./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_84aa463f-4c77-4bc7-b1d1-38375cf3d01c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_84aa463f-4c77-4bc7-b1d1-38375cf3d01c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_84aa463f-4c77-4bc7-b1d1-38375cf3d01c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_84aa463f-4c77-4bc7-b1d1-38375cf3d01c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_84aa463f-4c77-4bc7-b1d1-38375cf3d01c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_84aa463f-4c77-4bc7-b1d1-38375cf3d01c/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 785a7f7444547118219ac2dc565afc7f15fbca51 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-09 22:38:29,426 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 22:38:29,427 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 22:38:29,433 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 22:38:29,433 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 22:38:29,434 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 22:38:29,435 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 22:38:29,436 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 22:38:29,437 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 22:38:29,438 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 22:38:29,438 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 22:38:29,439 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 22:38:29,439 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 22:38:29,440 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 22:38:29,440 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 22:38:29,441 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 22:38:29,442 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 22:38:29,443 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 22:38:29,444 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 22:38:29,445 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 22:38:29,446 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 22:38:29,447 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 22:38:29,448 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 22:38:29,448 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 22:38:29,449 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 22:38:29,449 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 22:38:29,450 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 22:38:29,451 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 22:38:29,451 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 22:38:29,452 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 22:38:29,452 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 22:38:29,452 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 22:38:29,453 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 22:38:29,453 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 22:38:29,453 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 22:38:29,454 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 22:38:29,454 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_84aa463f-4c77-4bc7-b1d1-38375cf3d01c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-09 22:38:29,464 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 22:38:29,464 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 22:38:29,465 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-09 22:38:29,465 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-09 22:38:29,465 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 22:38:29,465 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 22:38:29,466 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 22:38:29,466 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 22:38:29,466 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-09 22:38:29,466 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 22:38:29,466 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 22:38:29,466 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-09 22:38:29,467 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-09 22:38:29,467 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-09 22:38:29,467 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 22:38:29,467 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 22:38:29,467 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-09 22:38:29,467 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-09 22:38:29,467 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-09 22:38:29,468 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 22:38:29,468 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-09 22:38:29,468 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-09 22:38:29,468 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 22:38:29,468 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-09 22:38:29,468 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-09 22:38:29,468 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-09 22:38:29,468 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-09 22:38:29,469 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-09 22:38:29,469 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_84aa463f-4c77-4bc7-b1d1-38375cf3d01c/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 -> 785a7f7444547118219ac2dc565afc7f15fbca51 [2018-11-09 22:38:29,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 22:38:29,500 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 22:38:29,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 22:38:29,504 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 22:38:29,504 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 22:38:29,505 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_84aa463f-4c77-4bc7-b1d1-38375cf3d01c/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c [2018-11-09 22:38:29,547 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_84aa463f-4c77-4bc7-b1d1-38375cf3d01c/bin-2019/ukojak/data/43806491f/8f7716f0c7b6430388200eee086f15d3/FLAG8c67fa334 [2018-11-09 22:38:29,984 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 22:38:29,985 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_84aa463f-4c77-4bc7-b1d1-38375cf3d01c/sv-benchmarks/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c [2018-11-09 22:38:29,994 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_84aa463f-4c77-4bc7-b1d1-38375cf3d01c/bin-2019/ukojak/data/43806491f/8f7716f0c7b6430388200eee086f15d3/FLAG8c67fa334 [2018-11-09 22:38:30,005 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_84aa463f-4c77-4bc7-b1d1-38375cf3d01c/bin-2019/ukojak/data/43806491f/8f7716f0c7b6430388200eee086f15d3 [2018-11-09 22:38:30,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 22:38:30,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-09 22:38:30,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 22:38:30,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 22:38:30,012 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 22:38:30,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:38:30" (1/1) ... [2018-11-09 22:38:30,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:30, skipping insertion in model container [2018-11-09 22:38:30,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:38:30" (1/1) ... [2018-11-09 22:38:30,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 22:38:30,057 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 22:38:30,300 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 22:38:30,302 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 22:38:30,367 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 22:38:30,379 INFO L193 MainTranslator]: Completed translation [2018-11-09 22:38:30,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:30 WrapperNode [2018-11-09 22:38:30,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 22:38:30,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-09 22:38:30,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-09 22:38:30,381 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-09 22:38:30,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:30" (1/1) ... [2018-11-09 22:38:30,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:30" (1/1) ... [2018-11-09 22:38:30,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-09 22:38:30,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 22:38:30,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 22:38:30,497 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 22:38:30,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:30" (1/1) ... [2018-11-09 22:38:30,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:30" (1/1) ... [2018-11-09 22:38:30,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:30" (1/1) ... [2018-11-09 22:38:30,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:30" (1/1) ... [2018-11-09 