./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label51_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_8907bcaa-7ec0-43bd-9cb9-4576e6304b26/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8907bcaa-7ec0-43bd-9cb9-4576e6304b26/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8907bcaa-7ec0-43bd-9cb9-4576e6304b26/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8907bcaa-7ec0-43bd-9cb9-4576e6304b26/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label51_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8907bcaa-7ec0-43bd-9cb9-4576e6304b26/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8907bcaa-7ec0-43bd-9cb9-4576e6304b26/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 1924a8dde25e8984c73792fdb4b4e419be9487c7 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:49:05,652 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:49:05,653 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:49:05,663 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:49:05,663 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:49:05,664 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:49:05,665 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:49:05,667 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:49:05,668 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:49:05,669 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:49:05,670 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:49:05,670 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:49:05,671 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:49:05,672 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:49:05,672 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:49:05,673 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:49:05,675 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:49:05,676 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:49:05,678 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:49:05,679 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:49:05,680 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:49:05,681 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:49:05,683 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:49:05,684 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:49:05,684 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:49:05,684 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:49:05,685 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:49:05,686 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:49:05,687 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:49:05,688 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:49:05,688 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:49:05,688 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:49:05,689 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:49:05,689 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:49:05,690 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:49:05,691 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:49:05,691 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8907bcaa-7ec0-43bd-9cb9-4576e6304b26/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-27 00:49:05,703 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:49:05,703 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:49:05,703 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:49:05,704 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:49:05,704 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:49:05,704 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:49:05,705 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:49:05,705 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:49:05,705 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:49:05,705 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:49:05,705 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:49:05,705 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:49:05,705 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:49:05,706 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:49:05,707 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:49:05,707 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:49:05,707 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:49:05,708 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:49:05,708 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:49:05,708 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:49:05,708 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:49:05,708 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:49:05,708 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:49:05,708 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:49:05,709 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:49:05,709 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 00:49:05,709 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:49:05,709 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:49:05,709 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_8907bcaa-7ec0-43bd-9cb9-4576e6304b26/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 -> 1924a8dde25e8984c73792fdb4b4e419be9487c7 [2018-10-27 00:49:05,738 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:49:05,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:49:05,752 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:49:05,753 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:49:05,753 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:49:05,758 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8907bcaa-7ec0-43bd-9cb9-4576e6304b26/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label51_true-unreach-call_false-termination.c [2018-10-27 00:49:05,805 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8907bcaa-7ec0-43bd-9cb9-4576e6304b26/bin-2019/ukojak/data/afaf3b63a/216249d9deaf4ba5a30d7aef78f2ba7d/FLAG32a889a81 [2018-10-27 00:49:06,238 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:49:06,239 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8907bcaa-7ec0-43bd-9cb9-4576e6304b26/sv-benchmarks/c/eca-rers2012/Problem01_label51_true-unreach-call_false-termination.c [2018-10-27 00:49:06,249 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8907bcaa-7ec0-43bd-9cb9-4576e6304b26/bin-2019/ukojak/data/afaf3b63a/216249d9deaf4ba5a30d7aef78f2ba7d/FLAG32a889a81 [2018-10-27 00:49:06,263 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8907bcaa-7ec0-43bd-9cb9-4576e6304b26/bin-2019/ukojak/data/afaf3b63a/216249d9deaf4ba5a30d7aef78f2ba7d [2018-10-27 00:49:06,271 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:49:06,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:49:06,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:49:06,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:49:06,280 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:49:06,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:49:06" (1/1) ... [2018-10-27 00:49:06,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59845b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06, skipping insertion in model container [2018-10-27 00:49:06,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:49:06" (1/1) ... [2018-10-27 00:49:06,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:49:06,353 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:49:06,675 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:49:06,678 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:49:06,778 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:49:06,792 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:49:06,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06 WrapperNode [2018-10-27 00:49:06,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:49:06,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:49:06,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:49:06,793 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:49:06,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06" (1/1) ... [2018-10-27 00:49:06,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06" (1/1) ... [2018-10-27 00:49:06,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:49:06,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:49:06,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:49:06,882 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:49:06,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06" (1/1) ... [2018-10-27 00:49:06,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06" (1/1) ... [2018-10-27 00:49:06,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06" (1/1) ... [2018-10-27 00:49:06,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06" (1/1) ... [2018-10-27 00:49:07,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06" (1/1) ... [2018-10-27 00:49:07,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06" (1/1) ... [2018-10-27 00:49:07,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06" (1/1) ... [2018-10-27 00:49:07,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:49:07,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:49:07,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:49:07,057 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:49:07,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:49:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8907bcaa-7ec0-43bd-9cb9-4576e6304b26/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 [2018-10-27 00:49:07,120 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-27 00:49:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:49:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:49:11,836 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:49:11,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:49:11 BoogieIcfgContainer [2018-10-27 00:49:11,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:49:11,837 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:49:11,837 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:49:11,850 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:49:11,851 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:49:11" (1/1) ... [2018-10-27 00:49:11,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:49:11,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:11,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-10-27 00:49:11,905 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-10-27 00:49:11,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-27 00:49:11,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:12,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:13,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:13,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 147 states and 239 transitions. [2018-10-27 00:49:13,231 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 239 transitions. [2018-10-27 00:49:13,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-27 