./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5f1ea272-6f48-4077-8786-880056dd9939/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5f1ea272-6f48-4077-8786-880056dd9939/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5f1ea272-6f48-4077-8786-880056dd9939/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5f1ea272-6f48-4077-8786-880056dd9939/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5f1ea272-6f48-4077-8786-880056dd9939/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5f1ea272-6f48-4077-8786-880056dd9939/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 f8826e63977e5204bfb153113fa32b1df4948bea ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 02:07:06,671 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:07:06,671 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:07:06,678 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:07:06,679 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:07:06,679 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:07:06,680 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:07:06,681 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:07:06,682 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:07:06,683 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:07:06,683 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:07:06,683 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:07:06,684 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:07:06,685 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:07:06,685 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:07:06,686 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:07:06,687 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:07:06,688 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:07:06,689 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:07:06,690 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:07:06,691 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:07:06,692 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:07:06,693 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:07:06,693 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:07:06,694 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:07:06,694 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:07:06,695 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:07:06,695 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:07:06,696 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:07:06,697 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:07:06,697 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:07:06,697 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:07:06,697 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:07:06,698 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:07:06,698 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:07:06,699 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:07:06,699 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5f1ea272-6f48-4077-8786-880056dd9939/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 02:07:06,709 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:07:06,709 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:07:06,710 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:07:06,710 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 02:07:06,710 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:07:06,710 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:07:06,711 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:07:06,711 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:07:06,711 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:07:06,711 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:07:06,711 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:07:06,711 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:07:06,711 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:07:06,711 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:07:06,712 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:07:06,712 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:07:06,712 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:07:06,712 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:07:06,712 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 02:07:06,712 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 02:07:06,712 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:07:06,712 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:07:06,713 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 02:07:06,713 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:07:06,713 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:07:06,713 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:07:06,713 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 02:07:06,713 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:07:06,713 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:07:06,713 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_5f1ea272-6f48-4077-8786-880056dd9939/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 -> f8826e63977e5204bfb153113fa32b1df4948bea [2018-11-23 02:07:06,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:07:06,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:07:06,745 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:07:06,746 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:07:06,746 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:07:06,747 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5f1ea272-6f48-4077-8786-880056dd9939/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c [2018-11-23 02:07:06,782 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5f1ea272-6f48-4077-8786-880056dd9939/bin-2019/ukojak/data/c31df5837/677959481b6544d591a732f050d83781/FLAG4b447bda0 [2018-11-23 02:07:07,225 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:07:07,226 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5f1ea272-6f48-4077-8786-880056dd9939/sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c [2018-11-23 02:07:07,235 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5f1ea272-6f48-4077-8786-880056dd9939/bin-2019/ukojak/data/c31df5837/677959481b6544d591a732f050d83781/FLAG4b447bda0 [2018-11-23 02:07:07,246 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5f1ea272-6f48-4077-8786-880056dd9939/bin-2019/ukojak/data/c31df5837/677959481b6544d591a732f050d83781 [2018-11-23 02:07:07,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:07:07,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:07:07,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:07:07,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:07:07,252 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:07:07,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:07:07" (1/1) ... [2018-11-23 02:07:07,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e234a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:07, skipping insertion in model container [2018-11-23 02:07:07,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:07:07" (1/1) ... [2018-11-23 02:07:07,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:07:07,292 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:07:07,523 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:07:07,527 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:07:07,591 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:07:07,602 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:07:07,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:07 WrapperNode [2018-11-23 02:07:07,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:07:07,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:07:07,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:07:07,603 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:07:07,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:07" (1/1) ... [2018-11-23 02:07:07,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:07" (1/1) ... [2018-11-23 02:07:07,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:07:07,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:07:07,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:07:07,698 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:07:07,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:07" (1/1) ... [2018-11-23 02:07:07,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:07" (1/1) ... [2018-11-23 02:07:07,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:07" (1/1) ... [2018-11-23 02:07:07,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:07" (1/1) ... [2018-11-23 02:07:07,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:07" (1/1) ... [2018-11-23 02:07:07,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:07" (1/1) ... [2018-11-23 02:07:07,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:07" (1/1) ... [2018-11-23 02:07:07,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:07:07,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:07:07,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:07:07,740 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:07:07,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5f1ea272-6f48-4077-8786-880056dd9939/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 02:07:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 02:07:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:07:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:07:09,138 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:07:09,138 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 02:07:09,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:09 BoogieIcfgContainer [2018-11-23 02:07:09,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:07:09,139 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 02:07:09,139 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 02:07:09,146 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 02:07:09,146 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:09" (1/1) ... [2018-11-23 02:07:09,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:07:09,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:09,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-11-23 02:07:09,179 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-11-23 02:07:09,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 02:07:09,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:09,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:09,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:09,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 163 states and 251 transitions. [2018-11-23 02:07:09,797 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 251 transitions. [2018-11-23 02:07:09,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 02:07:09,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:09,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:10,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:10,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 241 states and 337 transitions. [2018-11-23 02:07:10,290 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 337 transitions. [2018-11-23 02:07:10,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 02:07:10,292 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:10,358 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:10,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:10,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 320 states and 429 transitions. [2018-11-23 02:07:10,789 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 429 transitions. [2018-11-23 02:07:10,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 02:07:10,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:10,822 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:10,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:10,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 329 states and 441 transitions. [2018-11-23 02:07:10,891 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 441 transitions. [2018-11-23 02:07:10,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 02:07:10,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:10,923 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:10,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:10,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 334 states and 446 transitions. [2018-11-23 02:07:10,982 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 446 transitions. [2018-11-23 02:07:10,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 02:07:10,984 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:11,016 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 02:07:11,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:11,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 344 states and 458 transitions. [2018-11-23 02:07:11,243 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 458 transitions. [2018-11-23 02:07:11,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 02:07:11,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:11,308 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:11,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:11,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 362 states and 481 transitions. [2018-11-23 02:07:11,522 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 481 transitions. [2018-11-23 02:07:11,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 