./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label41_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d83ab970-8e30-4ce2-b5df-7902bf8319f2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d83ab970-8e30-4ce2-b5df-7902bf8319f2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d83ab970-8e30-4ce2-b5df-7902bf8319f2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d83ab970-8e30-4ce2-b5df-7902bf8319f2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label41_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d83ab970-8e30-4ce2-b5df-7902bf8319f2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d83ab970-8e30-4ce2-b5df-7902bf8319f2/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 43cbcba3b52a19a4f3b50b9a2bc823d03105b297 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:16:59,569 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:16:59,571 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:16:59,579 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:16:59,580 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:16:59,580 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:16:59,581 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:16:59,582 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:16:59,583 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:16:59,584 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:16:59,585 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:16:59,585 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:16:59,585 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:16:59,586 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:16:59,587 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:16:59,587 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:16:59,588 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:16:59,589 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:16:59,590 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:16:59,592 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:16:59,592 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:16:59,593 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:16:59,595 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:16:59,595 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:16:59,595 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:16:59,595 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:16:59,596 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:16:59,596 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:16:59,597 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:16:59,598 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:16:59,598 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:16:59,598 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:16:59,598 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:16:59,599 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:16:59,599 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:16:59,600 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:16:59,600 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d83ab970-8e30-4ce2-b5df-7902bf8319f2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 10:16:59,608 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:16:59,608 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:16:59,609 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:16:59,609 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:16:59,609 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:16:59,609 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:16:59,610 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:16:59,610 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:16:59,610 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:16:59,610 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:16:59,610 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:16:59,610 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:16:59,610 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:16:59,611 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:16:59,611 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:16:59,611 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:16:59,611 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:16:59,611 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:16:59,611 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 10:16:59,611 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 10:16:59,611 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:16:59,612 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:16:59,612 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:16:59,612 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:16:59,612 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:16:59,612 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:16:59,612 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 10:16:59,612 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:16:59,613 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:16:59,613 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_d83ab970-8e30-4ce2-b5df-7902bf8319f2/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 -> 43cbcba3b52a19a4f3b50b9a2bc823d03105b297 [2018-11-18 10:16:59,636 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:16:59,645 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:16:59,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:16:59,649 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:16:59,649 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:16:59,650 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d83ab970-8e30-4ce2-b5df-7902bf8319f2/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label41_true-unreach-call_false-termination.c [2018-11-18 10:16:59,695 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d83ab970-8e30-4ce2-b5df-7902bf8319f2/bin-2019/ukojak/data/04608835c/63525ba96fe04b09a7bc3bc88fac2659/FLAG70dd8cce4 [2018-11-18 10:17:00,137 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:17:00,138 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d83ab970-8e30-4ce2-b5df-7902bf8319f2/sv-benchmarks/c/eca-rers2012/Problem02_label41_true-unreach-call_false-termination.c [2018-11-18 10:17:00,146 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d83ab970-8e30-4ce2-b5df-7902bf8319f2/bin-2019/ukojak/data/04608835c/63525ba96fe04b09a7bc3bc88fac2659/FLAG70dd8cce4 [2018-11-18 10:17:00,157 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d83ab970-8e30-4ce2-b5df-7902bf8319f2/bin-2019/ukojak/data/04608835c/63525ba96fe04b09a7bc3bc88fac2659 [2018-11-18 10:17:00,160 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:17:00,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:17:00,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:17:00,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:17:00,165 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:17:00,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:17:00" (1/1) ... [2018-11-18 10:17:00,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be9d35c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:00, skipping insertion in model container [2018-11-18 10:17:00,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:17:00" (1/1) ... [2018-11-18 10:17:00,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:17:00,207 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:17:00,452 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:17:00,456 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:17:00,522 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:17:00,535 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:17:00,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:00 WrapperNode [2018-11-18 10:17:00,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:17:00,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:17:00,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:17:00,537 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:17:00,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:00" (1/1) ... [2018-11-18 10:17:00,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:00" (1/1) ... [2018-11-18 10:17:00,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:17:00,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:17:00,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:17:00,640 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:17:00,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:00" (1/1) ... [2018-11-18 10:17:00,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:00" (1/1) ... [2018-11-18 10:17:00,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:00" (1/1) ... [2018-11-18 10:17:00,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:00" (1/1) ... [2018-11-18 10:17:00,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:00" (1/1) ... [2018-11-18 10:17:00,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:00" (1/1) ... [2018-11-18 10:17:00,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:00" (1/1) ... [2018-11-18 10:17:00,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:17:00,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:17:00,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:17:00,681 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:17:00,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:17:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d83ab970-8e30-4ce2-b5df-7902bf8319f2/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:17:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 10:17:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:17:00,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:17:02,325 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:17:02,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:17:02 BoogieIcfgContainer [2018-11-18 10:17:02,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:17:02,326 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 10:17:02,326 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 10:17:02,336 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 10:17:02,336 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:17:02" (1/1) ... [2018-11-18 10:17:02,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:17:02,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:02,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 10:17:02,381 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 10:17:02,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 10:17:02,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:02,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:03,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:03,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 165 states and 244 transitions. [2018-11-18 10:17:03,039 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 244 transitions. [2018-11-18 10:17:03,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 10:17:03,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:03,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:03,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:03,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 245 states and 335 transitions. [2018-11-18 10:17:03,511 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 335 transitions. [2018-11-18 10:17:03,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 