./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label45_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_541b27f3-167b-418f-8908-64dfa0157930/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_541b27f3-167b-418f-8908-64dfa0157930/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_541b27f3-167b-418f-8908-64dfa0157930/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_541b27f3-167b-418f-8908-64dfa0157930/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label45_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_541b27f3-167b-418f-8908-64dfa0157930/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_541b27f3-167b-418f-8908-64dfa0157930/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 6c1fad4c0512d9a273ed1e7c88caaf722fcdaad1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 18:25:22,684 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 18:25:22,685 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 18:25:22,691 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 18:25:22,691 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 18:25:22,691 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 18:25:22,692 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 18:25:22,693 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 18:25:22,694 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 18:25:22,694 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 18:25:22,695 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 18:25:22,695 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 18:25:22,695 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 18:25:22,696 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 18:25:22,696 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 18:25:22,697 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 18:25:22,697 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 18:25:22,698 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 18:25:22,699 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 18:25:22,700 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 18:25:22,701 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 18:25:22,701 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 18:25:22,703 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 18:25:22,703 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 18:25:22,703 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 18:25:22,703 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 18:25:22,704 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 18:25:22,704 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 18:25:22,705 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 18:25:22,705 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 18:25:22,705 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 18:25:22,706 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 18:25:22,706 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 18:25:22,706 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 18:25:22,706 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 18:25:22,707 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 18:25:22,707 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_541b27f3-167b-418f-8908-64dfa0157930/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 18:25:22,714 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 18:25:22,714 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 18:25:22,715 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 18:25:22,715 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 18:25:22,715 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 18:25:22,715 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 18:25:22,716 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 18:25:22,716 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 18:25:22,716 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 18:25:22,716 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 18:25:22,716 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 18:25:22,716 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 18:25:22,716 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 18:25:22,716 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 18:25:22,716 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 18:25:22,716 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 18:25:22,717 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 18:25:22,717 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 18:25:22,717 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 18:25:22,717 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 18:25:22,717 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 18:25:22,717 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 18:25:22,717 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 18:25:22,717 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 18:25:22,717 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 18:25:22,718 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 18:25:22,718 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 18:25:22,718 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 18:25:22,718 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 18:25:22,718 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_541b27f3-167b-418f-8908-64dfa0157930/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 -> 6c1fad4c0512d9a273ed1e7c88caaf722fcdaad1 [2018-12-08 18:25:22,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 18:25:22,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 18:25:22,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 18:25:22,744 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 18:25:22,744 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 18:25:22,745 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_541b27f3-167b-418f-8908-64dfa0157930/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label45_true-unreach-call_false-termination.c [2018-12-08 18:25:22,779 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_541b27f3-167b-418f-8908-64dfa0157930/bin-2019/ukojak/data/78f20ef21/c386d437dd7f449089036dd9750bf783/FLAGa2cfbb1aa [2018-12-08 18:25:23,202 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 18:25:23,202 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_541b27f3-167b-418f-8908-64dfa0157930/sv-benchmarks/c/eca-rers2012/Problem01_label45_true-unreach-call_false-termination.c [2018-12-08 18:25:23,210 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_541b27f3-167b-418f-8908-64dfa0157930/bin-2019/ukojak/data/78f20ef21/c386d437dd7f449089036dd9750bf783/FLAGa2cfbb1aa [2018-12-08 18:25:23,218 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_541b27f3-167b-418f-8908-64dfa0157930/bin-2019/ukojak/data/78f20ef21/c386d437dd7f449089036dd9750bf783 [2018-12-08 18:25:23,220 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 18:25:23,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 18:25:23,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 18:25:23,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 18:25:23,223 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 18:25:23,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:25:23" (1/1) ... [2018-12-08 18:25:23,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:25:23, skipping insertion in model container [2018-12-08 18:25:23,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:25:23" (1/1) ... [2018-12-08 18:25:23,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 18:25:23,260 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 18:25:23,456 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:25:23,459 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 18:25:23,569 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:25:23,581 INFO L195 MainTranslator]: Completed translation [2018-12-08 18:25:23,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:25:23 WrapperNode [2018-12-08 18:25:23,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 18:25:23,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 18:25:23,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 18:25:23,582 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 18:25:23,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:25:23" (1/1) ... [2018-12-08 18:25:23,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:25:23" (1/1) ... [2018-12-08 18:25:23,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 18:25:23,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 18:25:23,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 18:25:23,628 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 18:25:23,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:25:23" (1/1) ... [2018-12-08 18:25:23,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:25:23" (1/1) ... [2018-12-08 18:25:23,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:25:23" (1/1) ... [2018-12-08 18:25:23,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:25:23" (1/1) ... [2018-12-08 18:25:23,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:25:23" (1/1) ... [2018-12-08 18:25:23,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:25:23" (1/1) ... [2018-12-08 18:25:23,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:25:23" (1/1) ... [2018-12-08 18:25:23,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 18:25:23,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 18:25:23,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 18:25:23,657 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 18:25:23,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:25:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_541b27f3-167b-418f-8908-64dfa0157930/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 [2018-12-08 18:25:23,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 18:25:23,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 18:25:24,645 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 18:25:24,645 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 18:25:24,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:25:24 BoogieIcfgContainer [2018-12-08 18:25:24,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 18:25:24,646 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 18:25:24,646 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 18:25:24,656 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 18:25:24,657 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:25:24" (1/1) ... [2018-12-08 18:25:24,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:25:24,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:24,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-08 18:25:24,697 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-08 18:25:24,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-08 18:25:24,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:24,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:25,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:25,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 145 states and 237 transitions. [2018-12-08 18:25:25,251 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 237 transitions. [2018-12-08 18:25:25,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 18:25:25,252 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:25,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:25:25,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:25,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 146 states and 238 transitions. [2018-12-08 18:25:25,450 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 238 transitions. [2018-12-08 18:25:25,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-08 18:25:25,451 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:25,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:25,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:25,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 150 states and 245 transitions. [2018-12-08 18:25:25,563 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 245 transitions. [2018-12-08 18:25:25,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 18:25:25,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:25,578 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:25:25,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:25,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 151 states and 246 transitions. [2018-12-08 18:25:25,664 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 246 transitions. [2018-12-08 18:25:25,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 18:25:25,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:25,698 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:25,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:25,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 159 states and 261 transitions. [2018-12-08 18:25:25,861 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 261 transitions. [2018-12-08 18:25:25,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-08 18:25:25,862 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:25,894 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 18:25:26,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:26,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 170 states and 280 transitions. [2018-12-08 18:25:26,178 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 280 transitions. [2018-12-08 18:25:26,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 18:25:26,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:26,212 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:26,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:26,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 171 states and 281 transitions. [2018-12-08 18:25:26,235 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 281 transitions. [2018-12-08 18:25:26,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 18:25:26,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:26,290 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:26,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:26,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 177 states and 288 transitions. [2018-12-08 18:25:26,396 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 288 transitions. [2018-12-08 18:25:26,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-08 18:25:26,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:26,456 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:26,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:26,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 191 states and 307 transitions. [2018-12-08 18:25:26,877 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 307 transitions. [2018-12-08 18:25:26,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 18:25:26,878 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:26,929 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:27,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:27,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 200 states and 325 transitions. [2018-12-08 18:25:27,190 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 325 transitions. [2018-12-08 18:25:27,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 18:25:27,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:27,213 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:27,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:27,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 201 states and 327 transitions. [2018-12-08 18:25:27,291 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 327 transitions. [2018-12-08 18:25:27,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 18:25:27,292 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:27,305 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:27,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:27,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 