02:07:11,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:11,542 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 02:07:11,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:11,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 365 states and 484 transitions. [2018-11-23 02:07:11,559 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 484 transitions. [2018-11-23 02:07:11,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 02:07:11,561 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:11,586 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:11,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:11,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 384 states and 507 transitions. [2018-11-23 02:07:11,822 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 507 transitions. [2018-11-23 02:07:11,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 02:07:11,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:11,846 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 02:07:11,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:11,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 386 states and 509 transitions. [2018-11-23 02:07:11,876 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 509 transitions. [2018-11-23 02:07:11,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 02:07:11,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:11,900 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:12,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:12,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 390 states and 516 transitions. [2018-11-23 02:07:12,128 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 516 transitions. [2018-11-23 02:07:12,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 02:07:12,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:12,149 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:12,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:12,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 405 states and 533 transitions. [2018-11-23 02:07:12,313 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 533 transitions. [2018-11-23 02:07:12,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-23 02:07:12,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:12,331 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:12,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:12,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 411 states and 539 transitions. [2018-11-23 02:07:12,368 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 539 transitions. [2018-11-23 02:07:12,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-23 02:07:12,369 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:12,421 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 02:07:12,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:12,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 415 states and 545 transitions. [2018-11-23 02:07:12,720 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 545 transitions. [2018-11-23 02:07:12,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 02:07:12,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:12,787 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:12,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:12,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 434 states and 568 transitions. [2018-11-23 02:07:12,979 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 568 transitions. [2018-11-23 02:07:12,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-23 02:07:12,980 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:13,032 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:13,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:13,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 435 states and 569 transitions. [2018-11-23 02:07:13,059 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 569 transitions. [2018-11-23 02:07:13,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-23 02:07:13,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:13,080 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 02:07:13,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:13,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 442 states and 577 transitions. [2018-11-23 02:07:13,137 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 577 transitions. [2018-11-23 02:07:13,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-23 02:07:13,138 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:13,154 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 02:07:13,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:13,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 456 states and 594 transitions. [2018-11-23 02:07:13,277 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 594 transitions. [2018-11-23 02:07:13,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-23 02:07:13,278 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:13,385 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 02:07:14,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:14,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 498 states and 648 transitions. [2018-11-23 02:07:14,206 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 648 transitions. [2018-11-23 02:07:14,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-23 02:07:14,207 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:14,229 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 02:07:14,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:14,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 518 states and 674 transitions. [2018-11-23 02:07:14,645 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 674 transitions. [2018-11-23 02:07:14,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-23 02:07:14,646 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:14,663 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:14,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:14,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 537 states and 694 transitions. [2018-11-23 02:07:14,881 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 694 transitions. [2018-11-23 02:07:14,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-23 02:07:14,882 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:14,931 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:15,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:15,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 553 states and 713 transitions. [2018-11-23 02:07:15,218 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 713 transitions. [2018-11-23 02:07:15,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 02:07:15,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:15,235 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 02:07:15,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:15,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 555 states and 715 transitions. [2018-11-23 02:07:15,254 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 715 transitions. [2018-11-23 02:07:15,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 02:07:15,254 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:15,321 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 02:07:15,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:15,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 574 states and 739 transitions. [2018-11-23 02:07:15,698 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 739 transitions. [2018-11-23 02:07:15,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 02:07:15,699 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:15,713 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 02:07:15,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:15,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 579 states and 744 transitions. [2018-11-23 02:07:15,731 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 744 transitions. [2018-11-23 02:07:15,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 02:07:15,732 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:15,779 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 02:07:16,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:16,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 599 states and 770 transitions. [2018-11-23 02:07:16,265 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 770 transitions. [2018-11-23 02:07:16,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 02:07:16,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:16,302 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:16,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:16,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 615 states and 789 transitions. [2018-11-23 02:07:16,633 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 789 transitions. [2018-11-23 02:07:16,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-23 02:07:16,633 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:16,648 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 02:07:16,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:16,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 616 states and 790 transitions. [2018-11-23 02:07:16,718 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 790 transitions. [2018-11-23 02:07:16,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 02:07:16,719 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:16,737 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 02:07:16,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:16,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 621 states and 796 transitions. [2018-11-23 02:07:16,892 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 796 transitions. [2018-11-23 02:07:16,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 02:07:16,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:16,933 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 02:07:16,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:16,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 622 states and 797 transitions. [2018-11-23 02:07:16,951 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 797 transitions. [2018-11-23 02:07:16,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-23 02:07:16,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:17,006 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 52 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 02:07:18,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:18,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 666 states and 856 transitions. [2018-11-23 02:07:18,052 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 856 transitions. [2018-11-23 02:07:18,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-23 02:07:18,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:18,109 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 52 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 02:07:18,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:18,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 684 states and 877 transitions. [2018-11-23 02:07:18,345 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 877 transitions. [2018-11-23 02:07:18,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 02:07:18,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:18,389 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:18,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:18,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 698 states and 894 transitions. [2018-11-23 02:07:18,525 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 894 transitions. [2018-11-23 02:07:18,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 02:07:18,526 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:18,550 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 02:07:18,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:18,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 719 states and 916 transitions. [2018-11-23 02:07:18,788 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 916 transitions. [2018-11-23 02:07:18,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 02:07:18,789 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:18,817 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 02:07:18,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:18,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 720 states and 917 transitions. [2018-11-23 02:07:18,936 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 917 transitions. [2018-11-23 02:07:18,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 02:07:18,937 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:18,975 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 02:07:19,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:19,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 739 states and 942 transitions. [2018-11-23 02:07:19,448 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 942 transitions. [2018-11-23 02:07:19,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 02:07:19,449 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:19,498 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 02:07:19,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:19,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 750 states and 953 transitions. [2018-11-23 02:07:19,666 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 953 transitions. [2018-11-23 