10:17:03,515 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:03,559 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:03,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:03,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 250 states and 342 transitions. [2018-11-18 10:17:03,710 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 342 transitions. [2018-11-18 10:17:03,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 10:17:03,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:03,749 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:03,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:03,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 260 states and 357 transitions. [2018-11-18 10:17:03,863 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 357 transitions. [2018-11-18 10:17:03,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 10:17:03,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:03,916 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 10:17:04,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:04,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 271 states and 378 transitions. [2018-11-18 10:17:04,294 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 378 transitions. [2018-11-18 10:17:04,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-18 10:17:04,295 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:04,331 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:04,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:04,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 274 states and 381 transitions. [2018-11-18 10:17:04,349 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 381 transitions. [2018-11-18 10:17:04,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 10:17:04,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:04,364 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:04,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:04,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 275 states and 383 transitions. [2018-11-18 10:17:04,446 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 383 transitions. [2018-11-18 10:17:04,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 10:17:04,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:04,463 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:04,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:04,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 279 states and 387 transitions. [2018-11-18 10:17:04,530 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 387 transitions. [2018-11-18 10:17:04,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 10:17:04,531 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:04,545 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:17:04,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:04,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 280 states and 390 transitions. [2018-11-18 10:17:04,662 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 390 transitions. [2018-11-18 10:17:04,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 10:17:04,663 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:04,680 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:17:04,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:04,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 284 states and 394 transitions. [2018-11-18 10:17:04,771 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 394 transitions. [2018-11-18 10:17:04,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 10:17:04,772 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:04,860 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:05,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:05,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 302 states and 425 transitions. [2018-11-18 10:17:05,208 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 425 transitions. [2018-11-18 10:17:05,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 10:17:05,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:05,225 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:05,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 309 states and 433 transitions. [2018-11-18 10:17:05,300 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 433 transitions. [2018-11-18 10:17:05,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 10:17:05,301 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:05,322 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:05,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:05,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 311 states and 435 transitions. [2018-11-18 10:17:05,342 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 435 transitions. [2018-11-18 10:17:05,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 10:17:05,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:05,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:05,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 316 states and 444 transitions. [2018-11-18 10:17:05,567 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 444 transitions. [2018-11-18 10:17:05,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 10:17:05,568 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:05,599 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:05,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:05,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 320 states and 448 transitions. [2018-11-18 10:17:05,758 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 448 transitions. [2018-11-18 10:17:05,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 10:17:05,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:05,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:05,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 324 states and 454 transitions. [2018-11-18 10:17:05,895 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 454 transitions. [2018-11-18 10:17:05,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 10:17:05,895 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:06,000 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:06,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:06,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 348 states and 486 transitions. [2018-11-18 10:17:06,506 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 486 transitions. [2018-11-18 10:17:06,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 10:17:06,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:06,528 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:06,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:06,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 353 states and 492 transitions. [2018-11-18 10:17:06,654 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 492 transitions. [2018-11-18 10:17:06,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 10:17:06,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:06,752 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:17:06,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:06,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 358 states and 500 transitions. [2018-11-18 10:17:06,899 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 500 transitions. [2018-11-18 10:17:06,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 10:17:06,900 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:06,980 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:07,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:07,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 381 states and 532 transitions. [2018-11-18 10:17:07,694 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 532 transitions. [2018-11-18 10:17:07,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 10:17:07,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:07,820 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:07,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:07,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 385 states and 536 transitions. [2018-11-18 10:17:07,984 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 536 transitions. [2018-11-18 10:17:07,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 10:17:07,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:08,092 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:08,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:08,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 389 states and 540 transitions. [2018-11-18 10:17:08,240 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 540 transitions. [2018-11-18 10:17:08,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 10:17:08,241 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:08,317 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:08,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:08,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 393 states and 544 transitions. [2018-11-18 10:17:08,426 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 544 transitions. [2018-11-18 10:17:08,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 10:17:08,427 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:08,443 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:08,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:08,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 402 states and 556 transitions. [2018-11-18 10:17:08,647 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 556 transitions. [2018-11-18 10:17:08,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 10:17:08,648 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:08,670 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:17:08,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:08,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 407 states and 560 transitions. [2018-11-18 10:17:08,754 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 560 transitions. [2018-11-18 10:17:08,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 10:17:08,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:09,036 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:10,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:10,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 441 states and 608 transitions. [2018-11-18 10:17:10,412 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 608 transitions. [2018-11-18 10:17:10,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 10:17:10,413 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:10,449 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:10,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:10,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 445 states and 612 transitions. [2018-11-18 10:17:10,735 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 612 transitions. [2018-11-18 10:17:10,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 10:17:10,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:10,819 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:17:11,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:11,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 452 states and 626 transitions. [2018-11-18 10:17:11,324 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 626 transitions. [2018-11-18 10:17:11,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 