./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label40_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_0ac5b54a-dd9d-4b6f-903b-493139b5dab9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0ac5b54a-dd9d-4b6f-903b-493139b5dab9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0ac5b54a-dd9d-4b6f-903b-493139b5dab9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0ac5b54a-dd9d-4b6f-903b-493139b5dab9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label40_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0ac5b54a-dd9d-4b6f-903b-493139b5dab9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0ac5b54a-dd9d-4b6f-903b-493139b5dab9/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 d2268b9dd6959c9e4f82beab56974646f066475d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:06:58,698 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:06:58,699 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:06:58,709 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:06:58,709 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:06:58,710 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:06:58,712 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:06:58,713 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:06:58,714 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:06:58,715 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:06:58,716 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:06:58,716 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:06:58,717 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:06:58,718 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:06:58,719 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:06:58,720 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:06:58,721 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:06:58,722 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:06:58,724 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:06:58,726 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:06:58,727 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:06:58,728 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:06:58,730 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:06:58,731 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:06:58,731 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:06:58,732 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:06:58,733 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:06:58,734 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:06:58,734 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:06:58,736 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:06:58,736 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:06:58,737 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:06:58,737 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:06:58,737 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:06:58,738 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:06:58,739 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:06:58,740 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0ac5b54a-dd9d-4b6f-903b-493139b5dab9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:06:58,751 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:06:58,752 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:06:58,752 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:06:58,752 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:06:58,753 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:06:58,753 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:06:58,753 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:06:58,754 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:06:58,754 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:06:58,754 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:06:58,754 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:06:58,754 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:06:58,754 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:06:58,755 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:06:58,755 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:06:58,756 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:06:58,757 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:06:58,757 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:06:58,757 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:06:58,757 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:06:58,757 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:06:58,757 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:06:58,758 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:06:58,758 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:06:58,758 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:06:58,758 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:06:58,758 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:06:58,758 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:06:58,758 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_0ac5b54a-dd9d-4b6f-903b-493139b5dab9/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 -> d2268b9dd6959c9e4f82beab56974646f066475d [2018-10-26 21:06:58,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:06:58,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:06:58,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:06:58,816 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:06:58,816 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:06:58,817 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0ac5b54a-dd9d-4b6f-903b-493139b5dab9/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label40_true-unreach-call_false-termination.c [2018-10-26 21:06:58,874 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0ac5b54a-dd9d-4b6f-903b-493139b5dab9/bin-2019/ukojak/data/949540788/a9b4f66dee0945b6a306ca06ab77b0d8/FLAG689f6c205 [2018-10-26 21:06:59,312 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:06:59,314 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0ac5b54a-dd9d-4b6f-903b-493139b5dab9/sv-benchmarks/c/eca-rers2012/Problem01_label40_true-unreach-call_false-termination.c [2018-10-26 21:06:59,327 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0ac5b54a-dd9d-4b6f-903b-493139b5dab9/bin-2019/ukojak/data/949540788/a9b4f66dee0945b6a306ca06ab77b0d8/FLAG689f6c205 [2018-10-26 21:06:59,342 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0ac5b54a-dd9d-4b6f-903b-493139b5dab9/bin-2019/ukojak/data/949540788/a9b4f66dee0945b6a306ca06ab77b0d8 [2018-10-26 21:06:59,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:06:59,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:06:59,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:06:59,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:06:59,353 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:06:59,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:06:59" (1/1) ... [2018-10-26 21:06:59,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@466c5856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:59, skipping insertion in model container [2018-10-26 21:06:59,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:06:59" (1/1) ... [2018-10-26 21:06:59,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:06:59,416 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:06:59,725 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:06:59,729 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:06:59,807 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:06:59,820 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:06:59,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:59 WrapperNode [2018-10-26 21:06:59,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:06:59,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:06:59,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:06:59,821 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:06:59,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:59" (1/1) ... [2018-10-26 21:06:59,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:59" (1/1) ... [2018-10-26 21:06:59,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:06:59,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:06:59,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:06:59,981 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:06:59,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:59" (1/1) ... [2018-10-26 21:06:59,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:59" (1/1) ... [2018-10-26 21:06:59,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:59" (1/1) ... [2018-10-26 21:07:00,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:59" (1/1) ... [2018-10-26 21:07:00,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:59" (1/1) ... [2018-10-26 21:07:00,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:59" (1/1) ... [2018-10-26 21:07:00,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:59" (1/1) ... [2018-10-26 21:07:00,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:07:00,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:07:00,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:07:00,068 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:07:00,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:06:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ac5b54a-dd9d-4b6f-903b-493139b5dab9/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 [2018-10-26 21:07:00,129 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 