22:38:30,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:30" (1/1) ... [2018-11-09 22:38:30,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:30" (1/1) ... [2018-11-09 22:38:30,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:30" (1/1) ... [2018-11-09 22:38:30,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 22:38:30,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 22:38:30,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 22:38:30,540 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 22:38:30,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:38:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_84aa463f-4c77-4bc7-b1d1-38375cf3d01c/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 [2018-11-09 22:38:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-09 22:38:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 22:38:30,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 22:38:32,226 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 22:38:32,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:38:32 BoogieIcfgContainer [2018-11-09 22:38:32,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 22:38:32,227 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-09 22:38:32,227 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-09 22:38:32,236 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-09 22:38:32,236 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:38:32" (1/1) ... [2018-11-09 22:38:32,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 22:38:32,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:32,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-09 22:38:32,280 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-09 22:38:32,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-09 22:38:32,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:32,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:38:32,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:32,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 147 states and 222 transitions. [2018-11-09 22:38:32,914 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 222 transitions. [2018-11-09 22:38:32,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-09 22:38:32,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:32,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-09 22:38:33,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:33,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 148 states and 223 transitions. [2018-11-09 22:38:33,104 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 223 transitions. [2018-11-09 22:38:33,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-09 22:38:33,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:33,139 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:38:33,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:33,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 154 states and 233 transitions. [2018-11-09 22:38:33,225 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 233 transitions. [2018-11-09 22:38:33,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-09 22:38:33,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:33,339 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:38:33,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:33,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 225 states and 314 transitions. [2018-11-09 22:38:33,731 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 314 transitions. [2018-11-09 22:38:33,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-09 22:38:33,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:33,859 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:38:34,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:34,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 236 states and 332 transitions. [2018-11-09 22:38:34,160 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 332 transitions. [2018-11-09 22:38:34,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-09 22:38:34,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:34,217 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-09 22:38:34,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:34,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 248 states and 349 transitions. [2018-11-09 22:38:34,669 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 349 transitions. [2018-11-09 22:38:34,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-09 22:38:34,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:34,695 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-09 22:38:34,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:34,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 254 states and 355 transitions. [2018-11-09 22:38:34,907 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 355 transitions. [2018-11-09 22:38:34,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-09 22:38:34,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:34,932 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-09 22:38:35,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:35,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 266 states and 370 transitions. [2018-11-09 22:38:35,144 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 370 transitions. [2018-11-09 22:38:35,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-09 22:38:35,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:35,159 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 22:38:35,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:35,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 268 states and 372 transitions. [2018-11-09 22:38:35,178 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 372 transitions. [2018-11-09 22:38:35,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-09 22:38:35,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:35,218 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 22:38:35,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:35,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 272 states and 377 transitions. [2018-11-09 22:38:35,374 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 377 transitions. [2018-11-09 22:38:35,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-09 22:38:35,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:35,419 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 22:38:35,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:35,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 274 states and 378 transitions. [2018-11-09 22:38:35,537 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 378 transitions. [2018-11-09 22:38:35,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-09 22:38:35,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:35,614 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-09 22:38:35,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:35,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 282 states and 387 transitions. [2018-11-09 22:38:35,757 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 387 transitions. [2018-11-09 22:38:35,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-09 22:38:35,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:35,884 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 22:38:36,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:36,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 287 states and 393 transitions. [2018-11-09 22:38:36,174 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 393 transitions. [2018-11-09 22:38:36,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-09 22:38:36,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:36,273 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:38:36,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:36,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 306 states and 415 transitions. [2018-11-09 22:38:36,601 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 415 transitions. [2018-11-09 22:38:36,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-09 22:38:36,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:36,749 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 22:38:37,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:37,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 312 states and 428 transitions. [2018-11-09 22:38:37,433 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 428 transitions. [2018-11-09 22:38:37,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-09 22:38:37,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:37,471 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 22:38:37,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:37,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 313 states and 428 transitions. [2018-11-09 