10:17:11,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:11,474 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:11,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:11,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 458 states and 632 transitions. [2018-11-18 10:17:11,609 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 632 transitions. [2018-11-18 10:17:11,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 10:17:11,610 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:11,631 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:12,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:12,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 471 states and 653 transitions. [2018-11-18 10:17:12,168 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 653 transitions. [2018-11-18 10:17:12,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 10:17:12,168 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:12,191 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:12,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:12,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 474 states and 656 transitions. [2018-11-18 10:17:12,285 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 656 transitions. [2018-11-18 10:17:12,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 10:17:12,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:12,311 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 10:17:12,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:12,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 478 states and 661 transitions. [2018-11-18 10:17:12,568 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 661 transitions. [2018-11-18 10:17:12,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 10:17:12,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:12,595 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 10:17:12,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:12,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 482 states and 665 transitions. [2018-11-18 10:17:12,758 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 665 transitions. [2018-11-18 10:17:12,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 10:17:12,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:12,805 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:17:13,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:13,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 496 states and 681 transitions. [2018-11-18 10:17:13,111 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 681 transitions. [2018-11-18 10:17:13,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 10:17:13,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:13,331 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 56 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:17:14,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:14,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 515 states and 708 transitions. [2018-11-18 10:17:14,395 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 708 transitions. [2018-11-18 10:17:14,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 10:17:14,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:14,415 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:14,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:14,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 530 states and 726 transitions. [2018-11-18 10:17:14,625 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 726 transitions. [2018-11-18 10:17:14,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 10:17:14,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:14,649 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:14,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 533 states and 729 transitions. [2018-11-18 10:17:14,689 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 729 transitions. [2018-11-18 10:17:14,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 10:17:14,690 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:14,743 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:17:15,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:15,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 545 states and 740 transitions. [2018-11-18 10:17:15,064 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 740 transitions. [2018-11-18 10:17:15,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 10:17:15,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:15,093 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:17:15,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:15,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 548 states and 742 transitions. [2018-11-18 10:17:15,204 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 742 transitions. [2018-11-18 10:17:15,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 10:17:15,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:15,247 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:17:16,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:16,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 562 states and 760 transitions. [2018-11-18 10:17:16,123 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 760 transitions. [2018-11-18 10:17:16,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 10:17:16,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:16,162 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:17:16,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:16,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 574 states and 771 transitions. [2018-11-18 10:17:16,399 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 771 transitions. [2018-11-18 10:17:16,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 10:17:16,400 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:16,441 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:17:16,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:16,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 581 states and 777 transitions. [2018-11-18 10:17:16,657 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 777 transitions. [2018-11-18 10:17:16,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 10:17:16,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:16,695 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:17:16,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:16,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 584 states and 781 transitions. [2018-11-18 10:17:16,962 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 781 transitions. [2018-11-18 10:17:16,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 10:17:16,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:17,003 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:17:17,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:17,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 589 states and 786 transitions. [2018-11-18 10:17:17,511 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 786 transitions. [2018-11-18 10:17:17,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 10:17:17,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:17,539 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:17:17,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:17,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 595 states and 790 transitions. [2018-11-18 10:17:17,739 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 790 transitions. [2018-11-18 10:17:17,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 10:17:17,740 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:17,818 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:18,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:18,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 611 states and 809 transitions. [2018-11-18 10:17:18,157 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 809 transitions. [2018-11-18 10:17:18,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 10:17:18,158 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:18,229 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:18,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:18,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 615 states and 813 transitions. [2018-11-18 10:17:18,397 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 813 transitions. [2018-11-18 10:17:18,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 10:17:18,398 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:18,472 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:18,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:18,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 629 states and 831 transitions. [2018-11-18 10:17:18,958 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 831 transitions. [2018-11-18 10:17:18,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 10:17:18,959 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:19,048 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:19,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:19,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 633 states and 835 transitions. [2018-11-18 10:17:19,247 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 835 transitions. [2018-11-18 10:17:19,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 10:17:19,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:19,277 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 10:17:19,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:19,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 648 states and 853 transitions. [2018-11-18 10:17:19,716 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 853 transitions. [2018-11-18 10:17:19,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 10:17:19,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:19,738 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 10:17:19,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:19,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 652 states and 859 transitions. [2018-11-18 10:17:19,768 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 859 transitions. [2018-11-18 10:17:19,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 10:17:19,769 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:19,820 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 10:17:20,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:20,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 655 states and 863 transitions. [2018-11-18 10:17:20,047 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 863 transitions. [2018-11-18 10:17:20,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 10:17:20,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:20,072 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 10:17:20,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:20,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 673 states and 884 transitions. [2018-11-18 10:17:20,601 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 884 transitions. [2018-11-18 10:17:20,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 10:17:20,602 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:20,624 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 10:17:20,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:20,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 675 states and 885 