./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label42_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fb946acb-fc19-4979-954a-5f49f4b782cd/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fb946acb-fc19-4979-954a-5f49f4b782cd/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fb946acb-fc19-4979-954a-5f49f4b782cd/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fb946acb-fc19-4979-954a-5f49f4b782cd/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label42_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fb946acb-fc19-4979-954a-5f49f4b782cd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fb946acb-fc19-4979-954a-5f49f4b782cd/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 1ced3eb982b16bda97708eba7d7a33ef6d709871 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:47:22,313 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:47:22,315 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:47:22,323 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:47:22,323 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:47:22,324 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:47:22,325 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:47:22,326 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:47:22,327 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:47:22,328 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:47:22,329 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:47:22,329 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:47:22,330 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:47:22,330 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:47:22,331 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:47:22,332 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:47:22,333 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:47:22,334 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:47:22,335 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:47:22,336 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:47:22,337 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:47:22,338 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:47:22,340 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:47:22,340 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:47:22,340 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:47:22,341 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:47:22,342 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:47:22,343 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:47:22,343 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:47:22,344 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:47:22,344 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:47:22,345 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:47:22,345 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:47:22,345 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:47:22,346 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:47:22,346 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:47:22,346 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fb946acb-fc19-4979-954a-5f49f4b782cd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 12:47:22,357 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:47:22,357 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:47:22,358 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:47:22,358 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:47:22,359 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:47:22,359 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:47:22,359 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:47:22,359 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:47:22,359 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:47:22,360 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:47:22,360 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:47:22,360 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:47:22,360 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:47:22,360 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:47:22,360 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:47:22,360 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:47:22,360 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:47:22,360 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:47:22,361 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:47:22,361 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:47:22,361 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:47:22,361 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:47:22,361 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:47:22,361 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:47:22,362 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:47:22,362 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:47:22,362 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:47:22,362 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:47:22,362 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:47:22,362 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_fb946acb-fc19-4979-954a-5f49f4b782cd/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 -> 1ced3eb982b16bda97708eba7d7a33ef6d709871 [2018-11-18 12:47:22,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:47:22,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:47:22,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:47:22,403 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:47:22,403 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:47:22,404 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fb946acb-fc19-4979-954a-5f49f4b782cd/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label42_true-unreach-call_false-termination.c [2018-11-18 12:47:22,447 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fb946acb-fc19-4979-954a-5f49f4b782cd/bin-2019/ukojak/data/cccf5c1e3/f4fbd221a29e42218fa2aaedb3db4634/FLAG4f837bd17 [2018-11-18 12:47:22,870 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:47:22,871 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fb946acb-fc19-4979-954a-5f49f4b782cd/sv-benchmarks/c/eca-rers2012/Problem01_label42_true-unreach-call_false-termination.c [2018-11-18 12:47:22,881 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fb946acb-fc19-4979-954a-5f49f4b782cd/bin-2019/ukojak/data/cccf5c1e3/f4fbd221a29e42218fa2aaedb3db4634/FLAG4f837bd17 [2018-11-18 12:47:23,216 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fb946acb-fc19-4979-954a-5f49f4b782cd/bin-2019/ukojak/data/cccf5c1e3/f4fbd221a29e42218fa2aaedb3db4634 [2018-11-18 12:47:23,219 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:47:23,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:47:23,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:47:23,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:47:23,225 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:47:23,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:47:23" (1/1) ... [2018-11-18 12:47:23,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f35076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23, skipping insertion in model container [2018-11-18 12:47:23,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:47:23" (1/1) ... [2018-11-18 12:47:23,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:47:23,278 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:47:23,528 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:47:23,532 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:47:23,612 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:47:23,627 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:47:23,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23 WrapperNode [2018-11-18 12:47:23,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:47:23,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:47:23,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:47:23,629 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:47:23,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23" (1/1) ... [2018-11-18 12:47:23,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23" (1/1) ... [2018-11-18 12:47:23,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:47:23,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:47:23,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:47:23,743 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:47:23,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23" (1/1) ... [2018-11-18 12:47:23,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23" (1/1) ... [2018-11-18 12:47:23,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23" (1/1) ... [2018-11-18 12:47:23,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23" (1/1) ... [2018-11-18 12:47:23,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23" (1/1) ... [2018-11-18 12:47:23,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23" (1/1) ... [2018-11-18 12:47:23,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23" (1/1) ... [2018-11-18 12:47:23,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:47:23,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:47:23,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:47:23,791 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:47:23,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:47:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fb946acb-fc19-4979-954a-5f49f4b782cd/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:47:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:47:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:47:23,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:47:25,263 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:47:25,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:47:25 BoogieIcfgContainer [2018-11-18 12:47:25,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:47:25,264 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:47:25,264 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:47:25,271 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:47:25,271 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:47:25" (1/1) ... [2018-11-18 12:47:25,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:47:25,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:25,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-18 12:47:25,303 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-18 12:47:25,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 12:47:25,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:25,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:25,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:25,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 147 states and 233 transitions. [2018-11-18 12:47:25,848 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 233 transitions. [2018-11-18 12:47:25,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 12:47:25,850 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:25,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:47:26,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:26,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 222 states and 313 transitions. [2018-11-18 12:47:26,364 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 313 transitions. [2018-11-18 