./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label14_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_8b39b25c-d4f0-44e6-a699-d3c0e23c672f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8b39b25c-d4f0-44e6-a699-d3c0e23c672f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8b39b25c-d4f0-44e6-a699-d3c0e23c672f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8b39b25c-d4f0-44e6-a699-d3c0e23c672f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8b39b25c-d4f0-44e6-a699-d3c0e23c672f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8b39b25c-d4f0-44e6-a699-d3c0e23c672f/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 bf623cbfa27d5f25c20ae418fc6508fd949965cd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:45:13,305 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:45:13,306 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:45:13,314 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:45:13,314 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:45:13,315 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:45:13,315 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:45:13,316 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:45:13,318 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:45:13,318 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:45:13,319 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:45:13,319 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:45:13,320 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:45:13,320 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:45:13,321 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:45:13,321 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:45:13,322 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:45:13,323 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:45:13,325 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:45:13,326 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:45:13,326 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:45:13,327 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:45:13,329 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:45:13,329 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:45:13,329 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:45:13,330 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:45:13,330 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:45:13,331 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:45:13,331 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:45:13,332 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:45:13,332 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:45:13,333 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:45:13,333 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:45:13,333 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:45:13,334 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:45:13,334 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:45:13,334 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8b39b25c-d4f0-44e6-a699-d3c0e23c672f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 05:45:13,345 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:45:13,345 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:45:13,345 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:45:13,345 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:45:13,346 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:45:13,346 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:45:13,346 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:45:13,346 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:45:13,347 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:45:13,347 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:45:13,347 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:45:13,347 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:45:13,347 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:45:13,347 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:45:13,348 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:45:13,348 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:45:13,348 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:45:13,348 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:45:13,348 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:45:13,348 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:45:13,348 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:45:13,349 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:45:13,349 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:45:13,349 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:45:13,349 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:45:13,349 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:45:13,349 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:45:13,349 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:45:13,350 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_8b39b25c-d4f0-44e6-a699-d3c0e23c672f/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 -> bf623cbfa27d5f25c20ae418fc6508fd949965cd [2018-11-10 05:45:13,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:45:13,382 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:45:13,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:45:13,385 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:45:13,385 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:45:13,385 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8b39b25c-d4f0-44e6-a699-d3c0e23c672f/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-11-10 05:45:13,422 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b39b25c-d4f0-44e6-a699-d3c0e23c672f/bin-2019/ukojak/data/443f69e04/eb9acf529e0a4ff8a9ac11785d558920/FLAG5165aa5a5 [2018-11-10 05:45:13,860 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:45:13,861 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8b39b25c-d4f0-44e6-a699-d3c0e23c672f/sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-11-10 05:45:13,870 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b39b25c-d4f0-44e6-a699-d3c0e23c672f/bin-2019/ukojak/data/443f69e04/eb9acf529e0a4ff8a9ac11785d558920/FLAG5165aa5a5 [2018-11-10 05:45:13,881 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8b39b25c-d4f0-44e6-a699-d3c0e23c672f/bin-2019/ukojak/data/443f69e04/eb9acf529e0a4ff8a9ac11785d558920 [2018-11-10 05:45:13,884 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:45:13,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:45:13,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:45:13,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:45:13,889 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:45:13,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:45:13" (1/1) ... [2018-11-10 05:45:13,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50020d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:13, skipping insertion in model container [2018-11-10 05:45:13,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:45:13" (1/1) ... [2018-11-10 05:45:13,899 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:45:13,933 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:45:14,158 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:45:14,162 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:45:14,227 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:45:14,239 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:45:14,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:14 WrapperNode [2018-11-10 05:45:14,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:45:14,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:45:14,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:45:14,241 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:45:14,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:14" (1/1) ... [2018-11-10 05:45:14,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:14" (1/1) ... [2018-11-10 05:45:14,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:45:14,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:45:14,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:45:14,345 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:45:14,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:14" (1/1) ... [2018-11-10 05:45:14,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:14" (1/1) ... [2018-11-10 05:45:14,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:14" (1/1) ... [2018-11-10 05:45:14,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:14" (1/1) ... [2018-11-10 05:45:14,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:14" (1/1) ... [2018-11-10 05:45:14,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:14" (1/1) ... [2018-11-10 05:45:14,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:14" (1/1) ... [2018-11-10 05:45:14,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:45:14,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:45:14,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:45:14,385 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:45:14,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:45:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b39b25c-d4f0-44e6-a699-d3c0e23c672f/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 [2018-11-10 05:45:14,433 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 05:45:14,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:45:14,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:45:15,757 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:45:15,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:45:15 BoogieIcfgContainer [2018-11-10 05:45:15,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:45:15,758 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:45:15,758 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:45:15,766 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:45:15,766 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:45:15" (1/1) ... [2018-11-10 05:45:15,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:45:15,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:15,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-10 05:45:15,799 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-10 05:45:15,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-10 05:45:15,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:16,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:45:16,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:16,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 243 transitions. [2018-11-10 05:45:16,497 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2018-11-10 05:45:16,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 05:45:16,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:16,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:45:16,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:16,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 166 states and 244 transitions. [2018-11-10 05:45:16,678 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 244 transitions. [2018-11-10 05:45:16,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 05:45:16,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:16,732 