./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c361f7a5-b79f-4661-856d-937259b53a6d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c361f7a5-b79f-4661-856d-937259b53a6d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c361f7a5-b79f-4661-856d-937259b53a6d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c361f7a5-b79f-4661-856d-937259b53a6d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c361f7a5-b79f-4661-856d-937259b53a6d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c361f7a5-b79f-4661-856d-937259b53a6d/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 29670da151301b8436a6c7ddafad57f5257b4a8d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:10:05,688 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:10:05,689 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:10:05,697 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:10:05,697 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:10:05,698 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:10:05,699 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:10:05,700 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:10:05,701 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:10:05,701 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:10:05,702 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:10:05,702 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:10:05,703 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:10:05,703 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:10:05,704 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:10:05,705 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:10:05,705 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:10:05,706 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:10:05,708 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:10:05,709 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:10:05,710 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:10:05,710 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:10:05,712 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:10:05,712 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:10:05,712 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:10:05,713 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:10:05,714 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:10:05,714 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:10:05,715 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:10:05,716 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:10:05,716 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:10:05,716 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:10:05,716 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:10:05,717 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:10:05,717 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:10:05,718 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:10:05,718 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c361f7a5-b79f-4661-856d-937259b53a6d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 17:10:05,728 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:10:05,728 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:10:05,729 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:10:05,729 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:10:05,729 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:10:05,729 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:10:05,730 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:10:05,730 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:10:05,730 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:10:05,730 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:10:05,730 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:10:05,730 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:10:05,731 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:10:05,731 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:10:05,731 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:10:05,731 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:10:05,731 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:10:05,731 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:10:05,731 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:10:05,732 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:10:05,732 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:10:05,732 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:10:05,732 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:10:05,732 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:10:05,732 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:10:05,733 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:10:05,733 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:10:05,733 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:10:05,733 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:10:05,733 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_c361f7a5-b79f-4661-856d-937259b53a6d/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 -> 29670da151301b8436a6c7ddafad57f5257b4a8d [2018-11-18 17:10:05,757 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:10:05,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:10:05,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:10:05,769 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:10:05,769 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:10:05,770 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c361f7a5-b79f-4661-856d-937259b53a6d/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-11-18 17:10:05,813 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c361f7a5-b79f-4661-856d-937259b53a6d/bin-2019/ukojak/data/3362e7744/abdacaf97a9e4ae38b21a6dd2d47ef22/FLAG5e2836939 [2018-11-18 17:10:06,259 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:10:06,259 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c361f7a5-b79f-4661-856d-937259b53a6d/sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-11-18 17:10:06,268 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c361f7a5-b79f-4661-856d-937259b53a6d/bin-2019/ukojak/data/3362e7744/abdacaf97a9e4ae38b21a6dd2d47ef22/FLAG5e2836939 [2018-11-18 17:10:06,284 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c361f7a5-b79f-4661-856d-937259b53a6d/bin-2019/ukojak/data/3362e7744/abdacaf97a9e4ae38b21a6dd2d47ef22 [2018-11-18 17:10:06,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:10:06,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:10:06,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:10:06,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:10:06,290 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:10:06,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:10:06" (1/1) ... [2018-11-18 17:10:06,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411459c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:06, skipping insertion in model container [2018-11-18 17:10:06,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:10:06" (1/1) ... [2018-11-18 17:10:06,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:10:06,335 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:10:06,575 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:10:06,578 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:10:06,644 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:10:06,657 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:10:06,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:06 WrapperNode [2018-11-18 17:10:06,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:10:06,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:10:06,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:10:06,658 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:10:06,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:06" (1/1) ... [2018-11-18 17:10:06,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:06" (1/1) ... [2018-11-18 17:10:06,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:10:06,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:10:06,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:10:06,765 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:10:06,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:06" (1/1) ... [2018-11-18 17:10:06,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:06" (1/1) ... [2018-11-18 17:10:06,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:06" (1/1) ... [2018-11-18 17:10:06,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:06" (1/1) ... [2018-11-18 17:10:06,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:06" (1/1) ... [2018-11-18 17:10:06,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:06" (1/1) ... [2018-11-18 17:10:06,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:06" (1/1) ... [2018-11-18 17:10:06,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:10:06,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:10:06,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:10:06,808 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:10:06,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:10:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c361f7a5-b79f-4661-856d-937259b53a6d/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:10:06,858 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 17:10:06,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:10:06,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:10:08,163 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:10:08,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:10:08 BoogieIcfgContainer [2018-11-18 17:10:08,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:10:08,164 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:10:08,164 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:10:08,171 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:10:08,171 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:10:08" (1/1) ... [2018-11-18 17:10:08,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:10:08,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:08,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-18 17:10:08,206 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-18 17:10:08,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 17:10:08,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:08,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:08,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 147 states and 246 transitions. [2018-11-18 17:10:08,881 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 246 transitions. [2018-11-18 17:10:08,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 17:10:08,882 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:08,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:09,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:09,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 148 states and 247 transitions. [2018-11-18 17:10:09,201 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 247 transitions. [2018-11-18 17:10:09,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 17:10:09,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:09,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:09,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 153 states and 256 transitions. [2018-11-18 17:10:09,315 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 256 transitions. [2018-11-18 17:10:09,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 17:10:09,319 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:09,395 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:09,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:09,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 158 states and 264 transitions. [2018-11-18 17:10:09,533 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 264 transitions. [2018-11-18 17:10:09,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 17:10:09,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:09,555 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 17:10:09,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:09,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 159 states and 265 transitions. [2018-11-18 17:10:09,624 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 265 transitions. [2018-11-18 17:10:09,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 17:10:09,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 17:10:10,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:10,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 172 states and 287 transitions. [2018-11-18 17:10:10,041 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 287 transitions. [2018-11-18 17:10:10,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 17:10:10,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:10,102 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:10,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:10,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 187 states and 310 transitions. [2018-11-18 17:10:10,474 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 310 