./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label26_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_61660242-7633-4de2-ba05-235f8c3c56c7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_61660242-7633-4de2-ba05-235f8c3c56c7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_61660242-7633-4de2-ba05-235f8c3c56c7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_61660242-7633-4de2-ba05-235f8c3c56c7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_61660242-7633-4de2-ba05-235f8c3c56c7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_61660242-7633-4de2-ba05-235f8c3c56c7/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 ec64944e15cde20ad15af2bd0f0e78efc8184588 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 03:47:17,680 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 03:47:17,681 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 03:47:17,686 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 03:47:17,687 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 03:47:17,687 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 03:47:17,688 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 03:47:17,688 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 03:47:17,689 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 03:47:17,690 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 03:47:17,690 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 03:47:17,690 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 03:47:17,690 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 03:47:17,691 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 03:47:17,691 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 03:47:17,692 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 03:47:17,692 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 03:47:17,693 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 03:47:17,694 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 03:47:17,695 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 03:47:17,695 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 03:47:17,696 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 03:47:17,697 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 03:47:17,697 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 03:47:17,697 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 03:47:17,697 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 03:47:17,698 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 03:47:17,698 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 03:47:17,698 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 03:47:17,699 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 03:47:17,699 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 03:47:17,699 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 03:47:17,699 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 03:47:17,700 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 03:47:17,700 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 03:47:17,700 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 03:47:17,700 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_61660242-7633-4de2-ba05-235f8c3c56c7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 03:47:17,707 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 03:47:17,707 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 03:47:17,708 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 03:47:17,708 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 03:47:17,708 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 03:47:17,708 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 03:47:17,708 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 03:47:17,708 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 03:47:17,708 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 03:47:17,709 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 03:47:17,709 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 03:47:17,709 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 03:47:17,709 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 03:47:17,709 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 03:47:17,709 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 03:47:17,709 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 03:47:17,709 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 03:47:17,709 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 03:47:17,709 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 03:47:17,709 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 03:47:17,709 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 03:47:17,710 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 03:47:17,710 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 03:47:17,710 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 03:47:17,710 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 03:47:17,710 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 03:47:17,710 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 03:47:17,710 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 03:47:17,710 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 03:47:17,710 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_61660242-7633-4de2-ba05-235f8c3c56c7/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 -> ec64944e15cde20ad15af2bd0f0e78efc8184588 [2018-12-02 03:47:17,727 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 03:47:17,734 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 03:47:17,736 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 03:47:17,737 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 03:47:17,737 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 03:47:17,737 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_61660242-7633-4de2-ba05-235f8c3c56c7/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c [2018-12-02 03:47:17,769 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61660242-7633-4de2-ba05-235f8c3c56c7/bin-2019/ukojak/data/643c34fff/68091ef5e48346758032c76b40ba36a2/FLAGb14e8955f [2018-12-02 03:47:18,180 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 03:47:18,180 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_61660242-7633-4de2-ba05-235f8c3c56c7/sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c [2018-12-02 03:47:18,187 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_61660242-7633-4de2-ba05-235f8c3c56c7/bin-2019/ukojak/data/643c34fff/68091ef5e48346758032c76b40ba36a2/FLAGb14e8955f [2018-12-02 03:47:18,195 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_61660242-7633-4de2-ba05-235f8c3c56c7/bin-2019/ukojak/data/643c34fff/68091ef5e48346758032c76b40ba36a2 [2018-12-02 03:47:18,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 03:47:18,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 03:47:18,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 03:47:18,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 03:47:18,200 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 03:47:18,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:47:18" (1/1) ... [2018-12-02 03:47:18,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:18, skipping insertion in model container [2018-12-02 03:47:18,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:47:18" (1/1) ... [2018-12-02 03:47:18,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 03:47:18,240 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 03:47:18,414 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:47:18,417 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 03:47:18,466 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:47:18,518 INFO L195 MainTranslator]: Completed translation [2018-12-02 03:47:18,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:18 WrapperNode [2018-12-02 03:47:18,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 03:47:18,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 03:47:18,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 03:47:18,519 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 03:47:18,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:18" (1/1) ... [2018-12-02 03:47:18,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:18" (1/1) ... [2018-12-02 03:47:18,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 03:47:18,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 03:47:18,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 03:47:18,564 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 03:47:18,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:18" (1/1) ... [2018-12-02 03:47:18,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:18" (1/1) ... [2018-12-02 03:47:18,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:18" (1/1) ... [2018-12-02 03:47:18,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:18" (1/1) ... [2018-12-02 03:47:18,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:18" (1/1) ... [2018-12-02 03:47:18,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:18" (1/1) ... [2018-12-02 03:47:18,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:18" (1/1) ... [2018-12-02 03:47:18,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 03:47:18,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 03:47:18,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 03:47:18,606 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 03:47:18,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_61660242-7633-4de2-ba05-235f8c3c56c7/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 [2018-12-02 03:47:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 