02:07:19,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 02:07:19,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:19,717 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 02:07:19,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:19,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 760 states and 963 transitions. [2018-11-23 02:07:19,855 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 963 transitions. [2018-11-23 02:07:19,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-23 02:07:19,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:19,881 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:19,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:19,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 776 states and 980 transitions. [2018-11-23 02:07:19,942 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 980 transitions. [2018-11-23 02:07:19,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 02:07:19,942 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:20,024 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 02:07:20,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:20,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 808 states and 1015 transitions. [2018-11-23 02:07:20,598 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1015 transitions. [2018-11-23 02:07:20,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 02:07:20,615 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:20,633 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 02:07:20,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:20,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 815 states and 1022 transitions. [2018-11-23 02:07:20,772 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1022 transitions. [2018-11-23 02:07:20,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 02:07:20,773 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:20,847 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 71 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 02:07:20,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:20,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 821 states and 1028 transitions. [2018-11-23 02:07:20,883 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1028 transitions. [2018-11-23 02:07:20,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 02:07:20,884 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:20,939 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 71 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 02:07:21,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:21,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 831 states and 1038 transitions. [2018-11-23 02:07:21,191 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1038 transitions. [2018-11-23 02:07:21,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 02:07:21,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:21,216 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 02:07:21,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:21,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 833 states and 1040 transitions. [2018-11-23 02:07:21,288 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1040 transitions. [2018-11-23 02:07:21,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 02:07:21,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:21,435 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 02:07:21,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:21,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 849 states and 1059 transitions. [2018-11-23 02:07:21,812 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1059 transitions. [2018-11-23 02:07:21,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-23 02:07:21,813 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:21,889 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:22,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:22,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 888 states and 1102 transitions. [2018-11-23 02:07:22,327 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1102 transitions. [2018-11-23 02:07:22,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 02:07:22,328 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:22,387 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 02:07:22,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:22,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 897 states and 1112 transitions. [2018-11-23 02:07:22,575 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1112 transitions. [2018-11-23 02:07:22,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 02:07:22,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:22,620 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 02:07:22,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:22,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 910 states and 1126 transitions. [2018-11-23 02:07:22,869 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1126 transitions. [2018-11-23 02:07:22,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-23 02:07:22,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:22,916 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:22,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:22,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 933 states and 1149 transitions. [2018-11-23 02:07:22,984 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1149 transitions. [2018-11-23 02:07:22,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-23 02:07:22,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:23,007 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 02:07:23,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:23,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 959 states and 1177 transitions. [2018-11-23 02:07:23,296 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1177 transitions. [2018-11-23 02:07:23,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-23 02:07:23,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:23,601 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 02:07:25,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:25,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 999 states and 1228 transitions. [2018-11-23 02:07:25,024 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1228 transitions. [2018-11-23 02:07:25,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 02:07:25,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 79 proven. 10 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 02:07:25,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:25,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1013 states and 1243 transitions. [2018-11-23 02:07:25,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1243 transitions. [2018-11-23 02:07:25,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 02:07:25,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:25,275 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:26,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:26,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1068 states and 1303 transitions. [2018-11-23 02:07:26,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1303 transitions. [2018-11-23 02:07:26,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 02:07:26,165 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:26,197 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-23 02:07:26,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:26,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1072 states and 1306 transitions. [2018-11-23 02:07:26,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1306 transitions. [2018-11-23 02:07:26,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 02:07:26,303 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:26,364 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 79 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 02:07:26,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:26,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1084 states and 1318 transitions. [2018-11-23 02:07:26,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1318 transitions. [2018-11-23 02:07:26,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 02:07:26,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:26,564 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 79 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 02:07:26,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:26,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1095 states and 1330 transitions. [2018-11-23 02:07:26,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1330 transitions. [2018-11-23 02:07:26,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 02:07:26,932 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:26,970 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-23 02:07:27,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:27,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1098 states and 1337 transitions. [2018-11-23 02:07:27,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1337 transitions. [2018-11-23 02:07:27,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-23 02:07:27,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:27,128 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-23 02:07:27,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:27,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1112 states and 1352 transitions. [2018-11-23 02:07:27,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1352 transitions. [2018-11-23 02:07:27,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-23 02:07:27,311 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:27,366 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 02:07:27,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:27,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1150 states and 1394 transitions. [2018-11-23 02:07:27,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1394 transitions. [2018-11-23 02:07:27,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-23 02:07:27,649 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:27,671 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 02:07:27,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:27,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1173 states and 1416 transitions. [2018-11-23 02:07:27,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1416 transitions. [2018-11-23 02:07:27,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-23 02:07:27,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:28,333 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 02:07:30,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:30,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1235 states and 1480 transitions. [2018-11-23 02:07:30,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1480 transitions. [2018-11-23 02:07:30,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-23 02:07:30,356 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:30,418 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 84 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 02:07:30,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:30,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1268 states and 1512 transitions. [2018-11-23 02:07:30,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1512 transitions. [2018-11-23 02:07:30,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-23 02:07:30,584 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:30,662 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 84 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 02:07:30,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:30,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1311 states and 1557 transitions. [2018-11-23 02:07:30,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1557 transitions. [2018-11-23 02:07:30,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-23 02:07:30,939 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:30,971 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 02:07:31,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:31,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1354 states and 1601 transitions. [2018-11-23 02:07:31,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1601 transitions. [2018-11-23 02:07:31,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-23 02:07:31,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:31,920 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 02:07:32,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:32,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1364 states and 1611 transitions. [2018-11-23 02:07:32,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1611 transitions. [2018-11-23 02:07:32,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-23 02:07:32,666 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:32,752 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 02:07:33,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:33,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1425 states and 1671 transitions. [2018-11-23 02:07:33,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1671 transitions. [2018-11-23 02:07:33,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-23 