transitions. [2018-11-18 10:17:20,735 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 885 transitions. [2018-11-18 10:17:20,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 10:17:20,735 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:20,835 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 81 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-18 10:17:21,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:21,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 710 states and 922 transitions. [2018-11-18 10:17:21,373 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 922 transitions. [2018-11-18 10:17:21,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 10:17:21,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:21,402 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 10:17:21,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:21,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 717 states and 930 transitions. [2018-11-18 10:17:21,594 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 930 transitions. [2018-11-18 10:17:21,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 10:17:21,594 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:21,616 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:21,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:21,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 735 states and 948 transitions. [2018-11-18 10:17:21,672 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 948 transitions. [2018-11-18 10:17:21,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 10:17:21,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:21,748 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 10:17:21,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:21,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 740 states and 953 transitions. [2018-11-18 10:17:21,859 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 953 transitions. [2018-11-18 10:17:21,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 10:17:21,860 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:21,885 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:17:22,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:22,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 766 states and 980 transitions. [2018-11-18 10:17:22,264 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 980 transitions. [2018-11-18 10:17:22,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 10:17:22,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:22,350 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 78 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 10:17:23,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:23,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 786 states and 1008 transitions. [2018-11-18 10:17:23,226 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1008 transitions. [2018-11-18 10:17:23,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 10:17:23,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:23,310 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 78 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 10:17:23,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:23,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 790 states and 1012 transitions. [2018-11-18 10:17:23,490 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1012 transitions. [2018-11-18 10:17:23,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 10:17:23,491 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:23,569 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 78 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 10:17:23,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:23,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 794 states and 1016 transitions. [2018-11-18 10:17:23,809 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1016 transitions. [2018-11-18 10:17:23,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 10:17:23,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:23,857 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:17:24,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:24,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 833 states and 1060 transitions. [2018-11-18 10:17:24,835 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1060 transitions. [2018-11-18 10:17:24,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 10:17:24,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:24,860 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:17:25,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:25,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 835 states and 1061 transitions. [2018-11-18 10:17:25,205 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1061 transitions. [2018-11-18 10:17:25,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 10:17:25,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:25,281 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:17:25,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:25,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 847 states and 1072 transitions. [2018-11-18 10:17:25,331 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1072 transitions. [2018-11-18 10:17:25,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 10:17:25,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:25,356 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:17:26,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:26,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 871 states and 1098 transitions. [2018-11-18 10:17:26,569 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1098 transitions. [2018-11-18 10:17:26,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 10:17:26,570 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:26,619 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:27,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:27,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 876 states and 1108 transitions. [2018-11-18 10:17:27,005 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1108 transitions. [2018-11-18 10:17:27,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 10:17:27,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:27,026 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:17:27,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:27,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 878 states and 1111 transitions. [2018-11-18 10:17:27,356 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1111 transitions. [2018-11-18 10:17:27,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 10:17:27,357 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:27,378 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:17:27,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:27,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 882 states and 1114 transitions. [2018-11-18 10:17:27,398 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1114 transitions. [2018-11-18 10:17:27,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 10:17:27,399 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:27,420 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:17:27,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:27,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 885 states and 1116 transitions. [2018-11-18 10:17:27,554 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1116 transitions. [2018-11-18 10:17:27,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 10:17:27,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:27,575 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:17:27,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:27,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 913 states and 1144 transitions. [2018-11-18 10:17:27,649 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1144 transitions. [2018-11-18 10:17:27,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 10:17:27,650 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:27,672 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 10:17:28,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:28,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 938 states and 1173 transitions. [2018-11-18 10:17:28,164 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1173 transitions. [2018-11-18 10:17:28,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 10:17:28,166 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:28,203 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 10:17:28,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:28,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 952 states and 1186 transitions. [2018-11-18 10:17:28,366 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1186 transitions. [2018-11-18 10:17:28,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 10:17:28,366 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:28,390 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:28,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:28,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 953 states and 1188 transitions. [2018-11-18 10:17:28,620 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1188 transitions. [2018-11-18 10:17:28,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 10:17:28,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:28,641 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:17:28,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:28,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 957 states and 1192 transitions. [2018-11-18 10:17:28,825 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1192 transitions. [2018-11-18 10:17:28,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 10:17:28,826 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:28,879 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 10:17:28,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:28,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 958 states and 1193 transitions. [2018-11-18 10:17:28,911 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1193 transitions. [2018-11-18 10:17:28,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 10:17:28,912 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:28,934 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:17:28,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:28,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 962 states and 1197 transitions. [2018-11-18 10:17:28,972 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1197 transitions. [2018-11-18 10:17:28,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 10:17:28,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:29,007 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:17:29,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:29,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 982 states and 1220 transitions. [2018-11-18 10:17:29,351 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1220 transitions. [2018-11-18 10:17:29,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-18 10:17:29,351 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:29,374 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:17:29,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:29,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 