03:47:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 03:47:19,676 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 03:47:19,676 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 03:47:19,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:19 BoogieIcfgContainer [2018-12-02 03:47:19,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 03:47:19,677 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 03:47:19,677 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 03:47:19,684 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 03:47:19,685 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:19" (1/1) ... [2018-12-02 03:47:19,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:47:19,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:19,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-02 03:47:19,715 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-02 03:47:19,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-02 03:47:19,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:19,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:47:20,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:20,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 163 states and 241 transitions. [2018-12-02 03:47:20,201 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2018-12-02 03:47:20,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 03:47:20,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:20,280 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:47:20,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:20,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 242 states and 334 transitions. [2018-12-02 03:47:20,583 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 334 transitions. [2018-12-02 03:47:20,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-02 03:47:20,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:20,619 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 03:47:20,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:20,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 243 states and 335 transitions. [2018-12-02 03:47:20,676 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 335 transitions. [2018-12-02 03:47:20,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 03:47:20,677 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:20,707 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:47:20,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:20,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 260 states and 361 transitions. [2018-12-02 03:47:20,820 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 361 transitions. [2018-12-02 03:47:20,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 03:47:20,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:20,874 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:47:21,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:21,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 278 states and 386 transitions. [2018-12-02 03:47:21,142 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 386 transitions. [2018-12-02 03:47:21,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 03:47:21,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:21,161 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:47:21,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:21,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 281 states and 389 transitions. [2018-12-02 03:47:21,215 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 389 transitions. [2018-12-02 03:47:21,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 03:47:21,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:21,282 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 03:47:21,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:21,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 360 states and 471 transitions. [2018-12-02 03:47:21,645 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 471 transitions. [2018-12-02 03:47:21,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-02 03:47:21,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:21,722 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 03:47:21,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:21,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 407 states and 519 transitions. [2018-12-02 03:47:21,947 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 519 transitions. [2018-12-02 03:47:21,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-02 03:47:21,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:22,019 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 60 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 03:47:22,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:22,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 413 states and 527 transitions. [2018-12-02 03:47:22,126 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 527 transitions. [2018-12-02 03:47:22,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-02 03:47:22,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:22,235 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 03:47:22,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:22,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 451 states and 568 transitions. [2018-12-02 03:47:22,503 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 568 transitions. [2018-12-02 03:47:22,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-02 03:47:22,504 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:22,528 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 03:47:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:22,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 476 states and 599 transitions. [2018-12-02 03:47:22,788 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 599 transitions. [2018-12-02 03:47:22,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-02 03:47:22,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:22,835 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 03:47:22,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:22,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 490 states and 613 transitions. [2018-12-02 03:47:22,888 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 613 transitions. [2018-12-02 03:47:22,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 03:47:22,889 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:22,944 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-02 03:47:23,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:23,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 492 states and 615 transitions. [2018-12-02 03:47:23,013 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 615 transitions. [2018-12-02 03:47:23,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-02 03:47:23,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:23,032 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-02 03:47:23,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:23,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 496 states and 622 transitions. [2018-12-02 03:47:23,184 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 622 transitions. [2018-12-02 03:47:23,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-02 03:47:23,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:23,219 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-02 03:47:23,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:23,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 510 states and 636 transitions. [2018-12-02 03:47:23,347 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 636 transitions. [2018-12-02 03:47:23,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-02 03:47:23,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:23,368 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-02 03:47:23,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:23,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 514 states and 641 transitions. [2018-12-02 03:47:23,493 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 641 transitions. [2018-12-02 03:47:23,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-02 03:47:23,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:23,513 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-02 03:47:23,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:23,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 530 states and 662 transitions. [2018-12-02 03:47:23,749 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 662 transitions. [2018-12-02 03:47:23,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-02 03:47:23,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:23,781 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-02 03:47:23,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:23,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 532 states and 663 transitions. [2018-12-02 03:47:23,882 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 663 transitions. [2018-12-02 03:47:23,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-02 03:47:23,883 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:24,286 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 03:47:24,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:24,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 541 states and 678 transitions. [2018-12-02 03:47:24,889 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 678 transitions. [2018-12-02 03:47:24,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-02 03:47:24,891 