./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_818d295c-766c-4e4a-926d-d816938054f4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_818d295c-766c-4e4a-926d-d816938054f4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_818d295c-766c-4e4a-926d-d816938054f4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_818d295c-766c-4e4a-926d-d816938054f4/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_818d295c-766c-4e4a-926d-d816938054f4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_818d295c-766c-4e4a-926d-d816938054f4/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-aa41828 [2018-11-23 05:21:50,325 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:21:50,327 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:21:50,335 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:21:50,336 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:21:50,337 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:21:50,338 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:21:50,339 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:21:50,340 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:21:50,341 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:21:50,342 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:21:50,342 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:21:50,343 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:21:50,344 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:21:50,345 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:21:50,346 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:21:50,347 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:21:50,348 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:21:50,350 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:21:50,351 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:21:50,352 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:21:50,353 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:21:50,356 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:21:50,356 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:21:50,356 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:21:50,357 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:21:50,357 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:21:50,358 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:21:50,359 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:21:50,360 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:21:50,360 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:21:50,360 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:21:50,361 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:21:50,361 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:21:50,361 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:21:50,362 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:21:50,362 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_818d295c-766c-4e4a-926d-d816938054f4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 05:21:50,375 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:21:50,375 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:21:50,376 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:21:50,376 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 05:21:50,376 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 05:21:50,377 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 05:21:50,377 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:21:50,377 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:21:50,377 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:21:50,377 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:21:50,378 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:21:50,378 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:21:50,379 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:21:50,379 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:21:50,379 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:21:50,379 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:21:50,380 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:21:50,380 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:21:50,380 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 05:21:50,380 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 05:21:50,380 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:21:50,381 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:21:50,381 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 05:21:50,381 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:21:50,381 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:21:50,381 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:21:50,381 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 05:21:50,382 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:21:50,382 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:21:50,383 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_818d295c-766c-4e4a-926d-d816938054f4/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 [2018-11-23 05:21:50,408 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:21:50,416 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:21:50,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:21:50,420 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:21:50,420 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:21:50,420 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_818d295c-766c-4e4a-926d-d816938054f4/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label42_true-unreach-call_false-termination.c [2018-11-23 05:21:50,469 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_818d295c-766c-4e4a-926d-d816938054f4/bin-2019/ukojak/data/01e846cc2/e5f7eb6b50974fa692fe42af265e771f/FLAGbfc3e1e5f [2018-11-23 05:21:50,871 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:21:50,872 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_818d295c-766c-4e4a-926d-d816938054f4/sv-benchmarks/c/eca-rers2012/Problem01_label42_true-unreach-call_false-termination.c [2018-11-23 05:21:50,882 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_818d295c-766c-4e4a-926d-d816938054f4/bin-2019/ukojak/data/01e846cc2/e5f7eb6b50974fa692fe42af265e771f/FLAGbfc3e1e5f [2018-11-23 05:21:51,231 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_818d295c-766c-4e4a-926d-d816938054f4/bin-2019/ukojak/data/01e846cc2/e5f7eb6b50974fa692fe42af265e771f [2018-11-23 05:21:51,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:21:51,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:21:51,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:21:51,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:21:51,239 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:21:51,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:21:51" (1/1) ... [2018-11-23 05:21:51,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aefdeee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:51, skipping insertion in model container [2018-11-23 05:21:51,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:21:51" (1/1) ... [2018-11-23 05:21:51,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:21:51,292 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:21:51,595 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:21:51,598 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:21:51,679 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:21:51,694 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:21:51,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:51 WrapperNode [2018-11-23 05:21:51,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:21:51,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:21:51,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:21:51,696 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:21:51,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:51" (1/1) ... [2018-11-23 05:21:51,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:51" (1/1) ... [2018-11-23 05:21:51,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:21:51,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:21:51,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:21:51,828 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:21:51,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:51" (1/1) ... [2018-11-23 05:21:51,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:51" (1/1) ... [2018-11-23 05:21:51,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:51" (1/1) ... [2018-11-23 05:21:51,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:51" (1/1) ... [2018-11-23 05:21:51,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:51" (1/1) ... [2018-11-23 05:21:51,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:51" (1/1) ... [2018-11-23 05:21:51,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:51" (1/1) ... [2018-11-23 05:21:51,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:21:51,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:21:51,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:21:51,880 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:21:51,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:21:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_818d295c-766c-4e4a-926d-d816938054f4/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 [2018-11-23 05:21:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 05:21:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:21:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:21:53,451 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:21:53,452 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 05:21:53,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:21:53 BoogieIcfgContainer [2018-11-23 05:21:53,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:21:53,453 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 05:21:53,453 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 05:21:53,462 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 05:21:53,462 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:21:53" (1/1) ... [2018-11-23 05:21:53,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:21:53,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:21:53,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-11-23 05:21:53,503 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-11-23 05:21:53,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 05:21:53,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:21:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:21:53,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:21:54,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:21:54,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 145 states and 231 transitions. [2018-11-23 05:21:54,229 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 231 transitions. [2018-11-23 05:21:54,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 05:21:54,231 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:21:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:21:54,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:21:54,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:21:54,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 218 states and 309 transitions. [2018-11-23 05:21:54,850 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 309 transitions. [2018-11-23 05:21:54,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 05:21:54,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:21:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:21:54,933 