00:49:13,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:13,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:49:13,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:13,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 148 states and 240 transitions. [2018-10-27 00:49:13,957 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 240 transitions. [2018-10-27 00:49:13,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-27 00:49:13,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:14,085 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:14,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:14,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 153 states and 248 transitions. [2018-10-27 00:49:14,269 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 248 transitions. [2018-10-27 00:49:14,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-27 00:49:14,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:15,018 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:15,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:15,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 162 states and 264 transitions. [2018-10-27 00:49:15,264 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 264 transitions. [2018-10-27 00:49:15,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-27 00:49:15,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:15,293 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:49:15,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:15,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 163 states and 265 transitions. [2018-10-27 00:49:15,596 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 265 transitions. [2018-10-27 00:49:15,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-27 00:49:15,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:15,929 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 00:49:16,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:16,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 176 states and 286 transitions. [2018-10-27 00:49:16,359 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 286 transitions. [2018-10-27 00:49:16,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-27 00:49:16,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:16,478 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:16,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:16,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 182 states and 293 transitions. [2018-10-27 00:49:16,697 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 293 transitions. [2018-10-27 00:49:16,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-27 00:49:16,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:16,752 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:16,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:16,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 183 states and 294 transitions. [2018-10-27 00:49:16,810 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 294 transitions. [2018-10-27 00:49:16,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-27 00:49:16,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:17,010 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:17,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:17,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 198 states and 314 transitions. [2018-10-27 00:49:17,657 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 314 transitions. [2018-10-27 00:49:17,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-27 00:49:17,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:17,687 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:17,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:17,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 199 states and 316 transitions. [2018-10-27 00:49:17,796 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 316 transitions. [2018-10-27 00:49:17,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-27 00:49:17,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:17,948 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:18,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:18,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 209 states and 335 transitions. [2018-10-27 00:49:18,312 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 335 transitions. [2018-10-27 00:49:18,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-27 00:49:18,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:18,341 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:18,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:18,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 210 states and 337 transitions. [2018-10-27 00:49:18,457 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 337 transitions. [2018-10-27 00:49:18,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-27 00:49:18,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:18,492 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:49:18,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:18,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 211 states and 338 transitions. [2018-10-27 00:49:18,976 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 338 transitions. [2018-10-27 00:49:18,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-27 00:49:18,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:19,051 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:19,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:19,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 215 states and 344 transitions. [2018-10-27 00:49:19,463 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 344 transitions. [2018-10-27 00:49:19,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-27 00:49:19,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:19,655 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:20,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:20,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 226 states and 363 transitions. [2018-10-27 00:49:20,483 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 363 transitions. [2018-10-27 00:49:20,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-27 00:49:20,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:20,534 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:49:21,399 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 00:49:21,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:21,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 228 states and 364 transitions. [2018-10-27 00:49:21,468 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 364 transitions. [2018-10-27 00:49:21,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-27 00:49:21,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:21,508 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:49:22,162 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2018-10-27 00:49:22,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:22,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 233 states and 369 transitions. [2018-10-27 00:49:22,273 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 369 transitions. [2018-10-27 00:49:22,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-27 00:49:22,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:22,368 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:22,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:22,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 235 states and 372 transitions. [2018-10-27 00:49:22,536 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 372 transitions. [2018-10-27 00:49:22,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-27 00:49:22,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:22,563 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:23,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:23,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 246 states and 388 transitions. [2018-10-27 00:49:23,124 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 388 transitions. [2018-10-27 00:49:23,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-27 00:49:23,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:23,175 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:49:23,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:23,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 257 states and 402 transitions. [2018-10-27 00:49:23,801 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 402 transitions. [2018-10-27 00:49:23,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-27 00:49:23,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:23,829 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:49:24,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:24,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 259 states and 403 transitions. [2018-10-27 00:49:24,654 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 403 transitions. [2018-10-27 00:49:24,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-27 00:49:24,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:24,766 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:25,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:25,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 284 states and 437 transitions. [2018-10-27 00:49:25,929 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 437 transitions. [2018-10-27 00:49:25,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-27 00:49:25,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:25,972 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:49:26,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:26,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 287 states and 440 transitions. [2018-10-27 00:49:26,055 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 440 transitions. [2018-10-27 00:49:26,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-27 00:49:26,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:26,184 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:26,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:26,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 290 states and 443 transitions. [2018-10-27 00:49:26,204 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 443 transitions. [2018-10-27 00:49:26,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-27 00:49:26,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:26,230 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:49:26,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:26,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 292 states and 448 transitions. [2018-10-27 00:49:26,427 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 448 transitions. [2018-10-27 00:49:26,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-27 00:49:26,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:26,555 