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:24,979 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:47:25,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:25,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 564 states and 708 transitions. [2018-12-02 03:47:25,629 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 708 transitions. [2018-12-02 03:47:25,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-02 03:47:25,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:25,655 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-02 03:47:25,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:25,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 602 states and 746 transitions. [2018-12-02 03:47:25,795 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 746 transitions. [2018-12-02 03:47:25,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 03:47:25,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:25,878 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:47:26,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:26,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 621 states and 772 transitions. [2018-12-02 03:47:26,493 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 772 transitions. [2018-12-02 03:47:26,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 03:47:26,493 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:26,556 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:47:26,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:26,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 624 states and 776 transitions. [2018-12-02 03:47:26,680 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 776 transitions. [2018-12-02 03:47:26,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 03:47:26,681 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:26,719 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:47:26,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:26,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 627 states and 780 transitions. [2018-12-02 03:47:26,837 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 780 transitions. [2018-12-02 03:47:26,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 03:47:26,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:26,890 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:47:27,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:27,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 630 states and 783 transitions. [2018-12-02 03:47:27,007 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 783 transitions. [2018-12-02 03:47:27,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 03:47:27,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:27,046 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:47:27,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:27,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 635 states and 787 transitions. [2018-12-02 03:47:27,191 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 787 transitions. [2018-12-02 03:47:27,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 03:47:27,192 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:27,237 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 03:47:27,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:27,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 636 states and 793 transitions. [2018-12-02 03:47:27,351 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 793 transitions. [2018-12-02 03:47:27,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 03:47:27,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:27,408 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 03:47:27,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:27,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 637 states and 794 transitions. [2018-12-02 03:47:27,525 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 794 transitions. [2018-12-02 03:47:27,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 03:47:27,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:27,643 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:47:27,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:27,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 647 states and 805 transitions. [2018-12-02 03:47:27,895 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 805 transitions. [2018-12-02 03:47:27,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-02 03:47:27,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:27,915 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:47:27,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:27,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 653 states and 811 transitions. [2018-12-02 03:47:27,940 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 811 transitions. [2018-12-02 03:47:27,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-02 03:47:27,941 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:27,969 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:47:28,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:28,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 662 states and 821 transitions. [2018-12-02 03:47:28,248 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 821 transitions. [2018-12-02 03:47:28,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 03:47:28,249 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:28,271 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:47:28,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:28,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 664 states and 823 transitions. [2018-12-02 03:47:28,291 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 823 transitions. [2018-12-02 03:47:28,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-12-02 03:47:28,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:28,420 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:47:28,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:28,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 670 states and 830 transitions. [2018-12-02 03:47:28,640 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 830 transitions. [2018-12-02 03:47:28,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-02 03:47:28,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:28,689 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:47:28,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:28,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 676 states and 835 transitions. [2018-12-02 03:47:28,787 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 835 transitions. [2018-12-02 03:47:28,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-02 03:47:28,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:28,810 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:47:28,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:28,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 683 states and 842 transitions. [2018-12-02 03:47:28,891 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 842 transitions. [2018-12-02 03:47:28,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 03:47:28,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:29,096 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 119 proven. 3 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:47:29,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:29,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 719 states and 886 transitions. [2018-12-02 03:47:29,998 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 886 transitions. [2018-12-02 03:47:29,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-02 03:47:29,999 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:30,020 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:47:30,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:30,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 726 states and 893 transitions. [2018-12-02 03:47:30,047 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 893 transitions. [2018-12-02 03:47:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-02 03:47:30,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:30,078 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:47:30,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:30,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 778 states and 952 transitions. [2018-12-02 03:47:30,513 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 952 transitions. [2018-12-02 03:47:30,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-02 03:47:30,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:30,544 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:47:30,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:30,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 782 states and 957 transitions. [2018-12-02 03:47:30,565 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 957 transitions. [2018-12-02 03:47:30,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-02 03:47:30,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:31,451 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-02 03:47:33,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:33,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 815 states and 997 transitions. [2018-12-02 03:47:33,799 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 997 transitions. [2018-12-02 03:47:33,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-12-02 03:47:33,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:33,892 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:47:34,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:34,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 