22:38:37,599 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 428 transitions. [2018-11-09 22:38:37,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-09 22:38:37,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:37,625 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-09 22:38:37,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:37,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 328 states and 445 transitions. [2018-11-09 22:38:37,801 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 445 transitions. [2018-11-09 22:38:37,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-09 22:38:37,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:37,839 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-09 22:38:38,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:38,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 330 states and 446 transitions. [2018-11-09 22:38:38,044 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 446 transitions. [2018-11-09 22:38:38,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-09 22:38:38,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:38,162 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:38:38,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:38,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 346 states and 464 transitions. [2018-11-09 22:38:38,457 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 464 transitions. [2018-11-09 22:38:38,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-09 22:38:38,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:38,572 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 22:38:38,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:38,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 360 states and 479 transitions. [2018-11-09 22:38:38,776 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 479 transitions. [2018-11-09 22:38:38,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-09 22:38:38,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:38,806 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 22:38:38,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:38,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 363 states and 483 transitions. [2018-11-09 22:38:38,963 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 483 transitions. [2018-11-09 22:38:38,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-09 22:38:38,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:39,273 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 22:38:39,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:39,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 381 states and 503 transitions. [2018-11-09 22:38:39,864 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 503 transitions. [2018-11-09 22:38:39,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-09 22:38:39,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:39,890 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-09 22:38:40,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:40,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 395 states and 523 transitions. [2018-11-09 22:38:40,401 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 523 transitions. [2018-11-09 22:38:40,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-09 22:38:40,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:40,426 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-09 22:38:40,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:40,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 401 states and 529 transitions. [2018-11-09 22:38:40,684 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 529 transitions. [2018-11-09 22:38:40,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-09 22:38:40,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:40,892 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 22:38:41,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:41,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 411 states and 544 transitions. [2018-11-09 22:38:41,733 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 544 transitions. [2018-11-09 22:38:41,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-09 22:38:41,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:41,818 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 22:38:42,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:42,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 425 states and 561 transitions. [2018-11-09 22:38:42,068 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 561 transitions. [2018-11-09 22:38:42,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-09 22:38:42,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:42,104 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-09 22:38:42,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:42,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 436 states and 572 transitions. [2018-11-09 22:38:42,168 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 572 transitions. [2018-11-09 22:38:42,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-09 22:38:42,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:42,462 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 22:38:43,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:43,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 481 states and 621 transitions. [2018-11-09 22:38:43,985 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 621 transitions. [2018-11-09 22:38:43,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-09 22:38:43,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:44,222 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-09 22:38:45,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:45,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 488 states and 635 transitions. [2018-11-09 22:38:45,062 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 635 transitions. [2018-11-09 22:38:45,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-09 22:38:45,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:45,442 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-09 22:38:46,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:46,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 531 states and 689 transitions. [2018-11-09 22:38:46,999 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 689 transitions. [2018-11-09 22:38:47,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-09 22:38:47,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:47,124 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-09 22:38:47,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:47,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 542 states and 701 transitions. [2018-11-09 22:38:47,829 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 701 transitions. [2018-11-09 22:38:47,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-09 22:38:47,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:47,966 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 22:38:50,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:50,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 592 states and 759 transitions. [2018-11-09 22:38:50,080 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 759 transitions. [2018-11-09 22:38:50,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-09 22:38:50,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:50,134 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 22:38:50,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:50,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 627 states and 793 transitions. [2018-11-09 22:38:50,751 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 793 transitions. [2018-11-09 22:38:50,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-09 22:38:50,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:50,775 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 22:38:50,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:50,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 632 states and 801 transitions. [2018-11-09 22:38:50,981 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 801 transitions. [2018-11-09 22:38:50,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-09 22:38:50,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:51,012 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-09 22:38:51,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:51,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 639 states and 808 transitions. [2018-11-09 22:38:51,062 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 808 transitions. [2018-11-09 22:38:51,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-09 22:38:51,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:51,495 