./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label58_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_520d930a-bbe4-4626-b66a-a2d2f54584b2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_520d930a-bbe4-4626-b66a-a2d2f54584b2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_520d930a-bbe4-4626-b66a-a2d2f54584b2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_520d930a-bbe4-4626-b66a-a2d2f54584b2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label58_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_520d930a-bbe4-4626-b66a-a2d2f54584b2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_520d930a-bbe4-4626-b66a-a2d2f54584b2/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 1913ae3f80b8ac66a65ed26ad92a6851274156ea ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:32:19,363 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:32:19,364 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:32:19,370 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:32:19,370 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:32:19,370 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:32:19,371 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:32:19,372 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:32:19,373 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:32:19,373 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:32:19,374 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:32:19,374 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:32:19,374 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:32:19,375 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:32:19,375 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:32:19,376 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:32:19,376 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:32:19,377 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:32:19,378 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:32:19,379 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:32:19,379 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:32:19,380 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:32:19,381 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:32:19,381 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:32:19,381 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:32:19,382 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:32:19,382 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:32:19,383 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:32:19,383 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:32:19,384 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:32:19,384 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:32:19,384 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:32:19,384 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:32:19,384 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:32:19,385 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:32:19,385 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:32:19,385 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_520d930a-bbe4-4626-b66a-a2d2f54584b2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 00:32:19,392 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:32:19,393 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:32:19,393 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:32:19,393 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 00:32:19,394 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:32:19,394 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:32:19,394 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:32:19,394 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:32:19,394 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:32:19,394 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:32:19,394 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:32:19,394 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:32:19,395 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:32:19,395 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:32:19,395 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:32:19,395 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:32:19,395 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:32:19,395 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:32:19,395 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 00:32:19,396 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 00:32:19,396 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:32:19,396 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:32:19,396 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 00:32:19,396 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:32:19,396 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:32:19,396 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:32:19,396 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 00:32:19,397 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:32:19,397 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:32:19,397 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_520d930a-bbe4-4626-b66a-a2d2f54584b2/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 -> 1913ae3f80b8ac66a65ed26ad92a6851274156ea [2018-12-09 00:32:19,414 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:32:19,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:32:19,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:32:19,425 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:32:19,425 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:32:19,425 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_520d930a-bbe4-4626-b66a-a2d2f54584b2/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label58_true-unreach-call_false-termination.c [2018-12-09 00:32:19,460 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_520d930a-bbe4-4626-b66a-a2d2f54584b2/bin-2019/ukojak/data/9d59a5082/3953581e74a548c7aa93619af3b59ee3/FLAG27c4e53cf [2018-12-09 00:32:19,924 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:32:19,924 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_520d930a-bbe4-4626-b66a-a2d2f54584b2/sv-benchmarks/c/eca-rers2012/Problem02_label58_true-unreach-call_false-termination.c [2018-12-09 00:32:19,931 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_520d930a-bbe4-4626-b66a-a2d2f54584b2/bin-2019/ukojak/data/9d59a5082/3953581e74a548c7aa93619af3b59ee3/FLAG27c4e53cf [2018-12-09 00:32:19,939 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_520d930a-bbe4-4626-b66a-a2d2f54584b2/bin-2019/ukojak/data/9d59a5082/3953581e74a548c7aa93619af3b59ee3 [2018-12-09 00:32:19,941 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:32:19,942 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:32:19,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:32:19,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:32:19,945 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:32:19,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:32:19" (1/1) ... [2018-12-09 00:32:19,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1782ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:19, skipping insertion in model container [2018-12-09 00:32:19,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:32:19" (1/1) ... [2018-12-09 00:32:19,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:32:19,973 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:32:20,141 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:32:20,144 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:32:20,226 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:32:20,235 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:32:20,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:20 WrapperNode [2018-12-09 00:32:20,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:32:20,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:32:20,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:32:20,237 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:32:20,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:20" (1/1) ... [2018-12-09 00:32:20,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:20" (1/1) ... [2018-12-09 00:32:20,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:32:20,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:32:20,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:32:20,276 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:32:20,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:20" (1/1) ... [2018-12-09 00:32:20,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:20" (1/1) ... [2018-12-09 00:32:20,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:20" (1/1) ... [2018-12-09 00:32:20,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:20" (1/1) ... [2018-12-09 00:32:20,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:20" (1/1) ... [2018-12-09 00:32:20,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:20" (1/1) ... [2018-12-09 00:32:20,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:20" (1/1) ... [2018-12-09 00:32:20,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:32:20,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:32:20,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:32:20,306 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:32:20,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_520d930a-bbe4-4626-b66a-a2d2f54584b2/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 [2018-12-09 00:32:20,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:32:20,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:32:21,352 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:32:21,352 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 00:32:21,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:32:21 BoogieIcfgContainer [2018-12-09 00:32:21,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:32:21,353 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 00:32:21,353 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 00:32:21,360 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 00:32:21,360 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:32:21" (1/1) ... [2018-12-09 00:32:21,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:32:21,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:21,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-09 00:32:21,393 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-09 00:32:21,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 00:32:21,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:21,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:21,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:21,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 163 states and 240 transitions. [2018-12-09 00:32:21,889 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 240 transitions. [2018-12-09 00:32:21,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 00:32:21,891 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:21,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:32:22,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:22,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 164 states and 243 transitions. [2018-12-09 00:32:22,045 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 243 transitions. [2018-12-09 00:32:22,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 00:32:22,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:22,085 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:22,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:22,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 181 states and 268 transitions. [2018-12-09 00:32:22,197 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 268 transitions. [2018-12-09 00:32:22,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 00:32:22,199 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:22,252 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:22,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:22,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 199 states and 292 transitions. [2018-12-09 00:32:22,420 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 292 transitions. [2018-12-09 00:32:22,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 00:32:22,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:22,512 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:22,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:22,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 217 states and 319 transitions. [2018-12-09 00:32:22,811 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 319 transitions. [2018-12-09 00:32:22,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 00:32:22,812 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:22,894 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:32:23,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:23,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 239 states and 354 transitions. [2018-12-09 00:32:23,435 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 354 transitions. [2018-12-09 00:32:23,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 00:32:23,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:23,475 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:32:23,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:23,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 256 states and 375 transitions. [2018-12-09 00:32:23,798 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 375 transitions. [2018-12-09 00:32:23,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 00:32:23,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:23,820 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:24,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:24,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 260 states and 380 transitions. [2018-12-09 00:32:24,012 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 380 transitions. [2018-12-09 00:32:24,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 00:32:24,013 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:24,027 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:24,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:24,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 264 states and 387 transitions. [2018-12-09 00:32:24,207 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 387 transitions. [2018-12-09 00:32:24,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 00:32:24,208 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:24,231 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:24,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:24,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 267 states and 391 transitions. [2018-12-09 00:32:24,362 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 391 transitions. [2018-12-09 00:32:24,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 00:32:24,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:24,418 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:24,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:24,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 290 states and 425 transitions. [2018-12-09 00:32:24,982 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 425 transitions. [2018-12-09 00:32:24,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 00:32:24,983 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:25,073 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:32:25,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:25,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 369 states and 507 transitions. [2018-12-09 00:32:25,441 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 507 transitions. [2018-12-09 00:32:25,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 00:32:25,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:25,455 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:25,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:25,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 387 states and 529 transitions. [2018-12-09 00:32:25,705 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 529 transitions. [2018-12-09 00:32:25,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 00:32:25,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:25,722 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:25,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:25,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 389 states and 530 transitions. [2018-12-09 00:32:25,820 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 530 transitions. [2018-12-09 00:32:25,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 00:32:25,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:25,887 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:27,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:27,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 411 states and 564 transitions. [2018-12-09 00:32:27,263 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 564 transitions. [2018-12-09 00:32:27,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 00:32:27,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:27,299 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:27,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:27,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 429 states and 586 transitions. [2018-12-09 00:32:27,958 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 586 transitions. [2018-12-09 00:32:27,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 00:32:27,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:28,009 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:28,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:28,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 432 states and 589 transitions. [2018-12-09 00:32:28,139 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 589 transitions. [2018-12-09 00:32:28,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 