827 states and 1009 transitions. [2018-12-02 03:47:34,220 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1009 transitions. [2018-12-02 03:47:34,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-02 03:47:34,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:34,242 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:47:34,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:34,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 830 states and 1012 transitions. [2018-12-02 03:47:34,344 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1012 transitions. [2018-12-02 03:47:34,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 03:47:34,345 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:34,907 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 03:47:36,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:36,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 875 states and 1062 transitions. [2018-12-02 03:47:36,525 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1062 transitions. [2018-12-02 03:47:36,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-02 03:47:36,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:36,654 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-02 03:47:37,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:37,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 946 states and 1138 transitions. [2018-12-02 03:47:37,240 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1138 transitions. [2018-12-02 03:47:37,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-02 03:47:37,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:37,301 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:47:37,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:37,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 967 states and 1161 transitions. [2018-12-02 03:47:37,631 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1161 transitions. [2018-12-02 03:47:37,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-02 03:47:37,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:37,756 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:47:37,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:37,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 969 states and 1163 transitions. [2018-12-02 03:47:37,948 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1163 transitions. [2018-12-02 03:47:37,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-02 03:47:37,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:37,986 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:47:38,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:38,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 971 states and 1165 transitions. [2018-12-02 03:47:38,003 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1165 transitions. [2018-12-02 03:47:38,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-02 03:47:38,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:38,118 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-02 03:47:39,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:39,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1047 states and 1248 transitions. [2018-12-02 03:47:39,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1248 transitions. [2018-12-02 03:47:39,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-02 03:47:39,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:39,089 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-02 03:47:39,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:39,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1066 states and 1270 transitions. [2018-12-02 03:47:39,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1270 transitions. [2018-12-02 03:47:39,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 03:47:39,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:39,857 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:47:39,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:39,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1078 states and 1281 transitions. [2018-12-02 03:47:39,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1281 transitions. [2018-12-02 03:47:39,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 03:47:39,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:40,041 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-02 03:47:40,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:40,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1079 states and 1282 transitions. [2018-12-02 03:47:40,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1282 transitions. [2018-12-02 03:47:40,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-02 03:47:40,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:40,138 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:47:40,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:40,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1097 states and 1298 transitions. [2018-12-02 03:47:40,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1298 transitions. [2018-12-02 03:47:40,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-02 03:47:40,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:40,625 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-02 03:47:41,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:41,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1129 states and 1337 transitions. [2018-12-02 03:47:41,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1337 transitions. [2018-12-02 03:47:41,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-02 03:47:41,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:41,398 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-02 03:47:41,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:41,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1130 states and 1338 transitions. [2018-12-02 03:47:41,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1338 transitions. [2018-12-02 03:47:41,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-02 03:47:41,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:41,621 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-02 03:47:41,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:41,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1147 states and 1355 transitions. [2018-12-02 03:47:41,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1355 transitions. [2018-12-02 03:47:41,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-02 03:47:41,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:41,697 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:47:41,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:41,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1149 states and 1357 transitions. [2018-12-02 03:47:41,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1357 transitions. [2018-12-02 03:47:41,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-02 03:47:41,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:41,745 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:47:41,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:41,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1176 states and 1386 transitions. [2018-12-02 03:47:41,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1386 transitions. [2018-12-02 03:47:41,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-02 03:47:41,980 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:42,035 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-02 03:47:42,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:42,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1178 states and 1387 transitions. [2018-12-02 03:47:42,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1387 transitions. [2018-12-02 03:47:42,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-02 03:47:42,239 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:42,267 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:47:42,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:42,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1190 states and 1398 transitions. [2018-12-02 03:47:42,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1398 transitions. [2018-12-02 03:47:42,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-12-02 03:47:42,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:42,931 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:47:44,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:44,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1240 states and 1451 transitions. [2018-12-02 03:47:44,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1451 transitions. [2018-12-02 03:47:44,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-12-02 03:47:44,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:44,666 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:47:44,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:44,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1243 states and 1455 transitions. [2018-12-02 03:47:44,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1455 transitions. [2018-12-02 03:47:44,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-02 03:47:44,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:44,809 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:47:44,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:44,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1245 states and 1457 transitions. [2018-12-02 03:47:44,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1457 