202 states and 329 transitions. [2018-12-08 18:25:27,317 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 329 transitions. [2018-12-08 18:25:27,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 18:25:27,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:27,333 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:25:27,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:27,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 203 states and 330 transitions. [2018-12-08 18:25:27,358 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 330 transitions. [2018-12-08 18:25:27,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 18:25:27,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:27,419 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:27,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:27,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 214 states and 347 transitions. [2018-12-08 18:25:27,858 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 347 transitions. [2018-12-08 18:25:27,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 18:25:27,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:27,873 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:27,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:27,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 218 states and 354 transitions. [2018-12-08 18:25:27,930 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 354 transitions. [2018-12-08 18:25:27,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-08 18:25:27,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:25:28,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:28,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 220 states and 355 transitions. [2018-12-08 18:25:28,006 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 355 transitions. [2018-12-08 18:25:28,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-08 18:25:28,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:28,027 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 18:25:28,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:28,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 225 states and 360 transitions. [2018-12-08 18:25:28,234 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 360 transitions. [2018-12-08 18:25:28,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 18:25:28,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:28,286 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:28,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:28,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 227 states and 363 transitions. [2018-12-08 18:25:28,424 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 363 transitions. [2018-12-08 18:25:28,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 18:25:28,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:28,439 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:29,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:29,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 238 states and 378 transitions. [2018-12-08 18:25:29,003 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 378 transitions. [2018-12-08 18:25:29,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-08 18:25:29,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:29,024 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:25:29,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:29,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 249 states and 388 transitions. [2018-12-08 18:25:29,286 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 388 transitions. [2018-12-08 18:25:29,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-08 18:25:29,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:29,302 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 18:25:29,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:29,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 251 states and 389 transitions. [2018-12-08 18:25:29,388 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 389 transitions. [2018-12-08 18:25:29,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-08 18:25:29,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:29,457 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:30,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:30,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 275 states and 423 transitions. [2018-12-08 18:25:30,154 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 423 transitions. [2018-12-08 18:25:30,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 18:25:30,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:30,167 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 18:25:30,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:30,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 278 states and 426 transitions. [2018-12-08 18:25:30,180 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 426 transitions. [2018-12-08 18:25:30,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 18:25:30,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:30,193 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 18:25:30,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:30,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 280 states and 431 transitions. [2018-12-08 18:25:30,303 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 431 transitions. [2018-12-08 18:25:30,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 18:25:30,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:30,334 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:30,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:30,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 283 states and 434 transitions. [2018-12-08 18:25:30,350 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 434 transitions. [2018-12-08 18:25:30,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 18:25:30,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:30,363 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:30,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:30,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 298 states and 451 transitions. [2018-12-08 18:25:30,682 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 451 transitions. [2018-12-08 18:25:30,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 18:25:30,683 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:30,695 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:30,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:30,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 301 states and 454 transitions. [2018-12-08 18:25:30,814 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 454 transitions. [2018-12-08 18:25:30,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 18:25:30,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:30,872 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:31,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:31,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 326 states and 489 transitions. [2018-12-08 18:25:31,707 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 489 transitions. [2018-12-08 18:25:31,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 18:25:31,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:31,760 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:32,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:32,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 340 states and 504 transitions. [2018-12-08 18:25:32,331 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 504 transitions. [2018-12-08 18:25:32,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 18:25:32,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:32,615 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:35,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:35,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 365 states and 547 transitions. [2018-12-08 18:25:35,164 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 547 transitions. [2018-12-08 18:25:35,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 18:25:35,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:35,301 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:36,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:36,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 382 states and 570 transitions. [2018-12-08 18:25:36,906 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 570 transitions. [2018-12-08 18:25:36,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 18:25:36,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:37,010 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:37,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:37,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 393 states and 583 transitions. [2018-12-08 18:25:37,445 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 583 transitions. [2018-12-08 18:25:37,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 18:25:37,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:37,574 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:37,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:37,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 394 states and 583 transitions. [2018-12-08 18:25:37,733 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 583 transitions. [2018-12-08 18:25:37,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 18:25:37,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:37,750 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:37,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:37,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 396 states and 586 transitions. [2018-12-08 18:25:37,772 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 586 transitions. [2018-12-08 18:25:37,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 18:25:37,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:38,036 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:39,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:39,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 410 states and 610 transitions. [2018-12-08 18:25:39,133 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 610 transitions. [2018-12-08 18:25:39,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 18:25:39,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:39,242 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:39,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:39,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 421 states and 621 transitions. [2018-12-08 18:25:39,623 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 621 transitions. [2018-12-08 18:25:39,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 18:25:39,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:39,638 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:25:40,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:40,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 435 states and 637 transitions. [2018-12-08 18:25:40,441 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 637 transitions. [2018-12-08 18:25:40,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 18:25:40,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:40,468 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 18:25:41,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:41,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 443 states and 648 transitions. [2018-12-08 18:25:41,090 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 648 transitions. [2018-12-08 18:25:41,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 18:25:41,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:41,104 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 18:25:41,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:41,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 447 states and 651 transitions. [2018-12-08 18:25:41,216 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 651 transitions. [2018-12-08 18:25:41,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 18:25:41,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:41,231 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:42,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:42,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 475 states and 683 transitions. [2018-12-08 18:25:42,679 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 683 transitions. [2018-12-08 18:25:42,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 18:25:42,680 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:42,702 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:45,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:45,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 499 states and 713 transitions. [2018-12-08 18:25:45,780 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 713 transitions. [2018-12-08 18:25:45,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 18:25:45,780 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:46,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:46,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 511 states and 729 transitions. [2018-12-08 18:25:46,185 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 729 transitions. [2018-12-08 18:25:46,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 18:25:46,186 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:46,308 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:47,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:47,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 520 states and 737 transitions. [2018-12-08 18:25:47,422 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 737 transitions. [2018-12-08 18:25:47,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 18:25:47,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:47,457 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 18:25:48,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:48,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 607 states and 830 transitions. [2018-12-08 18:25:48,383 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 830 transitions. [2018-12-08 18:25:48,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-08 18:25:48,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:48,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:48,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 618 states and 845 transitions. [2018-12-08 18:25:48,604 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 845 transitions. [2018-12-08 18:25:48,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-08 18:25:48,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:48,640 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:48,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:48,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 620 states and 847 transitions. [2018-12-08 18:25:48,656 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 847 transitions. [2018-12-08 18:25:48,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-08 18:25:48,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:48,671 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:49,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:49,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 629 states and 858 transitions. [2018-12-08 18:25:49,139 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 858 transitions. [2018-12-08 18:25:49,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-08 18:25:49,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:49,162 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:51,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:51,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 666 states and 915 transitions. [2018-12-08 18:25:51,668 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 915 transitions. [2018-12-08 