transitions. [2018-11-18 17:10:10,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 17:10:10,475 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:10,620 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 17:10:11,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:11,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 198 states and 327 transitions. [2018-11-18 17:10:11,155 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 327 transitions. [2018-11-18 17:10:11,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 17:10:11,156 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:11,181 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:11,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:11,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 206 states and 337 transitions. [2018-11-18 17:10:11,369 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 337 transitions. [2018-11-18 17:10:11,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 17:10:11,369 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:11,454 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:12,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:12,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 222 states and 362 transitions. [2018-11-18 17:10:12,022 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 362 transitions. [2018-11-18 17:10:12,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 17:10:12,023 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:12,049 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:12,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:12,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 229 states and 373 transitions. [2018-11-18 17:10:12,464 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 373 transitions. [2018-11-18 17:10:12,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-18 17:10:12,465 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:12,513 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:10:12,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:12,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 234 states and 380 transitions. [2018-11-18 17:10:12,773 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 380 transitions. [2018-11-18 17:10:12,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-18 17:10:12,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:12,792 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:10:13,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:13,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 237 states and 386 transitions. [2018-11-18 17:10:13,060 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 386 transitions. [2018-11-18 17:10:13,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 17:10:13,061 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:13,138 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:13,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:13,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 242 states and 394 transitions. [2018-11-18 17:10:13,324 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 394 transitions. [2018-11-18 17:10:13,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 17:10:13,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:13,345 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:13,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:13,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 243 states and 396 transitions. [2018-11-18 17:10:13,451 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 396 transitions. [2018-11-18 17:10:13,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 17:10:13,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:13,476 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 17:10:13,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:13,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 254 states and 408 transitions. [2018-11-18 17:10:13,845 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 408 transitions. [2018-11-18 17:10:13,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 17:10:13,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:13,867 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 17:10:14,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:14,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 261 states and 416 transitions. [2018-11-18 17:10:14,196 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 416 transitions. [2018-11-18 17:10:14,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 17:10:14,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:14,216 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:14,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:14,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 274 states and 432 transitions. [2018-11-18 17:10:14,561 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 432 transitions. [2018-11-18 17:10:14,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 17:10:14,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:14,582 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 17:10:14,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:14,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 280 states and 441 transitions. [2018-11-18 17:10:14,827 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 441 transitions. [2018-11-18 17:10:14,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 17:10:14,828 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:14,840 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:15,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:15,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 295 states and 460 transitions. [2018-11-18 17:10:15,191 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 460 transitions. [2018-11-18 17:10:15,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 17:10:15,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:15,206 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 17:10:15,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:15,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 303 states and 471 transitions. [2018-11-18 17:10:15,430 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 471 transitions. [2018-11-18 17:10:15,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 17:10:15,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:15,536 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:16,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:16,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 320 states and 492 transitions. [2018-11-18 17:10:16,159 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 492 transitions. [2018-11-18 17:10:16,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 17:10:16,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:16,178 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 17:10:16,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:16,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 328 states and 499 transitions. [2018-11-18 17:10:16,279 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 499 transitions. [2018-11-18 17:10:16,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 17:10:16,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:16,297 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 17:10:16,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:16,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 336 states and 507 transitions. [2018-11-18 17:10:16,511 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 507 transitions. [2018-11-18 17:10:16,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 17:10:16,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:16,529 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:16,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:16,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 348 states and 522 transitions. [2018-11-18 17:10:16,980 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 522 transitions. [2018-11-18 17:10:16,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 17:10:16,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:16,996 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:17,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:17,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 352 states and 526 transitions. [2018-11-18 17:10:17,140 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 526 transitions. [2018-11-18 17:10:17,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 17:10:17,141 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:17,192 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 17:10:17,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:17,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 354 states and 528 transitions. [2018-11-18 17:10:17,284 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 528 transitions. [2018-11-18 17:10:17,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 17:10:17,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:17,338 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:17,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:17,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 360 states and 542 transitions. [2018-11-18 17:10:17,655 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 542 transitions. [2018-11-18 17:10:17,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 17:10:17,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:17,682 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:18,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:18,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 431 states and 618 transitions. [2018-11-18 17:10:18,127 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 618 transitions. [2018-11-18 17:10:18,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 17:10:18,128 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:18,197 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:19,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:19,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 449 states and 642 transitions. [2018-11-18 17:10:19,087 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 642 transitions. [2018-11-18 17:10:19,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 17:10:19,088 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:19,150 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:19,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:19,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 463 states and 664 transitions. [2018-11-18 17:10:19,834 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 664 transitions. [2018-11-18 17:10:19,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 17:10:19,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:19,860 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:20,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:20,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 473 states and 676 transitions. [2018-11-18 17:10:20,197 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 676 transitions. [2018-11-18 17:10:20,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 17:10:20,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:20,225 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:20,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:20,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 475 states and 678 transitions. [2018-11-18 17:10:20,407 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 678 transitions. [2018-11-18 17:10:20,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 17:10:20,407 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:20,425 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:20,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:20,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 486 states and 694 transitions. [2018-11-18 17:10:20,953 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 694 transitions. [2018-11-18 17:10:20,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 17:10:20,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:20,976 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:21,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:21,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 488 states and 696 transitions. [2018-11-18 17:10:21,116 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 696 transitions. [2018-11-18 17:10:21,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 17:10:21,116 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:21,134 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:10:21,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:21,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 489 states and 699 transitions. [2018-11-18 17:10:21,286 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 699 transitions. [2018-11-18 17:10:21,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 17:10:21,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:21,317 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 