12:47:26,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 12:47:26,367 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:26,435 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:26,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:26,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 293 states and 388 transitions. [2018-11-18 12:47:26,807 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 388 transitions. [2018-11-18 12:47:26,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 12:47:26,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:26,871 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:26,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:26,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 301 states and 399 transitions. [2018-11-18 12:47:26,996 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 399 transitions. [2018-11-18 12:47:26,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 12:47:26,999 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:27,060 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:27,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:27,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 310 states and 412 transitions. [2018-11-18 12:47:27,249 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 412 transitions. [2018-11-18 12:47:27,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 12:47:27,252 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:27,273 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:27,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:27,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 318 states and 422 transitions. [2018-11-18 12:47:27,445 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 422 transitions. [2018-11-18 12:47:27,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 12:47:27,446 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:27,468 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:27,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:27,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 323 states and 427 transitions. [2018-11-18 12:47:27,493 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 427 transitions. [2018-11-18 12:47:27,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 12:47:27,494 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:27,523 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 12:47:27,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:27,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 328 states and 435 transitions. [2018-11-18 12:47:27,720 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 435 transitions. [2018-11-18 12:47:27,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 12:47:27,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:27,746 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:47:27,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:28,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 342 states and 452 transitions. [2018-11-18 12:47:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 452 transitions. [2018-11-18 12:47:28,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 12:47:28,001 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:28,061 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:47:28,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:28,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 352 states and 466 transitions. [2018-11-18 12:47:28,319 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 466 transitions. [2018-11-18 12:47:28,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 12:47:28,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:28,390 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:47:28,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:28,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 353 states and 468 transitions. [2018-11-18 12:47:28,479 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 468 transitions. [2018-11-18 12:47:28,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 12:47:28,480 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:28,600 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:47:29,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:29,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 368 states and 488 transitions. [2018-11-18 12:47:29,177 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 488 transitions. [2018-11-18 12:47:29,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 12:47:29,178 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:47:29,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:29,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 369 states and 490 transitions. [2018-11-18 12:47:29,216 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 490 transitions. [2018-11-18 12:47:29,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 12:47:29,217 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:29,253 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:47:29,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:29,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 373 states and 496 transitions. [2018-11-18 12:47:29,381 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 496 transitions. [2018-11-18 12:47:29,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 12:47:29,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:29,461 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:29,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:29,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 381 states and 507 transitions. [2018-11-18 12:47:29,809 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 507 transitions. [2018-11-18 12:47:29,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 12:47:29,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:29,845 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:30,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:30,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 404 states and 539 transitions. [2018-11-18 12:47:30,603 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 539 transitions. [2018-11-18 12:47:30,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 12:47:30,604 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:30,626 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 12:47:30,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:30,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 405 states and 539 transitions. [2018-11-18 12:47:30,711 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 539 transitions. [2018-11-18 12:47:30,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 12:47:30,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:30,730 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:47:30,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:30,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 407 states and 542 transitions. [2018-11-18 12:47:30,831 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 542 transitions. [2018-11-18 12:47:30,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 12:47:30,831 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:30,848 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:47:30,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:30,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 421 states and 558 transitions. [2018-11-18 12:47:30,960 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 558 transitions. [2018-11-18 12:47:30,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 12:47:30,961 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:30,979 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 12:47:31,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:31,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 432 states and 569 transitions. [2018-11-18 12:47:31,450 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 569 transitions. [2018-11-18 12:47:31,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 12:47:31,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:31,465 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:47:31,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:31,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 433 states and 569 transitions. [2018-11-18 12:47:31,537 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 569 transitions. [2018-11-18 12:47:31,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 12:47:31,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:31,650 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 12:47:31,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:31,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 439 states and 577 transitions. [2018-11-18 12:47:31,909 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 577 transitions. [2018-11-18 12:47:31,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 12:47:31,911 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:31,937 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 12:47:32,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:32,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 454 states and 594 transitions. [2018-11-18 12:47:32,468 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 594 transitions. [2018-11-18 12:47:32,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 12:47:32,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:32,575 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:47:33,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:33,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 479 states and 626 transitions. [2018-11-18 12:47:33,270 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 626 transitions. [2018-11-18 12:47:33,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 12:47:33,271 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:33,285 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:47:33,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:33,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 484 states and 631 transitions. [2018-11-18 12:47:33,308 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 631 transitions. [2018-11-18 12:47:33,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 12:47:33,309 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:33,324 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:47:33,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:33,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 487 states and 634 transitions. [2018-11-18 12:47:33,390 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 634 transitions. [2018-11-18 12:47:33,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 12:47:33,391 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:33,408 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:47:33,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:33,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 494 states and 643 transitions. [2018-11-18 12:47:33,606 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 643 transitions. [2018-11-18 12:47:33,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 12:47:33,607 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:33,632 