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:21:55,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:21:55,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 288 states and 383 transitions. [2018-11-23 05:21:55,373 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 383 transitions. [2018-11-23 05:21:55,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 05:21:55,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:21:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:21:55,417 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:21:55,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:21:55,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 295 states and 393 transitions. [2018-11-23 05:21:55,576 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 393 transitions. [2018-11-23 05:21:55,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 05:21:55,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:21:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:21:55,678 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:21:55,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:21:55,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 303 states and 405 transitions. [2018-11-23 05:21:55,927 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 405 transitions. [2018-11-23 05:21:55,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 05:21:55,931 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:21:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:21:55,957 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:21:56,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:21:56,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 310 states and 414 transitions. [2018-11-23 05:21:56,218 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 414 transitions. [2018-11-23 05:21:56,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 05:21:56,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:21:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:21:56,245 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:21:56,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:21:56,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 315 states and 419 transitions. [2018-11-23 05:21:56,296 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 419 transitions. [2018-11-23 05:21:56,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 05:21:56,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:21:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:21:56,331 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 05:21:56,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:21:56,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 319 states and 426 transitions. [2018-11-23 05:21:56,593 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 426 transitions. [2018-11-23 05:21:56,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 05:21:56,594 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:21:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:21:56,612 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:21:56,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:21:56,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 332 states and 442 transitions. [2018-11-23 05:21:56,974 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 442 transitions. [2018-11-23 05:21:56,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 05:21:56,975 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:21:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:21:57,040 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:21:57,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:21:57,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 341 states and 456 transitions. [2018-11-23 05:21:57,398 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 456 transitions. [2018-11-23 05:21:57,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 05:21:57,399 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:21:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:21:57,452 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:21:57,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:21:57,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 342 states and 458 transitions. [2018-11-23 05:21:57,576 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 458 transitions. [2018-11-23 05:21:57,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 05:21:57,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:21:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:21:57,681 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:21:58,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:21:58,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 356 states and 477 transitions. [2018-11-23 05:21:58,199 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 477 transitions. [2018-11-23 05:21:58,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 05:21:58,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:21:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:21:58,219 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:21:58,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:21:58,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 357 states and 479 transitions. [2018-11-23 05:21:58,234 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 479 transitions. [2018-11-23 05:21:58,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 05:21:58,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:21:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:21:58,312 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:21:58,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:21:58,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 365 states and 490 transitions. [2018-11-23 05:21:58,651 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 490 transitions. [2018-11-23 05:21:58,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 05:21:58,652 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:21:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:21:58,672 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:21:59,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:21:59,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 386 states and 519 transitions. [2018-11-23 05:21:59,367 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 519 transitions. [2018-11-23 05:21:59,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 05:21:59,368 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:21:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:21:59,390 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:21:59,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:21:59,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 390 states and 526 transitions. [2018-11-23 05:21:59,485 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 526 transitions. [2018-11-23 05:21:59,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 05:21:59,486 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:21:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:21:59,506 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 05:21:59,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:21:59,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 391 states and 526 transitions. [2018-11-23 05:21:59,595 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 526 transitions. [2018-11-23 05:21:59,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-23 05:21:59,596 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:21:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:21:59,611 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 05:21:59,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:21:59,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 404 states and 541 transitions. [2018-11-23 05:21:59,726 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 541 transitions. [2018-11-23 05:21:59,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-23 05:21:59,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:21:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:21:59,739 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:21:59,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:21:59,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 406 states and 544 transitions. [2018-11-23 05:21:59,865 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 544 transitions. [2018-11-23 05:21:59,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 05:21:59,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:21:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:21:59,883 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 05:22:00,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:00,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 417 states and 555 transitions. [2018-11-23 05:22:00,260 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 555 transitions. [2018-11-23 05:22:00,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 05:22:00,261 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:00,274 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 05:22:00,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:00,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 418 states and 555 transitions. [2018-11-23 05:22:00,346 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 555 transitions. [2018-11-23 05:22:00,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 05:22:00,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:00,407 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 05:22:00,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:00,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 426 states and 564 transitions. [2018-11-23 05:22:00,668 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 564 transitions. [2018-11-23 05:22:00,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 05:22:00,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:00,692 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 05:22:01,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:01,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 440 states and 579 transitions. [2018-11-23 05:22:01,078 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 579 transitions. [2018-11-23 05:22:01,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 05:22:01,079 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:01,179 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:22:01,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:01,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 464 states and 610 transitions. [2018-11-23 05:22:01,959 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 610 transitions. [2018-11-23 05:22:01,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 05:22:01,959 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:01,974 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 05:22:01,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:01,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 469 states and 615 transitions. [2018-11-23 05:22:01,994 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 615 transitions. [2018-11-23 05:22:01,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 05:22:01,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:02,008 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 05:22:02,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:02,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 472 states and 618 