18:25:51,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-08 18:25:51,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:51,689 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:52,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:52,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 680 states and 929 transitions. [2018-12-08 18:25:52,514 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 929 transitions. [2018-12-08 18:25:52,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-08 18:25:52,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:52,539 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:53,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:53,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 688 states and 938 transitions. [2018-12-08 18:25:53,220 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 938 transitions. [2018-12-08 18:25:53,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-08 18:25:53,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:53,256 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:54,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:54,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 693 states and 945 transitions. [2018-12-08 18:25:54,256 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 945 transitions. [2018-12-08 18:25:54,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-08 18:25:54,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:54,314 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:54,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:54,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 700 states and 952 transitions. [2018-12-08 18:25:54,531 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 952 transitions. [2018-12-08 18:25:54,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-08 18:25:54,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:54,552 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:54,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:54,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 701 states and 952 transitions. [2018-12-08 18:25:54,749 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 952 transitions. [2018-12-08 18:25:54,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-08 18:25:54,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:54,764 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 18:25:55,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:55,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 712 states and 970 transitions. [2018-12-08 18:25:55,243 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 970 transitions. [2018-12-08 18:25:55,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-08 18:25:55,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:55,258 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 18:25:55,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:55,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 714 states and 972 transitions. [2018-12-08 18:25:55,352 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 972 transitions. [2018-12-08 18:25:55,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-08 18:25:55,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:55,367 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 18:25:55,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:55,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 719 states and 977 transitions. [2018-12-08 18:25:55,554 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 977 transitions. [2018-12-08 18:25:55,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-08 18:25:55,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:55,734 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 18:25:57,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:57,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 750 states and 1012 transitions. [2018-12-08 18:25:57,053 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1012 transitions. [2018-12-08 18:25:57,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-08 18:25:57,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:57,364 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:59,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:59,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 792 states and 1056 transitions. [2018-12-08 18:25:59,083 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1056 transitions. [2018-12-08 18:25:59,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-08 18:25:59,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:59,283 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:25:59,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:25:59,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 805 states and 1074 transitions. [2018-12-08 18:25:59,795 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1074 transitions. [2018-12-08 18:25:59,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-08 18:25:59,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:25:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:25:59,942 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:26:01,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:01,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 818 states and 1107 transitions. [2018-12-08 18:26:01,858 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1107 transitions. [2018-12-08 18:26:01,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-08 18:26:01,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:01,933 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:26:02,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:02,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 823 states and 1117 transitions. [2018-12-08 18:26:02,368 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1117 transitions. [2018-12-08 18:26:02,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-08 18:26:02,369 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:02,432 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:26:02,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:02,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 828 states and 1125 transitions. [2018-12-08 18:26:02,878 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1125 transitions. [2018-12-08 18:26:02,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-08 18:26:02,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:02,904 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:26:03,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:03,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 836 states and 1133 transitions. [2018-12-08 18:26:03,385 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1133 transitions. [2018-12-08 18:26:03,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-08 18:26:03,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:03,405 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 18:26:05,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:05,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 873 states and 1179 transitions. [2018-12-08 18:26:05,054 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1179 transitions. [2018-12-08 18:26:05,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-08 18:26:05,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:05,083 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 18:26:05,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:05,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 881 states and 1187 transitions. [2018-12-08 18:26:05,333 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1187 transitions. [2018-12-08 18:26:05,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-08 18:26:05,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:05,352 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 18:26:05,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:05,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 882 states and 1187 transitions. [2018-12-08 18:26:05,585 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1187 transitions. [2018-12-08 18:26:05,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 18:26:05,586 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:05,603 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 18:26:07,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:07,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 906 states and 1216 transitions. [2018-12-08 18:26:07,155 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1216 transitions. [2018-12-08 18:26:07,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 18:26:07,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:07,175 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 18:26:07,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:07,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 917 states and 1230 transitions. [2018-12-08 18:26:07,820 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1230 transitions. [2018-12-08 18:26:07,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 18:26:07,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:07,844 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 18:26:09,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:09,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 924 states and 1236 transitions. [2018-12-08 18:26:09,201 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1236 transitions. [2018-12-08 18:26:09,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 18:26:09,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:09,219 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 18:26:09,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:09,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 929 states and 1240 transitions. [2018-12-08 18:26:09,570 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1240 transitions. [2018-12-08 18:26:09,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 18:26:09,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:09,726 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 18:26:10,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:10,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 938 states and 1258 transitions. [2018-12-08 18:26:10,764 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1258 transitions. [2018-12-08 18:26:10,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 18:26:10,765 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:11,212 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 18:26:14,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:14,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 987 states and 1317 transitions. [2018-12-08 18:26:14,827 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1317 transitions. [2018-12-08 18:26:14,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-08 18:26:14,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:14,877 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:26:14,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:14,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1004 states and 1334 transitions. [2018-12-08 18:26:14,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1334 transitions. [2018-12-08 18:26:14,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 18:26:14,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:15,604 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:26:19,103 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2018-12-08 18:26:19,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:19,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1034 states and 1371 transitions. [2018-12-08 18:26:19,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1371 transitions. [2018-12-08 18:26:19,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-08 18:26:19,745 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:20,187 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:26:21,192 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-08 18:26:23,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:23,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1059 states and 1398 transitions. [2018-12-08 18:26:23,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1398 transitions. [2018-12-08 18:26:23,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 18:26:23,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:23,935 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2018-12-08 18:26:25,047 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 18:26:25,405 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2018-12-08 18:26:28,043 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2018-12-08 18:26:32,145 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 26 [2018-12-08 18:26:32,615 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-08 18:26:35,058 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2018-12-08 18:26:36,689 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2018-12-08 18:26:39,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:39,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1114 states and 1457 transitions. [2018-12-08 18:26:39,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1457 transitions. [2018-12-08 18:26:39,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-08 18:26:39,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:39,248 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-08 18:26:39,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:39,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1123 states and 1466 transitions. [2018-12-08 18:26:39,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1466 transitions. [2018-12-08 18:26:39,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 18:26:39,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:40,119 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:26:42,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:42,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1181 states and 1536 transitions. [2018-12-08 18:26:42,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1536 transitions. [2018-12-08 18:26:42,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 18:26:42,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:42,917 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:26:43,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:43,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1192 states and 1546 transitions. [2018-12-08 18:26:43,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1546 transitions. [2018-12-08 18:26:43,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 18:26:43,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:43,640 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 18:26:43,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:43,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1209 states and 1564 transitions. [2018-12-08 18:26:43,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1564 transitions. [2018-12-08 18:26:43,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 18:26:43,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:43,725 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 18:26:43,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:43,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1211 states and 1566 transitions. [2018-12-08 18:26:43,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1566 transitions. [2018-12-08 18:26:43,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 18:26:43,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:43,818 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-08 18:26:43,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:43,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1212 states and 1566 transitions. [2018-12-08 18:26:43,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1566 transitions. [2018-12-08 