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:47:33,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:33,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 497 states and 647 transitions. [2018-11-18 12:47:33,649 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 647 transitions. [2018-11-18 12:47:33,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 12:47:33,650 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:33,664 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:47:33,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:33,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 499 states and 652 transitions. [2018-11-18 12:47:33,793 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 652 transitions. [2018-11-18 12:47:33,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 12:47:33,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:33,855 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:47:34,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:34,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 513 states and 671 transitions. [2018-11-18 12:47:34,513 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 671 transitions. [2018-11-18 12:47:34,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 12:47:34,513 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:34,528 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:47:34,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:34,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 517 states and 675 transitions. [2018-11-18 12:47:34,667 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 675 transitions. [2018-11-18 12:47:34,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 12:47:34,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:34,687 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:47:35,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:35,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 531 states and 693 transitions. [2018-11-18 12:47:35,046 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 693 transitions. [2018-11-18 12:47:35,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 12:47:35,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:35,063 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:35,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:35,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 540 states and 702 transitions. [2018-11-18 12:47:35,095 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 702 transitions. [2018-11-18 12:47:35,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 12:47:35,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:35,113 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:35,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:35,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 556 states and 722 transitions. [2018-11-18 12:47:35,343 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 722 transitions. [2018-11-18 12:47:35,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-18 12:47:35,344 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:35,698 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:47:37,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:37,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 582 states and 762 transitions. [2018-11-18 12:47:37,225 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 762 transitions. [2018-11-18 12:47:37,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-18 12:47:37,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:37,371 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:47:38,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:38,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 599 states and 784 transitions. [2018-11-18 12:47:38,214 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 784 transitions. [2018-11-18 12:47:38,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 12:47:38,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:38,237 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 12:47:38,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:38,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 608 states and 795 transitions. [2018-11-18 12:47:38,416 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 795 transitions. [2018-11-18 12:47:38,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 12:47:38,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:38,769 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:47:39,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:39,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 622 states and 812 transitions. [2018-11-18 12:47:39,429 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 812 transitions. [2018-11-18 12:47:39,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 12:47:39,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:39,485 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 12:47:39,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:39,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 639 states and 832 transitions. [2018-11-18 12:47:39,965 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 832 transitions. [2018-11-18 12:47:39,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 12:47:39,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:39,982 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:47:40,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:40,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 647 states and 840 transitions. [2018-11-18 12:47:40,023 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 840 transitions. [2018-11-18 12:47:40,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 12:47:40,024 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:40,040 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:47:40,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:40,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 654 states and 851 transitions. [2018-11-18 12:47:40,411 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 851 transitions. [2018-11-18 12:47:40,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 12:47:40,411 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:40,429 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:47:40,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:40,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 663 states and 860 transitions. [2018-11-18 12:47:40,847 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 860 transitions. [2018-11-18 12:47:40,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 12:47:40,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:40,867 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:47:40,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:40,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 664 states and 861 transitions. [2018-11-18 12:47:40,893 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 861 transitions. [2018-11-18 12:47:40,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 12:47:40,894 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:40,920 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:47:41,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:41,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 665 states and 863 transitions. [2018-11-18 12:47:41,073 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 863 transitions. [2018-11-18 12:47:41,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 12:47:41,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:41,088 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:47:41,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:41,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 667 states and 865 transitions. [2018-11-18 12:47:41,291 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 865 transitions. [2018-11-18 12:47:41,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 12:47:41,292 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:41,318 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:47:42,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:42,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 677 states and 883 transitions. [2018-11-18 12:47:42,299 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 883 transitions. [2018-11-18 12:47:42,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 12:47:42,300 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:42,329 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:47:42,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:42,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 694 states and 900 transitions. [2018-11-18 12:47:42,922 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 900 transitions. [2018-11-18 12:47:42,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 12:47:42,923 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:42,950 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:47:43,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:43,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 696 states and 902 transitions. [2018-11-18 12:47:43,065 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 902 transitions. [2018-11-18 12:47:43,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 12:47:43,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:43,083 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 12:47:43,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:43,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 699 states and 905 transitions. [2018-11-18 12:47:43,187 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 905 transitions. [2018-11-18 12:47:43,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 12:47:43,188 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:43,349 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:47:43,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:43,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 701 states and 907 transitions. [2018-11-18 12:47:43,840 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 907 transitions. [2018-11-18 12:47:43,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 12:47:43,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:43,860 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:47:44,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:44,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 704 states and 909 transitions. [2018-11-18 12:47:44,045 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 909 transitions. [2018-11-18 12:47:44,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 12:47:44,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:44,064 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 12:47:44,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:44,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 705 states and 910 transitions. [2018-11-18 12:47:44,080 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 910 transitions. [2018-11-18 12:47:44,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 12:47:44,081 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:44,439 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:45,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:45,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 750 states and 959 transitions. [2018-11-18 