02:07:33,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:33,383 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 02:07:33,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:33,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1446 states and 1696 transitions. [2018-11-23 02:07:33,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1696 transitions. [2018-11-23 02:07:33,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-23 02:07:33,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:33,643 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 02:07:33,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:33,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1459 states and 1708 transitions. [2018-11-23 02:07:33,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 1708 transitions. [2018-11-23 02:07:33,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 02:07:33,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:33,871 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 92 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 02:07:34,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:34,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1475 states and 1726 transitions. [2018-11-23 02:07:34,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1726 transitions. [2018-11-23 02:07:34,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 02:07:34,094 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:34,163 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-23 02:07:34,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:34,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1480 states and 1731 transitions. [2018-11-23 02:07:34,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 1731 transitions. [2018-11-23 02:07:34,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 02:07:34,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:34,214 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 02:07:34,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:34,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1513 states and 1765 transitions. [2018-11-23 02:07:34,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 1765 transitions. [2018-11-23 02:07:34,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 02:07:34,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:34,334 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 02:07:34,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:34,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1514 states and 1765 transitions. [2018-11-23 02:07:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1765 transitions. [2018-11-23 02:07:34,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 02:07:34,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:34,514 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-23 02:07:34,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:34,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1515 states and 1766 transitions. [2018-11-23 02:07:34,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1766 transitions. [2018-11-23 02:07:34,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-23 02:07:34,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:34,694 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 02:07:35,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:35,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1538 states and 1790 transitions. [2018-11-23 02:07:35,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 1790 transitions. [2018-11-23 02:07:35,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-23 02:07:35,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:35,147 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 02:07:35,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:35,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1600 states and 1852 transitions. [2018-11-23 02:07:35,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 1852 transitions. [2018-11-23 02:07:35,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-23 02:07:35,454 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:35,482 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 02:07:35,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:35,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1626 states and 1882 transitions. [2018-11-23 02:07:35,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 1882 transitions. [2018-11-23 02:07:35,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-23 02:07:35,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:35,914 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-23 02:07:36,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:36,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1900 states to 1642 states and 1900 transitions. [2018-11-23 02:07:36,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 1900 transitions. [2018-11-23 02:07:36,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-23 02:07:36,670 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 02:07:37,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:37,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1703 states and 1966 transitions. [2018-11-23 02:07:37,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1966 transitions. [2018-11-23 02:07:37,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-23 02:07:37,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:37,778 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 02:07:37,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:37,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2007 states to 1745 states and 2007 transitions. [2018-11-23 02:07:37,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2007 transitions. [2018-11-23 02:07:37,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-23 02:07:37,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:37,904 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 02:07:38,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:38,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 1754 states and 2018 transitions. [2018-11-23 02:07:38,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 2018 transitions. [2018-11-23 02:07:38,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-23 02:07:38,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:38,252 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-23 02:07:39,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:39,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 1779 states and 2045 transitions. [2018-11-23 02:07:39,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2045 transitions. [2018-11-23 02:07:39,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-23 02:07:39,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:39,182 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 105 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 02:07:39,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:39,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 1802 states and 2067 transitions. [2018-11-23 02:07:39,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2067 transitions. [2018-11-23 02:07:39,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 02:07:39,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:39,353 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 16 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-23 02:07:39,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:39,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 1819 states and 2087 transitions. [2018-11-23 02:07:39,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2087 transitions. [2018-11-23 02:07:39,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 02:07:39,581 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:39,629 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 66 proven. 16 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 02:07:39,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:39,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 1831 states and 2099 transitions. [2018-11-23 02:07:39,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2099 transitions. [2018-11-23 02:07:39,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-23 02:07:39,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:40,035 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 02:07:40,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:40,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 1839 states and 2115 transitions. [2018-11-23 02:07:40,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2115 transitions. [2018-11-23 02:07:40,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-23 02:07:40,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:40,557 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 02:07:40,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:40,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2120 states to 1843 states and 2120 transitions. [2018-11-23 02:07:40,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2120 transitions. [2018-11-23 02:07:40,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-23 02:07:40,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:40,950 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 123 proven. 15 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-23 02:07:41,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:41,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 1860 states and 2139 transitions. [2018-11-23 02:07:41,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2139 transitions. [2018-11-23 02:07:41,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-23 02:07:41,342 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:41,378 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:07:41,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:41,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 1876 states and 2154 transitions. [2018-11-23 02:07:41,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2154 transitions. [2018-11-23 02:07:41,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-23 02:07:41,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:41,768 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 176 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 02:07:42,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:42,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 1898 states and 2185 transitions. [2018-11-23 02:07:42,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 2185 transitions. [2018-11-23 02:07:42,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-23 02:07:42,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:42,261 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 176 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 02:07:42,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:42,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 1914 states and 2201 transitions. [2018-11-23 02:07:42,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2201 transitions. [2018-11-23 02:07:42,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-23 02:07:42,392 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:42,464 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 176 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 02:07:42,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:42,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 1918 states and 2205 transitions. [2018-11-23 02:07:42,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2205 transitions. [2018-11-23 02:07:42,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-23 02:07:42,605 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:43,211 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 02:07:45,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:45,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2306 states to 2017 states and 2306 transitions. [2018-11-23 02:07:45,788 INFO L276 IsEmpty]: Start isEmpty. Operand 2017 states and 2306 transitions. [2018-11-23 02:07:45,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 02:07:45,789 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:45,867 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 131 proven. 13 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 02:07:45,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:45,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2021 states and 2312 transitions. [2018-11-23 02:07:45,957 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 2312 transitions. [2018-11-23 02:07:45,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 02:07:45,958 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:46,043 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 131 proven. 