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:27,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:27,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 306 states and 470 transitions. [2018-10-27 00:49:27,382 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 470 transitions. [2018-10-27 00:49:27,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-27 00:49:27,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:27,410 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:28,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:28,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 322 states and 488 transitions. [2018-10-27 00:49:28,294 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 488 transitions. [2018-10-27 00:49:28,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-27 00:49:28,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:28,323 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:28,871 WARN L179 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-10-27 00:49:29,534 WARN L179 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2018-10-27 00:49:30,994 WARN L179 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-27 00:49:31,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:31,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 326 states and 492 transitions. [2018-10-27 00:49:31,327 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 492 transitions. [2018-10-27 00:49:31,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-27 00:49:31,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:31,518 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:32,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:32,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 340 states and 507 transitions. [2018-10-27 00:49:32,280 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 507 transitions. [2018-10-27 00:49:32,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-27 00:49:32,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:32,313 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:32,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:32,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 342 states and 510 transitions. [2018-10-27 00:49:32,442 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 510 transitions. [2018-10-27 00:49:32,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-27 00:49:32,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:32,786 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:34,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:34,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 363 states and 544 transitions. [2018-10-27 00:49:34,293 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 544 transitions. [2018-10-27 00:49:34,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-27 00:49:34,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:34,447 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:34,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:34,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 374 states and 557 transitions. [2018-10-27 00:49:34,949 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 557 transitions. [2018-10-27 00:49:34,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-27 00:49:34,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:35,080 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:35,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:35,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 380 states and 563 transitions. [2018-10-27 00:49:35,497 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 563 transitions. [2018-10-27 00:49:35,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-27 00:49:35,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:36,561 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:36,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:36,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 381 states and 565 transitions. [2018-10-27 00:49:36,850 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 565 transitions. [2018-10-27 00:49:36,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-27 00:49:36,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:37,346 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:37,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:37,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 386 states and 572 transitions. [2018-10-27 00:49:37,715 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 572 transitions. [2018-10-27 00:49:37,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-27 00:49:37,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:39,065 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:39,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:39,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 390 states and 576 transitions. [2018-10-27 00:49:39,290 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 576 transitions. [2018-10-27 00:49:39,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-27 00:49:39,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:39,418 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:39,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:39,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 391 states and 577 transitions. [2018-10-27 00:49:39,607 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 577 transitions. [2018-10-27 00:49:39,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-27 00:49:39,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:41,149 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:42,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:42,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 405 states and 598 transitions. [2018-10-27 00:49:42,750 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 598 transitions. [2018-10-27 00:49:42,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-27 00:49:42,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:42,791 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:49:43,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:43,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 419 states and 614 transitions. [2018-10-27 00:49:43,971 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 614 transitions. [2018-10-27 00:49:43,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-27 00:49:43,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:43,994 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:49:44,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:44,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 431 states and 627 transitions. [2018-10-27 00:49:44,898 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 627 transitions. [2018-10-27 00:49:44,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-27 00:49:44,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:44,929 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:46,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:46,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 448 states and 648 transitions. [2018-10-27 00:49:46,149 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 648 transitions. [2018-10-27 00:49:46,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-27 00:49:46,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:46,338 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:48,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:48,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 463 states and 673 transitions. [2018-10-27 00:49:48,114 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 673 transitions. [2018-10-27 00:49:48,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-27 00:49:48,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:48,325 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:48,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:48,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 467 states and 677 transitions. [2018-10-27 00:49:48,585 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 677 transitions. [2018-10-27 00:49:48,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-27 00:49:48,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:48,758 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:49,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:49,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 485 states and 693 transitions. [2018-10-27 00:49:49,323 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 693 transitions. [2018-10-27 00:49:49,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-27 00:49:49,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:49,512 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:50,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:50,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 556 states and 773 transitions. [2018-10-27 00:49:50,014 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 773 transitions. [2018-10-27 00:49:50,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-27 00:49:50,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:50,216 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:50,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:50,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 557 states and 774 transitions. [2018-10-27 00:49:50,586 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 774 transitions. [2018-10-27 00:49:50,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-27 00:49:50,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:50,614 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:51,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:51,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 565 states and 781 transitions. [2018-10-27 00:49:51,185 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 781 transitions. [2018-10-27 00:49:51,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-27 00:49:51,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:51,206 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:51,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:51,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 574 states and 792 transitions. [2018-10-27 00:49:51,323 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 792 transitions. [2018-10-27 00:49:51,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-27 00:49:51,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:51,344 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:52,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:52,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 583 states and 806 transitions. [2018-10-27 00:49:52,271 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 806 transitions. [2018-10-27 00:49:52,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-27 00:49:52,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:52,291 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:53,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:53,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 