17:10:21,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:21,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 504 states and 720 transitions. [2018-11-18 17:10:21,999 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 720 transitions. [2018-11-18 17:10:22,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 17:10:22,000 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:22,098 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 17:10:22,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:22,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 527 states and 750 transitions. [2018-11-18 17:10:22,738 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 750 transitions. [2018-11-18 17:10:22,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 17:10:22,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:22,785 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:23,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:23,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 538 states and 763 transitions. [2018-11-18 17:10:23,021 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 763 transitions. [2018-11-18 17:10:23,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 17:10:23,021 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:23,079 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:23,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:23,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 541 states and 768 transitions. [2018-11-18 17:10:23,478 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 768 transitions. [2018-11-18 17:10:23,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 17:10:23,479 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:23,551 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:23,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:23,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 543 states and 771 transitions. [2018-11-18 17:10:23,662 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 771 transitions. [2018-11-18 17:10:23,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 17:10:23,663 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:23,682 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:23,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:23,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 544 states and 771 transitions. [2018-11-18 17:10:23,769 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 771 transitions. [2018-11-18 17:10:23,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 17:10:23,769 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:23,802 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:23,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:23,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 551 states and 779 transitions. [2018-11-18 17:10:23,951 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 779 transitions. [2018-11-18 17:10:23,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 17:10:23,951 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:24,101 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:24,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:24,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 568 states and 804 transitions. [2018-11-18 17:10:24,679 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 804 transitions. [2018-11-18 17:10:24,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 17:10:24,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:24,702 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:25,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:25,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 603 states and 855 transitions. [2018-11-18 17:10:25,970 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 855 transitions. [2018-11-18 17:10:25,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 17:10:25,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:26,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:26,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 619 states and 871 transitions. [2018-11-18 17:10:26,462 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 871 transitions. [2018-11-18 17:10:26,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 17:10:26,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:26,485 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:27,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:27,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 629 states and 881 transitions. [2018-11-18 17:10:27,155 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 881 transitions. [2018-11-18 17:10:27,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 17:10:27,155 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:27,177 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:27,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:27,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 638 states and 890 transitions. [2018-11-18 17:10:27,524 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 890 transitions. [2018-11-18 17:10:27,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 17:10:27,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:27,558 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:27,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:27,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 647 states and 900 transitions. [2018-11-18 17:10:27,896 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 900 transitions. [2018-11-18 17:10:27,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 17:10:27,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:27,932 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:28,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:28,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 648 states and 901 transitions. [2018-11-18 17:10:28,106 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 901 transitions. [2018-11-18 17:10:28,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 17:10:28,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:28,134 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:10:29,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:29,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 662 states and 922 transitions. [2018-11-18 17:10:29,067 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 922 transitions. [2018-11-18 17:10:29,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 17:10:29,068 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:29,090 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:10:29,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:29,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 664 states and 925 transitions. [2018-11-18 17:10:29,189 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 925 transitions. [2018-11-18 17:10:29,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 17:10:29,189 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:29,209 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:10:29,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:29,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 667 states and 927 transitions. [2018-11-18 17:10:29,496 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 927 transitions. [2018-11-18 17:10:29,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 17:10:29,496 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:29,524 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:10:29,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:29,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 676 states and 936 transitions. [2018-11-18 17:10:29,893 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 936 transitions. [2018-11-18 17:10:29,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 17:10:29,894 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:29,911 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:10:30,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:30,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 677 states and 936 transitions. [2018-11-18 17:10:30,086 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 936 transitions. [2018-11-18 17:10:30,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 17:10:30,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:30,133 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:30,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:30,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 684 states and 944 transitions. [2018-11-18 17:10:30,166 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 944 transitions. [2018-11-18 17:10:30,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 17:10:30,167 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:30,190 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:10:30,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:30,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 685 states and 947 transitions. [2018-11-18 17:10:30,212 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 947 transitions. [2018-11-18 17:10:30,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 17:10:30,213 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:30,242 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:10:30,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:30,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 686 states and 948 transitions. [2018-11-18 17:10:30,463 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 948 transitions. [2018-11-18 17:10:30,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 17:10:30,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 17:10:31,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:31,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 709 states and 975 transitions. [2018-11-18 17:10:31,334 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 975 transitions. [2018-11-18 17:10:31,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 17:10:31,335 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:31,610 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:33,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:33,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 754 states and 1022 transitions. [2018-11-18 17:10:33,245 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1022 transitions. [2018-11-18 17:10:33,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 17:10:33,245 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:33,459 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:34,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:34,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 768 states and 1044 transitions. [2018-11-18 17:10:34,116 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1044 transitions. [2018-11-18 17:10:34,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 17:10:34,117 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:34,168 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 17:10:34,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:34,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 774 states and 1055 transitions. [2018-11-18 17:10:34,336 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1055 transitions. [2018-11-18 17:10:34,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 17:10:34,337 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:34,367 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:34,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:34,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 780 states and 1068 transitions. [2018-11-18 17:10:34,809 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1068 transitions. [2018-11-18 17:10:34,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 17:10:34,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:34,831 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:35,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:35,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 783 states and 1072 transitions. [2018-11-18 17:10:35,214 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1072 transitions. [2018-11-18 17:10:35,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 17:10:35,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:35,274 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:35,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:35,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 785 states and 1074 transitions. [2018-11-18 17:10:35,480 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1074 transitions. [2018-11-18 17:10:35,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 17:10:35,480 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:35,503 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:35,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:35,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 786 states and 1074 transitions. [2018-11-18 17:10:35,695 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1074 transitions. [2018-11-18 17:10:35,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 17:10:35,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:35,793 