./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label59_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bfe01a5b-6d03-4309-9bea-1cc5003bd9c0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bfe01a5b-6d03-4309-9bea-1cc5003bd9c0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bfe01a5b-6d03-4309-9bea-1cc5003bd9c0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bfe01a5b-6d03-4309-9bea-1cc5003bd9c0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label59_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bfe01a5b-6d03-4309-9bea-1cc5003bd9c0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bfe01a5b-6d03-4309-9bea-1cc5003bd9c0/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 c830b0c5c33990192c3ba87f57f72df9f3b5a041 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:16:22,699 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:16:22,700 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:16:22,708 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:16:22,708 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:16:22,708 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:16:22,709 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:16:22,710 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:16:22,710 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:16:22,711 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:16:22,712 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:16:22,712 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:16:22,712 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:16:22,713 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:16:22,714 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:16:22,714 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:16:22,715 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:16:22,716 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:16:22,717 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:16:22,718 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:16:22,719 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:16:22,719 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:16:22,720 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:16:22,720 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:16:22,721 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:16:22,721 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:16:22,722 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:16:22,722 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:16:22,723 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:16:22,723 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:16:22,723 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:16:22,724 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:16:22,724 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:16:22,724 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:16:22,725 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:16:22,725 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:16:22,725 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bfe01a5b-6d03-4309-9bea-1cc5003bd9c0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 05:16:22,733 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:16:22,733 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:16:22,733 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:16:22,734 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:16:22,734 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:16:22,734 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:16:22,734 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:16:22,734 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:16:22,734 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:16:22,735 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:16:22,735 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:16:22,735 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:16:22,735 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:16:22,735 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:16:22,735 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:16:22,735 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:16:22,735 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:16:22,736 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:16:22,736 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:16:22,736 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:16:22,736 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:16:22,736 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:16:22,736 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:16:22,736 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:16:22,736 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:16:22,736 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:16:22,737 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:16:22,737 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:16:22,737 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_bfe01a5b-6d03-4309-9bea-1cc5003bd9c0/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 -> c830b0c5c33990192c3ba87f57f72df9f3b5a041 [2018-11-10 05:16:22,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:16:22,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:16:22,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:16:22,774 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:16:22,775 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:16:22,775 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bfe01a5b-6d03-4309-9bea-1cc5003bd9c0/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label59_true-unreach-call_false-termination.c [2018-11-10 05:16:22,821 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bfe01a5b-6d03-4309-9bea-1cc5003bd9c0/bin-2019/ukojak/data/a47fd64af/f21d19d1a0914deb9323abbbf8ceaa42/FLAGab866f9ab [2018-11-10 05:16:23,201 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:16:23,201 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bfe01a5b-6d03-4309-9bea-1cc5003bd9c0/sv-benchmarks/c/eca-rers2012/Problem01_label59_true-unreach-call_false-termination.c [2018-11-10 05:16:23,210 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bfe01a5b-6d03-4309-9bea-1cc5003bd9c0/bin-2019/ukojak/data/a47fd64af/f21d19d1a0914deb9323abbbf8ceaa42/FLAGab866f9ab [2018-11-10 05:16:23,223 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bfe01a5b-6d03-4309-9bea-1cc5003bd9c0/bin-2019/ukojak/data/a47fd64af/f21d19d1a0914deb9323abbbf8ceaa42 [2018-11-10 05:16:23,225 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:16:23,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:16:23,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:16:23,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:16:23,230 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:16:23,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:16:23" (1/1) ... [2018-11-10 05:16:23,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:16:23, skipping insertion in model container [2018-11-10 05:16:23,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:16:23" (1/1) ... [2018-11-10 05:16:23,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:16:23,272 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:16:23,491 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:16:23,494 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:16:23,560 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:16:23,572 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:16:23,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:16:23 WrapperNode [2018-11-10 05:16:23,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:16:23,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:16:23,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:16:23,573 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:16:23,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:16:23" (1/1) ... [2018-11-10 05:16:23,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:16:23" (1/1) ... [2018-11-10 05:16:23,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:16:23,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:16:23,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:16:23,678 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:16:23,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:16:23" (1/1) ... [2018-11-10 05:16:23,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:16:23" (1/1) ... [2018-11-10 05:16:23,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:16:23" (1/1) ... [2018-11-10 05:16:23,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:16:23" (1/1) ... [2018-11-10 05:16:23,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:16:23" (1/1) ... [2018-11-10 05:16:23,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:16:23" (1/1) ... [2018-11-10 05:16:23,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:16:23" (1/1) ... [2018-11-10 05:16:23,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:16:23,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:16:23,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:16:23,718 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:16:23,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:16:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bfe01a5b-6d03-4309-9bea-1cc5003bd9c0/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 [2018-11-10 05:16:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 05:16:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:16:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:16:25,442 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:16:25,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:16:25 BoogieIcfgContainer [2018-11-10 05:16:25,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:16:25,445 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:16:25,446 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:16:25,455 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:16:25,456 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:16:25" (1/1) ... [2018-11-10 05:16:25,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:16:25,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:25,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-10 05:16:25,502 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-10 05:16:25,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 05:16:25,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:25,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:26,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:26,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 147 states and 234 transitions. [2018-11-10 05:16:26,224 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 234 transitions. [2018-11-10 05:16:26,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 05:16:26,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:26,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:26,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:26,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 218 states and 340 transitions. [2018-11-10 05:16:26,725 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 340 transitions. [2018-11-10 05:16:26,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-10 05:16:26,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:26,801 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:27,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:27,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 289 states and 416 transitions. [2018-11-10 05:16:27,301 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 416 transitions. [2018-11-10 05:16:27,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 05:16:27,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:27,364 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:27,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:27,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 302 states and 437 transitions. [2018-11-10 05:16:27,737 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 437 transitions. [2018-11-10 05:16:27,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 05:16:27,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:27,780 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:27,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:27,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 