595 states and 816 transitions. [2018-10-27 00:49:53,221 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 816 transitions. [2018-10-27 00:49:53,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-27 00:49:53,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:53,356 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:53,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:53,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 608 states and 831 transitions. [2018-10-27 00:49:53,622 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 831 transitions. [2018-10-27 00:49:53,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-27 00:49:53,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:53,648 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:49:53,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:53,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 610 states and 832 transitions. [2018-10-27 00:49:53,755 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 832 transitions. [2018-10-27 00:49:53,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-27 00:49:53,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:53,776 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:54,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:54,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 614 states and 835 transitions. [2018-10-27 00:49:54,013 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 835 transitions. [2018-10-27 00:49:54,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-27 00:49:54,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:54,121 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:54,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:54,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 628 states and 851 transitions. [2018-10-27 00:49:54,385 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 851 transitions. [2018-10-27 00:49:54,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-27 00:49:54,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:54,412 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:49:54,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:54,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 630 states and 852 transitions. [2018-10-27 00:49:54,532 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 852 transitions. [2018-10-27 00:49:54,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-27 00:49:54,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:54,562 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:49:54,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:54,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 632 states and 855 transitions. [2018-10-27 00:49:54,759 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 855 transitions. [2018-10-27 00:49:54,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-27 00:49:54,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:49:57,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:57,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 677 states and 903 transitions. [2018-10-27 00:49:57,486 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 903 transitions. [2018-10-27 00:49:57,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-27 00:49:57,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:57,688 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-27 00:49:59,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:59,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 774 states and 1008 transitions. [2018-10-27 00:49:59,349 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1008 transitions. [2018-10-27 00:49:59,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-27 00:49:59,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:59,553 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:00,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:00,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 788 states and 1027 transitions. [2018-10-27 00:50:00,038 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1027 transitions. [2018-10-27 00:50:00,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-27 00:50:00,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:00,070 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:00,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:00,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 796 states and 1037 transitions. [2018-10-27 00:50:00,892 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1037 transitions. [2018-10-27 00:50:00,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-27 00:50:00,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:00,929 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:01,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:01,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 801 states and 1041 transitions. [2018-10-27 00:50:01,465 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1041 transitions. [2018-10-27 00:50:01,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-27 00:50:01,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:02,043 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:50:03,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:03,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 815 states and 1072 transitions. [2018-10-27 00:50:03,040 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1072 transitions. [2018-10-27 00:50:03,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-27 00:50:03,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:03,141 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:50:03,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:03,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 820 states and 1083 transitions. [2018-10-27 00:50:03,625 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1083 transitions. [2018-10-27 00:50:03,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-27 00:50:03,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:03,718 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:50:04,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:04,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 825 states and 1090 transitions. [2018-10-27 00:50:04,157 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1090 transitions. [2018-10-27 00:50:04,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-27 00:50:04,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:04,188 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:50:07,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:07,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 866 states and 1144 transitions. [2018-10-27 00:50:07,260 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1144 transitions. [2018-10-27 00:50:07,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-27 00:50:07,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:07,300 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:50:08,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:08,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 876 states and 1152 transitions. [2018-10-27 00:50:08,193 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1152 transitions. [2018-10-27 00:50:08,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-27 00:50:08,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:08,237 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:50:08,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:08,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 886 states and 1162 transitions. [2018-10-27 00:50:08,651 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1162 transitions. [2018-10-27 00:50:08,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-27 00:50:08,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:09,180 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-27 00:50:10,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:10,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 896 states and 1187 transitions. [2018-10-27 00:50:10,728 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1187 transitions. [2018-10-27 00:50:10,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-27 00:50:10,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:10,767 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-27 00:50:11,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:11,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 899 states and 1190 transitions. [2018-10-27 00:50:11,008 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1190 transitions. [2018-10-27 00:50:11,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-27 00:50:11,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:11,034 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-27 00:50:11,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:11,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 914 states and 1209 transitions. [2018-10-27 00:50:11,698 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1209 transitions. [2018-10-27 00:50:11,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-27 00:50:11,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:11,766 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:11,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:11,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 931 states and 1226 transitions. [2018-10-27 00:50:11,846 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1226 transitions. [2018-10-27 00:50:11,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-27 00:50:11,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:12,627 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:14,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:14,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 962 states and 1261 transitions. [2018-10-27 00:50:14,102 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1261 transitions. [2018-10-27 00:50:14,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-27 00:50:14,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:14,578 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:16,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:16,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 987 states and 1288 transitions. [2018-10-27 00:50:16,168 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1288 transitions. [2018-10-27 00:50:16,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-27 00:50:16,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:16,291 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-27 00:50:16,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:16,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 988 states and 1288 transitions. [2018-10-27 00:50:16,407 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1288 transitions. [2018-10-27 00:50:16,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-27 