00:32:28,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:28,194 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:28,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:28,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 435 states and 592 transitions. [2018-12-09 00:32:28,321 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 592 transitions. [2018-12-09 00:32:28,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 00:32:28,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:28,356 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:28,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:28,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 438 states and 595 transitions. [2018-12-09 00:32:28,470 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 595 transitions. [2018-12-09 00:32:28,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 00:32:28,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:28,591 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:28,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:28,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 445 states and 603 transitions. [2018-12-09 00:32:28,862 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 603 transitions. [2018-12-09 00:32:28,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-09 00:32:28,863 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:28,880 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:29,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:29,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 459 states and 623 transitions. [2018-12-09 00:32:29,330 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 623 transitions. [2018-12-09 00:32:29,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 00:32:29,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:29,598 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:30,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:30,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 491 states and 668 transitions. [2018-12-09 00:32:30,841 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 668 transitions. [2018-12-09 00:32:30,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-09 00:32:30,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:30,949 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:31,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:31,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 497 states and 678 transitions. [2018-12-09 00:32:31,471 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 678 transitions. [2018-12-09 00:32:31,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-09 00:32:31,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:31,608 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:31,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:31,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 500 states and 682 transitions. [2018-12-09 00:32:31,906 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 682 transitions. [2018-12-09 00:32:31,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 00:32:31,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:31,923 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:32,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:32,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 504 states and 687 transitions. [2018-12-09 00:32:32,168 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 687 transitions. [2018-12-09 00:32:32,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 00:32:32,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:32,184 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:32,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:32,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 505 states and 687 transitions. [2018-12-09 00:32:32,266 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 687 transitions. [2018-12-09 00:32:32,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 00:32:32,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:32,289 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:32,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:32,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 516 states and 699 transitions. [2018-12-09 00:32:32,534 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 699 transitions. [2018-12-09 00:32:32,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 00:32:32,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:32,549 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:32,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:32,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 517 states and 699 transitions. [2018-12-09 00:32:32,650 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 699 transitions. [2018-12-09 00:32:32,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-09 00:32:32,651 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:32,884 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:34,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:34,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 541 states and 732 transitions. [2018-12-09 00:32:34,230 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 732 transitions. [2018-12-09 00:32:34,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-09 00:32:34,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:34,266 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:34,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:34,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 549 states and 749 transitions. [2018-12-09 00:32:34,953 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 749 transitions. [2018-12-09 00:32:34,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-09 00:32:34,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:34,975 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:35,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:35,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 560 states and 762 transitions. [2018-12-09 00:32:35,315 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 762 transitions. [2018-12-09 00:32:35,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-09 00:32:35,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:35,355 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:35,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:35,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 564 states and 767 transitions. [2018-12-09 00:32:35,705 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 767 transitions. [2018-12-09 00:32:35,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-09 00:32:35,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:35,727 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:35,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:35,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 565 states and 767 transitions. [2018-12-09 00:32:35,902 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 767 transitions. [2018-12-09 00:32:35,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-09 00:32:35,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:35,924 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:36,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:36,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 566 states and 768 transitions. [2018-12-09 00:32:36,086 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 768 transitions. [2018-12-09 00:32:36,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-09 00:32:36,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:36,114 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:36,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:36,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 568 states and 770 transitions. [2018-12-09 00:32:36,303 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 770 transitions. [2018-12-09 00:32:36,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 00:32:36,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:36,317 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:32:36,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:36,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 574 states and 780 transitions. [2018-12-09 00:32:36,738 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 780 transitions. [2018-12-09 00:32:36,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-09 00:32:36,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:36,765 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 00:32:37,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:37,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 583 states and 791 transitions. [2018-12-09 00:32:37,319 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 791 transitions. [2018-12-09 00:32:37,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 00:32:37,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:37,333 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:32:37,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:37,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 586 states and 793 transitions. [2018-12-09 00:32:37,438 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 793 transitions. [2018-12-09 00:32:37,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 00:32:37,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:37,451 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:32:37,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:37,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 589 states and 796 transitions. [2018-12-09 00:32:37,622 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 796 transitions. [2018-12-09 00:32:37,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 00:32:37,623 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:37,646 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:38,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:38,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 601 states and 810 transitions. [2018-12-09 00:32:38,024 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 810 transitions. [2018-12-09 00:32:38,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 00:32:38,024 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:38,055 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:38,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:38,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 604 states and 814 transitions. [2018-12-09 00:32:38,226 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 814 transitions. [2018-12-09 00:32:38,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 00:32:38,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:38,253 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:38,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:38,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 619 states and 832 transitions. [2018-12-09 00:32:38,615 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 832 transitions. [2018-12-09 00:32:38,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-09 00:32:38,616 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:38,651 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 00:32:38,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:38,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 625 states and 838 transitions. [2018-12-09 00:32:38,883 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 838 transitions. [2018-12-09 00:32:38,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 00:32:38,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:38,933 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:32:39,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:39,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 649 states and 868 transitions. [2018-12-09 00:32:39,857 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 868 transitions. [2018-12-09 00:32:39,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 00:32:39,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:39,874 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:32:40,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:40,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 653 states and 876 transitions. [2018-12-09 00:32:40,396 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 876 transitions. [2018-12-09 00:32:40,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-09 00:32:40,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:40,411 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 00:32:40,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:40,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 659 states and 883 transitions. [2018-12-09 00:32:40,784 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 883 transitions. [2018-12-09 00:32:40,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 00:32:40,784 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:40,808 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:32:41,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:41,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 666 states and 893 transitions. [2018-12-09 00:32:41,447 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 893 transitions. [2018-12-09 00:32:41,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 00:32:41,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:41,473 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:41,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:41,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 702 states and 933 transitions. [2018-12-09 00:32:41,950 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 933 transitions. [2018-12-09 00:32:41,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 00:32:41,950 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:41,985 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 00:32:42,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:42,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 729 states and 966 transitions. [2018-12-09 00:32:42,916 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 966 transitions. [2018-12-09 00:32:42,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 00:32:42,917 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:42,950 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 00:32:43,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:43,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 732 states and 969 transitions. [2018-12-09 00:32:43,122 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 969 transitions. [2018-12-09 00:32:43,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 00:32:43,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:43,232 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:43,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:43,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 737 states and 975 transitions. [2018-12-09 00:32:43,518 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 975 transitions. [2018-12-09 00:32:43,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-09 00:32:43,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:43,603 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:32:43,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:43,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 738 states and 975 transitions. [2018-12-09 00:32:43,654 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 975 transitions. [2018-12-09 00:32:43,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 00:32:43,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:43,691 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:32:43,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:43,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 742 states and 980 transitions. [2018-12-09 00:32:43,824 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 980 transitions. [2018-12-09 00:32:43,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 00:32:43,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:43,873 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 73 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:32:44,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:44,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 764 states and 1008 transitions. [2018-12-09 00:32:44,762 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1008 transitions. [2018-12-09 00:32:44,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 00:32:44,762 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:44,784 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:45,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:45,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 776 states and 1023 transitions. [2018-12-09 00:32:45,346 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1023 transitions. [2018-12-09 00:32:45,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-09 00:32:45,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:45,375 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:45,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:45,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 782 states and 1029 transitions. [2018-12-09 00:32:45,403 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1029 transitions. [2018-12-09 00:32:45,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-09 00:32:45,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:45,436 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:46,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:46,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 795 states and 1048 transitions. [2018-12-09 00:32:46,172 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1048 transitions. [2018-12-09 00:32:46,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-09 00:32:46,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:46,193 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:46,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:46,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 806 states and 1062 