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:38:52,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:52,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 650 states and 824 transitions. [2018-11-09 22:38:52,484 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 824 transitions. [2018-11-09 22:38:52,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-09 22:38:52,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:52,566 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:38:52,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:52,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 656 states and 831 transitions. [2018-11-09 22:38:52,826 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 831 transitions. [2018-11-09 22:38:52,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-09 22:38:52,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:52,852 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-09 22:38:53,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:53,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 706 states and 886 transitions. [2018-11-09 22:38:53,429 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 886 transitions. [2018-11-09 22:38:53,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-09 22:38:53,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:53,758 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:38:54,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:54,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 731 states and 913 transitions. [2018-11-09 22:38:54,866 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 913 transitions. [2018-11-09 22:38:54,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-09 22:38:54,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:54,907 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-09 22:38:55,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:55,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 735 states and 916 transitions. [2018-11-09 22:38:55,058 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 916 transitions. [2018-11-09 22:38:55,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-09 22:38:55,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:55,514 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:38:57,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:57,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 774 states and 967 transitions. [2018-11-09 22:38:57,250 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 967 transitions. [2018-11-09 22:38:57,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-09 22:38:57,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:57,335 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:38:57,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:57,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 805 states and 997 transitions. [2018-11-09 22:38:57,711 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 997 transitions. [2018-11-09 22:38:57,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-09 22:38:57,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:57,879 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-09 22:38:58,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:58,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 817 states and 1014 transitions. [2018-11-09 22:38:58,555 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1014 transitions. [2018-11-09 22:38:58,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-09 22:38:58,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:58,591 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:38:58,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:58,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 837 states and 1036 transitions. [2018-11-09 22:38:58,764 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1036 transitions. [2018-11-09 22:38:58,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-09 22:38:58,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:59,033 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 70 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:38:59,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:59,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 848 states and 1050 transitions. [2018-11-09 22:38:59,547 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1050 transitions. [2018-11-09 22:38:59,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-09 22:38:59,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:38:59,645 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 70 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:38:59,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:38:59,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 849 states and 1050 transitions. [2018-11-09 22:38:59,775 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1050 transitions. [2018-11-09 22:38:59,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-09 22:38:59,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:38:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:00,086 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 102 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-09 22:39:00,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:00,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 858 states and 1061 transitions. [2018-11-09 22:39:00,872 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1061 transitions. [2018-11-09 22:39:00,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-09 22:39:00,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:00,968 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 102 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-09 22:39:01,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:01,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 860 states and 1063 transitions. [2018-11-09 22:39:01,131 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1063 transitions. [2018-11-09 22:39:01,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-09 22:39:01,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:01,213 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-09 22:39:01,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:01,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 878 states and 1084 transitions. [2018-11-09 22:39:01,713 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1084 transitions. [2018-11-09 22:39:01,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-09 22:39:01,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:01,829 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-09 22:39:02,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:02,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 880 states and 1088 transitions. [2018-11-09 22:39:02,129 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1088 transitions. [2018-11-09 22:39:02,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-09 22:39:02,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:02,329 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 82 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:39:03,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:03,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 899 states and 1113 transitions. [2018-11-09 22:39:03,200 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1113 transitions. [2018-11-09 22:39:03,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-09 22:39:03,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:03,250 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-09 22:39:03,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:03,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 901 states and 1115 transitions. [2018-11-09 22:39:03,457 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1115 transitions. [2018-11-09 22:39:03,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-09 22:39:03,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:03,507 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-09 22:39:04,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:04,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 905 states and 1119 transitions. [2018-11-09 22:39:04,012 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1119 transitions. [2018-11-09 22:39:04,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-09 22:39:04,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:04,068 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-09 22:39:04,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:04,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 965 states and 1182 transitions. [2018-11-09 22:39:04,604 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1182 transitions. [2018-11-09 22:39:04,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-09 