21:07:00,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:07:00,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:07:05,543 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:07:05,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:07:05 BoogieIcfgContainer [2018-10-26 21:07:05,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:07:05,545 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:07:05,545 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:07:05,555 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:07:05,555 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:07:05" (1/1) ... [2018-10-26 21:07:05,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:07:05,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:05,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-10-26 21:07:05,608 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-10-26 21:07:05,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 21:07:05,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:06,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:07:07,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:07,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 147 states and 222 transitions. [2018-10-26 21:07:07,120 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 222 transitions. [2018-10-26 21:07:07,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-26 21:07:07,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:07,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:07:07,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:07,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 148 states and 223 transitions. [2018-10-26 21:07:07,656 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 223 transitions. [2018-10-26 21:07:07,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-26 21:07:07,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:07,882 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:07:08,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:08,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 154 states and 233 transitions. [2018-10-26 21:07:08,113 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 233 transitions. [2018-10-26 21:07:08,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 21:07:08,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:08,344 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:07:09,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:09,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 225 states and 307 transitions. [2018-10-26 21:07:09,213 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 307 transitions. [2018-10-26 21:07:09,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 21:07:09,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:09,305 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:07:09,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:09,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 233 states and 319 transitions. [2018-10-26 21:07:09,522 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 319 transitions. [2018-10-26 21:07:09,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 21:07:09,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:09,643 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:07:10,104 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 21:07:10,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:10,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 242 states and 336 transitions. [2018-10-26 21:07:10,439 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 336 transitions. [2018-10-26 21:07:10,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 21:07:10,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:10,485 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:07:10,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:10,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 248 states and 342 transitions. [2018-10-26 21:07:10,946 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 342 transitions. [2018-10-26 21:07:10,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 21:07:10,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:10,978 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:07:11,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:11,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 253 states and 347 transitions. [2018-10-26 21:07:11,117 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 347 transitions. [2018-10-26 21:07:11,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-26 21:07:11,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:11,146 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:07:11,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:11,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 262 states and 358 transitions. [2018-10-26 21:07:11,361 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 358 transitions. [2018-10-26 21:07:11,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-26 21:07:11,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:11,402 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:07:11,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:11,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 269 states and 366 transitions. [2018-10-26 21:07:11,689 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 366 transitions. [2018-10-26 21:07:11,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-26 21:07:11,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:11,734 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:07:11,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:11,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 272 states and 370 transitions. [2018-10-26 21:07:11,793 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 370 transitions. [2018-10-26 21:07:11,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-26 21:07:11,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:11,824 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:07:12,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:12,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 277 states and 375 transitions. [2018-10-26 21:07:12,326 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 375 transitions. [2018-10-26 21:07:12,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-26 21:07:12,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:12,379 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:07:12,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:12,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 278 states and 376 transitions. [2018-10-26 21:07:12,609 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 376 transitions. [2018-10-26 21:07:12,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 21:07:12,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:12,768 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:07:13,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:13,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 293 states and 398 transitions. [2018-10-26 21:07:13,409 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 398 transitions. [2018-10-26 21:07:13,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-26 21:07:13,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:14,258 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:07:15,502 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-26 21:07:16,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:16,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 317 states and 430 transitions. [2018-10-26 21:07:16,304 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 430 transitions. [2018-10-26 21:07:16,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-26 21:07:16,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:16,352 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:07:16,754 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 16 [2018-10-26 21:07:16,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:16,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 323 states and 436 transitions. [2018-10-26 21:07:16,978 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 436 transitions. [2018-10-26 21:07:16,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 21:07:16,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:17,053 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 21:07:17,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:17,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 324 states and 438 transitions. [2018-10-26 21:07:17,186 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 438 transitions. [2018-10-26 21:07:17,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 21:07:17,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:17,213 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 21:07:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:17,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 326 states and 440 transitions. [2018-10-26 21:07:17,236 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 440 transitions. [2018-10-26 21:07:17,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 21:07:17,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:17,641 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:07:18,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:18,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 337 states and 453 transitions. [2018-10-26 21:07:18,439 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 453 transitions. [2018-10-26 21:07:18,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 