transitions. [2018-12-09 00:32:46,460 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1062 transitions. [2018-12-09 00:32:46,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-09 00:32:46,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:46,480 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:46,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:46,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 812 states and 1067 transitions. [2018-12-09 00:32:46,683 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1067 transitions. [2018-12-09 00:32:46,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-09 00:32:46,683 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:46,703 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:46,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:46,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 816 states and 1071 transitions. [2018-12-09 00:32:46,808 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1071 transitions. [2018-12-09 00:32:46,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-09 00:32:46,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:46,837 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:46,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:46,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 817 states and 1073 transitions. [2018-12-09 00:32:46,963 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1073 transitions. [2018-12-09 00:32:46,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-09 00:32:46,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:46,983 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:47,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:47,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 818 states and 1075 transitions. [2018-12-09 00:32:47,087 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1075 transitions. [2018-12-09 00:32:47,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-09 00:32:47,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:47,108 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:47,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:47,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 823 states and 1079 transitions. [2018-12-09 00:32:47,410 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1079 transitions. [2018-12-09 00:32:47,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 00:32:47,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:47,441 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:47,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:47,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 859 states and 1118 transitions. [2018-12-09 00:32:47,805 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1118 transitions. [2018-12-09 00:32:47,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 00:32:47,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:48,171 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 104 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:52,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:52,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 884 states and 1152 transitions. [2018-12-09 00:32:52,279 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1152 transitions. [2018-12-09 00:32:52,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 00:32:52,279 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:52,339 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 00:32:53,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:53,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 898 states and 1167 transitions. [2018-12-09 00:32:53,086 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1167 transitions. [2018-12-09 00:32:53,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 00:32:53,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:53,148 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 00:32:53,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:53,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 900 states and 1169 transitions. [2018-12-09 00:32:53,374 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1169 transitions. [2018-12-09 00:32:53,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 00:32:53,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:53,444 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:57,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:57,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 945 states and 1217 transitions. [2018-12-09 00:32:57,083 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1217 transitions. [2018-12-09 00:32:57,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 00:32:57,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:57,103 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 00:32:57,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:57,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 946 states and 1219 transitions. [2018-12-09 00:32:57,241 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1219 transitions. [2018-12-09 00:32:57,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 00:32:57,241 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:57,258 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 00:32:57,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:57,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 949 states and 1222 transitions. [2018-12-09 00:32:57,382 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1222 transitions. [2018-12-09 00:32:57,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 00:32:57,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:57,410 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-09 00:32:57,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:57,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 950 states and 1222 transitions. [2018-12-09 00:32:57,435 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1222 transitions. [2018-12-09 00:32:57,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 00:32:57,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:57,457 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:57,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:57,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 991 states and 1268 transitions. [2018-12-09 00:32:57,976 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1268 transitions. [2018-12-09 00:32:57,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 00:32:57,977 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:57,997 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:32:58,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:58,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 992 states and 1268 transitions. [2018-12-09 00:32:58,110 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1268 transitions. [2018-12-09 00:32:58,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 00:32:58,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:58,166 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 00:32:58,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:58,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1011 states and 1287 transitions. [2018-12-09 00:32:58,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1287 transitions. [2018-12-09 00:32:58,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-09 00:32:58,468 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:58,497 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 00:32:59,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:59,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1105 states and 1382 transitions. [2018-12-09 00:32:59,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1382 transitions. [2018-12-09 00:32:59,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-09 00:32:59,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:59,281 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:32:59,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:59,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1107 states and 1385 transitions. [2018-12-09 00:32:59,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1385 transitions. [2018-12-09 00:32:59,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-09 00:32:59,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:59,522 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:32:59,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:32:59,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1108 states and 1385 transitions. [2018-12-09 00:32:59,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1385 transitions. [2018-12-09 00:32:59,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-09 00:32:59,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:32:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:59,606 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 114 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 00:33:00,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:00,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1126 states and 1407 transitions. [2018-12-09 00:33:00,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1407 transitions. [2018-12-09 00:33:00,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-09 00:33:00,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:00,434 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 114 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 00:33:00,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:00,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1143 states and 1423 transitions. [2018-12-09 00:33:00,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1423 transitions. [2018-12-09 00:33:00,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-09 00:33:00,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:00,972 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 114 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 00:33:01,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:01,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1148 states and 1427 transitions. [2018-12-09 00:33:01,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1427 transitions. [2018-12-09 00:33:01,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-09 00:33:01,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:01,597 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 114 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 00:33:02,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:02,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1159 states and 1439 transitions. [2018-12-09 00:33:02,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1439 transitions. [2018-12-09 00:33:02,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-09 00:33:02,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:02,352 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 114 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 00:33:02,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:02,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1163 states and 1442 transitions. [2018-12-09 00:33:02,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1442 transitions. [2018-12-09 00:33:02,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-09 00:33:02,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:02,809 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 114 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 00:33:03,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:03,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1166 states and 1444 transitions. [2018-12-09 00:33:03,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1444 transitions. [2018-12-09 00:33:03,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-09 00:33:03,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:03,058 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:33:03,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:03,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1193 states and 1472 transitions. [2018-12-09 00:33:03,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1472 transitions. [2018-12-09 00:33:03,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-09 00:33:03,133 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:03,155 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:33:03,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:03,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1194 states and 1472 transitions. [2018-12-09 00:33:03,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1472 transitions. [2018-12-09 00:33:03,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 00:33:03,379 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:03,517 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 00:33:04,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:04,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1204 states and 1486 transitions. [2018-12-09 00:33:04,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1486 transitions. [2018-12-09 00:33:04,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 00:33:04,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:04,217 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:33:04,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:04,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1214 states and 1498 transitions. [2018-12-09 00:33:04,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1498 transitions. [2018-12-09 00:33:04,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-09 00:33:04,898 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:04,920 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:33:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:04,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1217 states and 1501 transitions. [2018-12-09 00:33:04,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1501 transitions. [2018-12-09 00:33:04,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 00:33:04,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:04,966 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 00:33:05,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:05,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1223 states and 1508 transitions. [2018-12-09 00:33:05,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1508 transitions. [2018-12-09 00:33:05,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 00:33:05,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:05,333 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:33:06,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:06,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1254 states and 1542 transitions. [2018-12-09 00:33:06,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1542 transitions. [2018-12-09 00:33:06,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 00:33:06,192 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:06,214 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:33:06,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:06,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1257 states and 1544 transitions. [2018-12-09 00:33:06,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1544 transitions. [2018-12-09 00:33:06,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 00:33:06,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:06,483 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 00:33:06,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:06,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1262 states and 1551 transitions. [2018-12-09 00:33:06,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1551 transitions. [2018-12-09 00:33:06,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-09 00:33:06,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:07,102 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:33:08,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:08,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1289 states and 1577 transitions. [2018-12-09 00:33:08,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1577 transitions. [2018-12-09 00:33:08,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-09 00:33:08,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:08,128 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:33:10,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:10,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1332 states and 1627 transitions. [2018-12-09 00:33:10,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1627 transitions. [2018-12-09 00:33:10,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-09 00:33:10,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:10,718 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 127 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-09 00:33:10,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:10,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1337 states and 1632 transitions. [2018-12-09 00:33:10,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1632 transitions. [2018-12-09 00:33:10,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-09 00:33:10,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:10,788 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:33:10,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:10,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1338 states and 1632 transitions. [2018-12-09 00:33:10,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1632 transitions. [2018-12-09 00:33:10,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 00:33:10,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:10,968 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 131 proven. 10 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-12-09 00:33:11,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:11,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1358 states and 1657 transitions. [2018-12-09 00:33:11,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1657 transitions. [2018-12-09 00:33:11,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 00:33:11,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:11,849 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 131 proven. 