22:39:04,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:04,663 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-09 22:39:05,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:05,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 971 states and 1187 transitions. [2018-11-09 22:39:05,071 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1187 transitions. [2018-11-09 22:39:05,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-09 22:39:05,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:05,109 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 101 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-09 22:39:06,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:06,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 1040 states and 1262 transitions. [2018-11-09 22:39:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1262 transitions. [2018-11-09 22:39:06,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-09 22:39:06,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:06,739 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-09 22:39:07,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:07,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1043 states and 1265 transitions. [2018-11-09 22:39:07,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1265 transitions. [2018-11-09 22:39:07,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-09 22:39:07,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:07,775 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 167 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:39:10,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:10,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1086 states and 1318 transitions. [2018-11-09 22:39:10,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1318 transitions. [2018-11-09 22:39:10,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-09 22:39:10,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 167 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:39:10,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:10,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1088 states and 1319 transitions. [2018-11-09 22:39:10,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1319 transitions. [2018-11-09 22:39:10,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-09 22:39:10,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:11,200 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 117 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 22:39:12,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:12,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1122 states and 1368 transitions. [2018-11-09 22:39:12,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1368 transitions. [2018-11-09 22:39:12,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-09 22:39:12,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:12,989 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 117 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 22:39:13,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:13,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1138 states and 1390 transitions. [2018-11-09 22:39:13,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1390 transitions. [2018-11-09 22:39:13,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-09 22:39:13,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:14,076 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 117 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 22:39:14,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:14,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1152 states and 1403 transitions. [2018-11-09 22:39:14,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1403 transitions. [2018-11-09 22:39:14,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-09 22:39:14,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:14,468 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-09 22:39:15,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:15,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1162 states and 1415 transitions. [2018-11-09 22:39:15,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1415 transitions. [2018-11-09 22:39:15,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-09 22:39:15,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:15,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:15,524 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:39:18,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:18,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1182 states and 1447 transitions. [2018-11-09 22:39:18,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1447 transitions. [2018-11-09 22:39:18,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-09 22:39:18,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:18,439 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:39:18,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:18,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1186 states and 1450 transitions. [2018-11-09 22:39:18,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1450 transitions. [2018-11-09 22:39:18,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-09 22:39:18,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:18,979 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-09 22:39:19,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:19,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1188 states and 1451 transitions. [2018-11-09 22:39:19,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1451 transitions. [2018-11-09 22:39:19,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-09 22:39:19,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:19,470 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 160 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:39:20,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:20,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1216 states and 1482 transitions. [2018-11-09 22:39:20,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1482 transitions. [2018-11-09 22:39:20,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-09 22:39:20,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:21,286 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-09 22:39:22,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:22,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1248 states and 1521 transitions. [2018-11-09 22:39:22,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1521 transitions. [2018-11-09 22:39:22,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-09 22:39:22,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:23,370 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:39:27,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:27,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1302 states and 1588 transitions. [2018-11-09 22:39:27,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1588 transitions. [2018-11-09 22:39:27,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-09 22:39:27,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:27,682 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:39:28,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:28,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1309 states and 1594 transitions. [2018-11-09 22:39:28,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1594 transitions. [2018-11-09 22:39:28,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-09 22:39:28,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:28,927 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-09 22:39:29,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:29,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1311 states and 1595 transitions. [2018-11-09 22:39:29,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1595 transitions. [2018-11-09 22:39:29,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-09 22:39:29,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:29,250 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-09 22:39:29,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:29,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1323 states and 1610 transitions. [2018-11-09 22:39:29,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1610 transitions. [2018-11-09 22:39:29,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-09 22:39:29,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:30,654 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 22:39:31,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:31,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1336 states and 1625 transitions. [2018-11-09 22:39:31,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1625 transitions. [2018-11-09 