00:50:16,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:17,518 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:20,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:20,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1027 states and 1339 transitions. [2018-10-27 00:50:20,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1339 transitions. [2018-10-27 00:50:20,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-27 00:50:20,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:20,455 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:21,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:21,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1058 states and 1369 transitions. [2018-10-27 00:50:21,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1369 transitions. [2018-10-27 00:50:21,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-27 00:50:21,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:21,351 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:50:21,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:21,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1075 states and 1387 transitions. [2018-10-27 00:50:21,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1387 transitions. [2018-10-27 00:50:21,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-27 00:50:21,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:21,543 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:22,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:22,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1116 states and 1430 transitions. [2018-10-27 00:50:22,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1430 transitions. [2018-10-27 00:50:22,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-27 00:50:22,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:23,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:23,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1127 states and 1442 transitions. [2018-10-27 00:50:23,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1442 transitions. [2018-10-27 00:50:23,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-27 00:50:23,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:23,111 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-27 00:50:23,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:23,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1134 states and 1452 transitions. [2018-10-27 00:50:23,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1452 transitions. [2018-10-27 00:50:23,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-27 00:50:23,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:23,941 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-27 00:50:24,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:24,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1139 states and 1459 transitions. [2018-10-27 00:50:24,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1459 transitions. [2018-10-27 00:50:24,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-27 00:50:24,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:25,266 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 94 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:26,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:26,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1159 states and 1482 transitions. [2018-10-27 00:50:26,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1482 transitions. [2018-10-27 00:50:26,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-27 00:50:26,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:27,835 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 131 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-27 00:50:29,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:29,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1184 states and 1509 transitions. [2018-10-27 00:50:29,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1509 transitions. [2018-10-27 00:50:29,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-27 00:50:29,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:29,278 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 103 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-27 00:50:33,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:33,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1251 states and 1589 transitions. [2018-10-27 00:50:33,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1589 transitions. [2018-10-27 00:50:33,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-27 00:50:33,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:33,198 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 103 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-27 00:50:34,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:34,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1257 states and 1595 transitions. [2018-10-27 00:50:34,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1595 transitions. [2018-10-27 00:50:34,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-27 00:50:34,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:34,141 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 103 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-27 00:50:34,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:34,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1262 states and 1600 transitions. [2018-10-27 00:50:34,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1600 transitions. [2018-10-27 00:50:34,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-27 00:50:34,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:34,706 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:50:35,403 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-10-27 00:50:37,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:37,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1280 states and 1629 transitions. [2018-10-27 00:50:37,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1629 transitions. [2018-10-27 00:50:37,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-27 00:50:37,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:37,811 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:50:38,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:38,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1282 states and 1631 transitions. [2018-10-27 00:50:38,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1631 transitions. [2018-10-27 00:50:38,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-27 00:50:38,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:38,599 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:50:38,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:38,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1283 states and 1631 transitions. [2018-10-27 00:50:38,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1631 transitions. [2018-10-27 00:50:38,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-27 00:50:38,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:38,990 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:50:39,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:39,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1299 states and 1647 transitions. [2018-10-27 00:50:39,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1647 transitions. [2018-10-27 00:50:39,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-27 00:50:39,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:39,802 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:50:40,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:40,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1300 states and 1647 transitions. [2018-10-27 00:50:40,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1647 transitions. [2018-10-27 00:50:40,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-27 00:50:40,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:40,407 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:50:41,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:41,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1308 states and 1658 transitions. [2018-10-27 00:50:41,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1658 transitions. [2018-10-27 00:50:41,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-27 00:50:41,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:41,725 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:50:42,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:42,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1313 states and 1663 transitions. [2018-10-27 00:50:42,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1663 transitions. [2018-10-27 00:50:42,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-27 00:50:42,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:42,420 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-10-27 00:50:42,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:42,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1338 states and 1690 transitions. [2018-10-27 00:50:42,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1690 transitions. [2018-10-27 00:50:42,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-10-27 00:50:42,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:42,835 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 00:50:43,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:43,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1339 states and 1691 transitions. [2018-10-27 00:50:43,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1691 transitions. [2018-10-27 00:50:43,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-10-27 00:50:43,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:43,110 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-27 00:50:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:43,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1346 states and 1698 transitions. [2018-10-27 00:50:43,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1698 transitions. [2018-10-27 00:50:43,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-10-27 00:50:43,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:43,376 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:50:45,730 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 16 [2018-10-27 00:50:45,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:45,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 1364 states and 1728 transitions. [2018-10-27 00:50:45,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1728 transitions. [2018-10-27 00:50:45,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-10-27 00:50:45,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:46,000 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:50:46,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:46,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1369 states and 1733 transitions. [2018-10-27 