10 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-12-09 00:33:12,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:12,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1366 states and 1664 transitions. [2018-12-09 00:33:12,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1664 transitions. [2018-12-09 00:33:12,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 00:33:12,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:12,350 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:33:13,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:13,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1395 states and 1700 transitions. [2018-12-09 00:33:13,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1700 transitions. [2018-12-09 00:33:13,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 00:33:13,813 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:13,855 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:33:13,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:13,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1396 states and 1703 transitions. [2018-12-09 00:33:13,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1703 transitions. [2018-12-09 00:33:13,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 00:33:13,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:13,940 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:33:14,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:14,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1412 states and 1725 transitions. [2018-12-09 00:33:14,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1725 transitions. [2018-12-09 00:33:14,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 00:33:14,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:15,021 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:33:16,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:16,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1430 states and 1744 transitions. [2018-12-09 00:33:16,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1744 transitions. [2018-12-09 00:33:16,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 00:33:16,973 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:17,040 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:33:17,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:17,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1446 states and 1761 transitions. [2018-12-09 00:33:17,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1761 transitions. [2018-12-09 00:33:17,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 00:33:17,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:17,576 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:33:17,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:17,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1449 states and 1764 transitions. [2018-12-09 00:33:17,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1764 transitions. [2018-12-09 00:33:17,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 00:33:17,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:17,888 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:33:18,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:18,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1452 states and 1767 transitions. [2018-12-09 00:33:18,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1767 transitions. [2018-12-09 00:33:18,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 00:33:18,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:18,211 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:33:18,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:18,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1455 states and 1770 transitions. [2018-12-09 00:33:18,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 1770 transitions. [2018-12-09 00:33:18,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-09 00:33:18,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:18,565 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 00:33:18,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:18,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1479 states and 1793 transitions. [2018-12-09 00:33:18,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1793 transitions. [2018-12-09 00:33:18,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 00:33:18,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:18,721 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-09 00:33:18,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:18,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1484 states and 1800 transitions. [2018-12-09 00:33:18,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1800 transitions. [2018-12-09 00:33:18,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 00:33:18,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:33:21,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:21,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1509 states and 1834 transitions. [2018-12-09 00:33:21,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 1834 transitions. [2018-12-09 00:33:21,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 00:33:21,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:21,472 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:33:21,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:21,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1510 states and 1838 transitions. [2018-12-09 00:33:21,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1838 transitions. [2018-12-09 00:33:21,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 00:33:21,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:21,566 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:33:21,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:21,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1519 states and 1847 transitions. [2018-12-09 00:33:21,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1847 transitions. [2018-12-09 00:33:21,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 00:33:21,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:21,878 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:33:22,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:22,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1528 states and 1861 transitions. [2018-12-09 00:33:22,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1861 transitions. [2018-12-09 00:33:22,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 00:33:22,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:23,053 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:33:23,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:23,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 1530 states and 1864 transitions. [2018-12-09 00:33:23,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 1864 transitions. [2018-12-09 00:33:23,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 00:33:23,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:23,382 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:33:23,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:23,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1533 states and 1866 transitions. [2018-12-09 00:33:23,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1866 transitions. [2018-12-09 00:33:23,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 00:33:23,606 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:23,659 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:33:23,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:23,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 1536 states and 1869 transitions. [2018-12-09 00:33:23,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1536 states and 1869 transitions. [2018-12-09 00:33:23,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 00:33:23,929 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:23,982 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:33:24,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:24,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1539 states and 1872 transitions. [2018-12-09 00:33:24,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 1872 transitions. [2018-12-09 00:33:24,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 00:33:24,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:24,326 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:33:24,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:24,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 1542 states and 1875 transitions. [2018-12-09 00:33:24,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1875 transitions. [2018-12-09 00:33:24,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 00:33:24,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:24,648 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:33:24,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:24,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 1545 states and 1878 transitions. [2018-12-09 00:33:24,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1878 transitions. [2018-12-09 00:33:24,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 00:33:24,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:25,021 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:33:25,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:25,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1548 states and 1881 transitions. [2018-12-09 00:33:25,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1881 transitions. [2018-12-09 00:33:25,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 00:33:25,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:25,337 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 116 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 00:33:25,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:25,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 1561 states and 1894 transitions. [2018-12-09 00:33:25,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 1894 transitions. [2018-12-09 00:33:25,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 00:33:25,386 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:25,502 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 107 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 00:33:25,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:25,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1568 states and 1901 transitions. [2018-12-09 00:33:25,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 1901 transitions. [2018-12-09 00:33:25,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 00:33:25,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:25,979 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 00:33:26,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:26,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1583 states and 1920 transitions. [2018-12-09 00:33:26,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 1920 transitions. [2018-12-09 00:33:26,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-09 00:33:26,983 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:27,031 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 123 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 00:33:27,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:27,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1607 states and 1946 transitions. [2018-12-09 00:33:27,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 1946 transitions. [2018-12-09 00:33:27,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 00:33:27,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:27,150 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:33:29,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:29,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 1660 states and 2006 transitions. [2018-12-09 00:33:29,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2006 transitions. [2018-12-09 00:33:29,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 00:33:29,467 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:29,494 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:33:29,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:29,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 1661 states and 2006 transitions. [2018-12-09 00:33:29,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 2006 transitions. [2018-12-09 00:33:29,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 00:33:29,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:29,674 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:33:29,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:29,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 1662 states and 2006 transitions. [2018-12-09 00:33:29,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2006 transitions. [2018-12-09 00:33:29,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 00:33:29,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:29,857 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:33:30,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:30,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 1675 states and 2019 transitions. [2018-12-09 00:33:30,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 2019 transitions. [2018-12-09 00:33:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 00:33:30,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:30,074 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 00:33:30,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:30,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 1703 states and 2046 transitions. [2018-12-09 00:33:30,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2046 transitions. [2018-12-09 00:33:30,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 00:33:30,292 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:30,417 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 00:33:32,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:32,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 1727 states and 2080 transitions. [2018-12-09 00:33:32,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2080 transitions. [2018-12-09 00:33:32,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 00:33:32,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 00:33:36,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:36,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 1735 states and 2092 transitions. [2018-12-09 00:33:36,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2092 transitions. [2018-12-09 00:33:36,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 00:33:36,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:36,369 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 00:33:36,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:36,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 1739 states and 2099 transitions. [2018-12-09 00:33:36,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 2099 transitions. [2018-12-09 00:33:36,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 00:33:36,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 00:33:36,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:36,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 1752 states and 2117 transitions. [2018-12-09 00:33:36,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2117 transitions. [2018-12-09 00:33:36,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 00:33:36,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:37,022 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 00:33:37,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:37,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 1753 states and 2118 transitions. [2018-12-09 00:33:37,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2118 transitions. [2018-12-09 00:33:37,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 00:33:37,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:37,353 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 00:33:38,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:38,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 1768 states and 2133 transitions. [2018-12-09 00:33:38,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 2133 transitions. [2018-12-09 00:33:38,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 00:33:38,199 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:38,324 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 00:33:38,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:38,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2136 states to 1771 states and 2136 transitions. [2018-12-09 00:33:38,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 2136 transitions. [2018-12-09 00:33:38,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 00:33:38,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:38,772 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 00:33:39,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:39,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 1774 states and 2141 transitions. [2018-12-09 00:33:39,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 2141 transitions. [2018-12-09 00:33:39,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 00:33:39,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:39,267 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 00:33:39,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:39,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2143 states to 1776 states and 2143 transitions. [2018-12-09 00:33:39,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2143 transitions. [2018-12-09 00:33:39,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 00:33:39,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:39,749 