986 states and 1225 transitions. [2018-11-18 10:17:29,395 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1225 transitions. [2018-11-18 10:17:29,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 10:17:29,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:29,799 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 135 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:17:30,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:30,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 996 states and 1245 transitions. [2018-11-18 10:17:30,873 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1245 transitions. [2018-11-18 10:17:30,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 10:17:30,874 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:30,920 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 135 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:17:31,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:31,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1004 states and 1254 transitions. [2018-11-18 10:17:31,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1254 transitions. [2018-11-18 10:17:31,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 10:17:31,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:31,465 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 135 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:17:31,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:31,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1012 states and 1263 transitions. [2018-11-18 10:17:31,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1263 transitions. [2018-11-18 10:17:31,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 10:17:31,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:31,951 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 86 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:17:32,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:32,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1033 states and 1290 transitions. [2018-11-18 10:17:32,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1290 transitions. [2018-11-18 10:17:32,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 10:17:32,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:32,657 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 10:17:33,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:33,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1044 states and 1299 transitions. [2018-11-18 10:17:33,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1299 transitions. [2018-11-18 10:17:33,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 10:17:33,148 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:33,184 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:17:34,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:34,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1089 states and 1346 transitions. [2018-11-18 10:17:34,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1346 transitions. [2018-11-18 10:17:34,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 10:17:34,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:34,718 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 10:17:34,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:34,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1095 states and 1351 transitions. [2018-11-18 10:17:34,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1351 transitions. [2018-11-18 10:17:34,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 10:17:34,748 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 10:17:35,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:35,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1128 states and 1388 transitions. [2018-11-18 10:17:35,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1388 transitions. [2018-11-18 10:17:35,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 10:17:35,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:35,218 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 102 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:17:35,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:35,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1136 states and 1397 transitions. [2018-11-18 10:17:35,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1397 transitions. [2018-11-18 10:17:35,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 10:17:35,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:35,838 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 10:17:35,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:35,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1139 states and 1400 transitions. [2018-11-18 10:17:35,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1400 transitions. [2018-11-18 10:17:35,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 10:17:35,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:35,930 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 10:17:36,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:36,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1145 states and 1405 transitions. [2018-11-18 10:17:36,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1405 transitions. [2018-11-18 10:17:36,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 10:17:36,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:36,218 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:17:37,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:37,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 1156 states and 1421 transitions. [2018-11-18 10:17:37,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1421 transitions. [2018-11-18 10:17:37,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 10:17:37,082 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:37,107 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:17:37,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:37,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1160 states and 1425 transitions. [2018-11-18 10:17:37,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1425 transitions. [2018-11-18 10:17:37,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 10:17:37,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:37,382 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 10:17:37,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:37,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1163 states and 1428 transitions. [2018-11-18 10:17:37,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1428 transitions. [2018-11-18 10:17:37,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 10:17:37,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:37,429 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 10:17:37,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:37,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1173 states and 1441 transitions. [2018-11-18 10:17:37,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1441 transitions. [2018-11-18 10:17:37,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 10:17:37,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:37,599 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 10:17:37,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:37,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1174 states and 1442 transitions. [2018-11-18 10:17:37,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1442 transitions. [2018-11-18 10:17:37,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 10:17:37,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:37,841 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 10:17:38,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:38,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1197 states and 1464 transitions. [2018-11-18 10:17:38,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1464 transitions. [2018-11-18 10:17:38,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 10:17:38,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:38,146 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 10:17:38,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:38,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1202 states and 1468 transitions. [2018-11-18 10:17:38,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1468 transitions. [2018-11-18 10:17:38,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 10:17:38,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:38,432 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:17:38,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:38,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1207 states and 1476 transitions. [2018-11-18 10:17:38,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1476 transitions. [2018-11-18 10:17:38,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 10:17:38,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:39,019 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:17:39,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:39,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1215 states and 1486 transitions. [2018-11-18 10:17:39,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1486 transitions. [2018-11-18 10:17:39,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 10:17:39,294 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:39,342 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:17:39,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:39,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1219 states and 1490 transitions. [2018-11-18 10:17:39,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1490 transitions. [2018-11-18 10:17:39,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 10:17:39,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:39,637 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:17:39,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:39,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1223 states and 1494 transitions. [2018-11-18 10:17:39,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1494 transitions. [2018-11-18 10:17:39,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 10:17:39,872 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:39,904 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:17:40,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:40,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1227 states and 1498 transitions. [2018-11-18 10:17:40,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1498 transitions. [2018-11-18 10:17:40,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 10:17:40,170 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:40,227 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 10:17:40,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:40,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1233 states and 1504 transitions. [2018-11-18 10:17:40,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1504 transitions. [2018-11-18 10:17:40,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 10:17:40,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:40,851 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-18 10:17:43,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:43,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1297 states and 1576 transitions. [2018-11-18 10:17:43,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1576 transitions. [2018-11-18 10:17:43,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 10:17:43,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:43,634 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-18 10:17:43,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:43,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1305 states and 1583 transitions. [2018-11-18 10:17:43,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1583 transitions. [2018-11-18 10:17:43,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 10:17:43,967 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:44,012 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-18 10:17:44,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:44,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1309 states and 1587 transitions. [2018-11-18 10:17:44,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1587 transitions. [2018-11-18 10:17:44,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 10:17:44,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:44,476 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:17:45,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:45,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1351 states and 1634 transitions. [2018-11-18 10:17:45,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1634 transitions. [2018-11-18 10:17:45,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 10:17:45,369 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:46,231 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 249 proven. 