00:50:46,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1733 transitions. [2018-10-27 00:50:46,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-10-27 00:50:46,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:46,519 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:50:46,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:46,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1370 states and 1735 transitions. [2018-10-27 00:50:46,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 1735 transitions. [2018-10-27 00:50:46,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-27 00:50:46,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:47,032 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 00:50:48,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:48,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1380 states and 1747 transitions. [2018-10-27 00:50:48,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1747 transitions. [2018-10-27 00:50:48,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-27 00:50:48,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:48,445 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 00:50:48,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:48,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1385 states and 1752 transitions. [2018-10-27 00:50:48,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1752 transitions. [2018-10-27 00:50:48,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-27 00:50:48,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:50,053 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:52,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:52,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1408 states and 1778 transitions. [2018-10-27 00:50:52,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1778 transitions. [2018-10-27 00:50:52,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-27 00:50:52,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:52,878 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:54,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:54,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1419 states and 1791 transitions. [2018-10-27 00:50:54,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1791 transitions. [2018-10-27 00:50:54,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-27 00:50:54,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:54,122 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:54,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:54,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1420 states and 1791 transitions. [2018-10-27 00:50:54,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1791 transitions. [2018-10-27 00:50:54,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-27 00:50:54,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:54,664 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 160 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:50:55,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:50:55,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1448 states and 1822 transitions. [2018-10-27 00:50:55,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 1822 transitions. [2018-10-27 00:50:55,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-27 00:50:55,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:50:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:50:56,123 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 118 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:51:00,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:00,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 1520 states and 1904 transitions. [2018-10-27 00:51:00,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 1904 transitions. [2018-10-27 00:51:00,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-27 00:51:00,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:00,507 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 118 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:51:01,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:01,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1526 states and 1911 transitions. [2018-10-27 00:51:01,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1911 transitions. [2018-10-27 00:51:01,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-27 00:51:01,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:02,069 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 118 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:51:02,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:02,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1535 states and 1920 transitions. [2018-10-27 00:51:02,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1920 transitions. [2018-10-27 00:51:02,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-27 00:51:02,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:02,841 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 118 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:51:03,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:03,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1540 states and 1924 transitions. [2018-10-27 00:51:03,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1924 transitions. [2018-10-27 00:51:03,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-27 00:51:03,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:03,680 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 118 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:51:04,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:04,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 1545 states and 1931 transitions. [2018-10-27 00:51:04,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1931 transitions. [2018-10-27 00:51:04,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-27 00:51:04,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:04,846 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 6 proven. 114 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-27 00:51:07,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:07,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 1668 states and 2065 transitions. [2018-10-27 00:51:07,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 2065 transitions. [2018-10-27 00:51:07,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-27 00:51:07,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:07,447 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-27 00:51:09,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:09,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 1683 states and 2078 transitions. [2018-10-27 00:51:09,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2078 transitions. [2018-10-27 00:51:09,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-27 00:51:09,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:09,435 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-27 00:51:10,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:10,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 1688 states and 2086 transitions. [2018-10-27 00:51:10,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 2086 transitions. [2018-10-27 00:51:10,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-27 00:51:10,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:10,899 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-27 00:51:12,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:12,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 1693 states and 2090 transitions. [2018-10-27 00:51:12,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2090 transitions. [2018-10-27 00:51:12,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-27 00:51:12,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:12,339 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-27 00:51:13,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:13,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2094 states to 1698 states and 2094 transitions. [2018-10-27 00:51:13,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2094 transitions. [2018-10-27 00:51:13,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-27 00:51:13,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:14,123 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:51:16,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:16,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 1738 states and 2137 transitions. [2018-10-27 00:51:16,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2137 transitions. [2018-10-27 00:51:16,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-27 00:51:16,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:18,517 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-27 00:51:22,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:22,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 1786 states and 2185 transitions. [2018-10-27 00:51:22,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2185 transitions. [2018-10-27 00:51:22,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-27 00:51:22,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:22,496 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 123 proven. 5 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-27 00:51:22,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:22,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 1788 states and 2186 transitions. [2018-10-27 00:51:22,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 2186 transitions. [2018-10-27 00:51:22,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-27 00:51:22,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:22,655 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 123 proven. 