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:37,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:37,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 811 states and 1105 transitions. [2018-11-18 17:10:37,206 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1105 transitions. [2018-11-18 17:10:37,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 17:10:37,206 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:37,234 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:37,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:37,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 819 states and 1112 transitions. [2018-11-18 17:10:37,367 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1112 transitions. [2018-11-18 17:10:37,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 17:10:37,368 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:37,390 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:37,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:37,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 827 states and 1119 transitions. [2018-11-18 17:10:37,694 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1119 transitions. [2018-11-18 17:10:37,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 17:10:37,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:37,741 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:37,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:37,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 832 states and 1127 transitions. [2018-11-18 17:10:37,767 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1127 transitions. [2018-11-18 17:10:37,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 17:10:37,768 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:37,834 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 100 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-18 17:10:38,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:38,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 835 states and 1131 transitions. [2018-11-18 17:10:38,405 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1131 transitions. [2018-11-18 17:10:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 17:10:38,406 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:38,469 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 100 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-18 17:10:39,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:39,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 845 states and 1141 transitions. [2018-11-18 17:10:39,010 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1141 transitions. [2018-11-18 17:10:39,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 17:10:39,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:39,030 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:10:39,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:39,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 853 states and 1154 transitions. [2018-11-18 17:10:39,169 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1154 transitions. [2018-11-18 17:10:39,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 17:10:39,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:39,188 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:10:39,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:39,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 855 states and 1155 transitions. [2018-11-18 17:10:39,411 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1155 transitions. [2018-11-18 17:10:39,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 17:10:39,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:39,431 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:10:39,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:39,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 859 states and 1158 transitions. [2018-11-18 17:10:39,620 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1158 transitions. [2018-11-18 17:10:39,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 17:10:39,621 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:39,644 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:10:42,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:42,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 904 states and 1227 transitions. [2018-11-18 17:10:42,639 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1227 transitions. [2018-11-18 17:10:42,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 17:10:42,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:42,662 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:10:43,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:43,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 916 states and 1241 transitions. [2018-11-18 17:10:43,832 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1241 transitions. [2018-11-18 17:10:43,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 17:10:43,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:43,858 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:10:44,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:44,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 942 states and 1268 transitions. [2018-11-18 17:10:44,518 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1268 transitions. [2018-11-18 17:10:44,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 17:10:44,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:44,540 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:10:44,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:44,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 950 states and 1276 transitions. [2018-11-18 17:10:44,792 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1276 transitions. [2018-11-18 17:10:44,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 17:10:44,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:44,815 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:10:44,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:44,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 951 states and 1276 transitions. [2018-11-18 17:10:44,973 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1276 transitions. [2018-11-18 17:10:44,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 17:10:44,974 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:45,058 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 103 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-18 17:10:45,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:45,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 958 states and 1287 transitions. [2018-11-18 17:10:45,847 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1287 transitions. [2018-11-18 17:10:45,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 17:10:45,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:45,908 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 103 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-18 17:10:46,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:46,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 961 states and 1291 transitions. [2018-11-18 17:10:46,274 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1291 transitions. [2018-11-18 17:10:46,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 17:10:46,274 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:46,345 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 103 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-18 17:10:46,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:46,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 963 states and 1293 transitions. [2018-11-18 17:10:46,632 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1293 transitions. [2018-11-18 17:10:46,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 17:10:46,632 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:46,765 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:10:47,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:47,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 980 states and 1316 transitions. [2018-11-18 17:10:47,869 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1316 transitions. [2018-11-18 17:10:47,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 17:10:47,870 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:48,414 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 17:10:50,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:50,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1005 states and 1346 transitions. [2018-11-18 17:10:50,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1346 transitions. [2018-11-18 17:10:50,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 17:10:50,183 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:50,214 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:51,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:51,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1030 states and 1376 transitions. [2018-11-18 17:10:51,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1376 transitions. [2018-11-18 17:10:51,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 17:10:51,030 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:51,067 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:51,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:51,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1034 states and 1379 transitions. [2018-11-18 17:10:51,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1379 transitions. [2018-11-18 17:10:51,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 17:10:51,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:51,239 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:51,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:51,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1035 states and 1379 transitions. [2018-11-18 17:10:51,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1379 transitions. [2018-11-18 17:10:51,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 17:10:51,400 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:51,421 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 17:10:52,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:52,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1052 states and 1398 transitions. [2018-11-18 17:10:52,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1398 transitions. [2018-11-18 17:10:52,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 17:10:52,082 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:52,103 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 17:10:52,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:52,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1063 states and 1409 transitions. [2018-11-18 17:10:52,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1409 transitions. [2018-11-18 17:10:52,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 17:10:52,647 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:52,674 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 17:10:53,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:53,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1070 states and 1419 transitions. [2018-11-18 17:10:53,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1419 transitions. [2018-11-18 17:10:53,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 17:10:53,212 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:53,285 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 17:10:53,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:53,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1073 states and 1422 transitions. [2018-11-18 17:10:53,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1422 transitions. [2018-11-18 17:10:53,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 17:10:53,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:53,349 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:10:53,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:53,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1092 states and 1443 transitions. [2018-11-18 17:10:53,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1443 transitions. [2018-11-18 17:10:53,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 17:10:53,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:53,592 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 17:10:53,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:53,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1100 states and 1455 transitions. [2018-11-18 17:10:53,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1455 transitions. [2018-11-18 17:10:53,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 17:10:53,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:53,883 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 17:10:54,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:54,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1105 states and 1460 transitions. [2018-11-18 17:10:54,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1460 transitions. [2018-11-18 17:10:54,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 