21:07:18,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:18,469 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 21:07:18,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:18,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 340 states and 456 transitions. [2018-10-26 21:07:18,679 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 456 transitions. [2018-10-26 21:07:18,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-26 21:07:18,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:18,709 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 21:07:18,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:18,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 342 states and 458 transitions. [2018-10-26 21:07:18,842 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 458 transitions. [2018-10-26 21:07:18,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-26 21:07:18,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:18,870 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:07:19,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:19,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 351 states and 469 transitions. [2018-10-26 21:07:19,122 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 469 transitions. [2018-10-26 21:07:19,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-26 21:07:19,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:19,694 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:07:20,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:20,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 376 states and 499 transitions. [2018-10-26 21:07:20,467 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 499 transitions. [2018-10-26 21:07:20,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 21:07:20,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:20,788 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:07:21,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:21,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 391 states and 518 transitions. [2018-10-26 21:07:21,285 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 518 transitions. [2018-10-26 21:07:21,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-26 21:07:21,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:21,671 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:07:22,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:22,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 417 states and 549 transitions. [2018-10-26 21:07:22,777 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 549 transitions. [2018-10-26 21:07:22,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-26 21:07:22,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:24,964 WARN L179 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 12 [2018-10-26 21:07:25,423 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:07:26,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:26,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 431 states and 568 transitions. [2018-10-26 21:07:26,226 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 568 transitions. [2018-10-26 21:07:26,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 21:07:26,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:26,275 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 21:07:26,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:26,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 434 states and 573 transitions. [2018-10-26 21:07:26,695 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 573 transitions. [2018-10-26 21:07:26,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 21:07:26,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:26,741 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 21:07:27,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:27,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 448 states and 588 transitions. [2018-10-26 21:07:27,903 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 588 transitions. [2018-10-26 21:07:27,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 21:07:27,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 21:07:28,523 WARN L179 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-26 21:07:28,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:28,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 454 states and 595 transitions. [2018-10-26 21:07:28,652 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 595 transitions. [2018-10-26 21:07:28,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-26 21:07:28,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:28,689 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 21:07:28,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:28,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 455 states and 596 transitions. [2018-10-26 21:07:28,771 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 596 transitions. [2018-10-26 21:07:28,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 21:07:28,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:28,816 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:07:29,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:29,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 458 states and 600 transitions. [2018-10-26 21:07:29,253 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 600 transitions. [2018-10-26 21:07:29,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 21:07:29,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:29,399 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:07:30,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:30,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 465 states and 610 transitions. [2018-10-26 21:07:30,012 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 610 transitions. [2018-10-26 21:07:30,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 21:07:30,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:30,053 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:07:30,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:30,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 474 states and 619 transitions. [2018-10-26 21:07:30,567 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 619 transitions. [2018-10-26 21:07:30,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-26 21:07:30,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:30,616 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:07:30,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:30,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 475 states and 620 transitions. [2018-10-26 21:07:30,713 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 620 transitions. [2018-10-26 21:07:30,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 21:07:30,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:31,539 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:07:33,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:33,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 524 states and 676 transitions. [2018-10-26 21:07:33,514 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 676 transitions. [2018-10-26 21:07:33,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 21:07:33,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:33,714 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:07:34,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:34,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 534 states and 693 transitions. [2018-10-26 21:07:34,474 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 693 transitions. [2018-10-26 21:07:34,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 21:07:34,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:34,516 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:07:36,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:36,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 583 states and 746 transitions. [2018-10-26 21:07:36,313 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 746 transitions. [2018-10-26 21:07:36,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 21:07:36,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:07:37,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:37,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 600 states and 765 transitions. [2018-10-26 21:07:37,144 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 765 transitions. [2018-10-26 21:07:37,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 21:07:37,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:37,181 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:07:37,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:37,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 605 states and 773 transitions. [2018-10-26 21:07:37,284 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 773 transitions. [2018-10-26 21:07:37,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-26 21:07:37,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:37,332 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:07:39,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:39,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 655 states and 830 transitions. [2018-10-26 21:07:39,251 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 830 transitions. [2018-10-26 21:07:39,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-26 21:07:39,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:39,866 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 