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 00:33:40,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:40,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 1779 states and 2146 transitions. [2018-12-09 00:33:40,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2146 transitions. [2018-12-09 00:33:40,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 00:33:40,080 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:40,135 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 141 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 00:33:40,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:40,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1791 states and 2160 transitions. [2018-12-09 00:33:40,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2160 transitions. [2018-12-09 00:33:40,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 00:33:40,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:40,367 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 141 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 00:33:40,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:40,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 1797 states and 2166 transitions. [2018-12-09 00:33:40,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2166 transitions. [2018-12-09 00:33:40,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 00:33:40,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:40,598 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 141 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 00:33:40,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:40,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 1800 states and 2168 transitions. [2018-12-09 00:33:40,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2168 transitions. [2018-12-09 00:33:40,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-09 00:33:40,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:40,859 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 159 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 00:33:41,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:41,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1804 states and 2172 transitions. [2018-12-09 00:33:41,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2172 transitions. [2018-12-09 00:33:41,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-09 00:33:41,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:41,076 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 00:33:41,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:41,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 1810 states and 2178 transitions. [2018-12-09 00:33:41,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2178 transitions. [2018-12-09 00:33:41,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-09 00:33:41,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:41,285 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 00:33:41,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:41,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 1823 states and 2194 transitions. [2018-12-09 00:33:41,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2194 transitions. [2018-12-09 00:33:41,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-09 00:33:41,768 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:41,795 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 00:33:41,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:41,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 1827 states and 2198 transitions. [2018-12-09 00:33:41,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2198 transitions. [2018-12-09 00:33:41,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-09 00:33:41,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:41,860 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 00:33:42,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:42,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2204 states to 1833 states and 2204 transitions. [2018-12-09 00:33:42,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2204 transitions. [2018-12-09 00:33:42,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 00:33:42,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:42,410 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 00:33:42,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:42,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 1872 states and 2249 transitions. [2018-12-09 00:33:42,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2249 transitions. [2018-12-09 00:33:42,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 00:33:42,804 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:42,830 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 00:33:43,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:43,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 1877 states and 2254 transitions. [2018-12-09 00:33:43,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2254 transitions. [2018-12-09 00:33:43,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 00:33:43,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 00:33:43,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:43,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 1882 states and 2258 transitions. [2018-12-09 00:33:43,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2258 transitions. [2018-12-09 00:33:43,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 00:33:43,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:43,253 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 00:33:43,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:43,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 1884 states and 2259 transitions. [2018-12-09 00:33:43,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 2259 transitions. [2018-12-09 00:33:43,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-09 00:33:43,437 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:43,494 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 00:33:44,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:44,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 1963 states and 2341 transitions. [2018-12-09 00:33:44,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1963 states and 2341 transitions. [2018-12-09 00:33:44,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-09 00:33:44,124 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:45,075 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 223 proven. 28 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 00:33:48,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:48,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2449 states to 2059 states and 2449 transitions. [2018-12-09 00:33:48,915 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2449 transitions. [2018-12-09 00:33:48,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-09 00:33:48,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:49,103 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 00:33:49,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:49,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2066 states and 2458 transitions. [2018-12-09 00:33:49,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2458 transitions. [2018-12-09 00:33:49,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-09 00:33:49,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:49,814 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 237 proven. 42 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 00:33:50,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:50,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2073 states and 2467 transitions. [2018-12-09 00:33:50,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states and 2467 transitions. [2018-12-09 00:33:50,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-09 00:33:50,182 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:50,401 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 00:33:57,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:57,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2141 states and 2542 transitions. [2018-12-09 00:33:57,079 INFO L276 IsEmpty]: Start isEmpty. Operand 2141 states and 2542 transitions. [2018-12-09 00:33:57,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-09 00:33:57,080 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:57,149 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 00:33:58,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:58,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2146 states and 2548 transitions. [2018-12-09 00:33:58,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2548 transitions. [2018-12-09 00:33:58,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-09 00:33:58,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:33:58,547 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 00:33:59,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:33:59,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 2160 states and 2559 transitions. [2018-12-09 00:33:59,937 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 2559 transitions. [2018-12-09 00:33:59,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-09 00:33:59,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:33:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:00,006 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 00:34:00,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:00,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2171 states and 2569 transitions. [2018-12-09 00:34:00,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 2569 transitions. [2018-12-09 00:34:00,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-09 00:34:00,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:00,952 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 179 proven. 10 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-09 00:34:02,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:02,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 2231 states and 2628 transitions. [2018-12-09 00:34:02,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2628 transitions. [2018-12-09 00:34:02,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-09 00:34:02,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:02,130 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 00:34:02,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:02,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 2235 states and 2632 transitions. [2018-12-09 00:34:02,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2632 transitions. [2018-12-09 00:34:02,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-09 00:34:02,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:02,241 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 00:34:02,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:02,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2244 states and 2645 transitions. [2018-12-09 00:34:02,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 2645 transitions. [2018-12-09 00:34:02,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-09 00:34:02,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:02,716 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 00:34:03,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:03,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2648 states to 2247 states and 2648 transitions. [2018-12-09 00:34:03,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2247 states and 2648 transitions. [2018-12-09 00:34:03,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-09 00:34:03,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:03,118 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 00:34:03,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:03,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2250 states and 2651 transitions. [2018-12-09 00:34:03,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2250 states and 2651 transitions. [2018-12-09 00:34:03,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-09 00:34:03,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:05,071 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-09 00:34:13,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:13,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2302 states and 2710 transitions. [2018-12-09 00:34:13,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 2710 transitions. [2018-12-09 00:34:13,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-09 00:34:13,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:13,086 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 183 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 00:34:14,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:14,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2312 states and 2726 transitions. [2018-12-09 00:34:14,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 2726 transitions. [2018-12-09 00:34:14,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-09 00:34:14,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:14,100 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 183 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 00:34:14,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:14,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 2315 states and 2729 transitions. [2018-12-09 00:34:14,458 INFO L276 IsEmpty]: Start isEmpty. Operand 2315 states and 2729 transitions. [2018-12-09 00:34:14,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-09 00:34:14,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:14,523 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 183 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 00:34:14,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:14,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 2318 states and 2732 transitions. [2018-12-09 00:34:14,897 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2732 transitions. [2018-12-09 00:34:14,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-09 00:34:14,898 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:14,984 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 183 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 00:34:17,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:17,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 2334 states and 2753 transitions. [2018-12-09 00:34:17,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 2753 transitions. [2018-12-09 00:34:17,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-09 00:34:17,218 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:17,319 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 183 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 00:34:18,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:18,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2758 states to 2339 states and 2758 transitions. [2018-12-09 00:34:18,958 INFO L276 IsEmpty]: Start isEmpty. Operand 2339 states and 2758 transitions. [2018-12-09 00:34:18,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-09 00:34:18,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:19,021 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 183 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 00:34:19,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:19,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2343 states and 2763 transitions. [2018-12-09 00:34:19,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 2763 transitions. [2018-12-09 00:34:19,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-09 00:34:19,415 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:19,468 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 183 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 00:34:19,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:19,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2346 states and 2766 transitions. [2018-12-09 00:34:19,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 2766 transitions. [2018-12-09 00:34:19,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-09 00:34:19,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 179 proven. 5 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 00:34:20,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:20,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2352 states and 2771 transitions. [2018-12-09 00:34:20,164 INFO L276 IsEmpty]: Start isEmpty. Operand 2352 states and 2771 transitions. [2018-12-09 00:34:20,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-09 00:34:20,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:20,220 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 179 proven. 