28 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-18 10:17:50,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:50,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1444 states and 1745 transitions. [2018-11-18 10:17:50,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1745 transitions. [2018-11-18 10:17:50,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 10:17:50,366 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:50,453 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 249 proven. 28 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-18 10:17:51,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:51,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1457 states and 1759 transitions. [2018-11-18 10:17:51,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 1759 transitions. [2018-11-18 10:17:51,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-11-18 10:17:51,611 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:51,662 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 208 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 10:17:53,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:53,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1510 states and 1815 transitions. [2018-11-18 10:17:53,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1815 transitions. [2018-11-18 10:17:53,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-11-18 10:17:53,029 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:53,076 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 208 proven. 1 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 10:17:53,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:53,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1511 states and 1815 transitions. [2018-11-18 10:17:53,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 1815 transitions. [2018-11-18 10:17:53,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-11-18 10:17:53,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:53,627 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-18 10:17:55,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:55,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1525 states and 1832 transitions. [2018-11-18 10:17:55,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1832 transitions. [2018-11-18 10:17:55,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 10:17:55,415 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:55,546 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 194 proven. 17 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 10:17:55,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:55,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1542 states and 1850 transitions. [2018-11-18 10:17:55,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1850 transitions. [2018-11-18 10:17:55,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 10:17:55,969 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:56,066 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 194 proven. 17 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 10:17:56,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:56,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1552 states and 1866 transitions. [2018-11-18 10:17:56,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1866 transitions. [2018-11-18 10:17:56,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 10:17:56,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:56,552 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 194 proven. 17 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 10:17:56,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:56,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1556 states and 1870 transitions. [2018-11-18 10:17:56,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 1870 transitions. [2018-11-18 10:17:56,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 10:17:56,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:56,942 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 194 proven. 17 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 10:17:57,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:57,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1560 states and 1874 transitions. [2018-11-18 10:17:57,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 1874 transitions. [2018-11-18 10:17:57,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 10:17:57,241 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:57,336 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 194 proven. 17 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 10:17:57,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:17:57,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 1564 states and 1878 transitions. [2018-11-18 10:17:57,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 1878 transitions. [2018-11-18 10:17:57,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 10:17:57,626 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:17:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:17:58,483 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 10:18:00,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:00,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1610 states and 1928 transitions. [2018-11-18 10:18:00,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 1928 transitions. [2018-11-18 10:18:00,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 10:18:00,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:00,369 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 10:18:02,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:02,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1631 states and 1952 transitions. [2018-11-18 10:18:02,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 1952 transitions. [2018-11-18 10:18:02,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 10:18:02,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:02,452 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 10:18:04,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:04,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1647 states and 1968 transitions. [2018-11-18 10:18:04,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 1968 transitions. [2018-11-18 10:18:04,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 10:18:04,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:04,384 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 10:18:05,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:05,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1669 states and 1989 transitions. [2018-11-18 10:18:05,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 1989 transitions. [2018-11-18 10:18:05,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 10:18:05,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:05,947 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 10:18:06,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:06,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 1681 states and 2000 transitions. [2018-11-18 10:18:06,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2000 transitions. [2018-11-18 10:18:06,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 10:18:06,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:06,557 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 10:18:06,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:06,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 1683 states and 2001 transitions. [2018-11-18 10:18:06,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2001 transitions. [2018-11-18 10:18:06,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-18 10:18:06,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:06,748 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 10:18:07,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:07,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 1685 states and 2002 transitions. [2018-11-18 10:18:07,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 2002 transitions. [2018-11-18 10:18:07,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-18 10:18:07,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:07,117 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 10:18:07,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:07,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 1687 states and 2004 transitions. [2018-11-18 10:18:07,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2004 transitions. [2018-11-18 10:18:07,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-18 10:18:07,293 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:07,337 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 10:18:08,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:08,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 1710 states and 2028 transitions. [2018-11-18 10:18:08,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2028 transitions. [2018-11-18 10:18:08,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-18 10:18:08,008 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:08,045 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 10:18:08,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:08,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 1715 states and 2032 transitions. [2018-11-18 10:18:08,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2032 transitions. [2018-11-18 10:18:08,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-11-18 10:18:08,361 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:08,423 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 159 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-18 