18:26:43,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 18:26:43,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:43,879 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:26:46,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:46,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1249 states and 1609 transitions. [2018-12-08 18:26:46,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1609 transitions. [2018-12-08 18:26:46,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 18:26:46,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:46,240 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:26:47,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:47,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1278 states and 1640 transitions. [2018-12-08 18:26:47,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1640 transitions. [2018-12-08 18:26:47,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 18:26:47,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:47,250 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:26:47,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:47,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1287 states and 1648 transitions. [2018-12-08 18:26:47,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1648 transitions. [2018-12-08 18:26:47,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-08 18:26:47,671 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:47,870 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 18:26:49,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:49,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1300 states and 1665 transitions. [2018-12-08 18:26:49,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1665 transitions. [2018-12-08 18:26:49,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 18:26:49,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:50,329 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 18:26:51,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:51,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1330 states and 1701 transitions. [2018-12-08 18:26:51,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1701 transitions. [2018-12-08 18:26:51,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 18:26:51,975 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:52,106 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 18:26:52,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:52,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1339 states and 1711 transitions. [2018-12-08 18:26:52,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1711 transitions. [2018-12-08 18:26:52,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-08 18:26:52,738 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:52,764 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:26:53,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:53,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1347 states and 1727 transitions. [2018-12-08 18:26:53,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1727 transitions. [2018-12-08 18:26:53,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 18:26:53,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:26:53,747 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 91 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:26:55,530 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2018-12-08 18:26:55,841 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27 [2018-12-08 18:26:59,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:26:59,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1387 states and 1773 transitions. [2018-12-08 18:26:59,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1773 transitions. [2018-12-08 18:26:59,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-08 18:26:59,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:26:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:00,190 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 124 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 18:27:01,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:01,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1398 states and 1784 transitions. [2018-12-08 18:27:01,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1784 transitions. [2018-12-08 18:27:01,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-08 18:27:01,317 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:01,359 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 18:27:01,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:01,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1400 states and 1790 transitions. [2018-12-08 18:27:01,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1790 transitions. [2018-12-08 18:27:01,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-08 18:27:01,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:01,458 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 18:27:01,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:01,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1404 states and 1795 transitions. [2018-12-08 18:27:01,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1795 transitions. [2018-12-08 18:27:01,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-08 18:27:01,791 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:01,821 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 18:27:02,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:02,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1409 states and 1799 transitions. [2018-12-08 18:27:02,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1799 transitions. [2018-12-08 18:27:02,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 18:27:02,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:02,455 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 18:27:04,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:04,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1439 states and 1833 transitions. [2018-12-08 18:27:04,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 1833 transitions. [2018-12-08 18:27:04,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-08 18:27:04,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:04,517 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 18:27:05,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:05,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1469 states and 1865 transitions. [2018-12-08 18:27:05,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1865 transitions. [2018-12-08 18:27:05,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-08 18:27:05,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:05,834 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-08 18:27:06,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:06,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1473 states and 1876 transitions. [2018-12-08 18:27:06,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1876 transitions. [2018-12-08 18:27:06,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-08 18:27:06,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:06,990 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 18:27:08,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:08,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1480 states and 1881 transitions. [2018-12-08 18:27:08,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 1881 transitions. [2018-12-08 18:27:08,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-08 18:27:08,052 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:08,983 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:27:11,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:11,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1510 states and 1919 transitions. [2018-12-08 18:27:11,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1919 transitions. [2018-12-08 18:27:11,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-08 18:27:11,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:11,612 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-08 18:27:13,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:13,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1528 states and 1943 transitions. [2018-12-08 18:27:13,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1943 transitions. [2018-12-08 18:27:13,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-08 18:27:13,161 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:13,202 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-08 18:27:14,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:14,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1532 states and 1951 transitions. [2018-12-08 18:27:14,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1951 transitions. [2018-12-08 18:27:14,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-08 18:27:14,218 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:14,247 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-08 18:27:17,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:17,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1543 states and 1965 transitions. [2018-12-08 18:27:17,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 1965 transitions. [2018-12-08 18:27:17,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-08 18:27:17,361 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:17,397 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 18:27:19,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:19,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1546 states and 1969 transitions. [2018-12-08 18:27:19,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 1969 transitions. [2018-12-08 18:27:19,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-08 18:27:19,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:19,220 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 18:27:19,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:19,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1970 states to 1548 states and 1970 transitions. [2018-12-08 18:27:19,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1970 transitions. [2018-12-08 18:27:19,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-08 18:27:19,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:19,455 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 18:27:20,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:20,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1553 states and 1974 transitions. [2018-12-08 18:27:20,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1974 transitions. [2018-12-08 18:27:20,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-08 18:27:20,211 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:21,747 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:27:23,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:23,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 1586 states and 2011 transitions. [2018-12-08 18:27:23,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 2011 transitions. [2018-12-08 18:27:23,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-08 18:27:23,726 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:23,908 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:27:24,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:24,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 1603 states and 2028 transitions. [2018-12-08 18:27:24,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2028 transitions. [2018-12-08 18:27:24,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-08 18:27:24,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:24,821 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 18:27:24,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:24,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 1605 states and 2030 transitions. [2018-12-08 18:27:24,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2030 transitions. [2018-12-08 18:27:24,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-08 18:27:24,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:25,225 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:27:28,045 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-08 18:27:29,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:29,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 1611 states and 2039 transitions. [2018-12-08 18:27:29,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1611 states and 2039 transitions. [2018-12-08 18:27:29,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-08 18:27:29,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:29,910 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:27:32,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:32,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 1628 states and 2059 transitions. [2018-12-08 18:27:32,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 2059 transitions. [2018-12-08 18:27:32,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-08 18:27:32,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:32,746 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:27:33,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:33,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 1640 states and 2070 transitions. [2018-12-08 18:27:33,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 2070 transitions. [2018-12-08 18:27:33,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-08 18:27:33,557 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:33,615 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:27:33,909 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-08 18:27:35,873 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-08 18:27:36,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:36,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 1649 states and 2078 transitions. [2018-12-08 18:27:36,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2078 transitions. [2018-12-08 18:27:36,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-08 18:27:36,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:37,094 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 18:27:38,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:38,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 1686 states and 2121 transitions. [2018-12-08 18:27:38,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 2121 transitions. [2018-12-08 18:27:38,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-08 18:27:38,950 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:39,166 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 18:27:41,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:41,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1722 states and 2159 transitions. [2018-12-08 18:27:41,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2159 transitions. [2018-12-08 18:27:41,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-08 18:27:41,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:41,555 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 18:27:42,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:42,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 1727 states and 2164 transitions. [2018-12-08 18:27:42,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2164 transitions. [2018-12-08 18:27:42,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-08 18:27:42,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:42,902 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 18:27:46,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:46,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 1737 states and 2173 transitions. [2018-12-08 18:27:46,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 2173 transitions. [2018-12-08 18:27:46,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-08 18:27:46,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:46,246 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 18:27:47,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 1742 states and 2177 transitions. [2018-12-08 18:27:47,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2177 transitions. [2018-12-08 18:27:47,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-08 18:27:47,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:47,451 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 183 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 18:27:49,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:49,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 1746 states and 2182 transitions. [2018-12-08 18:27:49,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2182 transitions. [2018-12-08 18:27:49,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 18:27:49,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:49,325 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 5 proven. 