5 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 00:34:20,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:20,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2810 states to 2392 states and 2810 transitions. [2018-12-09 00:34:20,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 2810 transitions. [2018-12-09 00:34:20,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-09 00:34:20,370 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:21,336 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 00:34:25,055 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2018-12-09 00:34:29,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:29,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 2453 states and 2871 transitions. [2018-12-09 00:34:29,432 INFO L276 IsEmpty]: Start isEmpty. Operand 2453 states and 2871 transitions. [2018-12-09 00:34:29,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-09 00:34:29,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:29,517 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 252 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 00:34:29,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:29,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2457 states and 2875 transitions. [2018-12-09 00:34:29,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 2875 transitions. [2018-12-09 00:34:29,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-09 00:34:29,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:29,953 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 252 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 00:34:30,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 2461 states and 2879 transitions. [2018-12-09 00:34:30,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 2879 transitions. [2018-12-09 00:34:30,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-09 00:34:30,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:30,266 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 00:34:30,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:30,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 2469 states and 2886 transitions. [2018-12-09 00:34:30,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2469 states and 2886 transitions. [2018-12-09 00:34:30,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-09 00:34:30,802 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:31,967 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 00:34:37,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:37,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 2473 states and 2894 transitions. [2018-12-09 00:34:37,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 2894 transitions. [2018-12-09 00:34:37,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-09 00:34:37,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:37,301 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 00:34:38,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:38,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2476 states and 2898 transitions. [2018-12-09 00:34:38,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 2898 transitions. [2018-12-09 00:34:38,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-09 00:34:38,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:39,966 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 00:34:47,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:47,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2906 states to 2484 states and 2906 transitions. [2018-12-09 00:34:47,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2484 states and 2906 transitions. [2018-12-09 00:34:47,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-09 00:34:47,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:49,052 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 261 proven. 61 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 00:34:51,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:51,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2948 states to 2523 states and 2948 transitions. [2018-12-09 00:34:51,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 2948 transitions. [2018-12-09 00:34:51,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-09 00:34:51,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:51,637 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-09 00:34:57,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:57,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3007 states to 2582 states and 3007 transitions. [2018-12-09 00:34:57,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states and 3007 transitions. [2018-12-09 00:34:57,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-09 00:34:57,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:57,266 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-09 00:34:57,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:57,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 2584 states and 3008 transitions. [2018-12-09 00:34:57,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2584 states and 3008 transitions. [2018-12-09 00:34:57,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-09 00:34:57,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:58,169 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 260 proven. 68 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 00:34:58,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:58,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 2605 states and 3029 transitions. [2018-12-09 00:34:58,712 INFO L276 IsEmpty]: Start isEmpty. Operand 2605 states and 3029 transitions. [2018-12-09 00:34:58,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-09 00:34:58,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:58,769 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-12-09 00:34:58,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:58,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 2606 states and 3029 transitions. [2018-12-09 00:34:58,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2606 states and 3029 transitions. [2018-12-09 00:34:58,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-09 00:34:58,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:34:58,851 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-12-09 00:34:58,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:34:58,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 2607 states and 3030 transitions. [2018-12-09 00:34:58,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2607 states and 3030 transitions. [2018-12-09 00:34:58,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-09 00:34:58,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:34:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:00,021 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-12-09 00:35:02,521 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-09 00:35:04,719 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-09 00:35:06,286 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2018-12-09 00:35:08,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:08,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3059 states to 2635 states and 3059 transitions. [2018-12-09 00:35:08,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2635 states and 3059 transitions. [2018-12-09 00:35:08,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-09 00:35:08,418 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-12-09 00:35:11,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:11,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3075 states to 2651 states and 3075 transitions. [2018-12-09 00:35:11,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 3075 transitions. [2018-12-09 00:35:11,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-09 00:35:11,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:11,539 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-12-09 00:35:14,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:14,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3116 states to 2692 states and 3116 transitions. [2018-12-09 00:35:14,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 3116 transitions. [2018-12-09 00:35:14,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-09 00:35:14,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:15,168 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 00:35:18,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:18,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3165 states to 2735 states and 3165 transitions. [2018-12-09 00:35:18,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2735 states and 3165 transitions. [2018-12-09 00:35:18,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-09 00:35:18,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:19,111 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 291 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 00:35:20,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:20,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3201 states to 2772 states and 3201 transitions. [2018-12-09 00:35:20,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 3201 transitions. [2018-12-09 00:35:20,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-09 00:35:20,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:20,452 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 291 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 00:35:20,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:20,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3211 states to 2782 states and 3211 transitions. [2018-12-09 00:35:20,786 INFO L276 IsEmpty]: Start isEmpty. Operand 2782 states and 3211 transitions. [2018-12-09 00:35:20,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-09 00:35:20,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:20,937 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 291 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 00:35:21,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:21,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 2785 states and 3213 transitions. [2018-12-09 00:35:21,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 3213 transitions. [2018-12-09 00:35:21,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-09 00:35:21,065 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:21,168 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-09 00:35:23,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:23,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3225 states to 2797 states and 3225 transitions. [2018-12-09 00:35:23,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2797 states and 3225 transitions. [2018-12-09 00:35:23,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-09 00:35:23,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:23,139 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-09 00:35:26,079 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-09 00:35:28,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:28,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 2815 states and 3244 transitions. [2018-12-09 00:35:28,031 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 3244 transitions. [2018-12-09 00:35:28,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-09 00:35:28,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:28,135 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-09 00:35:29,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:29,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 2822 states and 3250 transitions. [2018-12-09 00:35:29,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2822 states and 3250 transitions. [2018-12-09 00:35:29,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-09 00:35:29,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:29,249 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-09 00:35:30,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:30,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3255 states to 2828 states and 3255 transitions. [2018-12-09 00:35:30,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 3255 transitions. [2018-12-09 00:35:30,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-09 00:35:30,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:30,571 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 6 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-09 00:35:32,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:32,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3291 states to 2866 states and 3291 transitions. [2018-12-09 00:35:32,074 INFO L276 IsEmpty]: Start isEmpty. Operand 2866 states and 3291 transitions. [2018-12-09 00:35:32,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-09 00:35:32,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:32,186 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 186 proven. 6 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-09 00:35:32,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:32,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3298 states to 2874 states and 3298 transitions. [2018-12-09 00:35:32,897 INFO L276 IsEmpty]: Start isEmpty. Operand 2874 states and 3298 transitions. [2018-12-09 00:35:32,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-09 00:35:32,898 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:33,018 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 283 proven. 15 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-09 00:35:34,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:34,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 2903 states and 3329 transitions. [2018-12-09 00:35:34,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2903 states and 3329 transitions. [2018-12-09 00:35:34,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-09 00:35:34,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:34,414 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-09 00:35:35,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:35,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3340 states to 2912 states and 3340 transitions. [2018-12-09 00:35:35,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 3340 transitions. [2018-12-09 00:35:35,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-09 00:35:35,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:36,613 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 351 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-09 00:35:47,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:47,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3516 states to 3072 states and 3516 transitions. [2018-12-09 00:35:47,942 INFO L276 IsEmpty]: Start isEmpty. Operand 3072 states and 3516 transitions. [2018-12-09 00:35:47,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 00:35:47,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:48,048 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-09 00:35:50,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:50,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3559 states to 3104 states and 3559 transitions. [2018-12-09 00:35:50,797 INFO L276 IsEmpty]: Start isEmpty. Operand 3104 states and 3559 transitions. [2018-12-09 00:35:50,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 00:35:50,799 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:50,882 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-09 00:35:51,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:51,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 3114 states and 3572 transitions. [2018-12-09 00:35:51,877 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 3572 transitions. [2018-12-09 00:35:51,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 00:35:51,878 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:51,960 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-09 00:35:52,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:52,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 3115 states and 3572 transitions. [2018-12-09 00:35:52,510 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 3572 transitions. [2018-12-09 00:35:52,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 00:35:52,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:52,594 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-09 00:35:53,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:53,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3577 states to 3120 states and 3577 transitions. [2018-12-09 00:35:53,100 INFO L276 IsEmpty]: Start isEmpty. Operand 3120 states and 3577 transitions. [2018-12-09 00:35:53,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 00:35:53,102 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:53,186 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-09 00:35:53,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:53,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3577 states to 3121 states and 3577 transitions. [2018-12-09 00:35:53,668 INFO L276 IsEmpty]: Start isEmpty. Operand 3121 states and 3577 transitions. [2018-12-09 00:35:53,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 00:35:53,670 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:53,760 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-09 00:35:54,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:54,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3582 states to 3126 states and 3582 transitions. [2018-12-09 00:35:54,472 INFO L276 IsEmpty]: Start isEmpty. Operand 3126 states and 3582 transitions. [2018-12-09 00:35:54,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 00:35:54,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:54,557 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-09 00:35:55,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:55,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3585 states to 3129 states and 3585 transitions. [2018-12-09 00:35:55,090 INFO L276 IsEmpty]: Start isEmpty. Operand 3129 states and 3585 transitions. [2018-12-09 00:35:55,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 00:35:55,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:55,176 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-09 00:35:55,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:55,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3588 states to 3132 states and 3588 transitions. [2018-12-09 00:35:55,681 INFO L276 IsEmpty]: Start isEmpty. Operand 3132 states and 3588 transitions. [2018-12-09 00:35:55,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 00:35:55,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:55,762 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-09 00:35:56,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:56,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3591 states to 3135 states and 3591 transitions. [2018-12-09 00:35:56,282 INFO L276 IsEmpty]: Start isEmpty. Operand 3135 states and 3591 transitions. [2018-12-09 00:35:56,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 00:35:56,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:56,364 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-09 00:35:56,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:56,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3596 