transitions. [2018-11-23 05:22:02,074 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 618 transitions. [2018-11-23 05:22:02,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 05:22:02,075 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:02,089 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:22:02,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:02,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 479 states and 627 transitions. [2018-11-23 05:22:02,302 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 627 transitions. [2018-11-23 05:22:02,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 05:22:02,303 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 05:22:02,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:02,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 481 states and 632 transitions. [2018-11-23 05:22:02,443 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 632 transitions. [2018-11-23 05:22:02,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 05:22:02,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:02,490 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:22:02,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:02,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 484 states and 636 transitions. [2018-11-23 05:22:02,515 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 636 transitions. [2018-11-23 05:22:02,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 05:22:02,516 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:02,536 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:22:02,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:02,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 487 states and 639 transitions. [2018-11-23 05:22:02,691 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 639 transitions. [2018-11-23 05:22:02,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 05:22:02,691 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:02,786 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:22:03,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:03,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 501 states and 658 transitions. [2018-11-23 05:22:03,360 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 658 transitions. [2018-11-23 05:22:03,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-23 05:22:03,361 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:03,384 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:22:03,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 515 states and 676 transitions. [2018-11-23 05:22:03,808 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 676 transitions. [2018-11-23 05:22:03,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-23 05:22:03,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:03,824 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:22:03,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:03,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 524 states and 685 transitions. [2018-11-23 05:22:03,871 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 685 transitions. [2018-11-23 05:22:03,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 05:22:03,871 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:04,302 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:22:06,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:06,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 549 states and 724 transitions. [2018-11-23 05:22:06,190 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 724 transitions. [2018-11-23 05:22:06,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 05:22:06,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:06,335 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:22:07,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:07,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 566 states and 745 transitions. [2018-11-23 05:22:07,271 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 745 transitions. [2018-11-23 05:22:07,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 05:22:07,272 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:07,287 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:22:07,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:07,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 582 states and 765 transitions. [2018-11-23 05:22:07,536 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 765 transitions. [2018-11-23 05:22:07,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-23 05:22:07,537 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:07,554 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 05:22:07,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:07,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 591 states and 776 transitions. [2018-11-23 05:22:07,705 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 776 transitions. [2018-11-23 05:22:07,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-23 05:22:07,706 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:08,041 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:22:08,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:08,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 605 states and 793 transitions. [2018-11-23 05:22:08,585 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 793 transitions. [2018-11-23 05:22:08,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 05:22:08,585 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:08,605 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 05:22:09,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:09,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 622 states and 813 transitions. [2018-11-23 05:22:09,110 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 813 transitions. [2018-11-23 05:22:09,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 05:22:09,110 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:09,132 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 05:22:09,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:09,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 630 states and 821 transitions. [2018-11-23 05:22:09,170 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 821 transitions. [2018-11-23 05:22:09,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 05:22:09,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:09,196 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 05:22:09,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:09,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 637 states and 832 transitions. [2018-11-23 05:22:09,730 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 832 transitions. [2018-11-23 05:22:09,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 05:22:09,731 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 05:22:10,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:10,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 646 states and 842 transitions. [2018-11-23 05:22:10,413 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 842 transitions. [2018-11-23 05:22:10,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-23 05:22:10,413 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:10,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:10,438 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 05:22:10,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:10,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 647 states and 843 transitions. [2018-11-23 05:22:10,459 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 843 transitions. [2018-11-23 05:22:10,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-23 05:22:10,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:10,484 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 05:22:10,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:10,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 648 states and 845 transitions. [2018-11-23 05:22:10,659 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 845 transitions. [2018-11-23 05:22:10,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-23 05:22:10,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:10,683 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 05:22:10,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:10,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 650 states and 847 transitions. [2018-11-23 05:22:10,923 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 847 transitions. [2018-11-23 05:22:10,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-23 05:22:10,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:10,955 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:22:12,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:12,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 659 states and 864 transitions. [2018-11-23 05:22:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 864 transitions. [2018-11-23 05:22:12,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-23 05:22:12,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:12,221 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:22:13,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:13,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 676 states and 882 transitions. [2018-11-23 05:22:13,134 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 882 transitions. [2018-11-23 05:22:13,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-23 05:22:13,135 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:13,154 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:22:13,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:13,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 678 states and 884 transitions. [2018-11-23 05:22:13,265 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 884 transitions. [2018-11-23 05:22:13,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-23 05:22:13,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:13,407 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:22:13,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:13,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 680 states and 886 transitions. [2018-11-23 05:22:13,894 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 886 transitions. [2018-11-23 05:22:13,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-23 05:22:13,894 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:13,915 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:22:14,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:14,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 683 states and 888 transitions. [2018-11-23 05:22:14,114 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 888 transitions. [2018-11-23 05:22:14,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-23 05:22:14,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:14,132 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 05:22:14,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:14,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 686 states and 891 transitions. [2018-11-23 05:22:14,267 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 891 transitions. [2018-11-23 05:22:14,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 05:22:14,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:14,283 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 05:22:14,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 687 states and 892 transitions. [2018-11-23 05:22:14,295 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 