21:07:41,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:41,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 665 states and 849 transitions. [2018-10-26 21:07:41,199 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 849 transitions. [2018-10-26 21:07:41,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 21:07:41,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:41,460 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 21:07:44,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:44,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 715 states and 906 transitions. [2018-10-26 21:07:44,182 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 906 transitions. [2018-10-26 21:07:44,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 21:07:44,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:44,898 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 21:07:47,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:47,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 746 states and 946 transitions. [2018-10-26 21:07:47,189 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 946 transitions. [2018-10-26 21:07:47,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 21:07:47,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:47,266 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 21:07:47,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:47,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 750 states and 949 transitions. [2018-10-26 21:07:47,959 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 949 transitions. [2018-10-26 21:07:47,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 21:07:47,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:47,998 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:07:48,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:48,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 767 states and 967 transitions. [2018-10-26 21:07:48,356 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 967 transitions. [2018-10-26 21:07:48,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 21:07:48,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:48,395 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:07:48,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:48,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 769 states and 969 transitions. [2018-10-26 21:07:48,527 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 969 transitions. [2018-10-26 21:07:48,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 21:07:48,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:48,950 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:07:50,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:50,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 795 states and 1007 transitions. [2018-10-26 21:07:50,912 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1007 transitions. [2018-10-26 21:07:50,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 21:07:50,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:51,123 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:07:51,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:51,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 805 states and 1016 transitions. [2018-10-26 21:07:51,498 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1016 transitions. [2018-10-26 21:07:51,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 21:07:51,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:52,446 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 114 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:07:54,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:54,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 820 states and 1035 transitions. [2018-10-26 21:07:54,120 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1035 transitions. [2018-10-26 21:07:54,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 21:07:54,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:54,229 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 114 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:07:55,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:55,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 827 states and 1044 transitions. [2018-10-26 21:07:55,221 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1044 transitions. [2018-10-26 21:07:55,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 21:07:55,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:55,312 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 114 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:07:56,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:56,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 841 states and 1058 transitions. [2018-10-26 21:07:56,195 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1058 transitions. [2018-10-26 21:07:56,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-26 21:07:56,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:56,657 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:07:58,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:58,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 866 states and 1085 transitions. [2018-10-26 21:07:58,150 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1085 transitions. [2018-10-26 21:07:58,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-26 21:07:58,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:58,193 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:07:58,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:58,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 867 states and 1086 transitions. [2018-10-26 21:07:58,220 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1086 transitions. [2018-10-26 21:07:58,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-26 21:07:58,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:58,294 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:07:58,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:58,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 868 states and 1086 transitions. [2018-10-26 21:07:58,804 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1086 transitions. [2018-10-26 21:07:58,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 21:07:58,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:07:58,855 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 21:07:59,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:07:59,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 877 states and 1096 transitions. [2018-10-26 21:07:59,918 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1096 transitions. [2018-10-26 21:07:59,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-26 21:07:59,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:07:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:00,223 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 21:08:01,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:01,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 887 states and 1112 transitions. [2018-10-26 21:08:01,422 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1112 transitions. [2018-10-26 21:08:01,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 21:08:01,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:02,062 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:08:04,236 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2018-10-26 21:08:05,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:05,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 957 states and 1192 transitions. [2018-10-26 21:08:05,226 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1192 transitions. [2018-10-26 21:08:05,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 21:08:05,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:05,266 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:08:05,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:05,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 958 states and 1194 transitions. [2018-10-26 21:08:05,321 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1194 transitions. [2018-10-26 21:08:05,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-26 21:08:05,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:05,793 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 94 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:08:07,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:07,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 978 states and 1221 transitions. [2018-10-26 21:08:07,586 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1221 transitions. [2018-10-26 21:08:07,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 21:08:07,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:07,717 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:08:09,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:09,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1036 states and 1282 transitions. [2018-10-26 21:08:09,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1282 transitions. [2018-10-26 21:08:09,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 21:08:09,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:09,373 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:08:09,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:09,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1037 states and 1282 transitions. [2018-10-26 21:08:09,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1282 transitions. [2018-10-26 21:08:09,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-26 21:08:09,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:09,731 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:08:12,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:12,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1104 states and 1357 transitions. [2018-10-26 21:08:12,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1357 transitions. [2018-10-26 21:08:12,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-26 21:08:12,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:12,789 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:08:13,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:13,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1109 states and 1362 transitions. [2018-10-26 21:08:13,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1362 transitions. [2018-10-26 21:08:13,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-26 21:08:13,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:13,445 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 101 proven. 