12:47:45,987 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 959 transitions. [2018-11-18 12:47:45,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 12:47:45,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:46,106 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:47:46,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:46,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 760 states and 974 transitions. [2018-11-18 12:47:46,422 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 974 transitions. [2018-11-18 12:47:46,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 12:47:46,423 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:46,444 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:46,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:46,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 794 states and 1010 transitions. [2018-11-18 12:47:46,712 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1010 transitions. [2018-11-18 12:47:46,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 12:47:46,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:46,742 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:48,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:48,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 815 states and 1035 transitions. [2018-11-18 12:47:48,304 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1035 transitions. [2018-11-18 12:47:48,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 12:47:48,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:48,325 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 12:47:48,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:48,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 825 states and 1046 transitions. [2018-11-18 12:47:48,737 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1046 transitions. [2018-11-18 12:47:48,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 12:47:48,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:48,758 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 12:47:48,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:48,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 826 states and 1046 transitions. [2018-11-18 12:47:48,876 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1046 transitions. [2018-11-18 12:47:48,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 12:47:48,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:48,903 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:47:48,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:48,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 831 states and 1052 transitions. [2018-11-18 12:47:48,965 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1052 transitions. [2018-11-18 12:47:48,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 12:47:48,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:49,305 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 12:47:50,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:50,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 841 states and 1068 transitions. [2018-11-18 12:47:50,356 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1068 transitions. [2018-11-18 12:47:50,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 12:47:50,357 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:50,613 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 12:47:51,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:51,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 879 states and 1108 transitions. [2018-11-18 12:47:51,528 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1108 transitions. [2018-11-18 12:47:51,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 12:47:51,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:51,640 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 68 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 12:47:51,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:51,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 887 states and 1118 transitions. [2018-11-18 12:47:51,976 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1118 transitions. [2018-11-18 12:47:51,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 12:47:51,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:52,004 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:47:52,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:52,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 901 states and 1136 transitions. [2018-11-18 12:47:52,535 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1136 transitions. [2018-11-18 12:47:52,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 12:47:52,536 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:53,031 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:47:54,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:54,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 915 states and 1157 transitions. [2018-11-18 12:47:54,138 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1157 transitions. [2018-11-18 12:47:54,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 12:47:54,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:54,179 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:54,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:54,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 932 states and 1176 transitions. [2018-11-18 12:47:54,239 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1176 transitions. [2018-11-18 12:47:54,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 12:47:54,239 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:54,267 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:54,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:54,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 951 states and 1199 transitions. [2018-11-18 12:47:54,326 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1199 transitions. [2018-11-18 12:47:54,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 12:47:54,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:54,359 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 12:47:54,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:54,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 953 states and 1209 transitions. [2018-11-18 12:47:54,401 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1209 transitions. [2018-11-18 12:47:54,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 12:47:54,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:54,436 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 12:47:54,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:54,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 970 states and 1227 transitions. [2018-11-18 12:47:54,489 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1227 transitions. [2018-11-18 12:47:54,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 12:47:54,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:54,524 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 12:47:54,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:54,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 974 states and 1230 transitions. [2018-11-18 12:47:54,743 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1230 transitions. [2018-11-18 12:47:54,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 12:47:54,744 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:54,867 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:56,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:56,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 999 states and 1267 transitions. [2018-11-18 12:47:56,049 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1267 transitions. [2018-11-18 12:47:56,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 12:47:56,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:56,087 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:57,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:57,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1009 states and 1280 transitions. [2018-11-18 12:47:57,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1280 transitions. [2018-11-18 12:47:57,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 12:47:57,032 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:57,073 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-18 12:47:57,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:57,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1013 states and 1284 transitions. [2018-11-18 12:47:57,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1284 transitions. [2018-11-18 12:47:57,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 12:47:57,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:57,151 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:58,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:58,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1045 states and 1318 transitions. [2018-11-18 12:47:58,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1318 transitions. [2018-11-18 12:47:58,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 12:47:58,054 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:58,085 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:47:58,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:58,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1046 states and 1318 transitions. [2018-11-18 12:47:58,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1318 transitions. [2018-11-18 12:47:58,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 12:47:58,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:58,259 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-18 12:47:58,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:47:58,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1055 states and 1327 transitions. [2018-11-18 12:47:58,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1327 transitions. [2018-11-18 12:47:58,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 12:47:58,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:47:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:47:58,663 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 102 proven. 