transitions. [2018-12-02 03:47:44,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-02 03:47:44,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:44,893 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:47:45,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:45,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1261 states and 1477 transitions. [2018-12-02 03:47:45,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1477 transitions. [2018-12-02 03:47:45,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-02 03:47:45,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:45,704 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:47:45,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:45,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1264 states and 1481 transitions. [2018-12-02 03:47:45,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1481 transitions. [2018-12-02 03:47:45,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-02 03:47:45,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:45,949 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:47:46,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:46,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1269 states and 1485 transitions. [2018-12-02 03:47:46,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1485 transitions. [2018-12-02 03:47:46,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-02 03:47:46,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:47:46,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:46,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1281 states and 1500 transitions. [2018-12-02 03:47:46,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1500 transitions. [2018-12-02 03:47:46,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-02 03:47:46,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:47,157 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 233 proven. 9 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:47:48,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:48,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1299 states and 1520 transitions. [2018-12-02 03:47:48,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1520 transitions. [2018-12-02 03:47:48,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-02 03:47:48,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:48,320 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:47:48,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:48,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1303 states and 1525 transitions. [2018-12-02 03:47:48,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1525 transitions. [2018-12-02 03:47:48,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-02 03:47:48,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:48,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:48,671 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:47:52,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:52,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1350 states and 1586 transitions. [2018-12-02 03:47:52,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1586 transitions. [2018-12-02 03:47:52,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-02 03:47:52,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:52,092 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-02 03:47:52,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:52,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1351 states and 1587 transitions. [2018-12-02 03:47:52,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1587 transitions. [2018-12-02 03:47:52,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-02 03:47:52,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:52,303 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:47:52,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:52,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1367 states and 1602 transitions. [2018-12-02 03:47:52,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1602 transitions. [2018-12-02 03:47:52,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-02 03:47:52,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:52,924 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-02 03:47:53,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:53,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1368 states and 1602 transitions. [2018-12-02 03:47:53,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1602 transitions. [2018-12-02 03:47:53,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-02 03:47:53,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:53,101 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:47:54,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:54,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1392 states and 1629 transitions. [2018-12-02 03:47:54,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1629 transitions. [2018-12-02 03:47:54,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-02 03:47:54,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:54,608 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:47:54,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:54,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1399 states and 1635 transitions. [2018-12-02 03:47:54,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1635 transitions. [2018-12-02 03:47:54,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-12-02 03:47:54,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:54,916 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-02 03:47:55,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:55,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1400 states and 1636 transitions. [2018-12-02 03:47:55,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1636 transitions. [2018-12-02 03:47:55,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-12-02 03:47:55,077 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:55,214 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:47:56,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:56,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1408 states and 1647 transitions. [2018-12-02 03:47:56,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1647 transitions. [2018-12-02 03:47:56,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-12-02 03:47:56,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:56,332 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-02 03:47:56,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:56,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1409 states and 1647 transitions. [2018-12-02 03:47:56,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1647 transitions. [2018-12-02 03:47:56,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-12-02 03:47:56,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:56,509 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:47:58,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:47:58,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1451 states and 1691 transitions. [2018-12-02 03:47:58,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1691 transitions. [2018-12-02 03:47:58,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-12-02 03:47:58,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:47:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:47:58,108 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:48:00,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:00,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1486 states and 1727 transitions. [2018-12-02 03:48:00,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 1727 transitions. [2018-12-02 03:48:00,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-02 03:48:00,725 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:00,762 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-02 03:48:00,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:00,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1492 states and 1732 transitions. [2018-12-02 03:48:00,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1732 transitions. [2018-12-02 03:48:00,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-02 03:48:00,799 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:00,847 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 209 proven. 4 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-02 03:48:01,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:01,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1496 states and 1739 transitions. [2018-12-02 03:48:01,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1739 transitions. [2018-12-02 03:48:01,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-02 03:48:01,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:01,213 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 209 proven. 