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:45:16,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:16,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 184 states and 271 transitions. [2018-11-10 05:45:16,854 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 271 transitions. [2018-11-10 05:45:16,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-10 05:45:16,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:16,914 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:45:17,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:17,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 206 states and 297 transitions. [2018-11-10 05:45:17,092 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 297 transitions. [2018-11-10 05:45:17,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 05:45:17,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:17,167 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:45:17,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:17,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 225 states and 325 transitions. [2018-11-10 05:45:17,459 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 325 transitions. [2018-11-10 05:45:17,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 05:45:17,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:17,492 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:45:17,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:17,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 230 states and 331 transitions. [2018-11-10 05:45:17,686 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 331 transitions. [2018-11-10 05:45:17,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-10 05:45:17,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:17,726 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:45:17,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 234 states and 335 transitions. [2018-11-10 05:45:17,763 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 335 transitions. [2018-11-10 05:45:17,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 05:45:17,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:17,792 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:45:17,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:17,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 235 states and 337 transitions. [2018-11-10 05:45:17,890 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 337 transitions. [2018-11-10 05:45:17,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 05:45:17,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:45:18,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:18,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 239 states and 342 transitions. [2018-11-10 05:45:18,031 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 342 transitions. [2018-11-10 05:45:18,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 05:45:18,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:18,056 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:45:18,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:18,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 253 states and 356 transitions. [2018-11-10 05:45:18,283 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 356 transitions. [2018-11-10 05:45:18,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 05:45:18,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:18,311 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 05:45:18,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:18,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 258 states and 362 transitions. [2018-11-10 05:45:18,521 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 362 transitions. [2018-11-10 05:45:18,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 05:45:18,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:18,607 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:45:18,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:18,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 338 states and 446 transitions. [2018-11-10 05:45:18,955 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 446 transitions. [2018-11-10 05:45:18,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-10 05:45:18,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:19,033 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:45:19,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:19,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 369 states and 485 transitions. [2018-11-10 05:45:19,534 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 485 transitions. [2018-11-10 05:45:19,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-10 05:45:19,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:19,559 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:45:19,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:19,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 386 states and 506 transitions. [2018-11-10 05:45:19,724 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 506 transitions. [2018-11-10 05:45:19,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-10 05:45:19,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:19,749 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:45:19,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:19,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 388 states and 507 transitions. [2018-11-10 05:45:19,834 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 507 transitions. [2018-11-10 05:45:19,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-10 05:45:19,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:19,885 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:45:20,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:20,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 419 states and 543 transitions. [2018-11-10 05:45:20,614 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 543 transitions. [2018-11-10 05:45:20,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-10 05:45:20,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:20,686 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:45:20,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:20,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 423 states and 547 transitions. [2018-11-10 05:45:20,785 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 547 transitions. [2018-11-10 05:45:20,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-10 05:45:20,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:20,809 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:45:20,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:20,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 436 states and 561 transitions. [2018-11-10 05:45:20,903 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 561 transitions. [2018-11-10 05:45:20,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 05:45:20,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:20,930 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:45:21,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:21,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 455 states and 583 transitions. [2018-11-10 05:45:21,151 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 583 transitions. [2018-11-10 05:45:21,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 05:45:21,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:21,177 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 05:45:21,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:21,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 459 states and 586 transitions. [2018-11-10 05:45:21,244 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 586 transitions. [2018-11-10 05:45:21,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-10 05:45:21,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:21,267 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:45:21,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:21,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 464 states and 590 transitions. [2018-11-10 05:45:21,290 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 590 transitions. [2018-11-10 05:45:21,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-10 05:45:21,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 05:45:21,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:21,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 466 states and 593 transitions. [2018-11-10 05:45:21,571 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 593 transitions. [2018-11-10 05:45:21,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-10 05:45:21,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:21,689 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 05:45:22,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:22,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 480 states and 608 transitions. [2018-11-10 05:45:22,033 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 608 transitions. [2018-11-10 05:45:22,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-10 05:45:22,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:22,084 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:45:22,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:22,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 485 states and 614 transitions. [2018-11-10 05:45:22,221 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 614 transitions. [2018-11-10 05:45:22,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 05:45:22,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:22,539 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 05:45:23,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:23,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 527 states and 667 transitions. [2018-11-10 05:45:23,568 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 667 transitions. [2018-11-10 05:45:23,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-10 05:45:23,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:23,609 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:45:23,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:23,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 548 states and 688 transitions. [2018-11-10 05:45:23,704 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 688 transitions. [2018-11-10 05:45:23,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 05:45:23,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 05:45:23,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:23,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 553 states and 693 transitions. [2018-11-10 05:45:23,881 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 693 transitions. [2018-11-10 05:45:23,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 05:45:23,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:23,903 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 05:45:23,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:23,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 554 states and 694 transitions. [2018-11-10 05:45:23,913 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 694 