303 states and 438 transitions. [2018-11-10 05:16:27,825 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 438 transitions. [2018-11-10 05:16:27,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 05:16:27,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:27,882 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:16:28,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:28,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 308 states and 450 transitions. [2018-11-10 05:16:28,058 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 450 transitions. [2018-11-10 05:16:28,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-10 05:16:28,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:28,138 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:28,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:28,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 323 states and 469 transitions. [2018-11-10 05:16:28,483 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 469 transitions. [2018-11-10 05:16:28,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 05:16:28,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:28,559 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 05:16:28,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:28,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 332 states and 483 transitions. [2018-11-10 05:16:28,900 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 483 transitions. [2018-11-10 05:16:28,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 05:16:28,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:28,923 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 05:16:29,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:29,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 336 states and 488 transitions. [2018-11-10 05:16:29,070 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 488 transitions. [2018-11-10 05:16:29,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-10 05:16:29,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:29,089 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:29,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:29,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 337 states and 490 transitions. [2018-11-10 05:16:29,186 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 490 transitions. [2018-11-10 05:16:29,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-10 05:16:29,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:29,205 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 05:16:29,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:29,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 338 states and 491 transitions. [2018-11-10 05:16:29,328 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 491 transitions. [2018-11-10 05:16:29,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-10 05:16:29,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:29,395 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:29,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:29,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 349 states and 503 transitions. [2018-11-10 05:16:29,728 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 503 transitions. [2018-11-10 05:16:29,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-10 05:16:29,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:29,814 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:30,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:30,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 362 states and 524 transitions. [2018-11-10 05:16:30,492 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 524 transitions. [2018-11-10 05:16:30,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 05:16:30,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:30,519 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 05:16:30,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:30,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 367 states and 529 transitions. [2018-11-10 05:16:30,551 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 529 transitions. [2018-11-10 05:16:30,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 05:16:30,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:30,575 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 05:16:30,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:30,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 372 states and 536 transitions. [2018-11-10 05:16:30,903 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 536 transitions. [2018-11-10 05:16:30,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-10 05:16:30,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:30,951 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 05:16:31,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:31,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 377 states and 548 transitions. [2018-11-10 05:16:31,199 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 548 transitions. [2018-11-10 05:16:31,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-10 05:16:31,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:31,213 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:31,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:31,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 395 states and 568 transitions. [2018-11-10 05:16:31,506 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 568 transitions. [2018-11-10 05:16:31,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-10 05:16:31,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:31,529 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:31,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:31,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 401 states and 576 transitions. [2018-11-10 05:16:31,663 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 576 transitions. [2018-11-10 05:16:31,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-10 05:16:31,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:31,680 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:32,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:32,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 416 states and 598 transitions. [2018-11-10 05:16:32,009 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 598 transitions. [2018-11-10 05:16:32,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-10 05:16:32,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:32,028 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:16:32,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:32,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 417 states and 602 transitions. [2018-11-10 05:16:32,167 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 602 transitions. [2018-11-10 05:16:32,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 05:16:32,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:32,185 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:16:32,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:32,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 424 states and 609 transitions. [2018-11-10 05:16:32,357 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 609 transitions. [2018-11-10 05:16:32,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-10 05:16:32,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:32,378 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 05:16:33,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:33,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 440 states and 629 transitions. [2018-11-10 05:16:33,024 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 629 transitions. [2018-11-10 05:16:33,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-10 05:16:33,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:33,095 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:33,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:33,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 461 states and 656 transitions. [2018-11-10 05:16:33,520 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 656 transitions. [2018-11-10 05:16:33,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-10 05:16:33,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:33,595 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:16:33,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:33,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 467 states and 666 transitions. [2018-11-10 05:16:33,987 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 666 transitions. [2018-11-10 05:16:33,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-10 05:16:33,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:34,002 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:16:34,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:34,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 468 states and 668 transitions. [2018-11-10 05:16:34,140 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 668 transitions. [2018-11-10 05:16:34,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-10 05:16:34,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:34,157 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:16:34,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:34,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 469 states and 670 transitions. [2018-11-10 05:16:34,288 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 670 transitions. [2018-11-10 05:16:34,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-10 05:16:34,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:34,338 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:34,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:34,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 480 states and 684 transitions. [2018-11-10 05:16:34,513 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 684 transitions. [2018-11-10 05:16:34,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-10 05:16:34,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:34,529 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:34,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:34,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 489 states and 693 transitions. [2018-11-10 05:16:34,561 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 693 transitions. [2018-11-10 05:16:34,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 05:16:34,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:34,579 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 05:16:35,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:35,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 500 states and 707 transitions. [2018-11-10 05:16:35,130 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 707 transitions. [2018-11-10 05:16:35,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 05:16:35,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:35,208 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:36,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:36,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 517 states and 727 transitions. [2018-11-10 05:16:36,136 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 727 transitions. [2018-11-10 05:16:36,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 05:16:36,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:36,155 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:16:36,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:36,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 527 states and 738 transitions. [2018-11-10 05:16:36,406 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 738 transitions. [2018-11-10 05:16:36,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 05:16:36,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:36,425 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:36,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:36,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 528 states and 740 transitions. [2018-11-10 05:16:36,437 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 740 transitions. [2018-11-10 05:16:36,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-10 05:16:36,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:36,516 