17:10:54,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:54,184 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 17:10:54,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:54,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1110 states and 1465 transitions. [2018-11-18 17:10:54,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1465 transitions. [2018-11-18 17:10:54,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 17:10:54,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:54,452 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 17:10:54,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:54,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1119 states and 1477 transitions. [2018-11-18 17:10:54,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1477 transitions. [2018-11-18 17:10:54,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 17:10:54,872 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:54,901 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:10:55,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:55,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1123 states and 1480 transitions. [2018-11-18 17:10:55,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1480 transitions. [2018-11-18 17:10:55,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 17:10:55,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:55,185 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-18 17:10:55,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:55,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1134 states and 1491 transitions. [2018-11-18 17:10:55,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1491 transitions. [2018-11-18 17:10:55,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 17:10:55,560 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:55,584 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:10:55,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:55,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1153 states and 1512 transitions. [2018-11-18 17:10:55,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1512 transitions. [2018-11-18 17:10:55,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 17:10:55,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:55,667 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:10:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:55,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1158 states and 1518 transitions. [2018-11-18 17:10:55,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1518 transitions. [2018-11-18 17:10:55,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 17:10:55,827 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:55,912 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:10:56,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:56,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1162 states and 1522 transitions. [2018-11-18 17:10:56,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1522 transitions. [2018-11-18 17:10:56,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 17:10:56,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:56,238 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 17:10:56,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:56,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1182 states and 1547 transitions. [2018-11-18 17:10:56,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1547 transitions. [2018-11-18 17:10:56,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 17:10:56,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:56,620 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:10:57,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:57,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1191 states and 1562 transitions. [2018-11-18 17:10:57,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1562 transitions. [2018-11-18 17:10:57,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 17:10:57,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:57,212 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:10:57,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:57,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1196 states and 1572 transitions. [2018-11-18 17:10:57,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1572 transitions. [2018-11-18 17:10:57,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 17:10:57,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:57,637 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 17:10:57,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:57,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1198 states and 1573 transitions. [2018-11-18 17:10:57,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1573 transitions. [2018-11-18 17:10:57,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 17:10:57,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:57,841 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 17:10:58,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:58,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1202 states and 1577 transitions. [2018-11-18 17:10:58,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1577 transitions. [2018-11-18 17:10:58,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 17:10:58,016 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:58,047 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 17:10:58,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:58,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1213 states and 1590 transitions. [2018-11-18 17:10:58,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1590 transitions. [2018-11-18 17:10:58,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 17:10:58,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:58,245 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 17:10:58,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:58,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1221 states and 1597 transitions. [2018-11-18 17:10:58,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1597 transitions. [2018-11-18 17:10:58,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 17:10:58,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:58,450 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 17:10:58,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:58,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1230 states and 1605 transitions. [2018-11-18 17:10:58,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1605 transitions. [2018-11-18 17:10:58,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 17:10:58,830 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:58,862 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 17:10:59,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:59,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1235 states and 1612 transitions. [2018-11-18 17:10:59,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1612 transitions. [2018-11-18 17:10:59,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 17:10:59,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:59,227 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 17:10:59,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:10:59,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1240 states and 1617 transitions. [2018-11-18 17:10:59,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1617 transitions. [2018-11-18 17:10:59,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 17:10:59,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:10:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:10:59,811 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 113 proven. 11 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:11:01,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:01,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1274 states and 1656 transitions. [2018-11-18 17:11:01,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1656 transitions. [2018-11-18 17:11:01,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 17:11:01,504 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:01,543 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 17:11:03,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:03,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1311 states and 1701 transitions. [2018-11-18 17:11:03,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1701 transitions. [2018-11-18 17:11:03,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 17:11:03,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:03,188 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 17:11:04,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:04,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1340 states and 1732 transitions. [2018-11-18 17:11:04,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1732 transitions. [2018-11-18 17:11:04,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 17:11:04,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:05,798 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 17:11:08,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:08,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1393 states and 1787 transitions. [2018-11-18 17:11:08,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1787 transitions. [2018-11-18 17:11:08,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 17:11:08,647 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:08,687 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 17:11:10,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:10,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1431 states and 1837 transitions. [2018-11-18 17:11:10,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 1837 transitions. [2018-11-18 17:11:10,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 17:11:10,008 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:10,058 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 17:11:11,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:11,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1443 states and 1850 transitions. [2018-11-18 17:11:11,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1850 transitions. [2018-11-18 17:11:11,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 17:11:11,040 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:11,079 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 17:11:11,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:11,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1444 states and 1850 transitions. [2018-11-18 17:11:11,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1850 transitions. [2018-11-18 17:11:11,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 17:11:11,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:11,508 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 17:11:11,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:11,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1445 states and 1850 transitions. [2018-11-18 17:11:11,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1850 transitions. [2018-11-18 17:11:11,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-18 17:11:11,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:11,876 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-18 17:11:12,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:12,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1450 states and 1857 transitions. [2018-11-18 17:11:12,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 1857 transitions. [2018-11-18 17:11:12,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-18 17:11:12,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:12,437 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-18 17:11:12,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:12,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1457 states and 1866 transitions. [2018-11-18 17:11:12,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 1866 transitions. [2018-11-18 17:11:12,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 17:11:12,718 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:12,750 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 17:11:14,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:14,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1518 states and 1932 transitions. [2018-11-18 17:11:14,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1932 transitions. [2018-11-18 17:11:14,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 17:11:14,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:14,380 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 17:11:15,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:15,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1555 states and 1968 transitions. [2018-11-18 17:11:15,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 1968 transitions. [2018-11-18 17:11:15,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 17:11:15,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:15,595 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 