5 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 12:48:00,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:00,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1163 states and 1443 transitions. [2018-11-18 12:48:00,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1443 transitions. [2018-11-18 12:48:00,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 12:48:00,582 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:00,964 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:48:02,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:02,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1188 states and 1470 transitions. [2018-11-18 12:48:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1470 transitions. [2018-11-18 12:48:02,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 12:48:02,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:02,385 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2018-11-18 12:48:02,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:02,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1189 states and 1470 transitions. [2018-11-18 12:48:02,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1470 transitions. [2018-11-18 12:48:02,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 12:48:02,611 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:02,675 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2018-11-18 12:48:02,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:02,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1190 states and 1470 transitions. [2018-11-18 12:48:02,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1470 transitions. [2018-11-18 12:48:02,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 12:48:02,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:02,956 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2018-11-18 12:48:03,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:03,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1191 states and 1470 transitions. [2018-11-18 12:48:03,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1470 transitions. [2018-11-18 12:48:03,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 12:48:03,199 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:03,602 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:48:05,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:05,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 1260 states and 1549 transitions. [2018-11-18 12:48:05,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1549 transitions. [2018-11-18 12:48:05,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-18 12:48:05,120 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:05,188 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:48:06,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:06,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1291 states and 1580 transitions. [2018-11-18 12:48:06,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1580 transitions. [2018-11-18 12:48:06,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-18 12:48:06,358 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:06,403 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:48:06,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:06,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1310 states and 1598 transitions. [2018-11-18 12:48:06,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1598 transitions. [2018-11-18 12:48:06,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-18 12:48:06,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:06,749 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-18 12:48:07,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:07,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1336 states and 1628 transitions. [2018-11-18 12:48:07,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1628 transitions. [2018-11-18 12:48:07,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-18 12:48:07,487 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:07,528 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-18 12:48:08,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:08,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1347 states and 1639 transitions. [2018-11-18 12:48:08,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1639 transitions. [2018-11-18 12:48:08,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-18 12:48:08,075 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:08,114 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-18 12:48:08,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:08,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1354 states and 1645 transitions. [2018-11-18 12:48:08,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1645 transitions. [2018-11-18 12:48:08,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 12:48:08,371 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:08,415 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-11-18 12:48:08,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:08,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1360 states and 1650 transitions. [2018-11-18 12:48:08,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1650 transitions. [2018-11-18 12:48:08,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 12:48:08,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:08,600 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-11-18 12:48:08,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1364 states and 1653 transitions. [2018-11-18 12:48:08,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1653 transitions. [2018-11-18 12:48:08,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 12:48:08,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:08,763 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-18 12:48:09,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:09,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1378 states and 1668 transitions. [2018-11-18 12:48:09,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1668 transitions. [2018-11-18 12:48:09,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 12:48:09,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:09,554 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 153 proven. 10 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-18 12:48:10,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:10,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1389 states and 1680 transitions. [2018-11-18 12:48:10,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 1680 transitions. [2018-11-18 12:48:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 12:48:10,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:10,536 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-18 12:48:10,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:10,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1391 states and 1682 transitions. [2018-11-18 12:48:10,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1682 transitions. [2018-11-18 12:48:10,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 12:48:10,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-18 12:48:10,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:10,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1392 states and 1682 transitions. [2018-11-18 12:48:10,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1682 transitions. [2018-11-18 12:48:10,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 12:48:10,702 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:11,337 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 219 proven. 32 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:48:15,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:15,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1771 states to 1462 states and 1771 transitions. [2018-11-18 12:48:15,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1771 transitions. [2018-11-18 12:48:15,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 12:48:15,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:15,638 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-11-18 12:48:16,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:16,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1483 states and 1799 transitions. [2018-11-18 12:48:16,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1799 transitions. [2018-11-18 12:48:16,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 12:48:16,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:16,820 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 219 proven. 32 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:48:17,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:17,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1488 states and 1804 transitions. [2018-11-18 12:48:17,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1804 transitions. [2018-11-18 12:48:17,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 12:48:17,232 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:17,270 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-11-18 12:48:17,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:17,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1490 states and 1806 transitions. [2018-11-18 12:48:17,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 1806 transitions. [2018-11-18 12:48:17,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 12:48:17,318 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:17,413 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 219 proven. 32 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:48:18,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:18,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1509 states and 1826 transitions. [2018-11-18 12:48:18,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 1826 transitions. [2018-11-18 12:48:18,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 12:48:18,003 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:18,042 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-11-18 12:48:18,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:18,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1514 states and 1830 transitions. [2018-11-18 12:48:18,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1830 transitions. [2018-11-18 12:48:18,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 12:48:18,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:18,559 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 219 proven. 32 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:48:19,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:19,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 1565 states and 1884 transitions. [2018-11-18 12:48:19,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 1884 transitions. [2018-11-18 12:48:19,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 12:48:19,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:19,993 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 219 proven. 32 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:48:20,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:20,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1585 states and 1907 transitions. [2018-11-18 12:48:20,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 1907 transitions. [2018-11-18 12:48:20,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 12:48:20,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:20,702 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 219 proven. 32 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:48:21,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:21,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1586 states and 1907 transitions. [2018-11-18 12:48:21,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 1907 transitions. [2018-11-18 12:48:21,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-11-18 12:48:21,021 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:21,064 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-18 12:48:21,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:21,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1587 states and 1909 transitions. [2018-11-18 12:48:21,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 1909 transitions. [2018-11-18 12:48:21,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-18 12:48:21,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:21,411 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 225 proven. 