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:16:37,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:37,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 553 states and 773 transitions. [2018-11-10 05:16:37,378 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 773 transitions. [2018-11-10 05:16:37,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-10 05:16:37,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:37,442 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 05:16:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:37,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 564 states and 784 transitions. [2018-11-10 05:16:37,876 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 784 transitions. [2018-11-10 05:16:37,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 05:16:37,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:37,901 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:16:37,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:37,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 573 states and 793 transitions. [2018-11-10 05:16:37,958 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 793 transitions. [2018-11-10 05:16:37,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 05:16:37,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:37,976 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:16:38,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:38,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 578 states and 798 transitions. [2018-11-10 05:16:38,006 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 798 transitions. [2018-11-10 05:16:38,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 05:16:38,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:38,024 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:16:38,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:38,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 583 states and 804 transitions. [2018-11-10 05:16:38,204 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 804 transitions. [2018-11-10 05:16:38,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 05:16:38,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:38,230 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:38,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:38,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 584 states and 804 transitions. [2018-11-10 05:16:38,289 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 804 transitions. [2018-11-10 05:16:38,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 05:16:38,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:38,416 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:39,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:39,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 655 states and 885 transitions. [2018-11-10 05:16:39,171 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 885 transitions. [2018-11-10 05:16:39,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 05:16:39,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:39,197 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:16:39,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:39,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 660 states and 895 transitions. [2018-11-10 05:16:39,442 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 895 transitions. [2018-11-10 05:16:39,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 05:16:39,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:39,455 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:16:39,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:39,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 662 states and 897 transitions. [2018-11-10 05:16:39,468 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 897 transitions. [2018-11-10 05:16:39,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-10 05:16:39,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:39,484 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:16:39,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:39,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 677 states and 913 transitions. [2018-11-10 05:16:39,881 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 913 transitions. [2018-11-10 05:16:39,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-10 05:16:39,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:39,899 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 05:16:40,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:40,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 693 states and 935 transitions. [2018-11-10 05:16:40,514 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 935 transitions. [2018-11-10 05:16:40,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-10 05:16:40,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:40,591 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:41,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:41,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 713 states and 959 transitions. [2018-11-10 05:16:41,201 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 959 transitions. [2018-11-10 05:16:41,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-10 05:16:41,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:41,217 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 05:16:41,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:41,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 720 states and 964 transitions. [2018-11-10 05:16:41,712 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 964 transitions. [2018-11-10 05:16:41,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-10 05:16:41,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:42,033 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:16:43,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:43,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 744 states and 1002 transitions. [2018-11-10 05:16:43,852 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1002 transitions. [2018-11-10 05:16:43,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 05:16:43,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:43,879 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:16:44,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:44,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 752 states and 1012 transitions. [2018-11-10 05:16:44,145 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1012 transitions. [2018-11-10 05:16:44,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 05:16:44,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:44,166 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:16:44,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:44,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 758 states and 1018 transitions. [2018-11-10 05:16:44,191 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1018 transitions. [2018-11-10 05:16:44,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-10 05:16:44,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:44,212 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:44,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:44,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 781 states and 1044 transitions. [2018-11-10 05:16:44,813 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1044 transitions. [2018-11-10 05:16:44,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-10 05:16:44,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:44,865 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:16:44,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:44,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 782 states and 1045 transitions. [2018-11-10 05:16:44,893 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1045 transitions. [2018-11-10 05:16:44,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-10 05:16:44,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:44,921 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:16:44,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:44,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 783 states and 1046 transitions. [2018-11-10 05:16:44,950 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1046 transitions. [2018-11-10 05:16:44,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-10 05:16:44,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:45,023 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:16:45,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:45,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 789 states and 1054 transitions. [2018-11-10 05:16:45,295 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1054 transitions. [2018-11-10 05:16:45,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-10 05:16:45,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:45,408 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:46,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:46,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 799 states and 1067 transitions. [2018-11-10 05:16:46,027 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1067 transitions. [2018-11-10 05:16:46,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 05:16:46,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:46,244 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:16:46,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:46,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 825 states and 1095 transitions. [2018-11-10 05:16:46,832 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1095 transitions. [2018-11-10 05:16:46,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 05:16:46,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:46,863 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:16:47,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:47,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 827 states and 1097 transitions. [2018-11-10 05:16:47,202 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1097 transitions. [2018-11-10 05:16:47,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-10 05:16:47,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:47,220 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 05:16:47,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:47,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 837 states and 1108 transitions. [2018-11-10 05:16:47,252 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1108 transitions. [2018-11-10 05:16:47,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-10 05:16:47,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:47,278 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:47,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:47,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 841 states and 1114 transitions. [2018-11-10 05:16:47,570 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1114 transitions. [2018-11-10 05:16:47,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-10 05:16:47,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:47,618 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 05:16:48,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:48,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 847 states and 1131 transitions. [2018-11-10 05:16:48,139 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1131 transitions. [2018-11-10 05:16:48,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 05:16:48,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:48,160 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:16:48,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:48,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 854 states and 1138 transitions. [2018-11-10 05:16:48,316 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1138 transitions. [2018-11-10 05:16:48,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 05:16:48,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:48,335 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:48,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:48,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 875 states and 1161 transitions. [2018-11-10 05:16:48,417 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1161 transitions. [2018-11-10 05:16:48,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-10 05:16:48,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:48,442 