17:11:15,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:15,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1564 states and 1977 transitions. [2018-11-18 17:11:15,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 1977 transitions. [2018-11-18 17:11:15,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-18 17:11:15,915 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:15,944 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 218 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 17:11:16,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:16,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1574 states and 1990 transitions. [2018-11-18 17:11:16,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 1990 transitions. [2018-11-18 17:11:16,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 17:11:16,446 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:16,478 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 17:11:16,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:16,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 1613 states and 2027 transitions. [2018-11-18 17:11:16,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1613 states and 2027 transitions. [2018-11-18 17:11:16,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 17:11:16,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:16,624 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 17:11:16,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:16,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 1614 states and 2027 transitions. [2018-11-18 17:11:16,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2027 transitions. [2018-11-18 17:11:16,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 17:11:16,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:16,831 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-11-18 17:11:16,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:16,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 1620 states and 2032 transitions. [2018-11-18 17:11:16,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 2032 transitions. [2018-11-18 17:11:16,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 17:11:16,874 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:17,436 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 165 proven. 26 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:11:20,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:20,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 1669 states and 2097 transitions. [2018-11-18 17:11:20,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2097 transitions. [2018-11-18 17:11:20,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 17:11:20,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 165 proven. 26 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:11:21,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:21,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 1670 states and 2098 transitions. [2018-11-18 17:11:21,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 2098 transitions. [2018-11-18 17:11:21,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 17:11:21,167 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:21,359 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 165 proven. 26 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 17:11:21,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:21,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 1671 states and 2099 transitions. [2018-11-18 17:11:21,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2099 transitions. [2018-11-18 17:11:21,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 17:11:21,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:21,728 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-18 17:11:22,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:22,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 1676 states and 2105 transitions. [2018-11-18 17:11:22,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 2105 transitions. [2018-11-18 17:11:22,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 17:11:22,067 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:22,120 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-18 17:11:22,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:22,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2108 states to 1680 states and 2108 transitions. [2018-11-18 17:11:22,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2108 transitions. [2018-11-18 17:11:22,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 17:11:22,413 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:22,447 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-18 17:11:22,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:22,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2108 states to 1681 states and 2108 transitions. [2018-11-18 17:11:22,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 2108 transitions. [2018-11-18 17:11:22,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 17:11:22,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:23,903 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 230 proven. 10 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-18 17:11:26,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:26,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 1706 states and 2137 transitions. [2018-11-18 17:11:26,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2137 transitions. [2018-11-18 17:11:26,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 17:11:26,193 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:26,295 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 230 proven. 10 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-18 17:11:27,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:27,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 1710 states and 2142 transitions. [2018-11-18 17:11:27,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2142 transitions. [2018-11-18 17:11:27,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 17:11:27,021 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:27,052 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 17:11:27,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:27,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2162 states to 1728 states and 2162 transitions. [2018-11-18 17:11:27,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 2162 transitions. [2018-11-18 17:11:27,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 17:11:27,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:27,725 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 17:11:28,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:28,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1737 states and 2172 transitions. [2018-11-18 17:11:28,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 2172 transitions. [2018-11-18 17:11:28,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 17:11:28,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:28,939 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 17:11:32,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:32,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 1809 states and 2275 transitions. [2018-11-18 17:11:32,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2275 transitions. [2018-11-18 17:11:32,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 17:11:32,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:32,927 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 17:11:34,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:34,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 1834 states and 2300 transitions. [2018-11-18 17:11:34,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 2300 transitions. [2018-11-18 17:11:34,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 17:11:34,535 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:34,638 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 17:11:35,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:35,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 1837 states and 2308 transitions. [2018-11-18 17:11:35,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2308 transitions. [2018-11-18 17:11:35,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 17:11:35,754 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:35,900 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 17:11:36,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:36,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 1839 states and 2312 transitions. [2018-11-18 17:11:36,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2312 transitions. [2018-11-18 17:11:36,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 17:11:36,699 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:36,806 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 17:11:37,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:37,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 1842 states and 2315 transitions. [2018-11-18 17:11:37,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2315 transitions. [2018-11-18 17:11:37,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 17:11:37,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:37,618 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 17:11:37,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:37,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 1843 states and 2315 transitions. [2018-11-18 17:11:37,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2315 transitions. [2018-11-18 17:11:37,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 17:11:37,990 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:38,097 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 17:11:38,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:38,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 1844 states and 2315 transitions. [2018-11-18 17:11:38,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 2315 transitions. [2018-11-18 17:11:38,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 17:11:38,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:40,525 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 17:11:47,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:47,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 1935 states and 2409 transitions. [2018-11-18 17:11:47,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1935 states and 2409 transitions. [2018-11-18 17:11:47,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-18 17:11:47,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:47,168 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-11-18 17:11:47,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:47,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 1940 states and 2415 transitions. [2018-11-18 17:11:47,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1940 states and 2415 transitions. [2018-11-18 17:11:47,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 17:11:47,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:47,584 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 17:11:47,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:47,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 1966 states and 2439 transitions. [2018-11-18 17:11:47,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 2439 transitions. [2018-11-18 17:11:47,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 17:11:47,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:47,917 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 17:11:50,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:50,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2470 states to 1988 states and 2470 transitions. [2018-11-18 17:11:50,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2470 transitions. [2018-11-18 17:11:50,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 17:11:50,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:50,563 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 17:11:50,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:50,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2470 states to 1989 states and 2470 transitions. [2018-11-18 17:11:50,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1989 states and 2470 transitions. [2018-11-18 17:11:50,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 17:11:50,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:51,020 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 17:11:52,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:52,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2471 states to 1992 states and 2471 transitions. [2018-11-18 17:11:52,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2471 transitions. [2018-11-18 17:11:52,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 17:11:52,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:52,172 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 17:11:53,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:53,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 1999 states and 2477 transitions. [2018-11-18 17:11:53,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 2477 transitions. [2018-11-18 17:11:53,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-18 17:11:53,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:53,276 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 190 proven. 