states to 3139 states and 3596 transitions. [2018-12-09 00:35:56,521 INFO L276 IsEmpty]: Start isEmpty. Operand 3139 states and 3596 transitions. [2018-12-09 00:35:56,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 00:35:56,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:56,613 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-09 00:35:58,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:58,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3605 states to 3145 states and 3605 transitions. [2018-12-09 00:35:58,432 INFO L276 IsEmpty]: Start isEmpty. Operand 3145 states and 3605 transitions. [2018-12-09 00:35:58,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 00:35:58,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:58,516 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-09 00:35:59,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:59,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3609 states to 3148 states and 3609 transitions. [2018-12-09 00:35:59,040 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 3609 transitions. [2018-12-09 00:35:59,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 00:35:59,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:59,128 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-09 00:36:00,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:00,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 3154 states and 3615 transitions. [2018-12-09 00:36:00,313 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 3615 transitions. [2018-12-09 00:36:00,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 00:36:00,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:00,397 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-09 00:36:01,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:01,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3628 states to 3164 states and 3628 transitions. [2018-12-09 00:36:01,196 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 3628 transitions. [2018-12-09 00:36:01,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 00:36:01,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:01,331 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-09 00:36:01,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:01,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3634 states to 3170 states and 3634 transitions. [2018-12-09 00:36:01,756 INFO L276 IsEmpty]: Start isEmpty. Operand 3170 states and 3634 transitions. [2018-12-09 00:36:01,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 00:36:01,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:01,837 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-09 00:36:02,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:02,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3637 states to 3173 states and 3637 transitions. [2018-12-09 00:36:02,340 INFO L276 IsEmpty]: Start isEmpty. Operand 3173 states and 3637 transitions. [2018-12-09 00:36:02,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 00:36:02,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:02,428 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 281 proven. 10 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 00:36:08,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:08,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3702 states to 3237 states and 3702 transitions. [2018-12-09 00:36:08,284 INFO L276 IsEmpty]: Start isEmpty. Operand 3237 states and 3702 transitions. [2018-12-09 00:36:08,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 00:36:08,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:08,378 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 281 proven. 10 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 00:36:11,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:11,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3758 states to 3294 states and 3758 transitions. [2018-12-09 00:36:11,460 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 3758 transitions. [2018-12-09 00:36:11,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 00:36:11,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:11,551 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 281 proven. 10 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 00:36:17,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:17,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3788 states to 3324 states and 3788 transitions. [2018-12-09 00:36:17,276 INFO L276 IsEmpty]: Start isEmpty. Operand 3324 states and 3788 transitions. [2018-12-09 00:36:17,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 00:36:17,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:17,361 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 281 proven. 10 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 00:36:18,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:18,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3791 states to 3328 states and 3791 transitions. [2018-12-09 00:36:18,104 INFO L276 IsEmpty]: Start isEmpty. Operand 3328 states and 3791 transitions. [2018-12-09 00:36:18,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 00:36:18,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:18,194 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 281 proven. 10 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 00:36:18,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:18,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3334 states and 3796 transitions. [2018-12-09 00:36:18,412 INFO L276 IsEmpty]: Start isEmpty. Operand 3334 states and 3796 transitions. [2018-12-09 00:36:18,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-09 00:36:18,413 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:18,470 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 463 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-09 00:36:18,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:18,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3800 states to 3338 states and 3800 transitions. [2018-12-09 00:36:18,739 INFO L276 IsEmpty]: Start isEmpty. Operand 3338 states and 3800 transitions. [2018-12-09 00:36:18,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-09 00:36:18,740 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:18,797 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 463 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-09 00:36:19,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:19,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 3343 states and 3804 transitions. [2018-12-09 00:36:19,116 INFO L276 IsEmpty]: Start isEmpty. Operand 3343 states and 3804 transitions. [2018-12-09 00:36:19,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-09 00:36:19,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:19,175 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 458 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-12-09 00:36:20,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:20,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3825 states to 3365 states and 3825 transitions. [2018-12-09 00:36:20,780 INFO L276 IsEmpty]: Start isEmpty. Operand 3365 states and 3825 transitions. [2018-12-09 00:36:20,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-09 00:36:20,782 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:20,839 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 458 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-12-09 00:36:22,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:22,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 3371 states and 3831 transitions. [2018-12-09 00:36:22,116 INFO L276 IsEmpty]: Start isEmpty. Operand 3371 states and 3831 transitions. [2018-12-09 00:36:22,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-09 00:36:22,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:22,222 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 323 proven. 15 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-12-09 00:36:22,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:22,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3401 states and 3860 transitions. [2018-12-09 00:36:22,394 INFO L276 IsEmpty]: Start isEmpty. Operand 3401 states and 3860 transitions. [2018-12-09 00:36:22,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2018-12-09 00:36:22,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:22,757 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 595 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-09 00:36:30,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:30,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3908 states to 3440 states and 3908 transitions. [2018-12-09 00:36:30,906 INFO L276 IsEmpty]: Start isEmpty. Operand 3440 states and 3908 transitions. [2018-12-09 00:36:30,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2018-12-09 00:36:30,909 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:31,050 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 595 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-09 00:36:32,530 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-09 00:36:34,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:34,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3911 states to 3445 states and 3911 transitions. [2018-12-09 00:36:34,389 INFO L276 IsEmpty]: Start isEmpty. Operand 3445 states and 3911 transitions. [2018-12-09 00:36:34,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-12-09 00:36:34,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:35,053 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-09 00:36:43,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:43,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3949 states to 3473 states and 3949 transitions. [2018-12-09 00:36:43,381 INFO L276 IsEmpty]: Start isEmpty. Operand 3473 states and 3949 transitions. [2018-12-09 00:36:43,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-12-09 00:36:43,384 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:43,509 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-09 00:36:45,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:45,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3955 states to 3478 states and 3955 transitions. [2018-12-09 00:36:45,033 INFO L276 IsEmpty]: Start isEmpty. Operand 3478 states and 3955 transitions. [2018-12-09 00:36:45,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-12-09 00:36:45,034 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:45,154 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-09 00:36:46,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:46,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3965 states to 3489 states and 3965 transitions. [2018-12-09 00:36:46,761 INFO L276 IsEmpty]: Start isEmpty. Operand 3489 states and 3965 transitions. [2018-12-09 00:36:46,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-09 00:36:46,763 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:47,319 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 525 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2018-12-09 00:36:51,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:51,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4032 states to 3553 states and 4032 transitions. [2018-12-09 00:36:51,548 INFO L276 IsEmpty]: Start isEmpty. Operand 3553 states and 4032 transitions. [2018-12-09 00:36:51,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-09 00:36:51,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:51,701 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 525 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2018-12-09 00:36:53,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:53,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4045 states to 3567 states and 4045 transitions. [2018-12-09 00:36:53,379 INFO L276 IsEmpty]: Start isEmpty. Operand 3567 states and 4045 transitions. [2018-12-09 00:36:53,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-12-09 00:36:53,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:53,504 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 389 proven. 15 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2018-12-09 00:36:55,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:55,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4051 states to 3575 states and 4051 transitions. [2018-12-09 00:36:55,240 INFO L276 IsEmpty]: Start isEmpty. Operand 3575 states and 4051 transitions. [2018-12-09 00:36:55,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-09 00:36:55,242 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:55,338 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 513 proven. 20 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2018-12-09 00:36:57,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:36:57,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4091 states to 3618 states and 4091 transitions. [2018-12-09 00:36:57,607 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 4091 transitions. [2018-12-09 00:36:57,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2018-12-09 00:36:57,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:36:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:36:57,796 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2018-12-09 00:37:02,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:37:02,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4150 states to 3676 states and 4150 transitions. [2018-12-09 00:37:02,817 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 4150 transitions. [2018-12-09 00:37:02,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2018-12-09 00:37:02,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:37:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:37:02,951 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2018-12-09 00:37:05,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:37:05,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4149 states to 3676 states and 4149 transitions. [2018-12-09 00:37:05,071 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 4149 transitions. [2018-12-09 00:37:05,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2018-12-09 00:37:05,073 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:37:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:37:05,204 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2018-12-09 00:37:05,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:37:05,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4120 states to 3648 states and 4120 transitions. [2018-12-09 00:37:05,860 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 4120 transitions. [2018-12-09 00:37:05,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-09 00:37:05,862 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:37:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:37:06,016 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 427 proven. 15 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2018-12-09 00:37:07,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:37:07,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4141 states to 3668 states and 4141 transitions. [2018-12-09 00:37:07,702 INFO L276 IsEmpty]: Start isEmpty. Operand 3668 states and 4141 transitions. [2018-12-09 00:37:07,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-09 00:37:07,704 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:37:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:37:07,845 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 427 proven. 15 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2018-12-09 00:37:08,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:37:08,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4161 states to 3690 states and 4161 transitions. [2018-12-09 00:37:08,480 INFO L276 IsEmpty]: Start isEmpty. Operand 3690 states and 4161 transitions. [2018-12-09 00:37:08,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2018-12-09 00:37:08,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:37:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:37:08,675 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 344 proven. 12 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2018-12-09 00:37:08,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:37:08,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4163 states to 3693 states and 4163 transitions. [2018-12-09 00:37:08,927 INFO L276 IsEmpty]: Start isEmpty. Operand 3693 states and 4163 transitions. [2018-12-09 00:37:08,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2018-12-09 00:37:08,929 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:37:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:37:09,118 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 344 proven. 12 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2018-12-09 00:37:10,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:37:10,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4172 states to 3702 states and 4172 transitions. [2018-12-09 00:37:10,636 INFO L276 IsEmpty]: Start isEmpty. Operand 3702 states and 4172 transitions. [2018-12-09 00:37:10,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2018-12-09 00:37:10,638 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:37:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:37:10,823 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 344 proven. 