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:16:48,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:48,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 884 states and 1171 transitions. [2018-11-10 05:16:48,477 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1171 transitions. [2018-11-10 05:16:48,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-10 05:16:48,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:48,498 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:48,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:48,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 893 states and 1181 transitions. [2018-11-10 05:16:48,530 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1181 transitions. [2018-11-10 05:16:48,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 05:16:48,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:48,553 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:16:48,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:48,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 904 states and 1193 transitions. [2018-11-10 05:16:48,593 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1193 transitions. [2018-11-10 05:16:48,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 05:16:48,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:48,612 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:16:48,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:48,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 905 states and 1194 transitions. [2018-11-10 05:16:48,628 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1194 transitions. [2018-11-10 05:16:48,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 05:16:48,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:48,652 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:16:48,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:48,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 910 states and 1200 transitions. [2018-11-10 05:16:48,678 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1200 transitions. [2018-11-10 05:16:48,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 05:16:48,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:48,697 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:16:48,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 914 states and 1203 transitions. [2018-11-10 05:16:48,715 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1203 transitions. [2018-11-10 05:16:48,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 05:16:48,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:48,755 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:16:49,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:49,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 926 states and 1218 transitions. [2018-11-10 05:16:49,011 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1218 transitions. [2018-11-10 05:16:49,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 05:16:49,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:49,030 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:16:49,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:49,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 928 states and 1219 transitions. [2018-11-10 05:16:49,203 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1219 transitions. [2018-11-10 05:16:49,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-10 05:16:49,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:16:49,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:49,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 930 states and 1220 transitions. [2018-11-10 05:16:49,431 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1220 transitions. [2018-11-10 05:16:49,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 05:16:49,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:49,696 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 05:16:50,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:50,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 965 states and 1261 transitions. [2018-11-10 05:16:50,577 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1261 transitions. [2018-11-10 05:16:50,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 05:16:50,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 05:16:51,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:51,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 979 states and 1278 transitions. [2018-11-10 05:16:51,340 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1278 transitions. [2018-11-10 05:16:51,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 05:16:51,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:51,370 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:16:51,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:51,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 984 states and 1290 transitions. [2018-11-10 05:16:51,834 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1290 transitions. [2018-11-10 05:16:51,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 05:16:51,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:51,873 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 05:16:51,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:51,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 989 states and 1295 transitions. [2018-11-10 05:16:51,897 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1295 transitions. [2018-11-10 05:16:51,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 05:16:51,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:51,916 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 05:16:52,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:52,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1026 states and 1346 transitions. [2018-11-10 05:16:52,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1346 transitions. [2018-11-10 05:16:52,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 05:16:52,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:52,938 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 05:16:53,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:53,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1036 states and 1356 transitions. [2018-11-10 05:16:53,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1356 transitions. [2018-11-10 05:16:53,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 05:16:53,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:53,175 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:16:53,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:53,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1043 states and 1363 transitions. [2018-11-10 05:16:53,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1363 transitions. [2018-11-10 05:16:53,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 05:16:53,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:53,325 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:16:53,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:53,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1050 states and 1370 transitions. [2018-11-10 05:16:53,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1370 transitions. [2018-11-10 05:16:53,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 05:16:53,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:53,477 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 76 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-10 05:16:53,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:53,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1069 states and 1389 transitions. [2018-11-10 05:16:53,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1389 transitions. [2018-11-10 05:16:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 05:16:53,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:53,826 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 76 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-10 05:16:54,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:54,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1070 states and 1390 transitions. [2018-11-10 05:16:54,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1390 transitions. [2018-11-10 05:16:54,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 05:16:54,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:54,049 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 05:16:54,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:54,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1074 states and 1394 transitions. [2018-11-10 05:16:54,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1394 transitions. [2018-11-10 05:16:54,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 05:16:54,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:54,263 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:54,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:54,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1097 states and 1419 transitions. [2018-11-10 05:16:54,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1419 transitions. [2018-11-10 05:16:54,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-10 05:16:54,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:54,358 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:16:55,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:55,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1111 states and 1435 transitions. [2018-11-10 05:16:55,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1435 transitions. [2018-11-10 05:16:55,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-10 05:16:55,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:55,138 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-10 05:16:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:55,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1115 states and 1448 transitions. [2018-11-10 05:16:55,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1448 transitions. [2018-11-10 05:16:55,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-10 05:16:55,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:55,640 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 05:16:55,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:55,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1116 states and 1449 transitions. [2018-11-10 05:16:55,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1449 transitions. [2018-11-10 05:16:55,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-10 05:16:55,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:55,815 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:16:55,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:55,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1125 states and 1457 transitions. [2018-11-10 05:16:55,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1457 transitions. [2018-11-10 05:16:55,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-10 05:16:55,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:55,885 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:16:55,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:55,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1135 states and 1468 transitions. [2018-11-10 05:16:55,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1468 transitions. [2018-11-10 05:16:55,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-10 05:16:55,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:55,984 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-10 05:16:56,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:56,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1136 states and 1471 transitions. [2018-11-10 05:16:56,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1471 transitions. [2018-11-10 05:16:56,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 05:16:56,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:56,607 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:16:57,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:57,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1142 states and 1481 transitions. [2018-11-10 05:16:57,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1481 transitions. [2018-11-10 05:16:57,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 05:16:57,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:57,337 