4 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-02 03:48:01,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:01,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1497 states and 1740 transitions. [2018-12-02 03:48:01,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1740 transitions. [2018-12-02 03:48:01,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-02 03:48:01,418 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:01,479 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-12-02 03:48:01,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:01,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1498 states and 1740 transitions. [2018-12-02 03:48:01,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 1740 transitions. [2018-12-02 03:48:01,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-02 03:48:01,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:01,878 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-12-02 03:48:02,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:02,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1513 states and 1755 transitions. [2018-12-02 03:48:02,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 1755 transitions. [2018-12-02 03:48:02,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-02 03:48:02,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:02,184 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-12-02 03:48:02,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:02,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1514 states and 1755 transitions. [2018-12-02 03:48:02,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1755 transitions. [2018-12-02 03:48:02,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-02 03:48:02,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:02,431 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-02 03:48:03,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:03,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1554 states and 1805 transitions. [2018-12-02 03:48:03,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 1805 transitions. [2018-12-02 03:48:03,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-02 03:48:03,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:03,932 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-02 03:48:04,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:04,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1577 states and 1826 transitions. [2018-12-02 03:48:04,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 1826 transitions. [2018-12-02 03:48:04,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-02 03:48:04,437 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:04,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:04,471 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-12-02 03:48:04,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:04,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1580 states and 1828 transitions. [2018-12-02 03:48:04,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 1828 transitions. [2018-12-02 03:48:04,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 03:48:04,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:04,762 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-02 03:48:05,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:05,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1900 states to 1642 states and 1900 transitions. [2018-12-02 03:48:05,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 1900 transitions. [2018-12-02 03:48:05,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-02 03:48:05,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:05,735 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2018-12-02 03:48:06,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:06,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 1644 states and 1904 transitions. [2018-12-02 03:48:06,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 1904 transitions. [2018-12-02 03:48:06,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-02 03:48:06,013 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:06,073 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2018-12-02 03:48:06,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:06,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1645 states and 1905 transitions. [2018-12-02 03:48:06,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 1905 transitions. [2018-12-02 03:48:06,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-02 03:48:06,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:06,292 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2018-12-02 03:48:06,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:06,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1646 states and 1906 transitions. [2018-12-02 03:48:06,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 1906 transitions. [2018-12-02 03:48:06,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-02 03:48:06,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:06,605 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 354 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-02 03:48:08,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:08,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1725 states and 1995 transitions. [2018-12-02 03:48:08,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 1995 transitions. [2018-12-02 03:48:08,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-12-02 03:48:08,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:08,635 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-02 03:48:09,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:09,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 1751 states and 2023 transitions. [2018-12-02 03:48:09,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2023 transitions. [2018-12-02 03:48:09,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-12-02 03:48:09,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:09,905 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-02 03:48:11,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:11,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 1776 states and 2050 transitions. [2018-12-02 03:48:11,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2050 transitions. [2018-12-02 03:48:11,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-02 03:48:11,309 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:11,349 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-12-02 03:48:11,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:11,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 1777 states and 2050 transitions. [2018-12-02 03:48:11,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2050 transitions. [2018-12-02 03:48:11,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-02 03:48:11,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:11,533 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 250 proven. 15 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-12-02 03:48:12,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:12,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 1812 states and 2092 transitions. [2018-12-02 03:48:12,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 2092 transitions. [2018-12-02 03:48:12,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-02 03:48:12,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:13,054 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 250 proven. 15 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-12-02 03:48:13,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:13,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 1815 states and 2095 transitions. [2018-12-02 03:48:13,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2095 transitions. [2018-12-02 03:48:13,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-02 03:48:13,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 323 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-02 03:48:13,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:13,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 1820 states and 2101 transitions. [2018-12-02 03:48:13,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1820 states and 2101 transitions. [2018-12-02 03:48:13,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-02 03:48:13,765 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:13,838 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 273 proven. 16 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-12-02 03:48:15,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:15,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 1848 states and 2137 transitions. [2018-12-02 03:48:15,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 2137 transitions. [2018-12-02 03:48:15,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-02 03:48:15,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:15,279 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 273 proven. 16 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-12-02 03:48:15,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:15,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 1856 states and 2145 transitions. [2018-12-02 03:48:15,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2145 transitions. [2018-12-02 03:48:15,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-02 03:48:15,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:15,776 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 273 proven. 16 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-12-02 03:48:16,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:16,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 1864 states and 2153 transitions. [2018-12-02 03:48:16,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 2153 transitions. [2018-12-02 03:48:16,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-02 03:48:16,400 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:16,446 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-12-02 03:48:16,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:16,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 1876 states and 2165 transitions. [2018-12-02 03:48:16,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2165 transitions. [2018-12-02 03:48:16,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-02 03:48:16,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:16,562 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-12-02 03:48:16,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:16,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 1883 states and 2171 transitions. [2018-12-02 03:48:16,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2171 transitions. [2018-12-02 03:48:16,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-12-02 03:48:16,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:17,112 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 330 proven. 