13 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 02:07:46,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:46,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2328 states to 2037 states and 2328 transitions. [2018-11-23 02:07:46,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2328 transitions. [2018-11-23 02:07:46,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 02:07:46,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:47,160 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 02:07:49,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:49,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 2074 states and 2368 transitions. [2018-11-23 02:07:49,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2368 transitions. [2018-11-23 02:07:49,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 02:07:49,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:49,508 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 02:07:49,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:49,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2076 states and 2370 transitions. [2018-11-23 02:07:49,733 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2370 transitions. [2018-11-23 02:07:49,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-23 02:07:49,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:49,860 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 02:07:50,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:50,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 2087 states and 2385 transitions. [2018-11-23 02:07:50,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 2385 transitions. [2018-11-23 02:07:50,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-23 02:07:50,418 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:50,552 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 02:07:50,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:50,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 2096 states and 2394 transitions. [2018-11-23 02:07:50,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 2394 transitions. [2018-11-23 02:07:50,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-23 02:07:50,797 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:50,933 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 02:07:51,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:51,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2117 states and 2415 transitions. [2018-11-23 02:07:51,458 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 2415 transitions. [2018-11-23 02:07:51,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-23 02:07:51,459 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:51,620 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 149 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 02:07:53,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:53,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2155 states and 2458 transitions. [2018-11-23 02:07:53,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2458 transitions. [2018-11-23 02:07:53,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-23 02:07:53,181 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:53,248 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 02:07:53,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:53,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2189 states and 2493 transitions. [2018-11-23 02:07:53,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 2493 transitions. [2018-11-23 02:07:53,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-23 02:07:53,771 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:53,833 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-11-23 02:07:54,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:54,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2190 states and 2493 transitions. [2018-11-23 02:07:54,004 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 2493 transitions. [2018-11-23 02:07:54,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-23 02:07:54,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:54,062 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-11-23 02:07:54,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:54,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2191 states and 2493 transitions. [2018-11-23 02:07:54,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 2493 transitions. [2018-11-23 02:07:54,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-23 02:07:54,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:54,262 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 02:07:54,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:54,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2526 states to 2223 states and 2526 transitions. [2018-11-23 02:07:54,762 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2526 transitions. [2018-11-23 02:07:54,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-23 02:07:54,763 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:54,807 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 02:07:55,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:55,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2539 states to 2236 states and 2539 transitions. [2018-11-23 02:07:55,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2539 transitions. [2018-11-23 02:07:55,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-23 02:07:55,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 02:07:55,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:55,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2258 states and 2561 transitions. [2018-11-23 02:07:55,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2258 states and 2561 transitions. [2018-11-23 02:07:55,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-23 02:07:55,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:55,513 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 171 proven. 15 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-23 02:07:55,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:55,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2290 states and 2594 transitions. [2018-11-23 02:07:55,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 2594 transitions. [2018-11-23 02:07:55,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-23 02:07:55,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:55,960 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 171 proven. 15 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-23 02:07:56,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:56,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2595 states to 2291 states and 2595 transitions. [2018-11-23 02:07:56,259 INFO L276 IsEmpty]: Start isEmpty. Operand 2291 states and 2595 transitions. [2018-11-23 02:07:56,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-23 02:07:56,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:56,344 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 171 proven. 15 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-23 02:07:56,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:56,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 2301 states and 2604 transitions. [2018-11-23 02:07:56,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 2604 transitions. [2018-11-23 02:07:56,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-23 02:07:56,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:56,819 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 228 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-23 02:07:57,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:57,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 2332 states and 2639 transitions. [2018-11-23 02:07:57,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2332 states and 2639 transitions. [2018-11-23 02:07:57,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-23 02:07:57,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:57,968 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 228 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-23 02:07:58,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:58,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 2348 states and 2655 transitions. [2018-11-23 02:07:58,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 2655 transitions. [2018-11-23 02:07:58,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-23 02:07:58,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:58,344 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 194 proven. 16 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 02:07:59,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:59,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2363 states and 2674 transitions. [2018-11-23 02:07:59,117 INFO L276 IsEmpty]: Start isEmpty. Operand 2363 states and 2674 transitions. [2018-11-23 02:07:59,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-23 02:07:59,118 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:59,180 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 194 proven. 16 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 02:07:59,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:59,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2675 states to 2364 states and 2675 transitions. [2018-11-23 02:07:59,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2364 states and 2675 transitions. [2018-11-23 02:07:59,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-23 02:07:59,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:59,533 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 194 proven. 16 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 02:07:59,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:07:59,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2365 states and 2676 transitions. [2018-11-23 02:07:59,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 2676 transitions. [2018-11-23 02:07:59,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-11-23 02:07:59,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:07:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:07:59,861 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 176 proven. 6 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-11-23 02:08:00,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:00,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2398 states and 2710 transitions. [2018-11-23 02:08:00,053 INFO L276 IsEmpty]: Start isEmpty. Operand 2398 states and 2710 transitions. [2018-11-23 02:08:00,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-11-23 02:08:00,054 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:00,130 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 303 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 02:08:00,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:00,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2719 states to 2404 states and 2719 transitions. [2018-11-23 02:08:00,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 2719 transitions. [2018-11-23 02:08:00,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-23 02:08:00,365 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:00,434 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-23 02:08:02,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:02,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2776 states to 2459 states and 2776 transitions. [2018-11-23 02:08:02,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2459 states and 2776 transitions. [2018-11-23 02:08:02,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-23 02:08:02,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:02,970 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-23 02:08:03,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:03,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2497 states and 2813 transitions. [2018-11-23 02:08:03,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 2813 transitions. [2018-11-23 02:08:03,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-23 02:08:03,929 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:04,003 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-11-23 02:08:05,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:05,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 2513 states and 2833 transitions. [2018-11-23 02:08:05,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 2833 transitions. [2018-11-23 02:08:05,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-23 02:08:05,058 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:05,146 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-11-23 02:08:05,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:05,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 2514 states and 2833 transitions. [2018-11-23 02:08:05,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 2833 transitions. [2018-11-23 02:08:05,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-23 02:08:05,457 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:05,536 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-11-23 02:08:05,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 2515 states and 2834 transitions. [2018-11-23 02:08:05,825 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 2834 transitions. [2018-11-23 02:08:05,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-23 02:08:05,826 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:05,904 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-11-23 02:08:06,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:06,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 2516 states and 2834 transitions. [2018-11-23 02:08:06,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 2834 transitions. [2018-11-23 02:08:06,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-23 02:08:06,195 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:06,269 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-11-23 02:08:06,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:06,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2838 