892 transitions. [2018-11-23 05:22:14,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 05:22:14,296 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:14,436 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:22:14,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:14,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 696 states and 906 transitions. [2018-11-23 05:22:14,746 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 906 transitions. [2018-11-23 05:22:14,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 05:22:14,747 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:14,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:14,794 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:22:15,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:15,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 709 states and 924 transitions. [2018-11-23 05:22:15,041 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 924 transitions. [2018-11-23 05:22:15,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 05:22:15,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:15,358 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:22:16,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:16,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 754 states and 974 transitions. [2018-11-23 05:22:16,938 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 974 transitions. [2018-11-23 05:22:16,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-23 05:22:16,938 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:16,965 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:22:18,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:18,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 771 states and 995 transitions. [2018-11-23 05:22:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 995 transitions. [2018-11-23 05:22:18,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-23 05:22:18,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:18,284 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:22:18,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:18,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 805 states and 1031 transitions. [2018-11-23 05:22:18,615 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1031 transitions. [2018-11-23 05:22:18,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 05:22:18,616 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:18,845 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 05:22:19,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:19,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 814 states and 1046 transitions. [2018-11-23 05:22:19,999 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1046 transitions. [2018-11-23 05:22:19,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 05:22:19,999 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:20,016 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 05:22:20,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:20,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 827 states and 1059 transitions. [2018-11-23 05:22:20,051 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1059 transitions. [2018-11-23 05:22:20,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 05:22:20,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:20,068 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 05:22:20,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:20,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 829 states and 1061 transitions. [2018-11-23 05:22:20,084 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1061 transitions. [2018-11-23 05:22:20,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 05:22:20,085 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 05:22:20,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:20,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 839 states and 1072 transitions. [2018-11-23 05:22:20,744 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1072 transitions. [2018-11-23 05:22:20,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 05:22:20,745 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:20,771 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 05:22:20,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:20,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 840 states and 1072 transitions. [2018-11-23 05:22:20,932 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1072 transitions. [2018-11-23 05:22:20,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 05:22:20,933 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:21,202 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 05:22:22,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:22,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 879 states and 1115 transitions. [2018-11-23 05:22:22,205 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1115 transitions. [2018-11-23 05:22:22,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 05:22:22,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:22,228 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:22:22,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:22,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 884 states and 1121 transitions. [2018-11-23 05:22:22,288 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1121 transitions. [2018-11-23 05:22:22,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-23 05:22:22,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:22,317 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 05:22:22,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:22,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 897 states and 1138 transitions. [2018-11-23 05:22:22,721 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1138 transitions. [2018-11-23 05:22:22,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-23 05:22:22,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:23,216 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 05:22:24,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:24,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 910 states and 1157 transitions. [2018-11-23 05:22:24,313 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1157 transitions. [2018-11-23 05:22:24,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-23 05:22:24,313 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:24,350 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:22:24,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:24,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 927 states and 1176 transitions. [2018-11-23 05:22:24,402 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1176 transitions. [2018-11-23 05:22:24,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 05:22:24,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:24,431 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:22:24,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:24,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 946 states and 1199 transitions. [2018-11-23 05:22:24,488 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1199 transitions. [2018-11-23 05:22:24,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-23 05:22:24,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:24,595 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:22:25,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:25,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 958 states and 1224 transitions. [2018-11-23 05:22:25,522 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1224 transitions. [2018-11-23 05:22:25,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-23 05:22:25,523 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:25,570 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:22:25,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:25,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 959 states and 1226 transitions. [2018-11-23 05:22:25,827 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1226 transitions. [2018-11-23 05:22:25,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-23 05:22:25,828 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:25,862 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 05:22:26,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:26,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 966 states and 1233 transitions. [2018-11-23 05:22:26,416 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1233 transitions. [2018-11-23 05:22:26,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 05:22:26,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:26,440 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 05:22:26,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:26,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 973 states and 1242 transitions. [2018-11-23 05:22:26,712 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1242 transitions. [2018-11-23 05:22:26,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 05:22:26,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:26,742 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 05:22:26,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:26,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 976 states and 1244 transitions. [2018-11-23 05:22:26,790 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1244 transitions. [2018-11-23 05:22:26,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 05:22:26,791 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:26,818 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 05:22:26,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:26,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 978 states and 1245 transitions. [2018-11-23 05:22:26,858 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1245 transitions. [2018-11-23 05:22:26,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 05:22:26,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:26,891 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-23 05:22:26,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:26,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 980 states and 1255 transitions. [2018-11-23 05:22:26,940 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1255 transitions. [2018-11-23 05:22:26,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 05:22:26,940 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:26,970 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 05:22:27,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:27,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 997 states and 1273 transitions. [2018-11-23 05:22:27,024 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1273 transitions. [2018-11-23 05:22:27,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-23 05:22:27,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:27,063 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 05:22:27,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:27,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1001 states and 1276 transitions. [2018-11-23 05:22:27,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1276 transitions. [2018-11-23 05:22:27,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 05:22:27,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:27,326 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:22:27,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1013 states and 1288 