12 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2018-12-09 00:37:11,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:37:11,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2735 states to 2433 states and 2735 transitions. [2018-12-09 00:37:11,472 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 2735 transitions. [2018-12-09 00:37:11,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2018-12-09 00:37:11,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:37:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:37:11,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 489 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2018-12-09 00:37:12,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:37:12,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2438 states and 2739 transitions. [2018-12-09 00:37:12,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2438 states and 2739 transitions. [2018-12-09 00:37:12,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2018-12-09 00:37:12,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:37:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:37:12,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2018-12-09 00:37:14,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:37:14,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2810 states to 2509 states and 2810 transitions. [2018-12-09 00:37:14,392 INFO L276 IsEmpty]: Start isEmpty. Operand 2509 states and 2810 transitions. [2018-12-09 00:37:14,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2018-12-09 00:37:14,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:37:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:37:14,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2018-12-09 00:37:15,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:37:15,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 2509 states and 2809 transitions. [2018-12-09 00:37:15,316 INFO L276 IsEmpty]: Start isEmpty. Operand 2509 states and 2809 transitions. [2018-12-09 00:37:15,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2018-12-09 00:37:15,317 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:37:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:37:15,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 696 proven. 30 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2018-12-09 00:37:18,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:37:18,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2537 states and 2839 transitions. [2018-12-09 00:37:18,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 2839 transitions. [2018-12-09 00:37:18,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2018-12-09 00:37:18,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:37:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:37:18,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 696 proven. 30 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2018-12-09 00:37:19,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:37:19,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2545 states and 2846 transitions. [2018-12-09 00:37:19,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 2846 transitions. [2018-12-09 00:37:19,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2018-12-09 00:37:19,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:37:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:37:19,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 696 proven. 30 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2018-12-09 00:37:21,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:37:21,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 2565 states and 2864 transitions. [2018-12-09 00:37:21,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 2864 transitions. [2018-12-09 00:37:21,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2018-12-09 00:37:21,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:37:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:37:22,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1471 backedges. 845 proven. 103 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2018-12-09 00:37:29,403 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-09 00:37:29,719 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-12-09 00:37:38,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:37:38,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2602 states and 2915 transitions. [2018-12-09 00:37:38,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2602 states and 2915 transitions. [2018-12-09 00:37:38,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2018-12-09 00:37:38,332 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:37:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:37:38,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1471 backedges. 845 proven. 103 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2018-12-09 00:37:41,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:37:41,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2631 states and 2946 transitions. [2018-12-09 00:37:41,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 2946 transitions. [2018-12-09 00:37:41,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2018-12-09 00:37:41,878 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:37:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:37:42,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1471 backedges. 845 proven. 103 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2018-12-09 00:37:44,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:37:44,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2951 states to 2637 states and 2951 transitions. [2018-12-09 00:37:44,004 INFO L276 IsEmpty]: Start isEmpty. Operand 2637 states and 2951 transitions. [2018-12-09 00:37:44,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2018-12-09 00:37:44,006 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:37:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:37:44,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 1052 proven. 16 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2018-12-09 00:37:45,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:37:45,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 2643 states and 2961 transitions. [2018-12-09 00:37:45,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2643 states and 2961 transitions. [2018-12-09 00:37:45,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2018-12-09 00:37:45,360 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:37:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:37:45,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 1052 proven. 16 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2018-12-09 00:37:46,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:37:46,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 2644 states and 2963 transitions. [2018-12-09 00:37:46,178 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 2963 transitions. [2018-12-09 00:37:46,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2018-12-09 00:37:46,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:37:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:37:47,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1590 backedges. 941 proven. 374 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2018-12-09 00:38:02,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:38:02,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3039 states to 2693 states and 3039 transitions. [2018-12-09 00:38:02,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 3039 transitions. [2018-12-09 00:38:02,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:38:02,840 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 258 iterations. [2018-12-09 00:38:02,851 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 00:38:03,135 WARN L180 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 55 [2018-12-09 00:38:03,379 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 53 [2018-12-09 00:38:03,733 WARN L180 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 53 [2018-12-09 00:38:04,080 WARN L180 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 53 [2018-12-09 00:38:04,403 WARN L180 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 50 [2018-12-09 00:38:04,525 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 33 [2018-12-09 00:38:04,739 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 39 [2018-12-09 00:38:04,861 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 29 [2018-12-09 00:38:05,025 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2018-12-09 00:38:05,486 WARN L180 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 53 [2018-12-09 00:38:05,957 WARN L180 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 53 [2018-12-09 00:38:06,090 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 29 [2018-12-09 00:38:06,321 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2018-12-09 00:38:06,482 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 29 [2018-12-09 00:38:06,715 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 37 [2018-12-09 00:38:06,929 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 37 [2018-12-09 00:38:07,090 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 37 [2018-12-09 00:38:07,199 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 33 [2018-12-09 00:38:07,444 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 53 [2018-12-09 00:38:07,694 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 53 [2018-12-09 00:38:07,950 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 53 [2018-12-09 00:38:08,066 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 33 [2018-12-09 00:38:08,361 WARN L180 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-12-09 00:38:08,662 WARN L180 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 53 [2018-12-09 00:38:08,812 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 37 [2018-12-09 00:38:08,934 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2018-12-09 00:38:09,055 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 37 [2018-12-09 00:38:09,510 WARN L180 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2018-12-09 00:38:09,636 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 36 [2018-12-09 00:38:09,871 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 53 [2018-12-09 00:38:09,973 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 33 [2018-12-09 00:38:10,232 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 50 [2018-12-09 00:38:10,357 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 37 [2018-12-09 00:38:10,636 WARN L180 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 50 [2018-12-09 00:38:10,760 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 37 [2018-12-09 00:38:11,058 WARN L180 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 53 [2018-12-09 00:38:11,255 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 33 [2018-12-09 00:38:11,524 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 50 [2018-12-09 00:38:11,644 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 37 [2018-12-09 00:38:11,758 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 36 [2018-12-09 00:38:12,041 WARN L180 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 57 [2018-12-09 00:38:12,433 WARN L180 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 53 [2018-12-09 00:38:12,570 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 37 [2018-12-09 00:38:12,746 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 34 [2018-12-09 00:38:12,990 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 53 [2018-12-09 00:38:13,171 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 37 [2018-12-09 00:38:13,369 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 37 [2018-12-09 00:38:13,813 WARN L180 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 53 [2018-12-09 00:38:13,955 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 37 [2018-12-09 00:38:14,071 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 33 [2018-12-09 00:38:14,225 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 29 [2018-12-09 00:38:14,332 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 29 [2018-12-09 00:38:14,487 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 37 [2018-12-09 00:38:14,779 WARN L180 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 50 [2018-12-09 00:38:15,043 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 50 [2018-12-09 00:38:15,149 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 33 [2018-12-09 00:38:15,471 WARN L180 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 53 [2018-12-09 00:38:15,632 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 37 [2018-12-09 00:38:15,748 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 33 [2018-12-09 00:38:15,863 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 33 [2018-12-09 00:38:16,120 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 53 [2018-12-09 00:38:16,404 WARN L180 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 55 [2018-12-09 00:38:16,514 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 33 [2018-12-09 00:38:16,639 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 33 [2018-12-09 00:38:16,791 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 37 [2018-12-09 00:38:17,067 WARN L180 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-12-09 00:38:17,322 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 50 [2018-12-09 00:38:17,572 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 50 [2018-12-09 00:38:17,688 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 37 [2018-12-09 00:38:17,976 WARN L180 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 57 [2018-12-09 00:38:18,131 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 36 [2018-12-09 00:38:18,382 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 39 [2018-12-09 00:38:18,383 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:38:18,384 INFO L583 CodeCheckObserver]: Invariant with dag size 34 [2018-12-09 00:38:18,389 INFO L583 CodeCheckObserver]: Invariant with dag size 34 [2018-12-09 00:38:18,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:38:18 ImpRootNode [2018-12-09 00:38:18,390 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 00:38:18,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:38:18,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:38:18,390 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:38:18,391 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:32:21" (3/4) ... [2018-12-09 00:38:18,393 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:38:18,404 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-09 00:38:18,404 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-09 00:38:18,405 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 00:38:18,405 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 00:38:18,464 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_520d930a-bbe4-4626-b66a-a2d2f54584b2/bin-2019/ukojak/witness.graphml [2018-12-09 00:38:18,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:38:18,465 INFO L168 Benchmark]: Toolchain (without parser) took 358523.06 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 950.6 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 597.3 MB. Max. memory is 11.5 GB. [2018-12-09 00:38:18,465 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:38:18,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-12-09 00:38:18,465 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:38:18,465 INFO L168 Benchmark]: Boogie Preprocessor took 29.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:38:18,465 INFO L168 Benchmark]: RCFGBuilder took 1046.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.1 MB in the end (delta: 225.7 MB). Peak memory consumption was 225.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:38:18,466 INFO L168 Benchmark]: CodeCheck took 357037.32 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 887.1 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-12-09 00:38:18,466 INFO L168 Benchmark]: Witness Printer took 73.68 ms. Allocated memory is still 2.7 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 4.3 kB). Peak memory consumption was 4.3 kB. Max. memory is 11.5 GB. [2018-12-09 00:38:18,467 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 227 locations, 1 error locations. SAFE Result, 341.4s OverallTime, 258 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1359234188 SDtfs, -640207946 SDslu, 1746507114 SDs, 0 SdLazy, 1845520984 SolverSat, 222077496 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1296.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 365515 GetRequests, 355018 SyntacticMatches, 8467 SemanticMatches, 2030 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3266107 ImplicationChecksByTransitivity, 302.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.8s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 22.9s InterpolantComputationTime, 57055 NumberOfCodeBlocks, 57055 NumberOfCodeBlocksAsserted, 257 NumberOfCheckSat, 56798 ConstructedInterpolants, 0 QuantifiedInterpolants, 60144340 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 257 InterpolantComputations, 139 PerfectInterpolantSequences, 73435/75472 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: 481]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((!(a19 == 1) && !(a17 == 8)) || (!(a19 == 1) && !(a11 == 1))) || ((!(a28 == 8) && a19 == 1) && !(a17 == 9))) || (((a17 == 8 && a21 == 1) && a25 == 1) && !(a11 == 1))) || (((a17 == 8 && a28 == 7) && a21 == 1) && a25 <= 0)) || (((a19 <= 0 && !(a25 == 1)) && a28 == 7) && a21 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((a17 == 8 && a28 == 7) && a21 == 1) && a25 <= 0) || (!(a19 == 1) && !(a17 == 8))) || (!(a19 == 1) && !(a11 == 1))) || ((!(a28 == 8) && a19 == 1) && !(a17 == 9))) || (((a17 == 8 && a21 == 1) && a25 == 1) && !(a11 == 1))) || (((a19 <= 0 && !(a25 == 1)) && a28 == 7) && a21 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 293.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1046.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.1 MB in the end (delta: 225.7 MB). Peak memory consumption was 225.7 MB. Max. memory is 11.5 GB. * CodeCheck took 357037.32 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 887.1 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. * Witness Printer took 73.68 ms. Allocated memory is still 2.7 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 4.3 kB). Peak memory consumption was 4.3 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...