109 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-08 18:27:51,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:51,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2286 states to 1838 states and 2286 transitions. [2018-12-08 18:27:51,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2286 transitions. [2018-12-08 18:27:51,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 18:27:51,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:51,652 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:27:56,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:56,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2351 states to 1898 states and 2351 transitions. [2018-12-08 18:27:56,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 2351 transitions. [2018-12-08 18:27:56,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 18:27:56,058 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:56,394 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 18:27:58,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:58,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 1926 states and 2382 transitions. [2018-12-08 18:27:58,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2382 transitions. [2018-12-08 18:27:58,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 18:27:58,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:27:58,315 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 18:27:58,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:27:58,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2421 states to 1967 states and 2421 transitions. [2018-12-08 18:27:58,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1967 states and 2421 transitions. [2018-12-08 18:27:58,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 18:27:58,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:27:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:28:00,285 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 18:28:02,303 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-08 18:28:03,885 WARN L180 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2018-12-08 18:28:07,092 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-12-08 18:28:09,520 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2018-12-08 18:28:11,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:28:11,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2472 states to 2015 states and 2472 transitions. [2018-12-08 18:28:11,404 INFO L276 IsEmpty]: Start isEmpty. Operand 2015 states and 2472 transitions. [2018-12-08 18:28:11,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 18:28:11,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:28:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:28:12,443 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:28:18,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:28:18,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2060 states and 2523 transitions. [2018-12-08 18:28:18,625 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2523 transitions. [2018-12-08 18:28:18,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 18:28:18,628 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:28:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:28:19,038 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:28:19,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:28:19,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2082 states and 2545 transitions. [2018-12-08 18:28:19,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2082 states and 2545 transitions. [2018-12-08 18:28:19,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-08 18:28:19,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:28:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:28:20,942 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 237 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:28:24,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:28:24,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 2090 states and 2553 transitions. [2018-12-08 18:28:24,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 2553 transitions. [2018-12-08 18:28:24,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-08 18:28:24,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:28:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:28:26,384 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-12-08 18:28:27,522 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-08 18:28:28,708 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 18:28:33,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:28:33,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 2133 states and 2597 transitions. [2018-12-08 18:28:33,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2597 transitions. [2018-12-08 18:28:33,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-08 18:28:33,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:28:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:28:33,465 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 18:28:34,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:28:34,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2150 states and 2613 transitions. [2018-12-08 18:28:34,954 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 2613 transitions. [2018-12-08 18:28:34,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 18:28:34,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:28:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:28:34,985 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-08 18:28:35,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:28:35,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2635 states to 2169 states and 2635 transitions. [2018-12-08 18:28:35,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 2635 transitions. [2018-12-08 18:28:35,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 18:28:35,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:28:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:28:35,961 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-08 18:28:37,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:28:37,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2238 states and 2708 transitions. [2018-12-08 18:28:37,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 2708 transitions. [2018-12-08 18:28:37,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-08 18:28:37,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:28:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:28:37,856 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-08 18:28:38,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:28:38,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2709 states to 2240 states and 2709 transitions. [2018-12-08 18:28:38,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 2709 transitions. [2018-12-08 18:28:38,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-08 18:28:38,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:28:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:28:38,200 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 180 proven. 78 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 18:28:38,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:28:38,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2246 states and 2716 transitions. [2018-12-08 18:28:38,749 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 2716 transitions. [2018-12-08 18:28:38,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-08 18:28:38,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:28:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:28:38,841 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 180 proven. 78 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 18:28:39,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:28:39,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2254 states and 2724 transitions. [2018-12-08 18:28:39,689 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 2724 transitions. [2018-12-08 18:28:39,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-08 18:28:39,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:28:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:28:39,780 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 180 proven. 78 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 18:28:40,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:28:40,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 2259 states and 2729 transitions. [2018-12-08 18:28:40,266 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2729 transitions. [2018-12-08 18:28:40,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-08 18:28:40,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:28:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:28:40,302 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-08 18:28:41,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:28:41,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2263 states and 2734 transitions. [2018-12-08 18:28:41,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 2734 transitions. [2018-12-08 18:28:41,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-08 18:28:41,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:28:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:28:41,261 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-08 18:28:44,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:28:44,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 2267 states and 2740 transitions. [2018-12-08 18:28:44,700 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 2740 transitions. [2018-12-08 18:28:44,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-08 18:28:44,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:28:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:28:44,745 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-08 18:28:48,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:28:48,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2337 states and 2813 transitions. [2018-12-08 18:28:48,500 INFO L276 IsEmpty]: Start isEmpty. Operand 2337 states and 2813 transitions. [2018-12-08 18:28:48,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-08 18:28:48,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:28:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:28:48,640 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 7 proven. 214 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-08 18:28:48,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:28:48,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 2342 states and 2821 transitions. [2018-12-08 18:28:48,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 2821 transitions. [2018-12-08 18:28:48,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-08 18:28:48,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:28:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:28:49,074 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 7 proven. 214 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-08 18:28:49,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:28:49,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 2343 states and 2821 transitions. [2018-12-08 18:28:49,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 2821 transitions. [2018-12-08 18:28:49,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 18:28:49,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:28:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:28:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 18:28:54,424 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2018-12-08 18:28:57,011 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-12-08 18:28:58,066 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2018-12-08 18:28:59,895 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2018-12-08 18:29:00,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:29:00,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2392 states and 2876 transitions. [2018-12-08 18:29:00,945 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 2876 transitions. [2018-12-08 18:29:00,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 18:29:00,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:29:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:29:01,074 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 18:29:01,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:29:01,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2884 states to 2401 states and 2884 transitions. [2018-12-08 18:29:01,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 2884 transitions. [2018-12-08 18:29:01,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 18:29:01,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:29:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:29:01,813 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 18:29:03,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:29:03,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2904 states to 2421 states and 2904 transitions. [2018-12-08 18:29:03,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2421 states and 2904 transitions. [2018-12-08 18:29:03,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 18:29:03,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:29:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:29:03,679 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 18:29:04,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:29:04,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 2422 states and 2905 transitions. [2018-12-08 18:29:04,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2422 states and 2905 transitions. [2018-12-08 18:29:04,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-08 18:29:04,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:29:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:29:05,909 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-08 18:29:09,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:29:09,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2933 states to 2448 states and 2933 transitions. [2018-12-08 18:29:09,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 2933 transitions. [2018-12-08 18:29:09,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-08 18:29:09,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:29:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:29:09,356 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-08 18:29:09,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:29:09,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2938 states to 2454 states and 2938 transitions. [2018-12-08 18:29:09,940 INFO L276 IsEmpty]: Start isEmpty. Operand 2454 states and 2938 transitions. [2018-12-08 18:29:09,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 18:29:09,941 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:29:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:29:10,628 