transitions. [2018-11-23 05:22:27,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1288 transitions. [2018-11-23 05:22:27,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 05:22:27,427 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:27,467 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:22:27,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:27,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1016 states and 1292 transitions. [2018-11-23 05:22:27,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1292 transitions. [2018-11-23 05:22:27,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 05:22:27,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:27,912 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:22:28,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:28,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1018 states and 1296 transitions. [2018-11-23 05:22:28,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1296 transitions. [2018-11-23 05:22:28,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 05:22:28,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:28,176 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:22:28,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:28,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1019 states and 1297 transitions. [2018-11-23 05:22:28,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1297 transitions. [2018-11-23 05:22:28,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 05:22:28,400 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:28,427 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-23 05:22:28,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:28,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1023 states and 1301 transitions. [2018-11-23 05:22:28,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1301 transitions. [2018-11-23 05:22:28,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 05:22:28,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:28,479 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:22:29,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:29,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1048 states and 1326 transitions. [2018-11-23 05:22:29,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1326 transitions. [2018-11-23 05:22:29,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 05:22:29,120 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:29,148 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:22:29,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:29,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1053 states and 1331 transitions. [2018-11-23 05:22:29,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1331 transitions. [2018-11-23 05:22:29,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 05:22:29,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:29,337 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-23 05:22:29,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:29,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1066 states and 1345 transitions. [2018-11-23 05:22:29,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1345 transitions. [2018-11-23 05:22:29,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 05:22:29,777 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:29,848 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 98 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 05:22:31,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:31,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1172 states and 1460 transitions. [2018-11-23 05:22:31,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1460 transitions. [2018-11-23 05:22:31,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-23 05:22:31,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:32,271 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 05:22:33,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:33,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1197 states and 1487 transitions. [2018-11-23 05:22:33,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1487 transitions. [2018-11-23 05:22:33,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 05:22:33,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:33,702 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-11-23 05:22:33,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:33,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1198 states and 1487 transitions. [2018-11-23 05:22:33,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1487 transitions. [2018-11-23 05:22:33,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 05:22:33,923 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:33,981 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-11-23 05:22:34,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:34,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1199 states and 1487 transitions. [2018-11-23 05:22:34,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1487 transitions. [2018-11-23 05:22:34,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 05:22:34,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:34,286 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-11-23 05:22:34,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:34,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1200 states and 1487 transitions. [2018-11-23 05:22:34,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1487 transitions. [2018-11-23 05:22:34,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-23 05:22:34,560 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:35,003 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 05:22:36,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:36,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1268 states and 1565 transitions. [2018-11-23 05:22:36,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1565 transitions. [2018-11-23 05:22:36,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-23 05:22:36,509 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:36,562 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 05:22:37,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:37,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1290 states and 1588 transitions. [2018-11-23 05:22:37,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1588 transitions. [2018-11-23 05:22:37,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-23 05:22:37,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:37,217 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 05:22:38,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:38,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1301 states and 1598 transitions. [2018-11-23 05:22:38,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1598 transitions. [2018-11-23 05:22:38,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-23 05:22:38,035 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:38,092 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 05:22:38,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:38,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1318 states and 1614 transitions. [2018-11-23 05:22:38,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1614 transitions. [2018-11-23 05:22:38,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-11-23 05:22:38,351 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-23 05:22:39,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:39,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1335 states and 1637 transitions. [2018-11-23 05:22:39,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1637 transitions. [2018-11-23 05:22:39,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-11-23 05:22:39,309 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:39,348 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-23 05:22:39,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:39,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1342 states and 1642 transitions. [2018-11-23 05:22:39,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1642 transitions. [2018-11-23 05:22:39,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-11-23 05:22:39,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:39,931 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-23 05:22:40,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:40,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1349 states and 1648 transitions. [2018-11-23 05:22:40,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1648 transitions. [2018-11-23 05:22:40,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-23 05:22:40,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:40,241 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-11-23 05:22:40,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:40,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1355 states and 1653 transitions. [2018-11-23 05:22:40,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1653 transitions. [2018-11-23 05:22:40,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-23 05:22:40,380 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:40,487 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-11-23 05:22:40,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:40,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1359 states and 1656 transitions. [2018-11-23 05:22:40,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1656 transitions. [2018-11-23 05:22:40,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-23 05:22:40,642 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:40,676 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-23 05:22:41,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:41,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1367 states and 1667 transitions. [2018-11-23 05:22:41,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1667 transitions. [2018-11-23 05:22:41,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-23 05:22:41,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:41,208 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-23 05:22:41,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:41,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1371 states and 1670 transitions. [2018-11-23 05:22:41,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1670 transitions. [2018-11-23 05:22:41,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-23 05:22:41,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:41,453 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-23 05:22:41,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:41,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1372 states and 1670 transitions. [2018-11-23 05:22:41,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1670 transitions. [2018-11-23 05:22:41,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-23 05:22:41,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:41,825 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-11-23 05:22:42,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:42,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1383 states and 1682 transitions. [2018-11-23 05:22:42,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1682 transitions. [2018-11-23 05:22:42,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-23 05:22:42,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:42,716 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-23 