22:39:31,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-09 22:39:31,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:31,948 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 22:39:32,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:32,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1337 states and 1625 transitions. [2018-11-09 22:39:32,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1625 transitions. [2018-11-09 22:39:32,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-09 22:39:32,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:32,594 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-09 22:39:33,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:33,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1340 states and 1627 transitions. [2018-11-09 22:39:33,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1627 transitions. [2018-11-09 22:39:33,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-09 22:39:33,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:33,173 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-09 22:39:34,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:34,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1360 states and 1655 transitions. [2018-11-09 22:39:34,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1655 transitions. [2018-11-09 22:39:34,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-09 22:39:34,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:35,060 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:39:36,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:36,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1377 states and 1672 transitions. [2018-11-09 22:39:36,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1672 transitions. [2018-11-09 22:39:36,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-09 22:39:36,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:37,090 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 22:39:37,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:37,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1382 states and 1678 transitions. [2018-11-09 22:39:37,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1678 transitions. [2018-11-09 22:39:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-09 22:39:37,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:38,422 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-09 22:39:41,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:41,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1427 states and 1724 transitions. [2018-11-09 22:39:41,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 1724 transitions. [2018-11-09 22:39:41,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-09 22:39:41,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:41,607 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-09 22:39:42,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:42,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1430 states and 1727 transitions. [2018-11-09 22:39:42,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1727 transitions. [2018-11-09 22:39:42,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-09 22:39:42,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:42,416 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-09 22:39:43,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:43,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 1498 states and 1797 transitions. [2018-11-09 22:39:43,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 1797 transitions. [2018-11-09 22:39:43,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-09 22:39:43,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:43,236 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-09 22:39:44,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:44,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1569 states and 1872 transitions. [2018-11-09 22:39:44,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 1872 transitions. [2018-11-09 22:39:44,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-09 22:39:44,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:45,361 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-09 22:39:52,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:52,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1625 states and 1952 transitions. [2018-11-09 22:39:52,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 1952 transitions. [2018-11-09 22:39:52,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-09 22:39:52,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:52,865 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-09 22:39:55,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:55,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1983 states to 1652 states and 1983 transitions. [2018-11-09 22:39:55,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1983 transitions. [2018-11-09 22:39:55,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-09 22:39:55,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:55,566 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-09 22:39:56,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:56,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1661 states and 1994 transitions. [2018-11-09 22:39:56,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 1994 transitions. [2018-11-09 22:39:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-09 22:39:56,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:56,655 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-09 22:39:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:58,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 1728 states and 2061 transitions. [2018-11-09 22:39:58,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 2061 transitions. [2018-11-09 22:39:58,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-09 22:39:58,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:39:58,370 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-09 22:39:59,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:39:59,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 1745 states and 2077 transitions. [2018-11-09 22:39:59,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2077 transitions. [2018-11-09 22:39:59,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-09 22:39:59,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:39:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:00,443 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 274 proven. 50 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-09 22:40:03,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:03,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 1794 states and 2135 transitions. [2018-11-09 22:40:03,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2135 transitions. [2018-11-09 22:40:03,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-09 22:40:03,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:40:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:04,537 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-09 22:40:09,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:09,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 1839 states and 2191 transitions. [2018-11-09 22:40:09,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2191 transitions. [2018-11-09 22:40:09,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-09 22:40:09,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:40:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:09,621 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-09 22:40:10,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:10,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1845 states and 2196 transitions. [2018-11-09 22:40:10,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 2196 transitions. [2018-11-09 22:40:10,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-09 22:40:10,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:40:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:10,896 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-09 22:40:11,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:11,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 1849 states and 2202 transitions. [2018-11-09 22:40:11,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2202 transitions. [2018-11-09 22:40:11,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-09 22:40:11,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:40:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:12,226 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-09 22:40:12,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:12,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 1852 states and 2206 transitions. [2018-11-09 