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 18:29:13,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:29:13,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 2461 states and 2961 transitions. [2018-12-08 18:29:13,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 2961 transitions. [2018-12-08 18:29:13,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 18:29:13,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:29:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:29:13,101 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 18:29:23,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:29:23,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2487 states and 2995 transitions. [2018-12-08 18:29:23,610 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 2995 transitions. [2018-12-08 18:29:23,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 18:29:23,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:29:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:29:23,702 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 18:29:26,052 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-08 18:29:28,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:29:28,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2489 states and 2997 transitions. [2018-12-08 18:29:28,461 INFO L276 IsEmpty]: Start isEmpty. Operand 2489 states and 2997 transitions. [2018-12-08 18:29:28,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 18:29:28,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:29:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:29:28,557 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 18:29:30,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:29:30,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3006 states to 2495 states and 3006 transitions. [2018-12-08 18:29:30,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 3006 transitions. [2018-12-08 18:29:30,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-08 18:29:30,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:29:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:29:30,235 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 18:29:38,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:29:38,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 2513 states and 3025 transitions. [2018-12-08 18:29:38,859 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 3025 transitions. [2018-12-08 18:29:38,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-08 18:29:38,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:29:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:29:41,743 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 18:29:49,647 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2018-12-08 18:29:50,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:29:50,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 2547 states and 3062 transitions. [2018-12-08 18:29:50,819 INFO L276 IsEmpty]: Start isEmpty. Operand 2547 states and 3062 transitions. [2018-12-08 18:29:50,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-08 18:29:50,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:29:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:29:50,963 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 18:29:52,947 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 29 [2018-12-08 18:30:03,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:30:03,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 2590 states and 3104 transitions. [2018-12-08 18:30:03,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2590 states and 3104 transitions. [2018-12-08 18:30:03,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-08 18:30:03,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:30:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:30:03,678 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 18:30:04,209 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2018-12-08 18:30:07,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:30:07,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3124 states to 2611 states and 3124 transitions. [2018-12-08 18:30:07,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 3124 transitions. [2018-12-08 18:30:07,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 18:30:07,950 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:30:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:30:12,167 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 18:30:16,773 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-08 18:30:26,349 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-08 18:30:27,876 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-12-08 18:30:29,731 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-08 18:30:31,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:30:31,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 2654 states and 3168 transitions. [2018-12-08 18:30:31,650 INFO L276 IsEmpty]: Start isEmpty. Operand 2654 states and 3168 transitions. [2018-12-08 18:30:31,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 18:30:31,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:30:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:30:31,780 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 18:30:33,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:30:33,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3171 states to 2659 states and 3171 transitions. [2018-12-08 18:30:33,695 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 3171 transitions. [2018-12-08 18:30:33,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-08 18:30:33,697 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:30:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:30:33,996 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-08 18:30:34,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:30:34,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 2661 states and 3174 transitions. [2018-12-08 18:30:34,514 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 3174 transitions. [2018-12-08 18:30:34,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-08 18:30:34,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:30:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:30:35,255 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-08 18:30:44,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:30:44,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 2760 states and 3283 transitions. [2018-12-08 18:30:44,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 3283 transitions. [2018-12-08 18:30:44,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-08 18:30:44,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:30:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:30:45,846 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 321 proven. 106 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-08 18:30:50,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:30:50,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 2772 states and 3303 transitions. [2018-12-08 18:30:50,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 3303 transitions. [2018-12-08 18:30:50,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-08 18:30:50,120 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:30:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:30:50,214 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 321 proven. 106 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-08 18:30:51,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:30:51,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3319 states to 2783 states and 3319 transitions. [2018-12-08 18:30:51,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2783 states and 3319 transitions. [2018-12-08 18:30:51,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-08 18:30:51,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:30:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:30:52,026 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 321 proven. 106 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-08 18:30:54,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:30:54,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3326 states to 2790 states and 3326 transitions. [2018-12-08 18:30:54,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3326 transitions. [2018-12-08 18:30:54,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-08 18:30:54,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:30:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:30:54,263 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 321 proven. 106 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-08 18:30:54,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:30:54,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3328 states to 2791 states and 3328 transitions. [2018-12-08 18:30:54,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 3328 transitions. [2018-12-08 18:30:54,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-08 18:30:54,815 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:30:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:30:54,868 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2018-12-08 18:30:54,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:30:54,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3336 states to 2799 states and 3336 transitions. [2018-12-08 18:30:54,943 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3336 transitions. [2018-12-08 18:30:54,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-08 18:30:54,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:30:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:30:55,005 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-12-08 18:31:01,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:31:01,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3374 states to 2822 states and 3374 transitions. [2018-12-08 18:31:01,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2822 states and 3374 transitions. [2018-12-08 18:31:01,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-08 18:31:01,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:31:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:31:01,784 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-08 18:31:10,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:31:10,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3415 states to 2858 states and 3415 transitions. [2018-12-08 18:31:10,551 INFO L276 IsEmpty]: Start isEmpty. Operand 2858 states and 3415 transitions. [2018-12-08 18:31:10,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-08 18:31:10,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:31:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:31:10,619 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-12-08 18:31:19,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:31:19,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3436 states to 2873 states and 3436 transitions. [2018-12-08 18:31:19,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2873 states and 3436 transitions. [2018-12-08 18:31:19,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-08 18:31:19,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:31:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:31:19,649 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-12-08 18:31:21,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:31:21,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 2921 states and 3489 transitions. [2018-12-08 18:31:21,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 3489 transitions. [2018-12-08 18:31:21,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 18:31:21,099 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:31:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:31:21,262 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 421 proven. 114 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-12-08 18:31:22,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:31:22,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3500 states to 2925 states and 3500 transitions. [2018-12-08 18:31:22,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 3500 transitions. [2018-12-08 18:31:22,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 18:31:22,208 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:31:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:31:22,269 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 446 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-08 18:31:23,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:31:23,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3503 states to 2927 states and 3503 transitions. [2018-12-08 18:31:23,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2927 states and 3503 transitions. [2018-12-08 18:31:23,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 18:31:23,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:31:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:31:24,018 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 421 proven. 114 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-12-08 18:31:24,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:31:24,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 2931 states and 3511 transitions. [2018-12-08 18:31:24,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2931 states and 3511 transitions. [2018-12-08 18:31:24,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 18:31:24,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:31:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:31:25,007 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 446 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-12-08 18:31:26,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:31:26,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3514 states to 2934 states and 3514 transitions. [2018-12-08 18:31:26,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2934 states and 3514 transitions. [2018-12-08 18:31:26,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 18:31:26,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:31:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:31:26,631 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 421 proven. 114 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-12-08 18:31:27,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:31:27,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 2935 states and 3515 transitions. [2018-12-08 18:31:27,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2935 states and 3515 transitions. [2018-12-08 18:31:27,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 18:31:27,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:31:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:31:27,430 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 421 proven. 