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-10 05:16:57,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:57,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1174 states and 1513 transitions. [2018-11-10 05:16:57,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1513 transitions. [2018-11-10 05:16:57,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 05:16:57,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:57,733 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-10 05:16:57,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:57,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1175 states and 1514 transitions. [2018-11-10 05:16:57,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1514 transitions. [2018-11-10 05:16:57,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-10 05:16:57,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:58,009 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 05:16:58,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:58,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1187 states and 1526 transitions. [2018-11-10 05:16:58,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1526 transitions. [2018-11-10 05:16:58,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-10 05:16:58,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:58,125 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 05:16:58,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:58,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1199 states and 1538 transitions. [2018-11-10 05:16:58,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1538 transitions. [2018-11-10 05:16:58,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-10 05:16:58,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:58,355 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 05:16:58,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:58,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1220 states and 1557 transitions. [2018-11-10 05:16:58,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1557 transitions. [2018-11-10 05:16:58,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-10 05:16:58,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 96 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 05:16:59,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1226 states and 1564 transitions. [2018-11-10 05:16:59,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1564 transitions. [2018-11-10 05:16:59,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-10 05:16:59,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:59,694 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 05:16:59,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:16:59,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1227 states and 1567 transitions. [2018-11-10 05:16:59,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1567 transitions. [2018-11-10 05:16:59,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-10 05:16:59,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:16:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:16:59,961 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 05:17:00,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:00,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1228 states and 1568 transitions. [2018-11-10 05:17:00,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1568 transitions. [2018-11-10 05:17:00,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-10 05:17:00,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:00,224 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-10 05:17:00,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:00,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1243 states and 1585 transitions. [2018-11-10 05:17:00,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1585 transitions. [2018-11-10 05:17:00,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-10 05:17:00,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:00,607 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-10 05:17:00,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:00,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1253 states and 1594 transitions. [2018-11-10 05:17:00,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1594 transitions. [2018-11-10 05:17:00,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-10 05:17:00,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:00,886 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 05:17:01,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:01,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1287 states and 1635 transitions. [2018-11-10 05:17:01,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1635 transitions. [2018-11-10 05:17:01,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-10 05:17:01,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:01,840 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 05:17:02,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:02,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1292 states and 1641 transitions. [2018-11-10 05:17:02,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1641 transitions. [2018-11-10 05:17:02,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-10 05:17:02,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:02,432 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:17:03,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:03,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1308 states and 1659 transitions. [2018-11-10 05:17:03,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1659 transitions. [2018-11-10 05:17:03,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 05:17:03,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:03,255 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-10 05:17:03,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:03,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1318 states and 1667 transitions. [2018-11-10 05:17:03,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1667 transitions. [2018-11-10 05:17:03,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 05:17:03,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:03,577 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:17:03,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:03,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1357 states and 1707 transitions. [2018-11-10 05:17:03,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1707 transitions. [2018-11-10 05:17:03,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 05:17:03,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:03,778 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 90 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 05:17:03,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:03,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1360 states and 1712 transitions. [2018-11-10 05:17:03,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1712 transitions. [2018-11-10 05:17:03,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 05:17:03,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:03,869 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 90 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 05:17:04,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:04,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1361 states and 1714 transitions. [2018-11-10 05:17:04,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1714 transitions. [2018-11-10 05:17:04,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 05:17:04,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:04,163 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 05:17:04,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:04,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1419 states and 1775 transitions. [2018-11-10 05:17:04,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1775 transitions. [2018-11-10 05:17:04,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 05:17:04,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:04,868 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 05:17:05,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:05,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1420 states and 1777 transitions. [2018-11-10 05:17:05,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1777 transitions. [2018-11-10 05:17:05,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 05:17:05,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-10 05:17:06,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:06,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1428 states and 1790 transitions. [2018-11-10 05:17:06,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1790 transitions. [2018-11-10 05:17:06,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-10 05:17:06,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:06,207 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-10 05:17:07,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:07,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1455 states and 1827 transitions. [2018-11-10 05:17:07,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 1827 transitions. [2018-11-10 05:17:07,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-10 05:17:07,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:07,191 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-10 05:17:08,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:08,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1487 states and 1863 transitions. [2018-11-10 05:17:08,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1863 transitions. [2018-11-10 05:17:08,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-10 05:17:08,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:08,252 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 116 proven. 5 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-10 05:17:08,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:08,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1502 states and 1880 transitions. [2018-11-10 05:17:08,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1880 transitions. [2018-11-10 05:17:08,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-10 05:17:08,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:09,145 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-10 05:17:10,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:10,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1512 states and 1895 transitions. [2018-11-10 05:17:10,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 1895 transitions. [2018-11-10 05:17:10,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-10 05:17:10,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:10,416 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 99 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:17:12,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:12,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1570 states and 1956 transitions. [2018-11-10 05:17:12,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 1956 transitions. [2018-11-10 05:17:12,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-10 05:17:12,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:12,368 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-10 05:17:13,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:13,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1575 states and 1963 transitions. [2018-11-10 05:17:13,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 1963 transitions. [2018-11-10 05:17:13,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-10 05:17:13,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:13,659 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-10 05:17:14,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:14,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1982 states to 1580 states and 1982 transitions. [2018-11-10 05:17:14,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 1982 transitions. [2018-11-10 05:17:14,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-10 05:17:14,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:14,369 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-10 