26 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:08:15,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:15,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1138 states and 1415 transitions. [2018-10-26 21:08:15,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1415 transitions. [2018-10-26 21:08:15,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-26 21:08:15,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:16,006 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-26 21:08:17,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:17,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1162 states and 1443 transitions. [2018-10-26 21:08:17,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1443 transitions. [2018-10-26 21:08:17,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 21:08:17,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:17,512 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 21:08:17,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:17,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1163 states and 1444 transitions. [2018-10-26 21:08:17,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1444 transitions. [2018-10-26 21:08:17,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-26 21:08:17,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:17,814 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 106 proven. 36 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:08:18,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:18,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1177 states and 1461 transitions. [2018-10-26 21:08:18,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1461 transitions. [2018-10-26 21:08:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-26 21:08:18,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:18,658 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-26 21:08:19,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:19,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1183 states and 1469 transitions. [2018-10-26 21:08:19,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1469 transitions. [2018-10-26 21:08:19,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-26 21:08:19,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:20,255 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:08:21,788 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-10-26 21:08:22,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:22,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1200 states and 1490 transitions. [2018-10-26 21:08:22,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1490 transitions. [2018-10-26 21:08:22,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-26 21:08:22,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:22,847 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:08:23,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:23,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1207 states and 1498 transitions. [2018-10-26 21:08:23,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1498 transitions. [2018-10-26 21:08:23,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-26 21:08:23,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:23,854 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:08:24,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:24,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1222 states and 1512 transitions. [2018-10-26 21:08:24,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1512 transitions. [2018-10-26 21:08:24,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-26 21:08:24,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:24,851 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:08:25,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:25,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1223 states and 1513 transitions. [2018-10-26 21:08:25,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1513 transitions. [2018-10-26 21:08:25,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-26 21:08:25,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:26,256 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 21:08:29,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:29,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1241 states and 1537 transitions. [2018-10-26 21:08:29,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1537 transitions. [2018-10-26 21:08:29,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-26 21:08:29,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:29,095 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-26 21:08:29,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:29,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1312 states and 1611 transitions. [2018-10-26 21:08:29,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1611 transitions. [2018-10-26 21:08:29,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 21:08:29,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:29,863 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:08:31,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:31,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1336 states and 1637 transitions. [2018-10-26 21:08:31,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1637 transitions. [2018-10-26 21:08:31,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 21:08:31,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:31,707 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:08:33,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:33,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1353 states and 1665 transitions. [2018-10-26 21:08:33,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1665 transitions. [2018-10-26 21:08:33,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 21:08:33,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:33,972 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:08:34,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:34,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1359 states and 1673 transitions. [2018-10-26 21:08:34,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1673 transitions. [2018-10-26 21:08:34,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 21:08:34,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:34,944 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:08:35,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:35,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1360 states and 1676 transitions. [2018-10-26 21:08:35,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1676 transitions. [2018-10-26 21:08:35,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 21:08:35,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:35,611 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:08:36,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:36,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1374 states and 1689 transitions. [2018-10-26 21:08:36,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 1689 transitions. [2018-10-26 21:08:36,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 21:08:36,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:36,145 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:08:36,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:36,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1383 states and 1698 transitions. [2018-10-26 21:08:36,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1698 transitions. [2018-10-26 21:08:36,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 21:08:36,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:36,877 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:08:37,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:37,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1388 states and 1703 transitions. [2018-10-26 21:08:37,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1703 transitions. [2018-10-26 21:08:37,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 21:08:37,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:37,760 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:08:40,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:40,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1462 states and 1785 transitions. [2018-10-26 21:08:40,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1785 transitions. [2018-10-26 21:08:40,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 21:08:40,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:40,752 