294080 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3858.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 516595 GetRequests, 507665 SyntacticMatches, 6498 SemanticMatches, 2432 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4420557 ImplicationChecksByTransitivity, 389.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.7s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 43.2s InterpolantComputationTime, 79903 NumberOfCodeBlocks, 79903 NumberOfCodeBlocksAsserted, 306 NumberOfCheckSat, 79597 ConstructedInterpolants, 0 QuantifiedInterpolants, 67634672 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 306 InterpolantComputations, 166 PerfectInterpolantSequences, 124174/125450 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: 484]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((a28 == 7 || a28 == 10) || (a28 == 8 && !(a11 == 1))) || (!(a28 == 8) && !(a17 == 9)) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((a28 == 7 || a28 == 10) || (a28 == 8 && !(a11 == 1))) || (!(a28 == 8) && !(a17 == 9)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 608.85 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 922.2 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 85.83 ms. Allocated memory is still 1.0 GB. Free memory was 922.2 MB in the beginning and 916.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 191.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 916.9 MB in the beginning and 1.2 GB in the end (delta: -237.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5256.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 916.1 MB in the end (delta: 238.1 MB). Peak memory consumption was 238.1 MB. Max. memory is 11.5 GB. * CodeCheck took 481975.16 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 913.4 MB in the beginning and 2.9 GB in the end (delta: -2.0 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. * Witness Printer took 182.56 ms. Allocated memory is still 4.8 GB. Free memory was 2.9 GB in the beginning and 2.9 GB in the end (delta: 4.2 kB). Peak memory consumption was 4.2 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...