4 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-18 12:48:21,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:21,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1589 states and 1912 transitions. [2018-11-18 12:48:21,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 1912 transitions. [2018-11-18 12:48:21,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-18 12:48:21,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:21,551 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 225 proven. 4 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-18 12:48:21,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:21,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 1597 states and 1918 transitions. [2018-11-18 12:48:21,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 1918 transitions. [2018-11-18 12:48:21,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-18 12:48:21,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:21,908 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 225 proven. 4 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-18 12:48:22,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:22,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1613 states and 1932 transitions. [2018-11-18 12:48:22,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1613 states and 1932 transitions. [2018-11-18 12:48:22,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 12:48:22,109 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-18 12:48:22,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:22,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1615 states and 1934 transitions. [2018-11-18 12:48:22,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 1934 transitions. [2018-11-18 12:48:22,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 12:48:22,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:22,315 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-18 12:48:23,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:23,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1628 states and 1952 transitions. [2018-11-18 12:48:23,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 1952 transitions. [2018-11-18 12:48:23,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-11-18 12:48:23,871 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:24,747 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:48:27,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:27,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 1696 states and 2027 transitions. [2018-11-18 12:48:27,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2027 transitions. [2018-11-18 12:48:27,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-11-18 12:48:27,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:27,172 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:48:27,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:27,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 1703 states and 2032 transitions. [2018-11-18 12:48:27,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2032 transitions. [2018-11-18 12:48:27,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-11-18 12:48:27,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:27,778 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-11-18 12:48:28,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:28,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 1712 states and 2040 transitions. [2018-11-18 12:48:28,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2040 transitions. [2018-11-18 12:48:28,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-11-18 12:48:28,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:28,527 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-11-18 12:48:28,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:28,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 1713 states and 2040 transitions. [2018-11-18 12:48:28,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2040 transitions. [2018-11-18 12:48:28,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-11-18 12:48:28,556 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:29,616 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 258 proven. 70 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-11-18 12:48:35,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:35,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 1778 states and 2127 transitions. [2018-11-18 12:48:35,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2127 transitions. [2018-11-18 12:48:35,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-11-18 12:48:35,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:35,626 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 258 proven. 70 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-11-18 12:48:36,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:36,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 1786 states and 2135 transitions. [2018-11-18 12:48:36,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2135 transitions. [2018-11-18 12:48:36,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-18 12:48:36,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:36,823 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 218 proven. 11 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-18 12:48:38,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:38,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 1805 states and 2161 transitions. [2018-11-18 12:48:38,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2161 transitions. [2018-11-18 12:48:38,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 12:48:38,328 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:39,001 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:48:40,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:40,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 1821 states and 2181 transitions. [2018-11-18 12:48:40,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2181 transitions. [2018-11-18 12:48:40,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 12:48:40,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:40,688 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:48:41,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:41,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 1824 states and 2183 transitions. [2018-11-18 12:48:41,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 2183 transitions. [2018-11-18 12:48:41,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-18 12:48:41,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:41,059 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-18 12:48:41,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:41,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1831 states and 2193 transitions. [2018-11-18 12:48:41,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2193 transitions. [2018-11-18 12:48:41,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-18 12:48:41,899 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:42,108 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 233 proven. 4 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-11-18 12:48:44,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:44,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2271 states to 1900 states and 2271 transitions. [2018-11-18 12:48:44,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1900 states and 2271 transitions. [2018-11-18 12:48:44,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 12:48:44,962 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:46,281 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-11-18 12:48:48,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:48,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2288 states to 1914 states and 2288 transitions. [2018-11-18 12:48:48,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2288 transitions. [2018-11-18 12:48:48,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 12:48:48,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:49,432 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:48:54,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:54,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 1984 states and 2373 transitions. [2018-11-18 12:48:54,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 2373 transitions. [2018-11-18 12:48:54,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 12:48:54,033 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:54,472 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:48:57,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:57,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2032 states and 2433 transitions. [2018-11-18 12:48:57,409 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2433 transitions. [2018-11-18 12:48:57,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 12:48:57,410 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:57,795 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:48:58,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:58,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2034 states and 2434 transitions. [2018-11-18 12:48:58,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 2434 transitions. [2018-11-18 12:48:58,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 12:48:58,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:58,692 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:48:59,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:48:59,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2453 states to 2053 states and 2453 transitions. [2018-11-18 12:48:59,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 2453 transitions. [2018-11-18 12:48:59,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 12:48:59,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:48:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:48:59,521 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:49:00,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:00,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 2069 states and 2469 transitions. [2018-11-18 12:49:00,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2469 transitions. [2018-11-18 12:49:00,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 12:49:00,299 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:00,709 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:49:01,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:01,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2086 states and 2487 transitions. [2018-11-18 12:49:01,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2086 states and 2487 transitions. [2018-11-18 12:49:01,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 12:49:01,768 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:02,165 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:49:02,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:02,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 2087 states and 2488 transitions. [2018-11-18 12:49:02,539 