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 26 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:08:41,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:41,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1463 states and 1785 transitions. [2018-10-26 21:08:41,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1785 transitions. [2018-10-26 21:08:41,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-26 21:08:41,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:42,275 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 191 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:08:45,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:45,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1479 states and 1814 transitions. [2018-10-26 21:08:45,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1814 transitions. [2018-10-26 21:08:45,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-26 21:08:45,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:45,725 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 191 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:08:47,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:47,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1488 states and 1827 transitions. [2018-10-26 21:08:47,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1827 transitions. [2018-10-26 21:08:47,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-26 21:08:47,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 191 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:08:49,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:49,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1491 states and 1835 transitions. [2018-10-26 21:08:49,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1835 transitions. [2018-10-26 21:08:49,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-26 21:08:49,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:49,420 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 191 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:08:51,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:51,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1507 states and 1852 transitions. [2018-10-26 21:08:51,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1852 transitions. [2018-10-26 21:08:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-26 21:08:51,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:51,915 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 191 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:08:53,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:53,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1521 states and 1867 transitions. [2018-10-26 21:08:53,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1867 transitions. [2018-10-26 21:08:53,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-26 21:08:53,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:53,742 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 191 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:08:55,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:55,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1535 states and 1882 transitions. [2018-10-26 21:08:55,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1882 transitions. [2018-10-26 21:08:55,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-26 21:08:55,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:55,454 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 191 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:08:56,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:08:56,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1536 states and 1882 transitions. [2018-10-26 21:08:56,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1536 states and 1882 transitions. [2018-10-26 21:08:56,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 21:08:56,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:08:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:58,269 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 21:09:03,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:03,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1581 states and 1929 transitions. [2018-10-26 21:09:03,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 1929 transitions. [2018-10-26 21:09:03,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 21:09:03,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:03,915 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 21:09:04,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:04,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 1584 states and 1933 transitions. [2018-10-26 21:09:04,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 1933 transitions. [2018-10-26 21:09:04,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 21:09:04,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:05,197 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 157 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:08,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:08,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1603 states and 1955 transitions. [2018-10-26 21:09:08,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 1955 transitions. [2018-10-26 21:09:08,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-26 21:09:08,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:08,436 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-10-26 21:09:09,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:09,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1617 states and 1972 transitions. [2018-10-26 21:09:09,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 1972 transitions. [2018-10-26 21:09:09,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-26 21:09:09,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:10,707 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 203 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:15,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:15,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 1640 states and 2004 transitions. [2018-10-26 21:09:15,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 2004 transitions. [2018-10-26 21:09:15,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-26 21:09:15,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:15,647 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 203 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:16,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:16,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 1649 states and 2012 transitions. [2018-10-26 21:09:16,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2012 transitions. [2018-10-26 21:09:16,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 21:09:16,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:17,001 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 175 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:19,659 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2018-10-26 21:09:19,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:19,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 1675 states and 2041 transitions. [2018-10-26 21:09:19,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 2041 transitions. [2018-10-26 21:09:19,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-10-26 21:09:19,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:20,020 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-10-26 21:09:21,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:21,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 1746 states and 2116 transitions. [2018-10-26 21:09:21,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2116 transitions. [2018-10-26 21:09:21,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 21:09:21,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:21,394 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 21:09:21,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:21,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 1755 states and 2124 transitions. [2018-10-26 21:09:21,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2124 transitions. [2018-10-26 21:09:21,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-10-26 21:09:21,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:22,171 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 265 proven. 20 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-26 21:09:26,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:26,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 1771 states and 2142 transitions. [2018-10-26 21:09:26,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 2142 transitions. [2018-10-26 21:09:26,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-10-26 21:09:26,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:27,105 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 265 proven. 