22:40:12,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2206 transitions. [2018-11-09 22:40:12,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-09 22:40:12,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:40:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:13,105 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-09 22:40:14,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:14,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 1857 states and 2216 transitions. [2018-11-09 22:40:14,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2216 transitions. [2018-11-09 22:40:14,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-09 22:40:14,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:40:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:14,585 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-09 22:40:15,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:15,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 1871 states and 2229 transitions. [2018-11-09 22:40:15,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2229 transitions. [2018-11-09 22:40:15,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-09 22:40:15,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:40:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:16,308 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 342 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-09 22:40:22,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:22,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 1914 states and 2287 transitions. [2018-11-09 22:40:22,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2287 transitions. [2018-11-09 22:40:22,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-09 22:40:22,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:40:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:23,816 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-09 22:40:25,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:25,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2297 states to 1921 states and 2297 transitions. [2018-11-09 22:40:25,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 2297 transitions. [2018-11-09 22:40:25,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-09 22:40:25,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:40:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-09 22:40:27,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:27,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2306 states to 1930 states and 2306 transitions. [2018-11-09 22:40:27,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states and 2306 transitions. [2018-11-09 22:40:27,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-09 22:40:27,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:40:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:27,489 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-09 22:40:30,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:30,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2339 states to 1965 states and 2339 transitions. [2018-11-09 22:40:30,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2339 transitions. [2018-11-09 22:40:30,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-09 22:40:30,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:40:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:30,289 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 320 proven. 14 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-11-09 22:40:31,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:31,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 1970 states and 2343 transitions. [2018-11-09 22:40:31,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1970 states and 2343 transitions. [2018-11-09 22:40:31,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-09 22:40:31,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:40:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:33,653 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-09 22:40:38,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:38,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 2008 states and 2385 transitions. [2018-11-09 22:40:38,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2008 states and 2385 transitions. [2018-11-09 22:40:38,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-09 22:40:38,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:40:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:38,463 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-09 22:40:39,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:39,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2393 states to 2018 states and 2393 transitions. [2018-11-09 22:40:39,661 INFO L276 IsEmpty]: Start isEmpty. Operand 2018 states and 2393 transitions. [2018-11-09 22:40:39,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-09 22:40:39,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:40:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:39,821 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-09 22:40:40,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:40,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 2032 states and 2406 transitions. [2018-11-09 22:40:40,320 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2406 transitions. [2018-11-09 22:40:40,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-09 22:40:40,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:40:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:40,966 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-09 22:40:42,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:42,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2055 states and 2434 transitions. [2018-11-09 22:40:42,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2055 states and 2434 transitions. [2018-11-09 22:40:42,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-09 22:40:42,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:40:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:43,033 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-09 22:40:44,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:44,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2074 states and 2457 transitions. [2018-11-09 22:40:44,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2457 transitions. [2018-11-09 22:40:44,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-09 22:40:44,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:40:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:44,893 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-09 22:40:47,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:47,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 2107 states and 2492 transitions. [2018-11-09 22:40:47,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 2492 transitions. [2018-11-09 22:40:47,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-09 22:40:47,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:40:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:47,799 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-09 22:40:49,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:49,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2124 states and 2512 transitions. [2018-11-09 22:40:49,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 2512 transitions. [2018-11-09 22:40:49,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-09 22:40:49,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:40:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:49,595 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 350 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-09 22:40:49,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:49,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 2126 states and 2514 transitions. [2018-11-09 22:40:49,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 2514 transitions. [2018-11-09 22:40:49,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-09 22:40:49,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:40:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:50,020 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 296 proven. 6 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-11-09 22:40:50,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:50,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2133 states and 2523 transitions. [2018-11-09 22:40:50,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2523 transitions. [2018-11-09 22:40:50,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-11-09 22:40:50,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 22:40:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 22:40:50,687 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 444 proven. 