4 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-12-02 03:48:18,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:18,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 1896 states and 2192 transitions. [2018-12-02 03:48:18,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2192 transitions. [2018-12-02 03:48:18,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-12-02 03:48:18,072 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:18,221 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 330 proven. 4 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-12-02 03:48:18,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:18,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1901 states and 2196 transitions. [2018-12-02 03:48:18,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2196 transitions. [2018-12-02 03:48:18,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-02 03:48:18,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:18,795 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 382 proven. 4 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:48:19,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:19,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1903 states and 2197 transitions. [2018-12-02 03:48:19,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2197 transitions. [2018-12-02 03:48:19,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 03:48:19,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:19,478 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 335 proven. 6 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 03:48:20,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:20,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 1915 states and 2218 transitions. [2018-12-02 03:48:20,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2218 transitions. [2018-12-02 03:48:20,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 03:48:20,527 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:20,621 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 335 proven. 6 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 03:48:20,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:20,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1919 states and 2222 transitions. [2018-12-02 03:48:20,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 2222 transitions. [2018-12-02 03:48:20,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 03:48:20,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:21,007 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 335 proven. 6 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-02 03:48:21,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:21,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 1923 states and 2226 transitions. [2018-12-02 03:48:21,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2226 transitions. [2018-12-02 03:48:21,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-02 03:48:21,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:22,915 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 349 proven. 103 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-02 03:48:30,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:30,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2037 states and 2360 transitions. [2018-12-02 03:48:30,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2360 transitions. [2018-12-02 03:48:30,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-02 03:48:30,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:30,301 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 349 proven. 103 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-02 03:48:32,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:32,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 2059 states and 2385 transitions. [2018-12-02 03:48:32,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2385 transitions. [2018-12-02 03:48:32,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-12-02 03:48:32,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:32,734 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-02 03:48:32,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:32,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 2062 states and 2387 transitions. [2018-12-02 03:48:32,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2387 transitions. [2018-12-02 03:48:32,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-12-02 03:48:32,931 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:33,001 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-02 03:48:33,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:33,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 2063 states and 2387 transitions. [2018-12-02 03:48:33,176 INFO L276 IsEmpty]: Start isEmpty. Operand 2063 states and 2387 transitions. [2018-12-02 03:48:33,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-12-02 03:48:33,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:33,220 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-02 03:48:33,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:33,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 2066 states and 2389 transitions. [2018-12-02 03:48:33,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2389 transitions. [2018-12-02 03:48:33,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-02 03:48:33,398 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:33,469 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 300 proven. 8 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-02 03:48:33,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:33,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2069 states and 2392 transitions. [2018-12-02 03:48:33,719 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2392 transitions. [2018-12-02 03:48:33,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-02 03:48:33,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:33,934 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 377 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-02 03:48:34,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:34,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2399 states to 2075 states and 2399 transitions. [2018-12-02 03:48:34,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2399 transitions. [2018-12-02 03:48:34,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-02 03:48:34,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:34,639 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-02 03:48:36,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:36,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2472 states to 2139 states and 2472 transitions. [2018-12-02 03:48:36,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2472 transitions. [2018-12-02 03:48:36,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-02 03:48:36,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:36,900 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-02 03:48:37,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:37,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2142 states and 2475 transitions. [2018-12-02 03:48:37,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 2475 transitions. [2018-12-02 03:48:37,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-02 03:48:37,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:37,304 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-02 03:48:37,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:37,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2145 states and 2478 transitions. [2018-12-02 03:48:37,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2478 transitions. [2018-12-02 03:48:37,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-02 03:48:37,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:38,005 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 450 proven. 53 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 03:48:41,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:41,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 2258 states and 2614 transitions. [2018-12-02 03:48:41,661 INFO L276 IsEmpty]: Start isEmpty. Operand 2258 states and 2614 transitions. [2018-12-02 03:48:41,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-02 03:48:41,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:41,734 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 487 proven. 