20 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-26 21:09:28,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:28,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 1776 states and 2147 transitions. [2018-10-26 21:09:28,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2147 transitions. [2018-10-26 21:09:28,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-10-26 21:09:28,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:28,962 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-26 21:09:29,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:29,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 1780 states and 2150 transitions. [2018-10-26 21:09:29,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2150 transitions. [2018-10-26 21:09:29,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-10-26 21:09:29,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:30,057 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-26 21:09:33,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:33,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 1814 states and 2187 transitions. [2018-10-26 21:09:33,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2187 transitions. [2018-10-26 21:09:33,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-10-26 21:09:33,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:33,341 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-26 21:09:34,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:34,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 1819 states and 2191 transitions. [2018-10-26 21:09:34,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2191 transitions. [2018-10-26 21:09:34,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 21:09:34,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:34,605 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-10-26 21:09:35,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:35,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 1824 states and 2195 transitions. [2018-10-26 21:09:35,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 2195 transitions. [2018-10-26 21:09:35,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 21:09:35,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:35,856 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-10-26 21:09:37,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:37,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 1831 states and 2203 transitions. [2018-10-26 21:09:37,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2203 transitions. [2018-10-26 21:09:37,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 21:09:37,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:37,283 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-10-26 21:09:38,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:38,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1841 states and 2212 transitions. [2018-10-26 21:09:38,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2212 transitions. [2018-10-26 21:09:38,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 21:09:38,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:38,325 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-10-26 21:09:39,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:39,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 1847 states and 2217 transitions. [2018-10-26 21:09:39,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2217 transitions. [2018-10-26 21:09:39,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 21:09:39,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:39,609 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-26 21:09:41,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:41,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 1910 states and 2290 transitions. [2018-10-26 21:09:41,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2290 transitions. [2018-10-26 21:09:41,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 21:09:41,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:41,839 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-10-26 21:09:45,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:45,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 2053 states and 2440 transitions. [2018-10-26 21:09:45,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 2440 transitions. [2018-10-26 21:09:45,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 21:09:45,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:45,153 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-10-26 21:09:45,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:45,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2442 states to 2056 states and 2442 transitions. [2018-10-26 21:09:45,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 2442 transitions. [2018-10-26 21:09:45,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-10-26 21:09:45,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:45,960 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 262 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-10-26 21:09:50,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:50,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 2193 states and 2582 transitions. [2018-10-26 21:09:50,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 2582 transitions. [2018-10-26 21:09:50,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-10-26 21:09:50,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:50,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:51,787 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 318 proven. 140 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:10:02,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:02,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2687 states to 2277 states and 2687 transitions. [2018-10-26 21:10:02,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 2687 transitions. [2018-10-26 21:10:02,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-10-26 21:10:02,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:03,328 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 318 proven. 140 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:10:06,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:06,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2727 states to 2312 states and 2727 transitions. [2018-10-26 21:10:06,463 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 2727 transitions. [2018-10-26 21:10:06,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-10-26 21:10:06,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:07,102 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 318 proven. 140 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:10:10,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:10,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2341 states and 2761 transitions. [2018-10-26 21:10:10,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2341 states and 2761 transitions. [2018-10-26 21:10:10,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-10-26 21:10:10,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:10,516 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 318 proven. 140 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:10:11,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:11,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2765 states to 2343 states and 2765 transitions. [2018-10-26 21:10:11,287 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 2765 transitions. [2018-10-26 21:10:11,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-10-26 21:10:11,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:11,760 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 318 proven. 140 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:10:12,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:12,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2345 states and 2769 transitions. [2018-10-26 21:10:12,583 INFO L276 IsEmpty]: Start isEmpty. Operand 2345 states and 2769 transitions. [2018-10-26 21:10:12,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-10-26 21:10:12,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:13,008 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 318 proven. 140 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:10:13,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:13,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2346 states and 2771 transitions. [2018-10-26 21:10:13,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 2771 transitions. [2018-10-26 21:10:13,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-10-26 21:10:13,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:14,440 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 318 proven. 140 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:10:15,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:15,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2351 states and 2775 transitions. [2018-10-26 21:10:15,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2351 states and 2775 transitions. [2018-10-26 21:10:15,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-10-26 21:10:15,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:15,500 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 318 proven. 140 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:10:17,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:17,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2365 states and 2788 transitions. [2018-10-26 21:10:17,122 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 2788 transitions. [2018-10-26 21:10:17,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-10-26 21:10:17,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:17,372 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 451 proven. 8 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-10-26 21:10:17,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:17,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2370 states and 2794 transitions. [2018-10-26 21:10:17,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 2794 transitions. [2018-10-26 21:10:17,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-10-26 21:10:17,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:18,400 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 124 proven. 