05:17:14,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:14,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1582 states and 1986 transitions. [2018-11-10 05:17:14,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 1986 transitions. [2018-11-10 05:17:14,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-10 05:17:14,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:14,736 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 05:17:15,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:15,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 1598 states and 2002 transitions. [2018-11-10 05:17:15,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 2002 transitions. [2018-11-10 05:17:15,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-10 05:17:15,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:15,190 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-10 05:17:16,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:16,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 1617 states and 2028 transitions. [2018-11-10 05:17:16,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 2028 transitions. [2018-11-10 05:17:16,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-10 05:17:16,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:16,449 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 05:17:16,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:16,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2029 states to 1618 states and 2029 transitions. [2018-11-10 05:17:16,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 2029 transitions. [2018-11-10 05:17:16,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 05:17:16,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:16,740 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-10 05:17:17,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:17,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 1630 states and 2044 transitions. [2018-11-10 05:17:17,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 2044 transitions. [2018-11-10 05:17:17,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-10 05:17:17,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:18,014 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-10 05:17:18,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:18,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 1631 states and 2046 transitions. [2018-11-10 05:17:18,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 2046 transitions. [2018-11-10 05:17:18,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-10 05:17:18,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:18,132 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-10 05:17:18,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:18,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 1637 states and 2055 transitions. [2018-11-10 05:17:18,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2055 transitions. [2018-11-10 05:17:18,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-10 05:17:18,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:19,027 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-10 05:17:19,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:19,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 1656 states and 2072 transitions. [2018-11-10 05:17:19,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2072 transitions. [2018-11-10 05:17:19,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 05:17:19,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:19,144 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 05:17:20,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:20,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 1672 states and 2093 transitions. [2018-11-10 05:17:20,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2093 transitions. [2018-11-10 05:17:20,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 05:17:20,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:20,209 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 05:17:20,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:20,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 1702 states and 2121 transitions. [2018-11-10 05:17:20,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 2121 transitions. [2018-11-10 05:17:20,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 05:17:20,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:20,584 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 05:17:20,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:20,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 1711 states and 2131 transitions. [2018-11-10 05:17:20,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 2131 transitions. [2018-11-10 05:17:20,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 05:17:20,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:21,972 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 05:17:24,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:24,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 1759 states and 2186 transitions. [2018-11-10 05:17:24,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2186 transitions. [2018-11-10 05:17:24,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 05:17:24,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:24,667 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-10 05:17:24,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:24,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 1760 states and 2188 transitions. [2018-11-10 05:17:24,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2188 transitions. [2018-11-10 05:17:24,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-10 05:17:24,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:24,800 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 113 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 05:17:25,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:25,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 1764 states and 2192 transitions. [2018-11-10 05:17:25,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2192 transitions. [2018-11-10 05:17:25,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 05:17:25,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:25,051 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-10 05:17:25,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:25,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 1769 states and 2205 transitions. [2018-11-10 05:17:25,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2205 transitions. [2018-11-10 05:17:25,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 05:17:25,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:26,631 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 193 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:17:30,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:30,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 1818 states and 2266 transitions. [2018-11-10 05:17:30,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2266 transitions. [2018-11-10 05:17:30,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 05:17:30,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:30,724 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 193 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:17:31,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:31,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2278 states to 1830 states and 2278 transitions. [2018-11-10 05:17:31,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2278 transitions. [2018-11-10 05:17:31,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-10 05:17:31,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:33,262 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 05:17:36,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:36,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2329 states to 1880 states and 2329 transitions. [2018-11-10 05:17:36,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 2329 transitions. [2018-11-10 05:17:36,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-10 05:17:36,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:36,695 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 05:17:36,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:36,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 1883 states and 2331 transitions. [2018-11-10 05:17:36,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2331 transitions. [2018-11-10 05:17:36,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-10 05:17:36,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:37,587 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 205 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:17:40,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:40,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 1902 states and 2355 transitions. [2018-11-10 05:17:40,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 2355 transitions. [2018-11-10 05:17:40,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-10 05:17:40,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:40,746 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 205 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:17:41,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:41,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 1913 states and 2366 transitions. [2018-11-10 05:17:41,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2366 transitions. [2018-11-10 05:17:41,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-10 05:17:41,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:41,361 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 205 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:17:41,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:41,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 1914 states and 2367 transitions. [2018-11-10 05:17:41,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2367 transitions. [2018-11-10 05:17:41,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 05:17:41,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:41,964 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 191 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:17:44,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:44,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 1974 states and 2434 transitions. [2018-11-10 05:17:44,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2434 transitions. [2018-11-10 05:17:44,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 05:17:44,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:44,412 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:17:45,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:45,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 1980 states and 2440 transitions. [2018-11-10 05:17:45,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1980 states and 2440 transitions. [2018-11-10 05:17:45,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 05:17:45,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:17:46,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:46,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 1999 states and 2460 transitions. [2018-11-10 05:17:46,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 2460 transitions. [2018-11-10 05:17:46,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-10 05:17:46,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:47,003 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 05:17:48,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:48,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2040 states and 2513 transitions. [2018-11-10 05:17:48,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 2513 transitions. [2018-11-10 05:17:48,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-10 05:17:48,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:48,726 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 05:17:49,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:49,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 2052 states and 2530 transitions. [2018-11-10 05:17:49,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 2530 transitions. [2018-11-10 05:17:49,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-10 05:17:49,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:49,782 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-10 05:17:50,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:50,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2541 states to 2057 states and 2541 transitions. [2018-11-10 05:17:50,450 INFO L276 IsEmpty]: Start isEmpty. Operand 2057 states and 2541 transitions. [2018-11-10 05:17:50,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-10 05:17:50,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:50,495 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-10 05:17:50,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:50,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2541 states to 2058 states and 2541 transitions. [2018-11-10 05:17:50,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2541 transitions. [2018-11-10 05:17:50,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-10 05:17:50,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:50,944 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 148 proven. 