states to 2520 states and 2838 transitions. [2018-11-23 02:08:06,789 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 2838 transitions. [2018-11-23 02:08:06,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-23 02:08:06,790 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:07,079 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-23 02:08:07,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:07,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 2526 states and 2845 transitions. [2018-11-23 02:08:07,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 2845 transitions. [2018-11-23 02:08:07,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-11-23 02:08:07,775 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:07,901 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-23 02:08:08,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:08,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 2540 states and 2860 transitions. [2018-11-23 02:08:08,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 2860 transitions. [2018-11-23 02:08:08,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-11-23 02:08:08,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:08,928 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-23 02:08:10,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:10,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 2561 states and 2890 transitions. [2018-11-23 02:08:10,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 2890 transitions. [2018-11-23 02:08:10,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-11-23 02:08:10,103 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:10,147 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-23 02:08:10,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:10,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2906 states to 2575 states and 2906 transitions. [2018-11-23 02:08:10,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 2906 transitions. [2018-11-23 02:08:10,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-11-23 02:08:10,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:10,878 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-23 02:08:11,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:11,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2579 states and 2914 transitions. [2018-11-23 02:08:11,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2579 states and 2914 transitions. [2018-11-23 02:08:11,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-11-23 02:08:11,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:11,461 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-23 02:08:11,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:11,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2582 states and 2917 transitions. [2018-11-23 02:08:11,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states and 2917 transitions. [2018-11-23 02:08:11,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-23 02:08:11,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:11,896 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 99 proven. 32 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-11-23 02:08:12,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:12,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 2592 states and 2927 transitions. [2018-11-23 02:08:12,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2592 states and 2927 transitions. [2018-11-23 02:08:12,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-23 02:08:12,427 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:12,504 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 99 proven. 32 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-11-23 02:08:13,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:13,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2943 states to 2608 states and 2943 transitions. [2018-11-23 02:08:13,322 INFO L276 IsEmpty]: Start isEmpty. Operand 2608 states and 2943 transitions. [2018-11-23 02:08:13,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-23 02:08:13,323 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:13,401 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 99 proven. 32 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-11-23 02:08:13,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:13,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2954 states to 2620 states and 2954 transitions. [2018-11-23 02:08:13,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2620 states and 2954 transitions. [2018-11-23 02:08:13,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-23 02:08:13,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:14,042 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 99 proven. 32 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-11-23 02:08:14,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:14,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 2631 states and 2964 transitions. [2018-11-23 02:08:14,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 2964 transitions. [2018-11-23 02:08:14,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 02:08:14,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:14,409 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-23 02:08:14,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:14,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2644 states and 2983 transitions. [2018-11-23 02:08:14,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 2983 transitions. [2018-11-23 02:08:14,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 02:08:14,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:15,055 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 329 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 02:08:15,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:15,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 2656 states and 2994 transitions. [2018-11-23 02:08:15,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2656 states and 2994 transitions. [2018-11-23 02:08:15,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 02:08:15,105 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:15,169 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 329 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 02:08:15,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:15,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 2666 states and 3003 transitions. [2018-11-23 02:08:15,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 3003 transitions. [2018-11-23 02:08:15,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-11-23 02:08:15,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:16,333 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-23 02:08:18,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:18,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 2741 states and 3079 transitions. [2018-11-23 02:08:18,539 INFO L276 IsEmpty]: Start isEmpty. Operand 2741 states and 3079 transitions. [2018-11-23 02:08:18,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-23 02:08:18,540 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:18,622 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 281 proven. 8 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-23 02:08:18,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:18,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3102 states to 2765 states and 3102 transitions. [2018-11-23 02:08:18,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2765 states and 3102 transitions. [2018-11-23 02:08:18,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-23 02:08:18,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:18,953 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 326 proven. 4 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-23 02:08:21,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:21,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3199 states to 2847 states and 3199 transitions. [2018-11-23 02:08:21,274 INFO L276 IsEmpty]: Start isEmpty. Operand 2847 states and 3199 transitions. [2018-11-23 02:08:21,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-23 02:08:21,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:21,376 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 326 proven. 4 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-23 02:08:21,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:21,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 2851 states and 3204 transitions. [2018-11-23 02:08:21,693 INFO L276 IsEmpty]: Start isEmpty. Operand 2851 states and 3204 transitions. [2018-11-23 02:08:21,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-23 02:08:21,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:21,769 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 281 proven. 8 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-23 02:08:22,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:22,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 2860 states and 3214 transitions. [2018-11-23 02:08:22,157 INFO L276 IsEmpty]: Start isEmpty. Operand 2860 states and 3214 transitions. [2018-11-23 02:08:22,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-23 02:08:22,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:22,285 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 205 proven. 15 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-11-23 02:08:23,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:23,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3289 states to 2924 states and 3289 transitions. [2018-11-23 02:08:23,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2924 states and 3289 transitions. [2018-11-23 02:08:23,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-23 02:08:23,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:23,850 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 205 proven. 15 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-11-23 02:08:24,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:24,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3306 states to 2943 states and 3306 transitions. [2018-11-23 02:08:24,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2943 states and 3306 transitions. [2018-11-23 02:08:24,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-23 02:08:24,106 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:24,204 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 210 proven. 18 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-11-23 02:08:24,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:24,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3334 states to 2971 states and 3334 transitions. [2018-11-23 02:08:24,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 3334 transitions. [2018-11-23 02:08:24,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-23 02:08:24,313 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:24,547 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 210 proven. 18 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-11-23 02:08:24,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:24,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3338 states to 2975 states and 3338 transitions. [2018-11-23 02:08:24,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2975 states and 3338 transitions. [2018-11-23 02:08:24,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-23 02:08:24,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:24,996 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 210 proven. 18 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-11-23 02:08:25,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:25,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3338 states to 2976 states and 3338 transitions. [2018-11-23 02:08:25,283 INFO L276 IsEmpty]: Start isEmpty. Operand 2976 states and 3338 transitions. [2018-11-23 02:08:25,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-11-23 02:08:25,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:25,447 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-23 02:08:26,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:26,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3362 states to 2999 states and 3362 transitions. [2018-11-23 02:08:26,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2999 states and 3362 transitions. [2018-11-23 02:08:26,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-11-23 02:08:26,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:26,563 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-23 02:08:26,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:26,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 3000 states and 3364 transitions. [2018-11-23 02:08:26,762 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 3364 transitions. [2018-11-23 02:08:26,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-11-23 02:08:26,763 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:26,922 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-23 02:08:26,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:27,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3365 states to 3002 states and 3365 transitions. [2018-11-23 02:08:27,000 INFO L276 IsEmpty]: Start isEmpty. Operand 3002 states and 3365 transitions. [2018-11-23 02:08:27,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-11-23 02:08:27,001 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:27,907 INFO L134 CoverageAnalysis]: Checked inductivity of 547 backedges. 