05:22:43,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:43,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1395 states and 1703 transitions. [2018-11-23 05:22:43,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1703 transitions. [2018-11-23 05:22:43,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-23 05:22:43,371 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:43,409 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-23 05:22:43,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:43,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1399 states and 1706 transitions. [2018-11-23 05:22:43,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1706 transitions. [2018-11-23 05:22:43,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-23 05:22:43,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:43,747 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-23 05:22:43,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:43,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1403 states and 1710 transitions. [2018-11-23 05:22:43,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1710 transitions. [2018-11-23 05:22:43,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-23 05:22:43,775 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:43,811 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-23 05:22:44,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:44,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1407 states and 1714 transitions. [2018-11-23 05:22:44,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 1714 transitions. [2018-11-23 05:22:44,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-23 05:22:44,101 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:44,137 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-23 05:22:44,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:44,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1408 states and 1714 transitions. [2018-11-23 05:22:44,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1714 transitions. [2018-11-23 05:22:44,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-23 05:22:44,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:44,318 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-23 05:22:44,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:44,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1409 states and 1714 transitions. [2018-11-23 05:22:44,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1714 transitions. [2018-11-23 05:22:44,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-23 05:22:44,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:44,659 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-11-23 05:22:44,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:44,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 1412 states and 1716 transitions. [2018-11-23 05:22:44,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1716 transitions. [2018-11-23 05:22:44,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-23 05:22:44,696 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:45,468 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 214 proven. 32 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 05:22:49,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:49,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1481 states and 1798 transitions. [2018-11-23 05:22:49,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 1798 transitions. [2018-11-23 05:22:49,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-23 05:22:49,406 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:49,531 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 214 proven. 32 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 05:22:49,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:49,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1507 states and 1822 transitions. [2018-11-23 05:22:49,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1822 transitions. [2018-11-23 05:22:49,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-23 05:22:49,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:50,028 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-23 05:22:50,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:50,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1515 states and 1830 transitions. [2018-11-23 05:22:50,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1830 transitions. [2018-11-23 05:22:50,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-11-23 05:22:50,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:50,506 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 221 proven. 3 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-23 05:22:50,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:50,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1533 states and 1847 transitions. [2018-11-23 05:22:50,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1847 transitions. [2018-11-23 05:22:50,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-23 05:22:50,701 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:50,763 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 301 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-23 05:22:52,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:52,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1545 states and 1863 transitions. [2018-11-23 05:22:52,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1863 transitions. [2018-11-23 05:22:52,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-23 05:22:52,362 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:52,421 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-23 05:22:52,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:52,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1547 states and 1865 transitions. [2018-11-23 05:22:52,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 1865 transitions. [2018-11-23 05:22:52,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-23 05:22:52,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:53,589 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 247 proven. 70 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-23 05:22:58,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:58,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1589 states and 1928 transitions. [2018-11-23 05:22:58,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 1928 transitions. [2018-11-23 05:22:58,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-23 05:22:58,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:22:58,770 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 247 proven. 70 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-23 05:22:59,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:22:59,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 1600 states and 1937 transitions. [2018-11-23 05:22:59,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 1937 transitions. [2018-11-23 05:22:59,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-23 05:22:59,914 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:22:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:01,103 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 247 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 05:23:04,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:04,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 1669 states and 2019 transitions. [2018-11-23 05:23:04,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2019 transitions. [2018-11-23 05:23:04,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-23 05:23:04,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:04,990 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 247 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 05:23:05,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:05,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 1671 states and 2021 transitions. [2018-11-23 05:23:05,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2021 transitions. [2018-11-23 05:23:05,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-23 05:23:05,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:05,373 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-11-23 05:23:06,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:06,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2029 states to 1680 states and 2029 transitions. [2018-11-23 05:23:06,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2029 transitions. [2018-11-23 05:23:06,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-23 05:23:06,181 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:06,252 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 255 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-23 05:23:11,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:11,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 1769 states and 2150 transitions. [2018-11-23 05:23:11,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2150 transitions. [2018-11-23 05:23:11,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-23 05:23:11,322 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:11,443 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 255 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-23 05:23:15,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:15,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 1819 states and 2203 transitions. [2018-11-23 05:23:15,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2203 transitions. [2018-11-23 05:23:15,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-23 05:23:15,090 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:15,169 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 255 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-23 05:23:15,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:15,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 1823 states and 2206 transitions. [2018-11-23 05:23:15,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2206 transitions. [2018-11-23 05:23:15,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-23 05:23:15,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:15,516 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 255 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-23 05:23:15,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:15,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 1829 states and 2211 transitions. [2018-11-23 05:23:15,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2211 transitions. [2018-11-23 05:23:15,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-23 05:23:15,891 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:15,970 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 255 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-23 05:23:16,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:16,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1831 states and 2212 transitions. [2018-11-23 05:23:16,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2212 transitions. [2018-11-23 05:23:16,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-23 05:23:16,008 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:16,081 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 255 proven. 