5 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-10 05:17:51,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:51,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 2065 states and 2549 transitions. [2018-11-10 05:17:51,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2065 states and 2549 transitions. [2018-11-10 05:17:51,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-10 05:17:51,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:51,565 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 148 proven. 5 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-10 05:17:51,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:51,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 2066 states and 2549 transitions. [2018-11-10 05:17:51,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2549 transitions. [2018-11-10 05:17:51,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-10 05:17:51,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:51,959 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-10 05:17:52,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:52,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 2075 states and 2557 transitions. [2018-11-10 05:17:52,013 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2557 transitions. [2018-11-10 05:17:52,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-10 05:17:52,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:52,059 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-10 05:17:52,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:52,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2568 states to 2085 states and 2568 transitions. [2018-11-10 05:17:52,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2568 transitions. [2018-11-10 05:17:52,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-10 05:17:52,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:52,743 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-10 05:17:52,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:52,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2576 states to 2094 states and 2576 transitions. [2018-11-10 05:17:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2094 states and 2576 transitions. [2018-11-10 05:17:52,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 05:17:52,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:52,972 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 05:17:53,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:53,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 2099 states and 2588 transitions. [2018-11-10 05:17:53,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2588 transitions. [2018-11-10 05:17:53,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-10 05:17:53,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:53,532 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 05:17:55,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:55,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2133 states and 2629 transitions. [2018-11-10 05:17:55,149 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2629 transitions. [2018-11-10 05:17:55,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-10 05:17:55,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:55,316 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 05:17:56,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:56,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2159 states and 2654 transitions. [2018-11-10 05:17:56,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 2654 transitions. [2018-11-10 05:17:56,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-10 05:17:56,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:56,480 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 05:17:57,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:17:57,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 2170 states and 2665 transitions. [2018-11-10 05:17:57,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2170 states and 2665 transitions. [2018-11-10 05:17:57,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-10 05:17:57,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:17:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:17:58,157 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 184 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:18:01,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:01,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2213 states and 2712 transitions. [2018-11-10 05:18:01,300 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2712 transitions. [2018-11-10 05:18:01,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-10 05:18:01,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:01,391 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 05:18:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:02,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2284 states and 2787 transitions. [2018-11-10 05:18:02,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 2787 transitions. [2018-11-10 05:18:02,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-10 05:18:02,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:02,538 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 118 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-10 05:18:03,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:03,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2286 states and 2790 transitions. [2018-11-10 05:18:03,316 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 2790 transitions. [2018-11-10 05:18:03,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-10 05:18:03,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:03,374 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 134 proven. 5 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-10 05:18:03,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:03,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2287 states and 2791 transitions. [2018-11-10 05:18:03,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2287 states and 2791 transitions. [2018-11-10 05:18:03,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-10 05:18:03,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:03,482 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 134 proven. 5 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-10 05:18:03,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:03,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2288 states and 2791 transitions. [2018-11-10 05:18:03,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2288 states and 2791 transitions. [2018-11-10 05:18:03,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-10 05:18:03,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:03,763 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-10 05:18:04,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:04,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2300 states and 2803 transitions. [2018-11-10 05:18:04,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 2803 transitions. [2018-11-10 05:18:04,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-10 05:18:04,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:04,375 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-10 05:18:04,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:04,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2302 states and 2804 transitions. [2018-11-10 05:18:04,404 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 2804 transitions. [2018-11-10 05:18:04,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-10 05:18:04,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:04,452 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-10 05:18:05,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:05,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2313 states and 2815 transitions. [2018-11-10 05:18:05,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2313 states and 2815 transitions. [2018-11-10 05:18:05,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-10 05:18:05,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:05,328 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-10 05:18:05,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:05,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2323 states and 2826 transitions. [2018-11-10 05:18:05,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2323 states and 2826 transitions. [2018-11-10 05:18:05,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-10 05:18:05,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:05,735 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-10 05:18:06,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:06,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2837 states to 2333 states and 2837 transitions. [2018-11-10 05:18:06,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2333 states and 2837 transitions. [2018-11-10 05:18:06,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-10 05:18:06,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:06,157 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-10 05:18:06,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:06,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2334 states and 2839 transitions. [2018-11-10 05:18:06,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 2839 transitions. [2018-11-10 05:18:06,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-10 05:18:06,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:06,599 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-10 05:18:06,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:06,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 2348 states and 2856 transitions. [2018-11-10 05:18:06,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 2856 transitions. [2018-11-10 05:18:06,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-10 05:18:06,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:07,047 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 253 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-10 05:18:07,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:07,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2362 states and 2870 transitions. [2018-11-10 05:18:07,607 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2870 transitions. [2018-11-10 05:18:07,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-10 05:18:07,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:08,100 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 299 proven. 22 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-10 05:18:11,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:11,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2402 states and 2914 transitions. [2018-11-10 05:18:11,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2402 states and 2914 transitions. [2018-11-10 05:18:11,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-10 05:18:11,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:11,670 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 258 proven. 5 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-10 05:18:12,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:12,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2407 states and 2921 transitions. [2018-11-10 05:18:12,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2407 states and 2921 transitions. [2018-11-10 05:18:12,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-10 05:18:12,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:12,239 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 258 proven. 