5 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-11-18 17:11:54,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:54,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 2075 states and 2557 transitions. [2018-11-18 17:11:54,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2557 transitions. [2018-11-18 17:11:54,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 17:11:54,295 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:54,355 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-11-18 17:11:54,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:54,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 2076 states and 2557 transitions. [2018-11-18 17:11:54,404 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2557 transitions. [2018-11-18 17:11:54,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-18 17:11:54,405 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:55,255 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 334 proven. 112 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 17:11:58,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:58,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 2096 states and 2589 transitions. [2018-11-18 17:11:58,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 2589 transitions. [2018-11-18 17:11:58,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-18 17:11:58,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:58,806 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 334 proven. 112 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 17:11:59,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:11:59,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 2104 states and 2596 transitions. [2018-11-18 17:11:59,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2596 transitions. [2018-11-18 17:11:59,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-11-18 17:11:59,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:11:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:11:59,335 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 301 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-11-18 17:12:00,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:00,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2601 states to 2108 states and 2601 transitions. [2018-11-18 17:12:00,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 2601 transitions. [2018-11-18 17:12:00,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-11-18 17:12:00,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:00,571 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 409 proven. 5 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-18 17:12:01,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:01,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2118 states and 2615 transitions. [2018-11-18 17:12:01,808 INFO L276 IsEmpty]: Start isEmpty. Operand 2118 states and 2615 transitions. [2018-11-18 17:12:01,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-11-18 17:12:01,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:01,887 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 409 proven. 5 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-18 17:12:02,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:02,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2119 states and 2616 transitions. [2018-11-18 17:12:02,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 2616 transitions. [2018-11-18 17:12:02,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-11-18 17:12:02,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:02,416 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 409 proven. 5 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-18 17:12:02,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2620 states to 2120 states and 2620 transitions. [2018-11-18 17:12:02,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2120 states and 2620 transitions. [2018-11-18 17:12:02,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-11-18 17:12:02,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:02,948 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-11-18 17:12:03,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:03,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2634 states to 2133 states and 2634 transitions. [2018-11-18 17:12:03,479 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2634 transitions. [2018-11-18 17:12:03,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-11-18 17:12:03,480 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:03,672 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-18 17:12:04,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:04,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2138 states and 2644 transitions. [2018-11-18 17:12:04,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 2644 transitions. [2018-11-18 17:12:04,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-11-18 17:12:04,119 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:04,295 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 387 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-11-18 17:12:05,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:05,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2658 states to 2153 states and 2658 transitions. [2018-11-18 17:12:05,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2658 transitions. [2018-11-18 17:12:05,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-11-18 17:12:05,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:06,360 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 584 proven. 6 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-11-18 17:12:11,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:11,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2209 states and 2721 transitions. [2018-11-18 17:12:11,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2209 states and 2721 transitions. [2018-11-18 17:12:11,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 17:12:11,009 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:11,079 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-18 17:12:11,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:11,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2210 states and 2722 transitions. [2018-11-18 17:12:11,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 2722 transitions. [2018-11-18 17:12:11,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 17:12:11,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:11,693 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-18 17:12:12,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:12,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2213 states and 2725 transitions. [2018-11-18 17:12:12,204 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2725 transitions. [2018-11-18 17:12:12,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-18 17:12:12,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:12,507 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 372 proven. 106 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-11-18 17:12:13,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:13,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2224 states and 2737 transitions. [2018-11-18 17:12:13,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2224 states and 2737 transitions. [2018-11-18 17:12:13,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-18 17:12:13,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:13,743 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 372 proven. 106 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-11-18 17:12:14,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:14,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 2235 states and 2747 transitions. [2018-11-18 17:12:14,647 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2747 transitions. [2018-11-18 17:12:14,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-18 17:12:14,648 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:14,751 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 372 proven. 106 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-11-18 17:12:15,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:15,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 2236 states and 2747 transitions. [2018-11-18 17:12:15,216 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 2747 transitions. [2018-11-18 17:12:15,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-18 17:12:15,217 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:15,447 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 452 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-18 17:12:16,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:16,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2245 states and 2759 transitions. [2018-11-18 17:12:16,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 2759 transitions. [2018-11-18 17:12:16,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-18 17:12:16,293 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:16,348 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-18 17:12:16,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:16,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2253 states and 2766 transitions. [2018-11-18 17:12:16,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 2766 transitions. [2018-11-18 17:12:16,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-18 17:12:16,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:17,162 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 396 proven. 175 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-18 17:12:21,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:21,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2315 states and 2846 transitions. [2018-11-18 17:12:21,661 INFO L276 IsEmpty]: Start isEmpty. Operand 2315 states and 2846 transitions. [2018-11-18 17:12:21,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-18 17:12:21,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:21,840 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 396 proven. 175 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-18 17:12:22,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:22,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2333 states and 2861 transitions. [2018-11-18 17:12:22,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2333 states and 2861 transitions. [2018-11-18 17:12:22,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-18 17:12:22,423 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:22,659 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 439 proven. 120 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-11-18 17:12:25,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:25,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2888 states to 2353 states and 2888 transitions. [2018-11-18 17:12:25,157 INFO L276 IsEmpty]: Start isEmpty. Operand 2353 states and 2888 transitions. [2018-11-18 17:12:25,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-18 17:12:25,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:25,272 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 439 proven. 120 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-11-18 17:12:25,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:25,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 2359 states and 2893 transitions. [2018-11-18 17:12:25,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2359 states and 2893 transitions. [2018-11-18 17:12:25,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-18 17:12:25,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:25,909 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 439 proven. 