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 2488 transitions. [2018-11-18 12:49:02,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 12:49:02,540 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:02,897 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:49:03,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:03,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 2103 states and 2505 transitions. [2018-11-18 12:49:03,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 2505 transitions. [2018-11-18 12:49:03,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 12:49:03,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:03,549 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-11-18 12:49:04,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:04,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2541 states to 2137 states and 2541 transitions. [2018-11-18 12:49:04,609 INFO L276 IsEmpty]: Start isEmpty. Operand 2137 states and 2541 transitions. [2018-11-18 12:49:04,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-18 12:49:04,611 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:04,657 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-11-18 12:49:04,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:04,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2140 states and 2545 transitions. [2018-11-18 12:49:04,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2545 transitions. [2018-11-18 12:49:04,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-18 12:49:04,881 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:06,566 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 12:49:09,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:09,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2156 states and 2565 transitions. [2018-11-18 12:49:09,523 INFO L276 IsEmpty]: Start isEmpty. Operand 2156 states and 2565 transitions. [2018-11-18 12:49:09,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-18 12:49:09,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 12:49:10,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 2173 states and 2582 transitions. [2018-11-18 12:49:10,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2173 states and 2582 transitions. [2018-11-18 12:49:10,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-18 12:49:10,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:11,125 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 12:49:12,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:12,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2601 states to 2193 states and 2601 transitions. [2018-11-18 12:49:12,737 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 2601 transitions. [2018-11-18 12:49:12,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-18 12:49:12,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:14,199 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 12:49:15,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:15,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 2194 states and 2604 transitions. [2018-11-18 12:49:15,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2194 states and 2604 transitions. [2018-11-18 12:49:15,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-18 12:49:15,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:15,827 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 12:49:17,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:17,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2209 states and 2621 transitions. [2018-11-18 12:49:17,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2209 states and 2621 transitions. [2018-11-18 12:49:17,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-18 12:49:17,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:17,818 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 12:49:20,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:20,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2658 states to 2246 states and 2658 transitions. [2018-11-18 12:49:20,154 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 2658 transitions. [2018-11-18 12:49:20,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-18 12:49:20,155 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:20,954 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:49:22,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:22,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2257 states and 2671 transitions. [2018-11-18 12:49:22,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 2671 transitions. [2018-11-18 12:49:22,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-18 12:49:22,922 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:23,068 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:49:26,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:26,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2272 states and 2692 transitions. [2018-11-18 12:49:26,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2692 transitions. [2018-11-18 12:49:26,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-18 12:49:26,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:26,368 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:49:26,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:26,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2276 states and 2698 transitions. [2018-11-18 12:49:26,816 INFO L276 IsEmpty]: Start isEmpty. Operand 2276 states and 2698 transitions. [2018-11-18 12:49:26,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-18 12:49:26,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:26,961 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:49:27,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:27,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2702 states to 2280 states and 2702 transitions. [2018-11-18 12:49:27,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 2702 transitions. [2018-11-18 12:49:27,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-18 12:49:27,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:27,636 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 350 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 12:49:27,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:27,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2282 states and 2704 transitions. [2018-11-18 12:49:27,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2282 states and 2704 transitions. [2018-11-18 12:49:27,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-18 12:49:27,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:27,822 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 311 proven. 5 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-18 12:49:28,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:28,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2298 states and 2718 transitions. [2018-11-18 12:49:28,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2298 states and 2718 transitions. [2018-11-18 12:49:28,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-11-18 12:49:28,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:28,853 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-18 12:49:30,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:30,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2309 states and 2728 transitions. [2018-11-18 12:49:30,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 2728 transitions. [2018-11-18 12:49:30,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 12:49:30,021 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:30,883 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 489 proven. 5 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:49:33,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:33,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2331 states and 2755 transitions. [2018-11-18 12:49:33,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 2755 transitions. [2018-11-18 12:49:33,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 12:49:33,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:34,207 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 400 proven. 134 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 12:49:39,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:39,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 2373 states and 2817 transitions. [2018-11-18 12:49:39,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states and 2817 transitions. [2018-11-18 12:49:39,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 12:49:39,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:39,891 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 400 proven. 134 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 12:49:40,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:40,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2380 states and 2823 transitions. [2018-11-18 12:49:40,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2380 states and 2823 transitions. [2018-11-18 12:49:40,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 12:49:40,838 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:40,965 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 400 proven. 134 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 12:49:42,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:42,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2393 states and 2839 transitions. [2018-11-18 12:49:42,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2393 states and 2839 transitions. [2018-11-18 12:49:42,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 12:49:42,271 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:42,383 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 400 proven. 134 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 12:49:42,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:42,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2397 states and 2841 transitions. [2018-11-18 12:49:42,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2397 states and 2841 transitions. [2018-11-18 12:49:42,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-18 12:49:42,681 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:42,751 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-18 12:49:43,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:43,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2400 states and 2843 transitions. [2018-11-18 12:49:43,094 INFO L276 IsEmpty]: Start isEmpty. Operand 2400 states and 2843 transitions. [2018-11-18 12:49:43,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-18 12:49:43,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:43,165 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-18 12:49:44,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:44,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 2420 states and 2862 transitions. [2018-11-18 12:49:44,510 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 2862 transitions. [2018-11-18 12:49:44,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-18 12:49:44,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:46,984 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 507 proven. 