12 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2018-11-09 22:40:51,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 22:40:51,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 1994 states and 2372 transitions. [2018-11-09 22:40:51,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2372 transitions. [2018-11-09 22:40:51,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-09 22:40:51,617 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 110 iterations. [2018-11-09 22:40:51,622 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-09 22:40:51,815 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 51 [2018-11-09 22:40:51,965 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 50 [2018-11-09 22:40:52,135 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 51 [2018-11-09 22:40:52,288 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 51 [2018-11-09 22:40:52,451 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2018-11-09 22:40:52,646 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 46 [2018-11-09 22:40:52,909 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2018-11-09 22:40:53,079 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 51 [2018-11-09 22:40:53,434 WARN L179 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 55 [2018-11-09 22:40:53,588 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2018-11-09 22:40:53,811 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 49 [2018-11-09 22:40:53,994 WARN L179 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 49 [2018-11-09 22:40:54,269 WARN L179 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 55 [2018-11-09 22:40:54,531 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 51 [2018-11-09 22:40:54,675 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2018-11-09 22:40:54,835 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 46 [2018-11-09 22:40:55,026 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 57 [2018-11-09 22:40:55,229 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 51 [2018-11-09 22:40:55,378 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2018-11-09 22:40:55,528 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 49 [2018-11-09 22:40:55,743 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 50 [2018-11-09 22:40:55,927 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2018-11-09 22:40:56,165 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2018-11-09 22:40:56,468 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 57 [2018-11-09 22:40:56,671 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 49 [2018-11-09 22:40:56,975 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 57 [2018-11-09 22:40:57,272 WARN L179 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 57 [2018-11-09 22:40:57,482 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 57 [2018-11-09 22:40:57,702 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 23 [2018-11-09 22:40:57,904 WARN L179 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 55 [2018-11-09 22:40:58,089 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 51 [2018-11-09 22:40:58,349 WARN L179 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 52 [2018-11-09 22:40:58,569 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 51 [2018-11-09 22:40:58,769 WARN L179 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 51 [2018-11-09 22:40:59,034 WARN L179 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 65 [2018-11-09 22:40:59,256 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 50 [2018-11-09 22:40:59,405 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 51 [2018-11-09 22:40:59,583 WARN L179 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 51 [2018-11-09 22:40:59,789 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 46 [2018-11-09 22:40:59,945 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 46 [2018-11-09 22:41:00,126 WARN L179 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 55 [2018-11-09 22:41:00,276 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 49 [2018-11-09 22:41:00,301 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-09 22:41:00,303 INFO L582 CodeCheckObserver]: Invariant with dag size 23 [2018-11-09 22:41:00,308 INFO L582 CodeCheckObserver]: Invariant with dag size 23 [2018-11-09 22:41:00,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 10:41:00 ImpRootNode [2018-11-09 22:41:00,309 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-09 22:41:00,309 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 22:41:00,309 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 22:41:00,309 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 22:41:00,310 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:38:32" (3/4) ... [2018-11-09 22:41:00,312 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-09 22:41:00,328 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-09 22:41:00,329 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-09 22:41:00,330 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-09 22:41:00,331 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-09 22:41:00,437 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_84aa463f-4c77-4bc7-b1d1-38375cf3d01c/bin-2019/ukojak/witness.graphml [2018-11-09 22:41:00,437 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 22:41:00,437 INFO L168 Benchmark]: Toolchain (without parser) took 150429.52 ms. Allocated memory was 1.0 GB in the beginning and 3.7 GB in the end (delta: 2.7 GB). Free memory was 946.8 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-09 22:41:00,438 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-09 22:41:00,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.77 ms. Allocated memory is still 1.0 GB. Free memory was 946.8 MB in the beginning and 917.3 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-09 22:41:00,438 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 917.3 MB in the beginning and 1.2 GB in the end (delta: -237.6 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-09 22:41:00,439 INFO L168 Benchmark]: Boogie Preprocessor took 42.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-09 22:41:00,439 INFO L168 Benchmark]: RCFGBuilder took 1687.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 917.8 MB in the end (delta: 230.3 MB). Peak memory consumption was 230.3 MB. Max. memory is 11.5 GB. [2018-11-09 22:41:00,439 INFO L168 Benchmark]: CodeCheck took 148081.93 ms. Allocated memory was 1.2 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 917.8 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2018-11-09 22:41:00,439 INFO L168 Benchmark]: Witness Printer took 127.64 ms. Allocated memory is still 3.7 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. [2018-11-09 22:41:00,441 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 139.3s OverallTime, 110 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1769959412 SDtfs, 1210511456 SDslu, 172542042 SDs, 0 SdLazy, -1981935812 SolverSat, -1680449022 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 302.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 128607 GetRequests, 122012 SyntacticMatches, 5223 SemanticMatches, 1372 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1439651 ImplicationChecksByTransitivity, 121.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 20.8s InterpolantComputationTime, 19558 NumberOfCodeBlocks, 19558 NumberOfCodeBlocksAsserted, 109 NumberOfCheckSat, 19449 ConstructedInterpolants, 0 QuantifiedInterpolants, 32271924 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 109 InterpolantComputations, 70 PerfectInterpolantSequences, 19915/20991 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: 500]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (!(a16 == 5) || ((((a7 == 1 && a21 <= 0) && a17 == 1) && a12 == 8) && a20 == 1)) || !(a8 == 13) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (!(a16 == 5) || ((((a7 == 1 && a21 <= 0) && a17 == 1) && a12 == 8) && a20 == 1)) || !(a8 == 13) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 370.77 ms. Allocated memory is still 1.0 GB. Free memory was 946.8 MB in the beginning and 917.3 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 116.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 917.3 MB in the beginning and 1.2 GB in the end (delta: -237.6 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1687.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 917.8 MB in the end (delta: 230.3 MB). Peak memory consumption was 230.3 MB. Max. memory is 11.5 GB. * CodeCheck took 148081.93 ms. Allocated memory was 1.2 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 917.8 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. * Witness Printer took 127.64 ms. Allocated memory is still 3.7 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...