120 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-11-18 17:12:26,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:26,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2367 states and 2900 transitions. [2018-11-18 17:12:26,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2900 transitions. [2018-11-18 17:12:26,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-11-18 17:12:26,684 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:26,761 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2018-11-18 17:12:27,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:27,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 2374 states and 2905 transitions. [2018-11-18 17:12:27,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 2905 transitions. [2018-11-18 17:12:27,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-11-18 17:12:27,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:27,534 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 489 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2018-11-18 17:12:29,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:29,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2399 states and 2937 transitions. [2018-11-18 17:12:29,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2399 states and 2937 transitions. [2018-11-18 17:12:29,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-11-18 17:12:29,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:29,506 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 489 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2018-11-18 17:12:30,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:30,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2957 states to 2410 states and 2957 transitions. [2018-11-18 17:12:30,789 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 2957 transitions. [2018-11-18 17:12:30,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-11-18 17:12:30,791 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:30,856 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 489 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2018-11-18 17:12:31,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:31,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2968 states to 2421 states and 2968 transitions. [2018-11-18 17:12:31,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2421 states and 2968 transitions. [2018-11-18 17:12:31,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-11-18 17:12:31,794 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:31,859 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 489 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2018-11-18 17:12:32,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:32,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2977 states to 2430 states and 2977 transitions. [2018-11-18 17:12:32,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2430 states and 2977 transitions. [2018-11-18 17:12:32,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-11-18 17:12:32,658 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:32,734 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 367 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-11-18 17:12:34,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:34,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3018 states to 2471 states and 3018 transitions. [2018-11-18 17:12:34,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2471 states and 3018 transitions. [2018-11-18 17:12:34,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-11-18 17:12:34,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:34,688 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 406 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2018-11-18 17:12:35,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:35,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 2489 states and 3036 transitions. [2018-11-18 17:12:35,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2489 states and 3036 transitions. [2018-11-18 17:12:35,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-11-18 17:12:35,999 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:36,069 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 406 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2018-11-18 17:12:36,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:36,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3040 states to 2494 states and 3040 transitions. [2018-11-18 17:12:36,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 3040 transitions. [2018-11-18 17:12:36,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-11-18 17:12:36,767 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:37,537 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 484 proven. 42 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-11-18 17:12:41,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:41,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3111 states to 2555 states and 3111 transitions. [2018-11-18 17:12:41,557 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3111 transitions. [2018-11-18 17:12:41,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-11-18 17:12:41,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:41,671 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 484 proven. 42 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-11-18 17:12:43,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:43,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 2570 states and 3125 transitions. [2018-11-18 17:12:43,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2570 states and 3125 transitions. [2018-11-18 17:12:43,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-11-18 17:12:43,135 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:43,406 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 481 proven. 134 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 17:12:44,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:44,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 2581 states and 3136 transitions. [2018-11-18 17:12:44,372 INFO L276 IsEmpty]: Start isEmpty. Operand 2581 states and 3136 transitions. [2018-11-18 17:12:44,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-11-18 17:12:44,374 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:44,487 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 481 proven. 134 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 17:12:45,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:45,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3146 states to 2592 states and 3146 transitions. [2018-11-18 17:12:45,479 INFO L276 IsEmpty]: Start isEmpty. Operand 2592 states and 3146 transitions. [2018-11-18 17:12:45,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-11-18 17:12:45,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:12:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:12:48,664 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 608 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-18 17:12:59,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:12:59,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3120 states to 2546 states and 3120 transitions. [2018-11-18 17:12:59,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2546 states and 3120 transitions. [2018-11-18 17:12:59,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:12:59,915 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 191 iterations. [2018-11-18 17:12:59,921 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 17:13:00,255 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 36 [2018-11-18 17:13:00,435 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 34 [2018-11-18 17:13:00,568 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 33 [2018-11-18 17:13:00,702 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 24 [2018-11-18 17:13:00,850 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 36 [2018-11-18 17:13:01,007 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 36 [2018-11-18 17:13:01,176 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 24 [2018-11-18 17:13:01,601 WARN L180 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 36 [2018-11-18 17:13:01,778 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 36 [2018-11-18 17:13:01,933 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 36 [2018-11-18 17:13:02,260 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 36 [2018-11-18 17:13:02,456 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 34 [2018-11-18 17:13:02,571 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 33 [2018-11-18 17:13:03,101 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 24 [2018-11-18 17:13:03,349 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 33 [2018-11-18 17:13:03,522 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 36 [2018-11-18 17:13:03,707 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 33 [2018-11-18 17:13:03,862 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 33 [2018-11-18 17:13:03,976 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 33 [2018-11-18 17:13:04,184 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 24 [2018-11-18 17:13:04,760 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 36 [2018-11-18 17:13:04,917 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 36 [2018-11-18 17:13:05,253 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-11-18 17:13:05,386 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 34 [2018-11-18 17:13:05,494 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 34 [2018-11-18 17:13:05,758 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 36 [2018-11-18 17:13:05,776 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:13:05,778 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-18 17:13:05,784 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-18 17:13:05,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:13:05 ImpRootNode [2018-11-18 17:13:05,784 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:13:05,785 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:13:05,785 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:13:05,785 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:13:05,785 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:10:08" (3/4) ... [2018-11-18 17:13:05,789 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:13:05,803 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-18 17:13:05,804 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 17:13:05,804 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 17:13:05,805 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 17:13:05,880 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c361f7a5-b79f-4661-856d-937259b53a6d/bin-2019/ukojak/witness.graphml [2018-11-18 17:13:05,880 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:13:05,881 INFO L168 Benchmark]: Toolchain (without parser) took 179593.57 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.7 GB). Free memory was 951.1 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-11-18 17:13:05,881 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:13:05,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.70 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 918.8 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:13:05,882 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 918.8 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:13:05,883 INFO L168 Benchmark]: Boogie Preprocessor took 42.91 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:13:05,883 INFO L168 Benchmark]: RCFGBuilder took 1355.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 872.4 MB in the end (delta: 233.9 MB). Peak memory consumption was 233.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:13:05,883 INFO L168 Benchmark]: CodeCheck took 177620.47 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 872.4 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. [2018-11-18 17:13:05,883 INFO L168 Benchmark]: Witness Printer took 95.18 ms. Allocated memory is still 4.8 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:13:05,885 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, 199 locations, 1 error locations. SAFE Result, 171.7s OverallTime, 191 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 807940560 SDtfs, 851809924 SDslu, -2126405892 SDs, 0 SdLazy, -1275866282 SolverSat, 2057704726 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 596.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 234737 GetRequests, 229923 SyntacticMatches, 2952 SemanticMatches, 1862 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2400189 ImplicationChecksByTransitivity, 151.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 17.6s InterpolantComputationTime, 34949 NumberOfCodeBlocks, 34949 NumberOfCodeBlocksAsserted, 190 NumberOfCheckSat, 34759 ConstructedInterpolants, 0 QuantifiedInterpolants, 23505603 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 190 InterpolantComputations, 146 PerfectInterpolantSequences, 40861/42675 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: 533]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (!(a7 == 1) || !(a16 == 6)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (!(a7 == 1) || !(a16 == 6)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 369.70 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 918.8 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 106.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 918.8 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.91 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1355.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 872.4 MB in the end (delta: 233.9 MB). Peak memory consumption was 233.9 MB. Max. memory is 11.5 GB. * CodeCheck took 177620.47 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 872.4 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.5 GB. Max. memory is 11.5 GB. * Witness Printer took 95.18 ms. Allocated memory is still 4.8 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...