5 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-18 12:49:59,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:49:59,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 2522 states and 2994 transitions. [2018-11-18 12:49:59,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 2994 transitions. [2018-11-18 12:49:59,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-18 12:49:59,691 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:49:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:49:59,868 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 507 proven. 5 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-18 12:50:03,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:03,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 2562 states and 3036 transitions. [2018-11-18 12:50:03,545 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 3036 transitions. [2018-11-18 12:50:03,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-18 12:50:03,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:04,498 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 466 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:50:05,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:05,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3046 states to 2571 states and 3046 transitions. [2018-11-18 12:50:05,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 3046 transitions. [2018-11-18 12:50:05,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-18 12:50:05,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:06,258 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 466 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:50:11,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:11,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 2605 states and 3083 transitions. [2018-11-18 12:50:11,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2605 states and 3083 transitions. [2018-11-18 12:50:11,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-18 12:50:11,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:11,566 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 204 proven. 15 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-11-18 12:50:13,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:13,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 2675 states and 3155 transitions. [2018-11-18 12:50:13,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2675 states and 3155 transitions. [2018-11-18 12:50:13,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-18 12:50:13,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:13,898 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 204 proven. 15 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-11-18 12:50:16,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:16,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2993 states to 2525 states and 2993 transitions. [2018-11-18 12:50:16,392 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 2993 transitions. [2018-11-18 12:50:16,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:50:16,393 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 156 iterations. [2018-11-18 12:50:16,399 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 12:50:16,553 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 47 [2018-11-18 12:50:16,693 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 47 [2018-11-18 12:50:16,826 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 36 [2018-11-18 12:50:16,965 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 46 [2018-11-18 12:50:17,071 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 34 [2018-11-18 12:50:17,297 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 26 [2018-11-18 12:50:17,454 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 36 [2018-11-18 12:50:17,589 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 36 [2018-11-18 12:50:17,886 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 47 [2018-11-18 12:50:18,031 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 36 [2018-11-18 12:50:18,227 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 36 [2018-11-18 12:50:18,371 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 36 [2018-11-18 12:50:18,568 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 47 [2018-11-18 12:50:18,746 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 36 [2018-11-18 12:50:18,896 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 45 [2018-11-18 12:50:19,000 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-11-18 12:50:19,133 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 47 [2018-11-18 12:50:19,312 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 46 [2018-11-18 12:50:19,430 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2018-11-18 12:50:19,548 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2018-11-18 12:50:19,756 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 47 [2018-11-18 12:50:19,913 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 45 [2018-11-18 12:50:20,163 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 26 [2018-11-18 12:50:20,306 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2018-11-18 12:50:20,533 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 47 [2018-11-18 12:50:20,703 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 36 [2018-11-18 12:50:20,972 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 47 [2018-11-18 12:50:21,174 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 47 [2018-11-18 12:50:21,306 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 47 [2018-11-18 12:50:21,512 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 26 [2018-11-18 12:50:21,670 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 46 [2018-11-18 12:50:21,832 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 46 [2018-11-18 12:50:22,029 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 46 [2018-11-18 12:50:22,204 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 47 [2018-11-18 12:50:22,354 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 36 [2018-11-18 12:50:22,573 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 53 [2018-11-18 12:50:22,758 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 46 [2018-11-18 12:50:22,891 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 46 [2018-11-18 12:50:23,016 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 34 [2018-11-18 12:50:23,159 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 34 [2018-11-18 12:50:23,263 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 34 [2018-11-18 12:50:23,429 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 47 [2018-11-18 12:50:23,549 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 36 [2018-11-18 12:50:23,549 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:50:23,551 INFO L579 CodeCheckObserver]: Invariant with dag size 26 [2018-11-18 12:50:23,556 INFO L579 CodeCheckObserver]: Invariant with dag size 26 [2018-11-18 12:50:23,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:50:23 ImpRootNode [2018-11-18 12:50:23,557 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:50:23,557 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:50:23,557 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:50:23,557 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:50:23,558 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:47:25" (3/4) ... [2018-11-18 12:50:23,563 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:50:23,574 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-18 12:50:23,575 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 12:50:23,576 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-18 12:50:23,576 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 12:50:23,653 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fb946acb-fc19-4979-954a-5f49f4b782cd/bin-2019/ukojak/witness.graphml [2018-11-18 12:50:23,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:50:23,654 INFO L168 Benchmark]: Toolchain (without parser) took 180434.00 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.8 GB). Free memory was 956.6 MB in the beginning and 2.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-11-18 12:50:23,654 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:50:23,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.54 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 919.0 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:50:23,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -204.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:50:23,655 INFO L168 Benchmark]: Boogie Preprocessor took 47.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:50:23,655 INFO L168 Benchmark]: RCFGBuilder took 1473.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.0 MB in the end (delta: 231.1 MB). Peak memory consumption was 231.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:50:23,655 INFO L168 Benchmark]: CodeCheck took 178292.58 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 887.0 MB in the beginning and 2.8 GB in the end (delta: -1.9 GB). Peak memory consumption was 3.6 GB. Max. memory is 11.5 GB. [2018-11-18 12:50:23,655 INFO L168 Benchmark]: Witness Printer took 95.91 ms. Allocated memory is still 4.8 GB. Free memory was 2.8 GB in the beginning and 2.7 GB in the end (delta: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:50:23,657 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 171.1s OverallTime, 156 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 138961228 SDtfs, 764725714 SDslu, 1001074242 SDs, 0 SdLazy, -1836483804 SolverSat, 114388768 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 472.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 196172 GetRequests, 189367 SyntacticMatches, 5057 SemanticMatches, 1748 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2285470 ImplicationChecksByTransitivity, 149.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 22.9s InterpolantComputationTime, 30515 NumberOfCodeBlocks, 30515 NumberOfCodeBlocksAsserted, 155 NumberOfCheckSat, 30360 ConstructedInterpolants, 0 QuantifiedInterpolants, 39780739 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 155 InterpolantComputations, 111 PerfectInterpolantSequences, 35768/37520 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: 521]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((a20 == 1 || !(a17 == 1)) || a8 == 15) || (((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a20 == 1 || a8 == 15) || (((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0)) || !(a17 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 406.54 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 919.0 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 114.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -204.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1473.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.0 MB in the end (delta: 231.1 MB). Peak memory consumption was 231.1 MB. Max. memory is 11.5 GB. * CodeCheck took 178292.58 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 887.0 MB in the beginning and 2.8 GB in the end (delta: -1.9 GB). Peak memory consumption was 3.6 GB. Max. memory is 11.5 GB. * Witness Printer took 95.91 ms. Allocated memory is still 4.8 GB. Free memory was 2.8 GB in the beginning and 2.7 GB in the end (delta: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...