10:18:08,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:08,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 1744 states and 2063 transitions. [2018-11-18 10:18:08,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2063 transitions. [2018-11-18 10:18:08,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-11-18 10:18:08,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:08,588 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 159 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-18 10:18:08,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:08,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 1749 states and 2068 transitions. [2018-11-18 10:18:08,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2068 transitions. [2018-11-18 10:18:08,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-11-18 10:18:08,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:08,966 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 159 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-18 10:18:09,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:09,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 1759 states and 2077 transitions. [2018-11-18 10:18:09,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2077 transitions. [2018-11-18 10:18:09,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-11-18 10:18:09,296 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:10,070 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 10:18:14,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:14,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 1790 states and 2115 transitions. [2018-11-18 10:18:14,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1790 states and 2115 transitions. [2018-11-18 10:18:14,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-11-18 10:18:14,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:14,136 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 10:18:16,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:16,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 1806 states and 2132 transitions. [2018-11-18 10:18:16,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2132 transitions. [2018-11-18 10:18:16,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-11-18 10:18:16,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:16,652 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 10:18:17,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:17,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2144 states to 1819 states and 2144 transitions. [2018-11-18 10:18:17,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2144 transitions. [2018-11-18 10:18:17,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-11-18 10:18:17,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:17,808 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 10:18:18,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:18,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 1831 states and 2155 transitions. [2018-11-18 10:18:18,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2155 transitions. [2018-11-18 10:18:18,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-11-18 10:18:18,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:19,758 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 10:18:24,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:24,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 1907 states and 2236 transitions. [2018-11-18 10:18:24,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 2236 transitions. [2018-11-18 10:18:24,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-11-18 10:18:24,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:24,408 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 10:18:25,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:25,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 1911 states and 2240 transitions. [2018-11-18 10:18:25,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2240 transitions. [2018-11-18 10:18:25,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-11-18 10:18:25,176 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:25,310 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 10:18:26,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 1915 states and 2244 transitions. [2018-11-18 10:18:26,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2244 transitions. [2018-11-18 10:18:26,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-18 10:18:26,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:26,589 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 301 proven. 61 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-18 10:18:30,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:30,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 1952 states and 2292 transitions. [2018-11-18 10:18:30,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2292 transitions. [2018-11-18 10:18:30,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-18 10:18:30,110 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:30,386 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 301 proven. 61 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-18 10:18:31,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:31,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 1959 states and 2299 transitions. [2018-11-18 10:18:31,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 2299 transitions. [2018-11-18 10:18:31,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-18 10:18:31,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 301 proven. 61 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-18 10:18:31,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:31,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 1963 states and 2302 transitions. [2018-11-18 10:18:31,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1963 states and 2302 transitions. [2018-11-18 10:18:31,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-18 10:18:31,888 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:32,805 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 10:18:35,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:35,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2320 states to 1979 states and 2320 transitions. [2018-11-18 10:18:35,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2320 transitions. [2018-11-18 10:18:35,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-18 10:18:35,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:35,618 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 10:18:38,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:38,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 1997 states and 2336 transitions. [2018-11-18 10:18:38,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 2336 transitions. [2018-11-18 10:18:38,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 10:18:38,353 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:38,405 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 10:18:40,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:40,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 2039 states and 2382 transitions. [2018-11-18 10:18:40,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2039 states and 2382 transitions. [2018-11-18 10:18:40,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 10:18:40,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:40,270 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 10:18:40,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:40,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 2054 states and 2397 transitions. [2018-11-18 10:18:40,943 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2397 transitions. [2018-11-18 10:18:40,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 10:18:40,944 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:40,987 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 315 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-18 10:18:43,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:43,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 2074 states and 2427 transitions. [2018-11-18 10:18:43,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2427 transitions. [2018-11-18 10:18:43,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 10:18:43,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:43,064 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 315 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-18 10:18:44,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:44,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2092 states and 2444 transitions. [2018-11-18 10:18:44,204 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2444 transitions. [2018-11-18 10:18:44,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 10:18:44,206 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:44,250 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 315 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-18 10:18:44,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:44,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 2100 states and 2451 transitions. [2018-11-18 10:18:44,975 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2451 transitions. [2018-11-18 10:18:44,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-18 10:18:44,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:45,022 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-11-18 10:18:47,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:47,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2133 states and 2487 transitions. [2018-11-18 10:18:47,772 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2487 transitions. [2018-11-18 10:18:47,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-18 10:18:47,773 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:47,820 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-11-18 10:18:48,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:48,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 2140 states and 2494 transitions. [2018-11-18 10:18:48,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2494 transitions. [2018-11-18 10:18:48,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-18 10:18:48,677 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:48,731 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 412 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-18 10:18:50,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:50,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2163 states and 2522 transitions. [2018-11-18 10:18:50,661 INFO L276 IsEmpty]: Start isEmpty. Operand 2163 states and 2522 transitions. [2018-11-18 10:18:50,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-18 10:18:50,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:50,718 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 412 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-18 10:18:51,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:51,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2528 states to 2168 states and 2528 transitions. [2018-11-18 10:18:51,551 INFO L276 IsEmpty]: Start isEmpty. Operand 2168 states and 2528 transitions. [2018-11-18 10:18:51,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-18 10:18:51,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:51,626 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 412 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-18 10:18:51,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:51,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 2170 states and 2529 transitions. [2018-11-18 10:18:51,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2170 states and 2529 transitions. [2018-11-18 10:18:51,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-18 10:18:51,950 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:52,004 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 412 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-18 10:18:52,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:52,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 2173 states and 2531 transitions. [2018-11-18 10:18:52,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2173 states and 2531 transitions. [2018-11-18 10:18:52,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-18 10:18:52,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:52,466 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-18 10:18:54,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:54,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2204 states and 2563 transitions. [2018-11-18 10:18:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2204 states and 2563 transitions. [2018-11-18 10:18:54,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-18 10:18:54,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:54,873 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 203 proven. 