114 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-12-08 18:31:28,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:31:28,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3522 states to 2942 states and 3522 transitions. [2018-12-08 18:31:28,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2942 states and 3522 transitions. [2018-12-08 18:31:28,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-08 18:31:28,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:31:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:31:30,408 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 18:31:33,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:31:33,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3592 states to 3011 states and 3592 transitions. [2018-12-08 18:31:33,126 INFO L276 IsEmpty]: Start isEmpty. Operand 3011 states and 3592 transitions. [2018-12-08 18:31:33,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-08 18:31:33,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:31:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:31:33,750 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 18:31:35,610 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-08 18:31:41,510 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-08 18:31:42,475 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2018-12-08 18:31:45,045 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-12-08 18:31:45,866 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 30 [2018-12-08 18:31:49,337 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-08 18:31:50,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:31:50,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3645 states to 3060 states and 3645 transitions. [2018-12-08 18:31:50,196 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 3645 transitions. [2018-12-08 18:31:50,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-08 18:31:50,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:31:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:31:50,548 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 18:31:52,038 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-08 18:31:55,376 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-08 18:31:56,147 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-08 18:31:58,790 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-08 18:31:59,617 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-08 18:32:01,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:32:01,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3658 states to 3076 states and 3658 transitions. [2018-12-08 18:32:01,006 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 3658 transitions. [2018-12-08 18:32:01,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-08 18:32:01,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:32:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:32:04,139 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-12-08 18:32:05,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:32:05,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3658 states to 3077 states and 3658 transitions. [2018-12-08 18:32:05,929 INFO L276 IsEmpty]: Start isEmpty. Operand 3077 states and 3658 transitions. [2018-12-08 18:32:05,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-08 18:32:05,931 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:32:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:32:06,508 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 424 proven. 104 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-08 18:32:12,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:32:12,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3721 states to 3130 states and 3721 transitions. [2018-12-08 18:32:12,914 INFO L276 IsEmpty]: Start isEmpty. Operand 3130 states and 3721 transitions. [2018-12-08 18:32:12,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-08 18:32:12,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:32:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:32:13,561 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-08 18:32:19,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:32:19,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3238 states and 3837 transitions. [2018-12-08 18:32:19,350 INFO L276 IsEmpty]: Start isEmpty. Operand 3238 states and 3837 transitions. [2018-12-08 18:32:19,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-08 18:32:19,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:32:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:32:19,482 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 18:32:25,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:32:25,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3867 states to 3257 states and 3867 transitions. [2018-12-08 18:32:25,075 INFO L276 IsEmpty]: Start isEmpty. Operand 3257 states and 3867 transitions. [2018-12-08 18:32:25,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-08 18:32:25,077 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:32:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:32:25,196 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 18:32:29,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:32:29,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3875 states to 3265 states and 3875 transitions. [2018-12-08 18:32:29,185 INFO L276 IsEmpty]: Start isEmpty. Operand 3265 states and 3875 transitions. [2018-12-08 18:32:29,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-08 18:32:29,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:32:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:32:29,304 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 18:32:31,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:32:31,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3267 states and 3876 transitions. [2018-12-08 18:32:31,137 INFO L276 IsEmpty]: Start isEmpty. Operand 3267 states and 3876 transitions. [2018-12-08 18:32:31,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-08 18:32:31,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:32:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:32:31,227 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 498 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-08 18:32:35,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:32:35,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3888 states to 3277 states and 3888 transitions. [2018-12-08 18:32:35,053 INFO L276 IsEmpty]: Start isEmpty. Operand 3277 states and 3888 transitions. [2018-12-08 18:32:35,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-08 18:32:35,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:32:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:32:35,147 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 498 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-08 18:32:36,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:32:36,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3895 states to 3284 states and 3895 transitions. [2018-12-08 18:32:36,207 INFO L276 IsEmpty]: Start isEmpty. Operand 3284 states and 3895 transitions. [2018-12-08 18:32:36,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-08 18:32:36,209 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:32:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:32:36,352 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 498 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-08 18:32:37,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:32:37,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3895 states to 3285 states and 3895 transitions. [2018-12-08 18:32:37,333 INFO L276 IsEmpty]: Start isEmpty. Operand 3285 states and 3895 transitions. [2018-12-08 18:32:37,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-08 18:32:37,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:32:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:32:37,425 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 498 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-08 18:32:38,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:32:38,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3895 states to 3287 states and 3895 transitions. [2018-12-08 18:32:38,332 INFO L276 IsEmpty]: Start isEmpty. Operand 3287 states and 3895 transitions. [2018-12-08 18:32:38,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-08 18:32:38,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:32:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:32:38,423 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 498 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-08 18:32:39,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:32:39,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3898 states to 3289 states and 3898 transitions. [2018-12-08 18:32:39,049 INFO L276 IsEmpty]: Start isEmpty. Operand 3289 states and 3898 transitions. [2018-12-08 18:32:39,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-08 18:32:39,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:32:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:32:43,780 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 27 [2018-12-08 18:32:45,067 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 18:33:20,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:33:20,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3996 states to 3353 states and 3996 transitions. [2018-12-08 18:33:20,164 INFO L276 IsEmpty]: Start isEmpty. Operand 3353 states and 3996 transitions. [2018-12-08 18:33:20,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-08 18:33:20,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:33:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:33:20,393 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 382 proven. 5 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2018-12-08 18:33:22,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:33:22,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4003 states to 3359 states and 4003 transitions. [2018-12-08 18:33:22,290 INFO L276 IsEmpty]: Start isEmpty. Operand 3359 states and 4003 transitions. [2018-12-08 18:33:22,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-12-08 18:33:22,292 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:33:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:33:22,950 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-12-08 18:33:25,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:33:25,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4075 states to 3430 states and 4075 transitions. [2018-12-08 18:33:25,881 INFO L276 IsEmpty]: Start isEmpty. Operand 3430 states and 4075 transitions. [2018-12-08 18:33:25,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-12-08 18:33:25,883 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:33:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:33:28,778 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-08 18:33:31,655 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2018-12-08 18:33:33,282 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2018-12-08 18:33:33,429 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-08 18:33:41,888 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-08 18:33:44,424 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-08 18:33:50,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:33:50,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4163 states to 3508 states and 4163 transitions. [2018-12-08 18:33:50,694 INFO L276 IsEmpty]: Start isEmpty. Operand 3508 states and 4163 transitions. [2018-12-08 18:33:50,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-08 18:33:50,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:33:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:33:51,454 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-12-08 18:33:54,099 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-08 18:34:00,937 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-08 18:34:02,687 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-12-08 18:34:04,475 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-12-08 18:34:07,777 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-08 18:34:08,586 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2018-12-08 18:34:10,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:34:10,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4257 states to 3596 states and 4257 transitions. [2018-12-08 18:34:10,596 INFO L276 IsEmpty]: Start isEmpty. Operand 3596 states and 4257 transitions. [2018-12-08 18:34:10,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-12-08 18:34:10,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:34:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:34:11,326 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-08 18:34:28,059 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2018-12-08 18:34:31,149 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2018-12-08 18:34:32,804 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-08 18:34:33,526 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2018-12-08 18:34:34,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:34:34,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4403 states to 3689 states and 4403 transitions. [2018-12-08 18:34:34,608 INFO L276 IsEmpty]: Start isEmpty. Operand 3689 states and 4403 transitions. [2018-12-08 18:34:34,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2018-12-08 18:34:34,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:34:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:34:36,709 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 737 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-08 18:34:48,842 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2018-12-08 18:34:53,277 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-08 18:34:55,180 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-08 18:34:58,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:34:58,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4521 states to 3786 states and 4521 transitions. [2018-12-08 18:34:58,460 INFO L276 IsEmpty]: Start isEmpty. Operand 3786 states and 4521 transitions. [2018-12-08 18:34:58,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2018-12-08 18:34:58,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:34:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:34:58,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 848 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 18:35:01,472 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 22 [2018-12-08 18:35:05,956 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 25 [2018-12-08 18:35:08,078 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2018-12-08 18:35:20,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:35:20,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4585 states to 3841 states and 4585 transitions. [2018-12-08 18:35:20,223 INFO L276 IsEmpty]: Start isEmpty. Operand 3841 states and 4585 transitions. [2018-12-08 18:35:20,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2018-12-08 18:35:20,225 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:35:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:35:20,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 848 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 18:35:39,521 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-12-08 18:35:40,079 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-08 18:35:40,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:35:40,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4629 states to 3878 states and 4629 transitions. [2018-12-08 18:35:40,514 INFO L276 IsEmpty]: Start isEmpty. Operand 3878 states and 4629 transitions. [2018-12-08 18:35:40,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2018-12-08 18:35:40,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:35:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:35:40,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 573 proven. 10 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2018-12-08 18:35:43,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:35:43,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4637 states to 3883 states and 4637 transitions. [2018-12-08 18:35:43,101 INFO L276 IsEmpty]: Start isEmpty. Operand 3883 states and 4637 transitions. [2018-12-08 18:35:43,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2018-12-08 18:35:43,103 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:35:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:35:43,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 573 proven. 