378 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-26 21:10:20,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:20,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2367 states and 2790 transitions. [2018-10-26 21:10:20,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2790 transitions. [2018-10-26 21:10:20,026 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:10:20,026 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 123 iterations. [2018-10-26 21:10:20,033 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 21:10:20,241 WARN L179 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 43 [2018-10-26 21:10:20,375 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 43 [2018-10-26 21:10:20,590 WARN L179 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 42 [2018-10-26 21:10:20,724 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 43 [2018-10-26 21:10:20,943 WARN L179 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 39 [2018-10-26 21:10:21,423 WARN L179 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 39 [2018-10-26 21:10:21,558 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 17 [2018-10-26 21:10:21,703 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 17 [2018-10-26 21:10:21,963 WARN L179 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 42 [2018-10-26 21:10:22,201 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 17 [2018-10-26 21:10:22,520 WARN L179 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 49 [2018-10-26 21:10:22,647 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 17 [2018-10-26 21:10:22,836 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 17 [2018-10-26 21:10:22,965 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2018-10-26 21:10:23,364 WARN L179 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 49 [2018-10-26 21:10:23,653 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 39 [2018-10-26 21:10:23,798 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 43 [2018-10-26 21:10:24,006 WARN L179 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 39 [2018-10-26 21:10:24,262 WARN L179 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 49 [2018-10-26 21:10:24,454 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 43 [2018-10-26 21:10:24,608 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 43 [2018-10-26 21:10:24,751 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 43 [2018-10-26 21:10:25,028 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 43 [2018-10-26 21:10:25,258 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 43 [2018-10-26 21:10:25,385 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 17 [2018-10-26 21:10:25,534 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 43 [2018-10-26 21:10:25,937 WARN L179 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 49 [2018-10-26 21:10:26,101 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 17 [2018-10-26 21:10:26,509 WARN L179 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 49 [2018-10-26 21:10:26,829 WARN L179 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 49 [2018-10-26 21:10:27,084 WARN L179 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 49 [2018-10-26 21:10:27,342 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 17 [2018-10-26 21:10:27,598 WARN L179 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 49 [2018-10-26 21:10:27,783 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 43 [2018-10-26 21:10:28,107 WARN L179 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 48 [2018-10-26 21:10:28,320 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 43 [2018-10-26 21:10:28,525 WARN L179 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 42 [2018-10-26 21:10:28,708 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 46 [2018-10-26 21:10:29,000 WARN L179 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 17 [2018-10-26 21:10:29,141 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 43 [2018-10-26 21:10:29,284 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 43 [2018-10-26 21:10:29,463 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 39 [2018-10-26 21:10:29,728 WARN L179 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 39 [2018-10-26 21:10:29,931 WARN L179 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 39 [2018-10-26 21:10:30,241 WARN L179 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 49 [2018-10-26 21:10:30,348 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 17 [2018-10-26 21:10:30,348 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:10:30,350 INFO L582 CodeCheckObserver]: Invariant with dag size 17 [2018-10-26 21:10:30,357 INFO L582 CodeCheckObserver]: Invariant with dag size 17 [2018-10-26 21:10:30,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:10:30 ImpRootNode [2018-10-26 21:10:30,358 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:10:30,358 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:10:30,358 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:10:30,358 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:10:30,360 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:07:05" (3/4) ... [2018-10-26 21:10:30,365 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:10:30,387 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-10-26 21:10:30,392 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-10-26 21:10:30,393 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-10-26 21:10:30,394 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 21:10:30,526 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0ac5b54a-dd9d-4b6f-903b-493139b5dab9/bin-2019/ukojak/witness.graphml [2018-10-26 21:10:30,526 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:10:30,527 INFO L168 Benchmark]: Toolchain (without parser) took 211178.10 ms. Allocated memory was 1.0 GB in the beginning and 3.7 GB in the end (delta: 2.7 GB). Free memory was 950.4 MB in the beginning and 2.9 GB in the end (delta: -2.0 GB). Peak memory consumption was 711.0 MB. Max. memory is 11.5 GB. [2018-10-26 21:10:30,527 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:10:30,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 470.94 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 923.6 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:10:30,528 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 923.6 MB in the beginning and 1.1 GB in the end (delta: -222.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:10:30,528 INFO L168 Benchmark]: Boogie Preprocessor took 87.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:10:30,528 INFO L168 Benchmark]: RCFGBuilder took 5476.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 919.9 MB in the end (delta: 226.5 MB). Peak memory consumption was 226.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:10:30,528 INFO L168 Benchmark]: CodeCheck took 204813.11 ms. Allocated memory was 1.2 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 919.9 MB in the beginning and 2.9 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2018-10-26 21:10:30,528 INFO L168 Benchmark]: Witness Printer took 168.19 ms. Allocated memory is still 3.7 GB. Free memory is still 2.9 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:10:30,530 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, 194.4s OverallTime, 123 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1476438028 SDtfs, -1074608618 SDslu, -402305952 SDs, 0 SdLazy, 2144348102 SolverSat, -17489664 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 849.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 136797 GetRequests, 130456 SyntacticMatches, 4965 SemanticMatches, 1376 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1470884 ImplicationChecksByTransitivity, 165.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 27.5s InterpolantComputationTime, 20808 NumberOfCodeBlocks, 20808 NumberOfCodeBlocksAsserted, 122 NumberOfCheckSat, 20686 ConstructedInterpolants, 0 QuantifiedInterpolants, 23483469 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 122 InterpolantComputations, 85 PerfectInterpolantSequences, 19022/21024 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: 437]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((a17 == 1 || !(a8 == 13)) || !(a20 == 1)) || !(a16 == 6)) || a7 == 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((a17 == 1 || !(a8 == 13)) || !(a20 == 1)) || !(a16 == 6)) || a7 == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 470.94 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 923.6 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 158.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 923.6 MB in the beginning and 1.1 GB in the end (delta: -222.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 87.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 5476.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 919.9 MB in the end (delta: 226.5 MB). Peak memory consumption was 226.5 MB. Max. memory is 11.5 GB. * CodeCheck took 204813.11 ms. Allocated memory was 1.2 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 919.9 MB in the beginning and 2.9 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. * Witness Printer took 168.19 ms. Allocated memory is still 3.7 GB. Free memory is still 2.9 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...