3 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-23 05:23:16,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:16,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 1834 states and 2214 transitions. [2018-11-23 05:23:16,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 2214 transitions. [2018-11-23 05:23:16,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-23 05:23:16,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:16,404 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 212 proven. 10 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-11-23 05:23:18,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:18,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 1853 states and 2241 transitions. [2018-11-23 05:23:18,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2241 transitions. [2018-11-23 05:23:18,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-11-23 05:23:18,040 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:18,094 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-11-23 05:23:18,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:18,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 1855 states and 2244 transitions. [2018-11-23 05:23:18,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2244 transitions. [2018-11-23 05:23:18,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 05:23:18,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:19,115 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 05:23:20,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:20,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2265 states to 1873 states and 2265 transitions. [2018-11-23 05:23:20,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1873 states and 2265 transitions. [2018-11-23 05:23:20,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-23 05:23:20,732 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:20,806 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 225 proven. 3 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-11-23 05:23:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:23,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 1944 states and 2344 transitions. [2018-11-23 05:23:23,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1944 states and 2344 transitions. [2018-11-23 05:23:23,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 05:23:23,614 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:25,363 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 05:23:28,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:28,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2361 states to 1957 states and 2361 transitions. [2018-11-23 05:23:28,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 2361 transitions. [2018-11-23 05:23:28,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 05:23:28,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:28,996 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 05:23:30,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:30,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 1980 states and 2383 transitions. [2018-11-23 05:23:30,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1980 states and 2383 transitions. [2018-11-23 05:23:30,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-11-23 05:23:30,492 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:30,538 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-11-23 05:23:30,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:30,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 1983 states and 2387 transitions. [2018-11-23 05:23:30,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 2387 transitions. [2018-11-23 05:23:30,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 05:23:30,757 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:32,435 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 05:23:37,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:37,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 2029 states and 2436 transitions. [2018-11-23 05:23:37,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2029 states and 2436 transitions. [2018-11-23 05:23:37,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 05:23:37,647 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:37,785 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 05:23:38,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:38,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2038 states and 2444 transitions. [2018-11-23 05:23:38,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2444 transitions. [2018-11-23 05:23:38,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 05:23:38,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:40,066 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 05:23:43,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:43,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2463 states to 2054 states and 2463 transitions. [2018-11-23 05:23:43,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2463 transitions. [2018-11-23 05:23:43,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 05:23:43,239 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:43,374 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 05:23:46,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:46,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2087 states and 2497 transitions. [2018-11-23 05:23:46,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 2497 transitions. [2018-11-23 05:23:46,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 05:23:46,176 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:46,308 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 05:23:48,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:48,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 2121 states and 2530 transitions. [2018-11-23 05:23:48,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2530 transitions. [2018-11-23 05:23:48,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-23 05:23:48,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:49,509 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 241 proven. 8 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-11-23 05:23:51,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:51,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2132 states and 2544 transitions. [2018-11-23 05:23:51,287 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2544 transitions. [2018-11-23 05:23:51,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-23 05:23:51,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:51,531 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 05:23:51,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:51,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2134 states and 2546 transitions. [2018-11-23 05:23:51,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 2546 transitions. [2018-11-23 05:23:51,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-23 05:23:51,629 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:52,547 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2018-11-23 05:23:54,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:54,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2590 states to 2176 states and 2590 transitions. [2018-11-23 05:23:54,148 INFO L276 IsEmpty]: Start isEmpty. Operand 2176 states and 2590 transitions. [2018-11-23 05:23:54,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-23 05:23:54,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:23:55,658 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-11-23 05:23:59,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:23:59,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2224 states and 2643 transitions. [2018-11-23 05:23:59,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2224 states and 2643 transitions. [2018-11-23 05:23:59,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-23 05:23:59,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:23:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:24:00,356 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 05:24:01,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:24:01,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2230 states and 2651 transitions. [2018-11-23 05:24:01,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 2651 transitions. [2018-11-23 05:24:01,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-11-23 05:24:01,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:24:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:24:03,385 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 363 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-11-23 05:24:07,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:24:07,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2713 states to 2290 states and 2713 transitions. [2018-11-23 05:24:07,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 2713 transitions. [2018-11-23 05:24:07,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-11-23 05:24:07,921 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:24:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:24:08,088 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 363 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-11-23 05:24:08,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:24:08,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2295 states and 2717 transitions. [2018-11-23 05:24:08,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 2717 transitions. [2018-11-23 05:24:08,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-11-23 05:24:08,665 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:24:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:24:09,548 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 387 proven. 128 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-23 05:24:15,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:24:15,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2336 states and 2777 transitions. [2018-11-23 05:24:15,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 2777 transitions. [2018-11-23 05:24:15,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-11-23 05:24:15,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:24:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:24:15,679 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 387 proven. 128 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-23 05:24:17,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:24:17,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 2355 states and 2800 transitions. [2018-11-23 05:24:17,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 2800 transitions. [2018-11-23 05:24:17,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-11-23 05:24:17,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:24:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:24:17,572 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 387 proven. 128 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-23 05:24:18,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:24:18,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2358 states and 2801 transitions. [2018-11-23 05:24:18,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2358 states and 2801 transitions. [2018-11-23 05:24:18,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-11-23 05:24:18,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:24:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:24:18,310 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 387 proven. 