10 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2018-12-08 18:35:46,392 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2018-12-08 18:35:53,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:35:53,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4710 states to 3949 states and 4710 transitions. [2018-12-08 18:35:53,309 INFO L276 IsEmpty]: Start isEmpty. Operand 3949 states and 4710 transitions. [2018-12-08 18:35:53,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2018-12-08 18:35:53,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:35:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:35:53,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 573 proven. 10 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2018-12-08 18:35:57,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:35:57,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4756 states to 3993 states and 4756 transitions. [2018-12-08 18:35:57,514 INFO L276 IsEmpty]: Start isEmpty. Operand 3993 states and 4756 transitions. [2018-12-08 18:35:57,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2018-12-08 18:35:57,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:35:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:35:57,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 573 proven. 10 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2018-12-08 18:36:06,125 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-08 18:36:06,902 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2018-12-08 18:36:08,944 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2018-12-08 18:36:09,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:36:09,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4782 states to 4016 states and 4782 transitions. [2018-12-08 18:36:09,762 INFO L276 IsEmpty]: Start isEmpty. Operand 4016 states and 4782 transitions. [2018-12-08 18:36:09,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2018-12-08 18:36:09,764 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:36:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:36:09,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 573 proven. 10 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2018-12-08 18:36:12,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:36:12,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4797 states to 4031 states and 4797 transitions. [2018-12-08 18:36:12,374 INFO L276 IsEmpty]: Start isEmpty. Operand 4031 states and 4797 transitions. [2018-12-08 18:36:12,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-12-08 18:36:12,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:36:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:36:12,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 764 proven. 15 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2018-12-08 18:36:16,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:36:16,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4803 states to 4036 states and 4803 transitions. [2018-12-08 18:36:16,779 INFO L276 IsEmpty]: Start isEmpty. Operand 4036 states and 4803 transitions. [2018-12-08 18:36:16,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-12-08 18:36:16,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:36:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:36:17,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 764 proven. 15 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2018-12-08 18:36:18,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:36:18,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4809 states to 4041 states and 4809 transitions. [2018-12-08 18:36:18,277 INFO L276 IsEmpty]: Start isEmpty. Operand 4041 states and 4809 transitions. [2018-12-08 18:36:18,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-12-08 18:36:18,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:36:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:36:18,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 764 proven. 15 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2018-12-08 18:36:20,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:36:20,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4815 states to 4046 states and 4815 transitions. [2018-12-08 18:36:20,016 INFO L276 IsEmpty]: Start isEmpty. Operand 4046 states and 4815 transitions. [2018-12-08 18:36:20,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-12-08 18:36:20,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:36:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:36:20,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 764 proven. 15 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2018-12-08 18:36:21,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:36:21,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4819 states to 4050 states and 4819 transitions. [2018-12-08 18:36:21,182 INFO L276 IsEmpty]: Start isEmpty. Operand 4050 states and 4819 transitions. [2018-12-08 18:36:21,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-12-08 18:36:21,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:36:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:36:21,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 764 proven. 15 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2018-12-08 18:36:22,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:36:22,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4823 states to 4054 states and 4823 transitions. [2018-12-08 18:36:22,204 INFO L276 IsEmpty]: Start isEmpty. Operand 4054 states and 4823 transitions. [2018-12-08 18:36:22,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-12-08 18:36:22,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 18:36:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:36:22,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 764 proven. 15 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2018-12-08 18:36:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 18:36:22,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4481 states to 3743 states and 4481 transitions. [2018-12-08 18:36:22,940 INFO L276 IsEmpty]: Start isEmpty. Operand 3743 states and 4481 transitions. [2018-12-08 18:36:22,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 18:36:22,942 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 207 iterations. [2018-12-08 18:36:22,948 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 18:36:23,220 WARN L180 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 57 [2018-12-08 18:36:25,231 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 146 DAG size of output: 56 [2018-12-08 18:36:25,619 WARN L180 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 54 [2018-12-08 18:36:25,860 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 58 [2018-12-08 18:36:26,237 WARN L180 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 53 [2018-12-08 18:36:26,675 WARN L180 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 53 [2018-12-08 18:36:26,886 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 32 [2018-12-08 18:36:27,170 WARN L180 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 39 [2018-12-08 18:36:27,539 WARN L180 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 54 [2018-12-08 18:36:27,897 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 32 [2018-12-08 18:36:28,249 WARN L180 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 57 [2018-12-08 18:36:28,613 WARN L180 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 39 [2018-12-08 18:36:29,019 WARN L180 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 39 [2018-12-08 18:36:29,317 WARN L180 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 39 [2018-12-08 18:36:29,431 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2018-12-08 18:36:29,816 WARN L180 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 58 [2018-12-08 18:36:30,318 WARN L180 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 56 [2018-12-08 18:36:30,538 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 58 [2018-12-08 18:36:30,908 WARN L180 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 53 [2018-12-08 18:36:31,363 WARN L180 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 63 [2018-12-08 18:36:31,473 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2018-12-08 18:36:31,736 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 59 [2018-12-08 18:36:31,963 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 52 [2018-12-08 18:36:32,190 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 52 [2018-12-08 18:36:32,313 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 29 [2018-12-08 18:36:32,573 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 56 [2018-12-08 18:36:32,875 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 56 [2018-12-08 18:36:33,079 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 52 [2018-12-08 18:36:33,288 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 33 [2018-12-08 18:36:33,651 WARN L180 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 63 [2018-12-08 18:36:34,023 WARN L180 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 39 [2018-12-08 18:36:34,227 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 33 [2018-12-08 18:36:34,585 WARN L180 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 58 [2018-12-08 18:36:35,072 WARN L180 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 62 [2018-12-08 18:36:35,476 WARN L180 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 63 [2018-12-08 18:36:35,626 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 33 [2018-12-08 18:36:36,037 WARN L180 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 58 [2018-12-08 18:36:36,276 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 32 [2018-12-08 18:36:36,616 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 58 [2018-12-08 18:36:36,763 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 33 [2018-12-08 18:36:37,048 WARN L180 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 58 [2018-12-08 18:36:37,404 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 57 [2018-12-08 18:36:37,855 WARN L180 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 54 [2018-12-08 18:36:38,417 WARN L180 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 69 [2018-12-08 18:36:38,750 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 56 [2018-12-08 18:36:38,973 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 58 [2018-12-08 18:36:39,376 WARN L180 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 53 [2018-12-08 18:36:39,838 WARN L180 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 53 [2018-12-08 18:36:40,207 WARN L180 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 53 [2018-12-08 18:36:40,554 WARN L180 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 58 [2018-12-08 18:36:40,846 WARN L180 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 38 [2018-12-08 18:36:40,847 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 18:36:40,849 INFO L583 CodeCheckObserver]: Invariant with dag size 32 [2018-12-08 18:36:40,854 INFO L583 CodeCheckObserver]: Invariant with dag size 32 [2018-12-08 18:36:40,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 06:36:40 ImpRootNode [2018-12-08 18:36:40,855 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 18:36:40,855 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 18:36:40,855 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 18:36:40,856 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 18:36:40,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:25:24" (3/4) ... [2018-12-08 18:36:40,858 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 18:36:40,872 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-08 18:36:40,873 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-08 18:36:40,874 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-08 18:36:40,874 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 18:36:40,931 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_541b27f3-167b-418f-8908-64dfa0157930/bin-2019/ukojak/witness.graphml [2018-12-08 18:36:40,931 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 18:36:40,931 INFO L168 Benchmark]: Toolchain (without parser) took 677711.31 ms. Allocated memory was 1.0 GB in the beginning and 3.7 GB in the end (delta: 2.7 GB). Free memory was 951.7 MB in the beginning and 2.7 GB in the end (delta: -1.7 GB). Peak memory consumption was 972.8 MB. Max. memory is 11.5 GB. [2018-12-08 18:36:40,932 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:36:40,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2018-12-08 18:36:40,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2018-12-08 18:36:40,932 INFO L168 Benchmark]: Boogie Preprocessor took 28.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-12-08 18:36:40,933 INFO L168 Benchmark]: RCFGBuilder took 988.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 906.0 MB in the end (delta: 209.7 MB). Peak memory consumption was 209.7 MB. Max. memory is 11.5 GB. [2018-12-08 18:36:40,933 INFO L168 Benchmark]: CodeCheck took 676208.89 ms. Allocated memory was 1.2 GB in the beginning and 3.7 GB in the end (delta: 2.6 GB). Free memory was 906.0 MB in the beginning and 2.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. [2018-12-08 18:36:40,933 INFO L168 Benchmark]: Witness Printer took 75.56 ms. Allocated memory is still 3.7 GB. Free memory was 2.7 GB in the beginning and 2.7 GB in the end (delta: 3.3 kB). Peak memory consumption was 3.3 kB. Max. memory is 11.5 GB. [2018-12-08 18:36:40,934 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, 198 locations, 1 error locations. SAFE Result, 658.2s OverallTime, 207 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -729575176 SDtfs, -1304666344 SDslu, 988892432 SDs, 0 SdLazy, -1489514064 SolverSat, -339867648 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1435.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 276994 GetRequests, 267513 SyntacticMatches, 6755 SemanticMatches, 2726 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5678693 ImplicationChecksByTransitivity, 612.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.8s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 60.9s InterpolantComputationTime, 41439 NumberOfCodeBlocks, 41439 NumberOfCodeBlocksAsserted, 206 NumberOfCheckSat, 41233 ConstructedInterpolants, 0 QuantifiedInterpolants, 54661613 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 206 InterpolantComputations, 150 PerfectInterpolantSequences, 56951/59988 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: 527]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((a17 == 1 || ((((a16 == 4 && a12 == 8) && a17 <= 0) && a21 == 1) && a7 <= 0)) || !(a8 == 13)) || ((((!(a7 == 1) && !(a20 == 1)) && a16 == 4) && a12 == 8) && a21 == 1)) || (((((!(a21 == 1) && a7 == 1) && a12 == 8) && a17 <= 0) && a20 == 1) && a16 == 6)) || (((((!(a21 == 1) && a7 == 1) && a16 == 4) && a12 == 8) && a17 <= 0) && a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((a17 == 1 || ((((a16 == 4 && a12 == 8) && a17 <= 0) && a21 == 1) && a7 <= 0)) || !(a8 == 13)) || ((((!(a7 == 1) && !(a20 == 1)) && a16 == 4) && a12 == 8) && a21 == 1)) || (((((!(a21 == 1) && a7 == 1) && a12 == 8) && a17 <= 0) && a20 == 1) && a16 == 6)) || (((((!(a21 == 1) && a7 == 1) && a16 == 4) && a12 == 8) && a17 <= 0) && a20 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 988.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 906.0 MB in the end (delta: 209.7 MB). Peak memory consumption was 209.7 MB. Max. memory is 11.5 GB. * CodeCheck took 676208.89 ms. Allocated memory was 1.2 GB in the beginning and 3.7 GB in the end (delta: 2.6 GB). Free memory was 906.0 MB in the beginning and 2.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. * Witness Printer took 75.56 ms. Allocated memory is still 3.7 GB. Free memory was 2.7 GB in the beginning and 2.7 GB in the end (delta: 3.3 kB). Peak memory consumption was 3.3 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...