8 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-11-18 10:18:55,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:55,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2568 states to 2209 states and 2568 transitions. [2018-11-18 10:18:55,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2209 states and 2568 transitions. [2018-11-18 10:18:55,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-11-18 10:18:55,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:55,793 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 338 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2018-11-18 10:18:56,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 2227 states and 2587 transitions. [2018-11-18 10:18:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 2227 states and 2587 transitions. [2018-11-18 10:18:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-11-18 10:18:56,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:56,985 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 396 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 10:18:58,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:58,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2648 states to 2277 states and 2648 transitions. [2018-11-18 10:18:58,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 2648 transitions. [2018-11-18 10:18:58,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-11-18 10:18:58,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:58,847 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 396 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 10:18:59,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:18:59,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2283 states and 2654 transitions. [2018-11-18 10:18:59,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 2654 transitions. [2018-11-18 10:18:59,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-11-18 10:18:59,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:18:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:18:59,874 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 396 proven. 7 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 10:19:00,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:00,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2295 states and 2664 transitions. [2018-11-18 10:19:00,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 2664 transitions. [2018-11-18 10:19:00,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 10:19:00,334 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:00,406 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 316 proven. 2 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-11-18 10:19:00,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:00,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 2306 states and 2673 transitions. [2018-11-18 10:19:00,847 INFO L276 IsEmpty]: Start isEmpty. Operand 2306 states and 2673 transitions. [2018-11-18 10:19:00,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-11-18 10:19:00,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:00,941 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 522 proven. 5 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-11-18 10:19:01,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:01,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2343 states and 2710 transitions. [2018-11-18 10:19:01,425 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 2710 transitions. [2018-11-18 10:19:01,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-11-18 10:19:01,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:01,512 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 522 proven. 5 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-11-18 10:19:01,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:01,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 2159 states and 2504 transitions. [2018-11-18 10:19:01,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 2504 transitions. [2018-11-18 10:19:01,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:19:01,572 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 163 iterations. [2018-11-18 10:19:01,578 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 10:19:01,698 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 43 [2018-11-18 10:19:02,052 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 17 [2018-11-18 10:19:03,326 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 17 [2018-11-18 10:19:03,819 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 43 [2018-11-18 10:19:04,754 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 43 [2018-11-18 10:19:04,879 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 17 [2018-11-18 10:19:04,987 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 17 [2018-11-18 10:19:06,327 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 43 [2018-11-18 10:19:06,564 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 17 [2018-11-18 10:19:06,942 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 17 [2018-11-18 10:19:07,110 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 43 [2018-11-18 10:19:07,253 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:19:07,255 INFO L579 CodeCheckObserver]: Invariant with dag size 17 [2018-11-18 10:19:07,259 INFO L579 CodeCheckObserver]: Invariant with dag size 17 [2018-11-18 10:19:07,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:19:07 ImpRootNode [2018-11-18 10:19:07,260 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:19:07,260 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:19:07,260 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:19:07,260 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:19:07,261 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:17:02" (3/4) ... [2018-11-18 10:19:07,263 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:19:07,277 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-11-18 10:19:07,278 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 10:19:07,278 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 10:19:07,279 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 10:19:07,359 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d83ab970-8e30-4ce2-b5df-7902bf8319f2/bin-2019/ukojak/witness.graphml [2018-11-18 10:19:07,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:19:07,360 INFO L168 Benchmark]: Toolchain (without parser) took 127198.98 ms. Allocated memory was 1.0 GB in the beginning and 3.8 GB in the end (delta: 2.8 GB). Free memory was 956.4 MB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-18 10:19:07,360 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:19:07,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.10 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 924.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:19:07,360 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 924.2 MB in the beginning and 1.2 GB in the end (delta: -228.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:19:07,360 INFO L168 Benchmark]: Boogie Preprocessor took 40.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:19:07,361 INFO L168 Benchmark]: RCFGBuilder took 1645.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 904.2 MB in the end (delta: 238.7 MB). Peak memory consumption was 238.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:19:07,361 INFO L168 Benchmark]: CodeCheck took 124933.55 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.6 GB). Free memory was 904.2 MB in the beginning and 2.5 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-11-18 10:19:07,361 INFO L168 Benchmark]: Witness Printer took 98.81 ms. Allocated memory is still 3.8 GB. Free memory is still 2.5 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:19:07,362 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, 119.2s OverallTime, 163 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 942507072 SDtfs, 2070584544 SDslu, -1586060032 SDs, 0 SdLazy, 2011490600 SolverSat, -1371777680 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 399.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 191011 GetRequests, 186403 SyntacticMatches, 3316 SemanticMatches, 1292 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1276915 ImplicationChecksByTransitivity, 102.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 11.7s InterpolantComputationTime, 29741 NumberOfCodeBlocks, 29741 NumberOfCodeBlocksAsserted, 162 NumberOfCheckSat, 29579 ConstructedInterpolants, 0 QuantifiedInterpolants, 23182833 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 162 InterpolantComputations, 118 PerfectInterpolantSequences, 28760/29307 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: 442]: 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: (!(a11 == 1) || (!(a28 == 8) && !(a28 == 9))) || (a28 == 9 && !(a17 == 9)) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (!(a11 == 1) || (!(a28 == 8) && !(a28 == 9))) || (a28 == 9 && !(a17 == 9)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 374.10 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 924.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 102.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 924.2 MB in the beginning and 1.2 GB in the end (delta: -228.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1645.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 904.2 MB in the end (delta: 238.7 MB). Peak memory consumption was 238.7 MB. Max. memory is 11.5 GB. * CodeCheck took 124933.55 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.6 GB). Free memory was 904.2 MB in the beginning and 2.5 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. * Witness Printer took 98.81 ms. Allocated memory is still 3.8 GB. Free memory is still 2.5 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...