362 proven. 68 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-23 02:08:31,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:31,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3448 states to 3076 states and 3448 transitions. [2018-11-23 02:08:31,263 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 3448 transitions. [2018-11-23 02:08:31,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-23 02:08:31,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:31,333 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-23 02:08:32,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:32,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3462 states to 3085 states and 3462 transitions. [2018-11-23 02:08:32,457 INFO L276 IsEmpty]: Start isEmpty. Operand 3085 states and 3462 transitions. [2018-11-23 02:08:32,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-23 02:08:32,458 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:32,526 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-23 02:08:33,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:33,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3503 states to 3121 states and 3503 transitions. [2018-11-23 02:08:33,978 INFO L276 IsEmpty]: Start isEmpty. Operand 3121 states and 3503 transitions. [2018-11-23 02:08:33,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-23 02:08:33,980 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:34,046 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-23 02:08:34,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:34,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3508 states to 3126 states and 3508 transitions. [2018-11-23 02:08:34,279 INFO L276 IsEmpty]: Start isEmpty. Operand 3126 states and 3508 transitions. [2018-11-23 02:08:34,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-23 02:08:34,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:34,424 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-23 02:08:34,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:34,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3508 states to 3127 states and 3508 transitions. [2018-11-23 02:08:34,464 INFO L276 IsEmpty]: Start isEmpty. Operand 3127 states and 3508 transitions. [2018-11-23 02:08:34,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-11-23 02:08:34,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:34,536 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-23 02:08:36,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:36,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3155 states and 3540 transitions. [2018-11-23 02:08:36,003 INFO L276 IsEmpty]: Start isEmpty. Operand 3155 states and 3540 transitions. [2018-11-23 02:08:36,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-11-23 02:08:36,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:36,058 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-23 02:08:36,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:36,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3550 states to 3166 states and 3550 transitions. [2018-11-23 02:08:36,474 INFO L276 IsEmpty]: Start isEmpty. Operand 3166 states and 3550 transitions. [2018-11-23 02:08:36,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-11-23 02:08:36,476 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:36,528 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-23 02:08:36,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:36,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3558 states to 3175 states and 3558 transitions. [2018-11-23 02:08:36,713 INFO L276 IsEmpty]: Start isEmpty. Operand 3175 states and 3558 transitions. [2018-11-23 02:08:36,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-11-23 02:08:36,715 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:36,779 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-23 02:08:37,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:37,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3605 states to 3220 states and 3605 transitions. [2018-11-23 02:08:37,585 INFO L276 IsEmpty]: Start isEmpty. Operand 3220 states and 3605 transitions. [2018-11-23 02:08:37,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-11-23 02:08:37,587 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:37,651 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-23 02:08:38,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:38,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3650 states to 3266 states and 3650 transitions. [2018-11-23 02:08:38,156 INFO L276 IsEmpty]: Start isEmpty. Operand 3266 states and 3650 transitions. [2018-11-23 02:08:38,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-11-23 02:08:38,158 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:38,272 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 250 proven. 20 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-11-23 02:08:38,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:38,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3664 states to 3276 states and 3664 transitions. [2018-11-23 02:08:38,776 INFO L276 IsEmpty]: Start isEmpty. Operand 3276 states and 3664 transitions. [2018-11-23 02:08:38,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-11-23 02:08:38,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:38,893 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 250 proven. 20 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-11-23 02:08:39,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:39,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3684 states to 3291 states and 3684 transitions. [2018-11-23 02:08:39,876 INFO L276 IsEmpty]: Start isEmpty. Operand 3291 states and 3684 transitions. [2018-11-23 02:08:39,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-11-23 02:08:39,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:40,011 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 250 proven. 20 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-11-23 02:08:40,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:40,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3690 states to 3295 states and 3690 transitions. [2018-11-23 02:08:40,789 INFO L276 IsEmpty]: Start isEmpty. Operand 3295 states and 3690 transitions. [2018-11-23 02:08:40,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-11-23 02:08:40,791 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:40,937 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 333 proven. 8 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2018-11-23 02:08:41,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:41,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3695 states to 3300 states and 3695 transitions. [2018-11-23 02:08:41,451 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 3695 transitions. [2018-11-23 02:08:41,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-11-23 02:08:41,453 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:41,596 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 333 proven. 8 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2018-11-23 02:08:41,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:41,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3697 states to 3302 states and 3697 transitions. [2018-11-23 02:08:41,692 INFO L276 IsEmpty]: Start isEmpty. Operand 3302 states and 3697 transitions. [2018-11-23 02:08:41,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-11-23 02:08:41,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:41,840 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 333 proven. 8 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2018-11-23 02:08:42,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:42,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3697 states to 3303 states and 3697 transitions. [2018-11-23 02:08:42,090 INFO L276 IsEmpty]: Start isEmpty. Operand 3303 states and 3697 transitions. [2018-11-23 02:08:42,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-11-23 02:08:42,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:42,188 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 255 proven. 9 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-11-23 02:08:43,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:43,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3801 states to 3402 states and 3801 transitions. [2018-11-23 02:08:43,499 INFO L276 IsEmpty]: Start isEmpty. Operand 3402 states and 3801 transitions. [2018-11-23 02:08:43,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-11-23 02:08:43,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:43,595 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 255 proven. 9 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-11-23 02:08:44,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:44,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3850 states to 3450 states and 3850 transitions. [2018-11-23 02:08:44,504 INFO L276 IsEmpty]: Start isEmpty. Operand 3450 states and 3850 transitions. [2018-11-23 02:08:44,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-11-23 02:08:44,506 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:44,600 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 255 proven. 9 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-11-23 02:08:44,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:44,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3882 states to 3483 states and 3882 transitions. [2018-11-23 02:08:44,725 INFO L276 IsEmpty]: Start isEmpty. Operand 3483 states and 3882 transitions. [2018-11-23 02:08:44,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-11-23 02:08:44,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:45,980 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-23 02:08:48,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:48,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3917 states to 3517 states and 3917 transitions. [2018-11-23 02:08:48,366 INFO L276 IsEmpty]: Start isEmpty. Operand 3517 states and 3917 transitions. [2018-11-23 02:08:48,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-11-23 02:08:48,368 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:48,551 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-23 02:08:49,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:49,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3948 states to 3549 states and 3948 transitions. [2018-11-23 02:08:49,671 INFO L276 IsEmpty]: Start isEmpty. Operand 3549 states and 3948 transitions. [2018-11-23 02:08:49,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-11-23 02:08:49,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:49,775 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 505 proven. 8 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-11-23 02:08:50,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:50,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3974 states to 3575 states and 3974 transitions. [2018-11-23 02:08:50,011 INFO L276 IsEmpty]: Start isEmpty. Operand 3575 states and 3974 transitions. [2018-11-23 02:08:50,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-11-23 02:08:50,013 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:50,146 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 284 proven. 20 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-11-23 02:08:50,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:50,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3986 states to 3588 states and 3986 transitions. [2018-11-23 02:08:50,543 INFO L276 IsEmpty]: Start isEmpty. Operand 3588 states and 3986 transitions. [2018-11-23 02:08:50,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-11-23 02:08:50,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:50,679 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 284 proven. 20 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-11-23 02:08:50,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:50,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3989 states to 3592 states and 3989 transitions. [2018-11-23 02:08:50,780 INFO L276 IsEmpty]: Start isEmpty. Operand 3592 states and 3989 transitions. [2018-11-23 02:08:50,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-11-23 02:08:50,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:50,918 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 284 proven. 20 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-11-23 02:08:51,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:51,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3990 states to 3594 states and 3990 transitions. [2018-11-23 02:08:51,015 INFO L276 IsEmpty]: Start isEmpty. Operand 3594 states and 3990 transitions. [2018-11-23 02:08:51,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2018-11-23 02:08:51,017 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 307 proven. 9 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2018-11-23 02:08:53,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:53,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4031 states to 3634 states and 4031 transitions. [2018-11-23 02:08:53,170 INFO L276 IsEmpty]: Start isEmpty. Operand 3634 states and 4031 transitions. [2018-11-23 02:08:53,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2018-11-23 02:08:53,172 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:53,389 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 307 proven. 