5 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-27 00:51:23,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:23,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 1790 states and 2187 transitions. [2018-10-27 00:51:23,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1790 states and 2187 transitions. [2018-10-27 00:51:23,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-27 00:51:23,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:25,544 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 00:51:29,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:29,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 1855 states and 2255 transitions. [2018-10-27 00:51:29,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2255 transitions. [2018-10-27 00:51:29,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-27 00:51:29,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:31,085 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 280 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:51:33,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:33,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 1886 states and 2292 transitions. [2018-10-27 00:51:33,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2292 transitions. [2018-10-27 00:51:33,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-27 00:51:33,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:34,034 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 144 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:51:43,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:43,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 1955 states and 2382 transitions. [2018-10-27 00:51:43,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2382 transitions. [2018-10-27 00:51:43,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-27 00:51:43,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:43,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:43,819 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 118 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-27 00:51:44,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:44,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 1978 states and 2405 transitions. [2018-10-27 00:51:44,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2405 transitions. [2018-10-27 00:51:44,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-10-27 00:51:44,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:45,863 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 204 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:51:51,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:51,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2044 states and 2487 transitions. [2018-10-27 00:51:51,940 INFO L276 IsEmpty]: Start isEmpty. Operand 2044 states and 2487 transitions. [2018-10-27 00:51:51,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-10-27 00:51:51,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:52,041 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 137 proven. 4 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-27 00:51:52,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:52,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 2049 states and 2491 transitions. [2018-10-27 00:51:52,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 2491 transitions. [2018-10-27 00:51:52,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-10-27 00:51:52,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:52,469 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 137 proven. 4 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-27 00:51:52,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:52,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2056 states and 2499 transitions. [2018-10-27 00:51:52,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 2499 transitions. [2018-10-27 00:51:52,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-10-27 00:51:52,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:52,645 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 137 proven. 4 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-27 00:51:53,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:53,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2057 states and 2499 transitions. [2018-10-27 00:51:53,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2057 states and 2499 transitions. [2018-10-27 00:51:53,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-27 00:51:53,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:53,422 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-27 00:51:54,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:51:54,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2128 states and 2573 transitions. [2018-10-27 00:51:54,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 2573 transitions. [2018-10-27 00:51:54,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-27 00:51:54,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:51:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:51:56,541 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-27 00:52:01,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:01,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 2181 states and 2628 transitions. [2018-10-27 00:52:01,973 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2628 transitions. [2018-10-27 00:52:01,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-27 00:52:01,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-27 00:52:02,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:02,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 2182 states and 2628 transitions. [2018-10-27 00:52:02,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2628 transitions. [2018-10-27 00:52:02,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-27 00:52:02,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:02,414 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-10-27 00:52:03,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:03,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2190 states and 2636 transitions. [2018-10-27 00:52:03,020 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 2636 transitions. [2018-10-27 00:52:03,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-27 00:52:03,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:03,074 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-10-27 00:52:03,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:03,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2640 states to 2195 states and 2640 transitions. [2018-10-27 00:52:03,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2640 transitions. [2018-10-27 00:52:03,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-10-27 00:52:03,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:05,104 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 347 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 00:52:05,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:05,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2177 states and 2621 transitions. [2018-10-27 00:52:05,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 2621 transitions. [2018-10-27 00:52:05,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-10-27 00:52:05,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:05,840 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-10-27 00:52:06,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:06,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 2183 states and 2630 transitions. [2018-10-27 00:52:06,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2183 states and 2630 transitions. [2018-10-27 00:52:06,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-10-27 00:52:06,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:07,039 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2018-10-27 00:52:08,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:08,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 2254 states and 2705 transitions. [2018-10-27 00:52:08,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 2705 transitions. [2018-10-27 00:52:08,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-10-27 00:52:08,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:09,047 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 177 proven. 10 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-27 00:52:11,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:11,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2277 states and 2728 transitions. [2018-10-27 00:52:11,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 2728 transitions. [2018-10-27 00:52:11,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-10-27 00:52:11,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:11,401 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 320 proven. 14 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-10-27 00:52:15,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:15,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2326 states and 2778 transitions. [2018-10-27 00:52:15,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2326 states and 2778 transitions. [2018-10-27 00:52:15,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-10-27 00:52:15,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:15,828 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 320 proven. 14 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-10-27 00:52:16,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:16,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2327 states and 2778 transitions. [2018-10-27 00:52:16,647 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 2778 transitions. [2018-10-27 00:52:16,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-10-27 00:52:16,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:18,710 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-27 00:52:23,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:23,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2810 states to 2358 states and 2810 transitions. [2018-10-27 00:52:23,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2358 states and 2810 transitions. [2018-10-27 00:52:23,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-10-27 00:52:23,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:24,073 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-27 00:52:26,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:26,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 2375 states and 2827 transitions. [2018-10-27 00:52:26,584 INFO L276 IsEmpty]: Start isEmpty. Operand 2375 states and 2827 transitions. [2018-10-27 00:52:26,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-10-27 00:52:26,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:27,389 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-27 00:52:30,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:30,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2844 states to 2392 states and 2844 transitions. [2018-10-27 00:52:30,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 2844 transitions. [2018-10-27 00:52:30,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-10-27 00:52:30,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:30,959 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-27 00:52:31,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:31,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2395 states and 2847 transitions. [2018-10-27 00:52:31,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2395 states and 2847 transitions. [2018-10-27 00:52:31,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-10-27 00:52:31,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:32,063 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 350 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-27 00:52:32,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:32,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 2397 states and 2849 transitions. [2018-10-27 00:52:32,586 INFO L276 IsEmpty]: Start isEmpty. Operand 2397 states and 2849 transitions. [2018-10-27 00:52:32,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-10-27 00:52:32,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 292 proven. 