128 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-23 05:24:18,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:24:18,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2360 states and 2801 transitions. [2018-11-23 05:24:18,398 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 2801 transitions. [2018-11-23 05:24:18,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-23 05:24:18,399 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:24:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:24:18,467 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 437 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-23 05:24:19,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:24:19,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2810 states to 2371 states and 2810 transitions. [2018-11-23 05:24:19,383 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 2810 transitions. [2018-11-23 05:24:19,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-23 05:24:19,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:24:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:24:21,855 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 05:24:36,018 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-11-23 05:24:36,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:24:36,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 2479 states and 2949 transitions. [2018-11-23 05:24:36,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 2949 transitions. [2018-11-23 05:24:36,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-23 05:24:36,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:24:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:24:36,755 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 437 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-23 05:24:37,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:24:37,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2954 states to 2485 states and 2954 transitions. [2018-11-23 05:24:37,178 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 2954 transitions. [2018-11-23 05:24:37,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-23 05:24:37,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:24:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:24:37,296 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 196 proven. 12 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-11-23 05:24:41,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:24:41,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 2555 states and 3025 transitions. [2018-11-23 05:24:41,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3025 transitions. [2018-11-23 05:24:41,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-23 05:24:41,497 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 05:24:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:24:41,615 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 196 proven. 12 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-11-23 05:24:42,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 05:24:42,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2865 states to 2406 states and 2865 transitions. [2018-11-23 05:24:42,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 2865 transitions. [2018-11-23 05:24:42,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 05:24:42,176 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 156 iterations. [2018-11-23 05:24:42,183 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 05:24:42,332 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 46 [2018-11-23 05:24:42,471 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 46 [2018-11-23 05:24:42,604 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 36 [2018-11-23 05:24:42,743 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 46 [2018-11-23 05:24:42,859 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 34 [2018-11-23 05:24:43,002 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 33 [2018-11-23 05:24:43,249 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 36 [2018-11-23 05:24:43,382 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2018-11-23 05:24:43,697 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 47 [2018-11-23 05:24:44,001 WARN L180 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 36 [2018-11-23 05:24:44,193 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 36 [2018-11-23 05:24:44,334 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 36 [2018-11-23 05:24:44,538 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 47 [2018-11-23 05:24:44,728 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 36 [2018-11-23 05:24:44,889 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 45 [2018-11-23 05:24:45,008 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 34 [2018-11-23 05:24:45,187 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 47 [2018-11-23 05:24:45,378 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 46 [2018-11-23 05:24:45,487 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 46 [2018-11-23 05:24:45,597 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 46 [2018-11-23 05:24:45,810 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 46 [2018-11-23 05:24:45,980 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 45 [2018-11-23 05:24:46,116 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 46 [2018-11-23 05:24:46,396 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 47 [2018-11-23 05:24:46,566 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 36 [2018-11-23 05:24:46,847 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 47 [2018-11-23 05:24:47,067 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 47 [2018-11-23 05:24:47,243 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 47 [2018-11-23 05:24:47,499 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 46 [2018-11-23 05:24:47,758 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 46 [2018-11-23 05:24:47,959 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 46 [2018-11-23 05:24:48,144 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 46 [2018-11-23 05:24:48,287 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 36 [2018-11-23 05:24:48,497 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 59 [2018-11-23 05:24:48,699 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 46 [2018-11-23 05:24:48,836 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 46 [2018-11-23 05:24:48,967 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 34 [2018-11-23 05:24:49,122 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 34 [2018-11-23 05:24:49,241 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 34 [2018-11-23 05:24:49,422 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 47 [2018-11-23 05:24:49,533 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 36 [2018-11-23 05:24:49,533 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 05:24:49,535 INFO L579 CodeCheckObserver]: Invariant with dag size 26 [2018-11-23 05:24:49,542 INFO L579 CodeCheckObserver]: Invariant with dag size 26 [2018-11-23 05:24:49,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 05:24:49 ImpRootNode [2018-11-23 05:24:49,544 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 05:24:49,544 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:24:49,544 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:24:49,544 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:24:49,544 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:21:53" (3/4) ... [2018-11-23 05:24:49,548 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 05:24:49,563 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-11-23 05:24:49,564 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 05:24:49,565 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 05:24:49,566 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 05:24:49,663 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_818d295c-766c-4e4a-926d-d816938054f4/bin-2019/ukojak/witness.graphml [2018-11-23 05:24:49,663 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:24:49,664 INFO L168 Benchmark]: Toolchain (without parser) took 178429.59 ms. Allocated memory was 1.0 GB in the beginning and 4.7 GB in the end (delta: 3.7 GB). Free memory was 945.7 MB in the beginning and 1.7 GB in the end (delta: -796.2 MB). Peak memory consumption was 2.9 GB. Max. memory is 11.5 GB. [2018-11-23 05:24:49,664 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:24:49,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.79 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 913.5 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-23 05:24:49,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 913.5 MB in the beginning and 1.1 GB in the end (delta: -184.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-23 05:24:49,665 INFO L168 Benchmark]: Boogie Preprocessor took 51.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-23 05:24:49,665 INFO L168 Benchmark]: RCFGBuilder took 1572.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 858.5 MB in the end (delta: 231.7 MB). Peak memory consumption was 231.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:24:49,665 INFO L168 Benchmark]: CodeCheck took 176090.97 ms. Allocated memory was 1.1 GB in the beginning and 4.7 GB in the end (delta: 3.6 GB). Free memory was 858.5 MB in the beginning and 1.7 GB in the end (delta: -883.4 MB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. [2018-11-23 05:24:49,665 INFO L168 Benchmark]: Witness Printer took 119.19 ms. Allocated memory is still 4.7 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 36.2 kB). Peak memory consumption was 36.2 kB. Max. memory is 11.5 GB. [2018-11-23 05:24:49,667 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, 198 locations, 1 error locations. SAFE Result, 168.6s OverallTime, 156 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 172237932 SDtfs, 1051014248 SDslu, 1214570240 SDs, 0 SdLazy, -546640980 SolverSat, 891483368 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 472.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183309 GetRequests, 178234 SyntacticMatches, 3341 SemanticMatches, 1734 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2157087 ImplicationChecksByTransitivity, 149.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 24.1s InterpolantComputationTime, 28309 NumberOfCodeBlocks, 28309 NumberOfCodeBlocksAsserted, 155 NumberOfCheckSat, 28154 ConstructedInterpolants, 0 QuantifiedInterpolants, 27351379 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 155 InterpolantComputations, 126 PerfectInterpolantSequences, 31999/32901 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 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 459.79 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 913.5 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 132.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 913.5 MB in the beginning and 1.1 GB in the end (delta: -184.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1572.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 858.5 MB in the end (delta: 231.7 MB). Peak memory consumption was 231.7 MB. Max. memory is 11.5 GB. * CodeCheck took 176090.97 ms. Allocated memory was 1.1 GB in the beginning and 4.7 GB in the end (delta: 3.6 GB). Free memory was 858.5 MB in the beginning and 1.7 GB in the end (delta: -883.4 MB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. * Witness Printer took 119.19 ms. Allocated memory is still 4.7 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 36.2 kB). Peak memory consumption was 36.2 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...