9 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2018-11-23 02:08:54,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:54,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4035 states to 3638 states and 4035 transitions. [2018-11-23 02:08:54,140 INFO L276 IsEmpty]: Start isEmpty. Operand 3638 states and 4035 transitions. [2018-11-23 02:08:54,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2018-11-23 02:08:54,141 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:54,242 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 617 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-11-23 02:08:54,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:54,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4043 states to 3647 states and 4043 transitions. [2018-11-23 02:08:54,309 INFO L276 IsEmpty]: Start isEmpty. Operand 3647 states and 4043 transitions. [2018-11-23 02:08:54,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2018-11-23 02:08:54,311 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:54,445 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 334 proven. 12 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2018-11-23 02:08:54,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:54,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4053 states to 3657 states and 4053 transitions. [2018-11-23 02:08:54,527 INFO L276 IsEmpty]: Start isEmpty. Operand 3657 states and 4053 transitions. [2018-11-23 02:08:54,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2018-11-23 02:08:54,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:08:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:08:54,663 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 334 proven. 12 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2018-11-23 02:08:54,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:08:54,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3298 states to 2982 states and 3298 transitions. [2018-11-23 02:08:54,900 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 3298 transitions. [2018-11-23 02:08:54,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:08:54,901 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 180 iterations. [2018-11-23 02:08:54,908 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 02:08:55,120 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 41 [2018-11-23 02:08:55,285 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 38 [2018-11-23 02:08:55,553 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 41 [2018-11-23 02:08:55,839 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 41 [2018-11-23 02:08:56,002 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 38 [2018-11-23 02:08:56,118 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 33 [2018-11-23 02:08:56,282 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2018-11-23 02:08:56,390 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2018-11-23 02:08:56,651 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 38 [2018-11-23 02:08:56,858 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 41 [2018-11-23 02:08:57,066 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 41 [2018-11-23 02:08:57,285 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 36 [2018-11-23 02:08:57,388 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 33 [2018-11-23 02:08:57,536 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 36 [2018-11-23 02:08:57,672 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 36 [2018-11-23 02:08:57,801 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 36 [2018-11-23 02:08:57,932 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 36 [2018-11-23 02:08:58,099 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 38 [2018-11-23 02:08:58,263 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 38 [2018-11-23 02:08:58,435 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 38 [2018-11-23 02:08:58,567 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 36 [2018-11-23 02:08:58,791 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 30 [2018-11-23 02:08:58,996 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 41 [2018-11-23 02:08:59,163 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2018-11-23 02:08:59,299 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 38 [2018-11-23 02:08:59,430 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 36 [2018-11-23 02:08:59,765 WARN L180 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 58 [2018-11-23 02:08:59,899 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 36 [2018-11-23 02:09:00,063 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 38 [2018-11-23 02:09:00,194 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 36 [2018-11-23 02:09:00,356 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 39 [2018-11-23 02:09:00,505 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 36 [2018-11-23 02:09:00,670 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 38 [2018-11-23 02:09:00,809 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 36 [2018-11-23 02:09:00,959 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 38 [2018-11-23 02:09:01,093 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 38 [2018-11-23 02:09:01,209 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2018-11-23 02:09:01,394 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 39 [2018-11-23 02:09:01,525 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 36 [2018-11-23 02:09:01,651 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 36 [2018-11-23 02:09:01,840 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 41 [2018-11-23 02:09:02,113 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 41 [2018-11-23 02:09:02,264 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 36 [2018-11-23 02:09:02,462 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 31 [2018-11-23 02:09:02,625 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 38 [2018-11-23 02:09:02,756 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 36 [2018-11-23 02:09:02,896 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 38 [2018-11-23 02:09:03,170 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 41 [2018-11-23 02:09:03,315 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 38 [2018-11-23 02:09:03,491 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2018-11-23 02:09:03,605 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2018-11-23 02:09:03,789 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 33 [2018-11-23 02:09:03,935 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 36 [2018-11-23 02:09:04,085 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 38 [2018-11-23 02:09:04,235 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 38 [2018-11-23 02:09:04,340 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 33 [2018-11-23 02:09:04,540 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 41 [2018-11-23 02:09:04,689 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 38 [2018-11-23 02:09:04,807 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2018-11-23 02:09:04,937 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 36 [2018-11-23 02:09:05,102 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 38 [2018-11-23 02:09:05,300 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 41 [2018-11-23 02:09:05,416 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 33 [2018-11-23 02:09:05,546 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 36 [2018-11-23 02:09:05,684 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 36 [2018-11-23 02:09:05,902 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 30 [2018-11-23 02:09:06,058 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 38 [2018-11-23 02:09:06,209 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 38 [2018-11-23 02:09:06,334 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 36 [2018-11-23 02:09:06,584 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 41 [2018-11-23 02:09:06,714 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 36 [2018-11-23 02:09:06,829 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 33 [2018-11-23 02:09:06,986 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2018-11-23 02:09:06,986 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:09:06,988 INFO L579 CodeCheckObserver]: Invariant with dag size 31 [2018-11-23 02:09:06,994 INFO L579 CodeCheckObserver]: Invariant with dag size 30 [2018-11-23 02:09:06,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 02:09:06 ImpRootNode [2018-11-23 02:09:06,996 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 02:09:06,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:09:06,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:09:06,996 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:09:06,997 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:09" (3/4) ... [2018-11-23 02:09:07,002 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:09:07,016 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-11-23 02:09:07,017 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 02:09:07,017 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 02:09:07,018 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 02:09:07,090 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5f1ea272-6f48-4077-8786-880056dd9939/bin-2019/ukojak/witness.graphml [2018-11-23 02:09:07,090 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:09:07,091 INFO L168 Benchmark]: Toolchain (without parser) took 119842.09 ms. Allocated memory was 1.0 GB in the beginning and 4.1 GB in the end (delta: 3.1 GB). Free memory was 952.3 MB in the beginning and 2.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-23 02:09:07,091 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:09:07,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.06 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 922.6 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-11-23 02:09:07,091 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 922.6 MB in the beginning and 1.1 GB in the end (delta: -209.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-23 02:09:07,092 INFO L168 Benchmark]: Boogie Preprocessor took 41.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:09:07,092 INFO L168 Benchmark]: RCFGBuilder took 1398.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 883.6 MB in the end (delta: 245.1 MB). Peak memory consumption was 245.1 MB. Max. memory is 11.5 GB. [2018-11-23 02:09:07,092 INFO L168 Benchmark]: CodeCheck took 117856.82 ms. Allocated memory was 1.2 GB in the beginning and 4.1 GB in the end (delta: 2.9 GB). Free memory was 883.6 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. [2018-11-23 02:09:07,092 INFO L168 Benchmark]: Witness Printer took 93.82 ms. Allocated memory is still 4.1 GB. Free memory is still 2.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:09:07,095 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, 105.7s OverallTime, 180 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2076670304 SDtfs, -1373627324 SDslu, 426452976 SDs, 0 SdLazy, 486219240 SolverSat, -634476288 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 754.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 255656 GetRequests, 250481 SyntacticMatches, 3901 SemanticMatches, 1274 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1159833 ImplicationChecksByTransitivity, 81.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 12.7s InterpolantComputationTime, 39237 NumberOfCodeBlocks, 39237 NumberOfCodeBlocksAsserted, 179 NumberOfCheckSat, 39058 ConstructedInterpolants, 0 QuantifiedInterpolants, 30198793 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 179 InterpolantComputations, 101 PerfectInterpolantSequences, 45429/46556 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: 544]: 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: ((((((!(a19 == 1) && a25 == 1) && !(a28 == 11)) || ((a28 < 11 && a25 == 1) && !(a11 == 1))) || ((((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1))) || (!(a17 == 9) && !(a28 == 11))) || ((!(a28 == 8) && !(a11 == 1)) && !(a28 == 11))) || ((!(a19 == 1) && !(a28 == 8)) && !(a28 == 11)) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((a25 == 1 && !(a11 == 1)) && !(a28 == 11)) || ((!(a19 == 1) && a25 == 1) && !(a28 == 11))) || ((((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1))) || (!(a17 == 9) && !(a28 == 11))) || ((!(a28 == 8) && !(a11 == 1)) && !(a28 == 11))) || ((!(a19 == 1) && !(a28 == 8)) && !(a28 == 11)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.06 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 922.6 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 922.6 MB in the beginning and 1.1 GB in the end (delta: -209.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1398.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 883.6 MB in the end (delta: 245.1 MB). Peak memory consumption was 245.1 MB. Max. memory is 11.5 GB. * CodeCheck took 117856.82 ms. Allocated memory was 1.2 GB in the beginning and 4.1 GB in the end (delta: 2.9 GB). Free memory was 883.6 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. * Witness Printer took 93.82 ms. Allocated memory is still 4.1 GB. Free memory is still 2.4 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...