67 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 03:48:42,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:42,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2275 states and 2631 transitions. [2018-12-02 03:48:42,341 INFO L276 IsEmpty]: Start isEmpty. Operand 2275 states and 2631 transitions. [2018-12-02 03:48:42,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-02 03:48:42,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:42,402 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-12-02 03:48:42,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:42,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 2276 states and 2632 transitions. [2018-12-02 03:48:42,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2276 states and 2632 transitions. [2018-12-02 03:48:42,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-12-02 03:48:42,616 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:43,020 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 495 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-02 03:48:45,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:45,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2372 states and 2734 transitions. [2018-12-02 03:48:45,122 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states and 2734 transitions. [2018-12-02 03:48:45,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-12-02 03:48:45,124 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:46,916 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 530 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2018-12-02 03:48:48,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:48,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2768 states to 2404 states and 2768 transitions. [2018-12-02 03:48:48,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 2768 transitions. [2018-12-02 03:48:48,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-12-02 03:48:48,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:49,205 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 552 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-12-02 03:48:51,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:51,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2483 states and 2852 transitions. [2018-12-02 03:48:51,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 2852 transitions. [2018-12-02 03:48:51,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-12-02 03:48:51,488 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:51,619 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 552 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-12-02 03:48:52,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:52,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2536 states and 2907 transitions. [2018-12-02 03:48:52,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2536 states and 2907 transitions. [2018-12-02 03:48:52,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2018-12-02 03:48:52,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:52,597 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 405 proven. 12 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2018-12-02 03:48:52,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:52,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2931 states to 2560 states and 2931 transitions. [2018-12-02 03:48:52,989 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 2931 transitions. [2018-12-02 03:48:52,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2018-12-02 03:48:52,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:53,098 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 405 proven. 12 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2018-12-02 03:48:53,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:53,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 2579 states and 2949 transitions. [2018-12-02 03:48:53,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2579 states and 2949 transitions. [2018-12-02 03:48:53,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-12-02 03:48:53,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:53,547 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 315 proven. 0 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2018-12-02 03:48:54,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:54,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3031 states to 2658 states and 3031 transitions. [2018-12-02 03:48:54,258 INFO L276 IsEmpty]: Start isEmpty. Operand 2658 states and 3031 transitions. [2018-12-02 03:48:54,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2018-12-02 03:48:54,259 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:48:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:48:54,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1274 backedges. 631 proven. 0 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2018-12-02 03:48:54,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:48:54,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2577 states and 2947 transitions. [2018-12-02 03:48:54,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2577 states and 2947 transitions. [2018-12-02 03:48:54,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 03:48:54,806 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 132 iterations. [2018-12-02 03:48:54,812 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 03:48:56,429 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 13 [2018-12-02 03:48:56,702 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 13 [2018-12-02 03:48:59,231 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 13 [2018-12-02 03:48:59,661 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:48:59,663 INFO L583 CodeCheckObserver]: Invariant with dag size 13 [2018-12-02 03:48:59,667 INFO L583 CodeCheckObserver]: Invariant with dag size 13 [2018-12-02 03:48:59,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 03:48:59 ImpRootNode [2018-12-02 03:48:59,667 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 03:48:59,668 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 03:48:59,668 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 03:48:59,668 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 03:48:59,668 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:19" (3/4) ... [2018-12-02 03:48:59,671 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 03:48:59,680 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-12-02 03:48:59,681 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-02 03:48:59,681 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-02 03:48:59,682 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 03:48:59,745 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_61660242-7633-4de2-ba05-235f8c3c56c7/bin-2019/ukojak/witness.graphml [2018-12-02 03:48:59,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 03:48:59,746 INFO L168 Benchmark]: Toolchain (without parser) took 101548.35 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 945.3 MB in the beginning and 844.7 MB in the end (delta: 100.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-12-02 03:48:59,746 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:48:59,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -154.8 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-12-02 03:48:59,747 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-02 03:48:59,747 INFO L168 Benchmark]: Boogie Preprocessor took 41.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 03:48:59,747 INFO L168 Benchmark]: RCFGBuilder took 1070.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 867.5 MB in the end (delta: 219.0 MB). Peak memory consumption was 219.0 MB. Max. memory is 11.5 GB. [2018-12-02 03:48:59,747 INFO L168 Benchmark]: CodeCheck took 99990.46 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 867.5 MB in the beginning and 877.7 MB in the end (delta: -10.2 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-12-02 03:48:59,747 INFO L168 Benchmark]: Witness Printer took 77.64 ms. Allocated memory is still 2.6 GB. Free memory was 877.7 MB in the beginning and 844.7 MB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-12-02 03:48:59,748 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, 227 locations, 1 error locations. SAFE Result, 95.1s OverallTime, 132 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1673327672 SDtfs, -403983512 SDslu, 705990896 SDs, 0 SdLazy, 1076496948 SolverSat, -1785652464 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 378.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 193298 GetRequests, 190716 SyntacticMatches, 1486 SemanticMatches, 1096 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 825094 ImplicationChecksByTransitivity, 78.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 31157 NumberOfCodeBlocks, 31157 NumberOfCodeBlocksAsserted, 131 NumberOfCheckSat, 31026 ConstructedInterpolants, 0 QuantifiedInterpolants, 21237293 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 131 InterpolantComputations, 102 PerfectInterpolantSequences, 40003/40513 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: 580]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((a25 == 1 || a11 == 1) || !(a28 == 10)) || a17 == 8 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((a11 == 1 || a17 == 8) || !(a28 == 10)) || a25 == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -154.8 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1070.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 867.5 MB in the end (delta: 219.0 MB). Peak memory consumption was 219.0 MB. Max. memory is 11.5 GB. * CodeCheck took 99990.46 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 867.5 MB in the beginning and 877.7 MB in the end (delta: -10.2 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. * Witness Printer took 77.64 ms. Allocated memory is still 2.6 GB. Free memory was 877.7 MB in the beginning and 844.7 MB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...