5 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-10 05:18:12,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:12,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2411 states and 2926 transitions. [2018-11-10 05:18:12,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 2926 transitions. [2018-11-10 05:18:12,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-10 05:18:12,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:13,013 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 290 proven. 5 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-10 05:18:13,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:13,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2416 states and 2932 transitions. [2018-11-10 05:18:13,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2416 states and 2932 transitions. [2018-11-10 05:18:13,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-11-10 05:18:13,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:13,955 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-10 05:18:14,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:14,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2451 states and 2970 transitions. [2018-11-10 05:18:14,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2451 states and 2970 transitions. [2018-11-10 05:18:14,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-11-10 05:18:14,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:14,883 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-10 05:18:15,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:15,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2461 states and 2984 transitions. [2018-11-10 05:18:15,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 2984 transitions. [2018-11-10 05:18:15,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-11-10 05:18:15,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:15,847 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-10 05:18:16,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:16,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 2466 states and 2990 transitions. [2018-11-10 05:18:16,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2466 states and 2990 transitions. [2018-11-10 05:18:16,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-10 05:18:16,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:16,284 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 218 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-10 05:18:17,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:17,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 2487 states and 3013 transitions. [2018-11-10 05:18:17,278 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 3013 transitions. [2018-11-10 05:18:17,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-10 05:18:17,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:17,320 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 218 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-10 05:18:18,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:18,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 2494 states and 3020 transitions. [2018-11-10 05:18:18,500 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 3020 transitions. [2018-11-10 05:18:18,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-10 05:18:18,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:20,293 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 05:18:24,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:24,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3080 states to 2554 states and 3080 transitions. [2018-11-10 05:18:24,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2554 states and 3080 transitions. [2018-11-10 05:18:24,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-10 05:18:24,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 05:18:25,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:25,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3082 states to 2555 states and 3082 transitions. [2018-11-10 05:18:25,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3082 transitions. [2018-11-10 05:18:25,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-10 05:18:25,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:26,164 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 317 proven. 28 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-10 05:18:29,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:29,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3126 states to 2595 states and 3126 transitions. [2018-11-10 05:18:29,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2595 states and 3126 transitions. [2018-11-10 05:18:29,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-10 05:18:29,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:30,183 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-11-10 05:18:30,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:30,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 2600 states and 3133 transitions. [2018-11-10 05:18:30,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 3133 transitions. [2018-11-10 05:18:30,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-10 05:18:30,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:18:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:18:30,901 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 252 proven. 5 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-11-10 05:18:31,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:18:31,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 2532 states and 3057 transitions. [2018-11-10 05:18:31,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2532 states and 3057 transitions. [2018-11-10 05:18:31,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:18:31,572 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 181 iterations. [2018-11-10 05:18:31,580 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 05:18:31,864 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 17 [2018-11-10 05:18:32,299 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2018-11-10 05:18:32,411 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 17 [2018-11-10 05:18:32,517 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 17 [2018-11-10 05:18:32,710 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 17 [2018-11-10 05:18:32,905 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2018-11-10 05:18:33,061 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2018-11-10 05:18:33,185 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 17 [2018-11-10 05:18:33,608 WARN L179 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 17 [2018-11-10 05:18:34,465 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 17 [2018-11-10 05:18:34,854 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 17 [2018-11-10 05:18:35,488 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 17 [2018-11-10 05:18:36,024 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 17 [2018-11-10 05:18:36,259 WARN L179 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 46 [2018-11-10 05:18:36,540 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 17 [2018-11-10 05:18:36,968 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 17 [2018-11-10 05:18:36,969 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:18:36,971 INFO L582 CodeCheckObserver]: Invariant with dag size 17 [2018-11-10 05:18:36,976 INFO L582 CodeCheckObserver]: Invariant with dag size 17 [2018-11-10 05:18:36,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:18:36 ImpRootNode [2018-11-10 05:18:36,977 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:18:36,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:18:36,978 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:18:36,978 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:18:36,978 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:16:25" (3/4) ... [2018-11-10 05:18:36,982 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:18:36,997 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-10 05:18:36,997 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 05:18:36,999 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-10 05:18:36,999 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 05:18:37,087 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bfe01a5b-6d03-4309-9bea-1cc5003bd9c0/bin-2019/ukojak/witness.graphml [2018-11-10 05:18:37,087 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:18:37,088 INFO L168 Benchmark]: Toolchain (without parser) took 133862.03 ms. Allocated memory was 1.0 GB in the beginning and 3.8 GB in the end (delta: 2.7 GB). Free memory was 951.2 MB in the beginning and 1.7 GB in the end (delta: -710.0 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-11-10 05:18:37,088 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:18:37,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.49 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 921.7 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:18:37,089 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -207.3 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:18:37,089 INFO L168 Benchmark]: Boogie Preprocessor took 40.25 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:18:37,089 INFO L168 Benchmark]: RCFGBuilder took 1726.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 889.7 MB in the end (delta: 233.9 MB). Peak memory consumption was 233.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:18:37,090 INFO L168 Benchmark]: CodeCheck took 131531.82 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.6 GB). Free memory was 889.7 MB in the beginning and 1.7 GB in the end (delta: -771.5 MB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2018-11-10 05:18:37,090 INFO L168 Benchmark]: Witness Printer took 109.66 ms. Allocated memory is still 3.8 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 4.9 kB). Peak memory consumption was 4.9 kB. Max. memory is 11.5 GB. [2018-11-10 05:18:37,091 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, 126.0s OverallTime, 181 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 671317516 SDtfs, -1220609280 SDslu, -131965808 SDs, 0 SdLazy, -166254854 SolverSat, -536631938 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 585.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 189279 GetRequests, 185464 SyntacticMatches, 2315 SemanticMatches, 1500 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1458990 ImplicationChecksByTransitivity, 108.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 15.9s InterpolantComputationTime, 27454 NumberOfCodeBlocks, 27454 NumberOfCodeBlocksAsserted, 180 NumberOfCheckSat, 27274 ConstructedInterpolants, 0 QuantifiedInterpolants, 15094479 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 180 InterpolantComputations, 147 PerfectInterpolantSequences, 23862/24207 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: 443]: 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: (((a16 == 5 || !(a8 == 15)) || !(a20 == 1)) || !(a17 == 1)) || a7 == 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((a16 == 5 || a7 == 1) || !(a17 == 1)) || !(a8 == 15)) || !(a20 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.49 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 921.7 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 104.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -207.3 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.25 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1726.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 889.7 MB in the end (delta: 233.9 MB). Peak memory consumption was 233.9 MB. Max. memory is 11.5 GB. * CodeCheck took 131531.82 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.6 GB). Free memory was 889.7 MB in the beginning and 1.7 GB in the end (delta: -771.5 MB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. * Witness Printer took 109.66 ms. Allocated memory is still 3.8 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 4.9 kB). Peak memory consumption was 4.9 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...