70 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-10-27 00:52:34,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:34,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2468 states and 2923 transitions. [2018-10-27 00:52:34,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2468 states and 2923 transitions. [2018-10-27 00:52:34,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-10-27 00:52:34,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:35,113 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-10-27 00:52:35,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:35,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2469 states and 2923 transitions. [2018-10-27 00:52:35,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2469 states and 2923 transitions. [2018-10-27 00:52:35,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-10-27 00:52:35,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:52:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:52:35,370 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 392 proven. 5 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2018-10-27 00:52:35,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:52:35,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 2401 states and 2854 transitions. [2018-10-27 00:52:35,740 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 2854 transitions. [2018-10-27 00:52:35,741 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:52:35,741 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 147 iterations. [2018-10-27 00:52:35,748 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-27 00:52:35,909 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 40 [2018-10-27 00:52:36,055 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 41 [2018-10-27 00:52:36,239 WARN L179 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 42 [2018-10-27 00:52:36,365 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 41 [2018-10-27 00:52:36,527 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 42 [2018-10-27 00:52:36,743 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 42 [2018-10-27 00:52:36,894 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 17 [2018-10-27 00:52:37,221 WARN L179 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 48 [2018-10-27 00:52:37,396 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 42 [2018-10-27 00:52:37,611 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 17 [2018-10-27 00:52:37,756 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 41 [2018-10-27 00:52:37,944 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 43 [2018-10-27 00:52:38,284 WARN L179 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 48 [2018-10-27 00:52:38,522 WARN L179 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 43 [2018-10-27 00:52:38,778 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 41 [2018-10-27 00:52:39,037 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 42 [2018-10-27 00:52:39,155 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 39 [2018-10-27 00:52:39,322 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 42 [2018-10-27 00:52:39,536 WARN L179 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 54 [2018-10-27 00:52:39,764 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 41 [2018-10-27 00:52:39,886 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2018-10-27 00:52:40,009 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2018-10-27 00:52:40,223 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 41 [2018-10-27 00:52:40,381 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 39 [2018-10-27 00:52:40,521 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 17 [2018-10-27 00:52:40,644 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2018-10-27 00:52:40,930 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 41 [2018-10-27 00:52:41,171 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 43 [2018-10-27 00:52:41,493 WARN L179 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 41 [2018-10-27 00:52:41,865 WARN L179 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 53 [2018-10-27 00:52:42,028 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 41 [2018-10-27 00:52:42,342 WARN L179 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 17 [2018-10-27 00:52:42,526 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 17 [2018-10-27 00:52:42,671 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 41 [2018-10-27 00:52:42,854 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 41 [2018-10-27 00:52:43,080 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 41 [2018-10-27 00:52:43,285 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 40 [2018-10-27 00:52:43,463 WARN L179 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 42 [2018-10-27 00:52:43,781 WARN L179 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 67 [2018-10-27 00:52:44,010 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 41 [2018-10-27 00:52:44,136 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 41 [2018-10-27 00:52:44,306 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 42 [2018-10-27 00:52:44,529 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 42 [2018-10-27 00:52:44,697 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 42 [2018-10-27 00:52:44,838 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 41 [2018-10-27 00:52:45,113 WARN L179 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 48 [2018-10-27 00:52:45,113 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:52:45,116 INFO L582 CodeCheckObserver]: Invariant with dag size 17 [2018-10-27 00:52:45,122 INFO L582 CodeCheckObserver]: Invariant with dag size 17 [2018-10-27 00:52:45,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 12:52:45 ImpRootNode [2018-10-27 00:52:45,123 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 00:52:45,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:52:45,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:52:45,124 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:52:45,124 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:49:11" (3/4) ... [2018-10-27 00:52:45,130 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:52:45,149 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-10-27 00:52:45,150 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-10-27 00:52:45,151 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-10-27 00:52:45,152 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-27 00:52:45,263 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8907bcaa-7ec0-43bd-9cb9-4576e6304b26/bin-2019/ukojak/witness.graphml [2018-10-27 00:52:45,263 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:52:45,265 INFO L168 Benchmark]: Toolchain (without parser) took 218993.08 ms. Allocated memory was 1.0 GB in the beginning and 4.2 GB in the end (delta: 3.2 GB). Free memory was 953.1 MB in the beginning and 2.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-10-27 00:52:45,265 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:52:45,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.53 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 923.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:52:45,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.32 ms. Allocated memory is still 1.0 GB. Free memory was 923.6 MB in the beginning and 915.5 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:52:45,266 INFO L168 Benchmark]: Boogie Preprocessor took 175.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 915.5 MB in the beginning and 1.1 GB in the end (delta: -228.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:52:45,266 INFO L168 Benchmark]: RCFGBuilder took 4780.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 912.0 MB in the end (delta: 231.5 MB). Peak memory consumption was 231.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:52:45,266 INFO L168 Benchmark]: CodeCheck took 213286.11 ms. Allocated memory was 1.2 GB in the beginning and 4.2 GB in the end (delta: 3.0 GB). Free memory was 912.0 MB in the beginning and 2.8 GB in the end (delta: -1.9 GB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. [2018-10-27 00:52:45,267 INFO L168 Benchmark]: Witness Printer took 139.64 ms. Allocated memory is still 4.2 GB. Free memory was 2.8 GB in the beginning and 2.7 GB in the end (delta: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. [2018-10-27 00:52:45,268 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, 203.8s OverallTime, 147 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 655912980 SDtfs, -614382922 SDslu, 817589920 SDs, 0 SdLazy, -1739577286 SolverSat, -632836352 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 824.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155718 GetRequests, 150279 SyntacticMatches, 3875 SemanticMatches, 1564 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1827303 ImplicationChecksByTransitivity, 178.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 34.1s InterpolantComputationTime, 22470 NumberOfCodeBlocks, 22470 NumberOfCodeBlocksAsserted, 146 NumberOfCheckSat, 22324 ConstructedInterpolants, 0 QuantifiedInterpolants, 21862690 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 146 InterpolantComputations, 104 PerfectInterpolantSequences, 17722/18541 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: 494]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(a16 == 5) || a17 == 1) || !(a8 == 14)) || !(a20 == 1)) || a7 == 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((!(a16 == 5) || a17 == 1) || !(a8 == 14)) || !(a20 == 1)) || a7 == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 519.53 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 923.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.32 ms. Allocated memory is still 1.0 GB. Free memory was 923.6 MB in the beginning and 915.5 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 175.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 915.5 MB in the beginning and 1.1 GB in the end (delta: -228.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4780.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 912.0 MB in the end (delta: 231.5 MB). Peak memory consumption was 231.5 MB. Max. memory is 11.5 GB. * CodeCheck took 213286.11 ms. Allocated memory was 1.2 GB in the beginning and 4.2 GB in the end (delta: 3.0 GB). Free memory was 912.0 MB in the beginning and 2.8 GB in the end (delta: -1.9 GB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. * Witness Printer took 139.64 ms. Allocated memory is still 4.2 GB. Free memory was 2.8 GB in the beginning and 2.7 GB in the end (delta: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...