transitions. [2018-11-10 05:45:23,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 05:45:23,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:24,319 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:45:25,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:25,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 613 states and 759 transitions. [2018-11-10 05:45:25,827 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 759 transitions. [2018-11-10 05:45:25,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 05:45:25,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:25,873 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 05:45:26,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:26,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 632 states and 781 transitions. [2018-11-10 05:45:26,371 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 781 transitions. [2018-11-10 05:45:26,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-10 05:45:26,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:26,430 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 05:45:26,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:26,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 633 states and 783 transitions. [2018-11-10 05:45:26,461 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 783 transitions. [2018-11-10 05:45:26,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-10 05:45:26,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:26,806 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:45:29,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:29,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 702 states and 866 transitions. [2018-11-10 05:45:29,955 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 866 transitions. [2018-11-10 05:45:29,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-10 05:45:29,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:30,039 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:45:30,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:30,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 706 states and 870 transitions. [2018-11-10 05:45:30,278 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 870 transitions. [2018-11-10 05:45:30,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 05:45:30,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:30,318 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 05:45:30,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:30,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 723 states and 887 transitions. [2018-11-10 05:45:30,391 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 887 transitions. [2018-11-10 05:45:30,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-10 05:45:30,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:30,708 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:45:32,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:32,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 770 states and 936 transitions. [2018-11-10 05:45:32,967 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 936 transitions. [2018-11-10 05:45:32,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 05:45:32,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:33,009 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:45:33,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:33,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 782 states and 948 transitions. [2018-11-10 05:45:33,282 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 948 transitions. [2018-11-10 05:45:33,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 05:45:33,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:33,318 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:45:33,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:33,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 786 states and 952 transitions. [2018-11-10 05:45:33,497 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 952 transitions. [2018-11-10 05:45:33,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-10 05:45:33,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:33,538 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-10 05:45:33,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:33,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 788 states and 953 transitions. [2018-11-10 05:45:33,628 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 953 transitions. [2018-11-10 05:45:33,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 05:45:33,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:33,723 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 05:45:33,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:33,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 790 states and 955 transitions. [2018-11-10 05:45:33,907 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 955 transitions. [2018-11-10 05:45:33,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-10 05:45:33,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:33,935 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 05:45:34,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:34,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 794 states and 962 transitions. [2018-11-10 05:45:34,136 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 962 transitions. [2018-11-10 05:45:34,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 05:45:34,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:34,176 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 05:45:34,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:34,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 821 states and 991 transitions. [2018-11-10 05:45:34,999 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 991 transitions. [2018-11-10 05:45:35,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 05:45:35,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:35,085 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-10 05:45:35,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:35,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 823 states and 993 transitions. [2018-11-10 05:45:35,251 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 993 transitions. [2018-11-10 05:45:35,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 05:45:35,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:35,291 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 05:45:35,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:35,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 835 states and 1010 transitions. [2018-11-10 05:45:35,711 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1010 transitions. [2018-11-10 05:45:35,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-10 05:45:35,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:35,738 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 05:45:35,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:35,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 839 states and 1015 transitions. [2018-11-10 05:45:35,828 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1015 transitions. [2018-11-10 05:45:35,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-10 05:45:35,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:36,156 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 159 proven. 11 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 05:45:37,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:37,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 859 states and 1040 transitions. [2018-11-10 05:45:37,411 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1040 transitions. [2018-11-10 05:45:37,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-10 05:45:37,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:37,463 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 05:45:37,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:37,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 861 states and 1041 transitions. [2018-11-10 05:45:37,660 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1041 transitions. [2018-11-10 05:45:37,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-10 05:45:37,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:37,697 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 05:45:38,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:38,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 941 states and 1134 transitions. [2018-11-10 05:45:38,122 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1134 transitions. [2018-11-10 05:45:38,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 05:45:38,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:38,217 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-10 05:45:38,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:38,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 951 states and 1145 transitions. [2018-11-10 05:45:38,531 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1145 transitions. [2018-11-10 05:45:38,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 05:45:38,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:38,607 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-10 05:45:38,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:38,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 952 states and 1145 transitions. [2018-11-10 05:45:38,760 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1145 transitions. [2018-11-10 05:45:38,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-10 05:45:38,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:38,911 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 05:45:39,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:39,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1005 states and 1202 transitions. [2018-11-10 05:45:39,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1202 transitions. [2018-11-10 05:45:39,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-10 05:45:39,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:39,432 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-10 05:45:39,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:39,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1035 states and 1233 transitions. [2018-11-10 05:45:39,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1233 transitions. [2018-11-10 05:45:39,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-10 05:45:39,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:40,070 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-10 05:45:41,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:41,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1060 states and 1258 transitions. [2018-11-10 05:45:41,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1258 transitions. [2018-11-10 05:45:41,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-10 05:45:41,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:41,165 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 05:45:41,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:41,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1085 states and 1282 transitions. [2018-11-10 05:45:41,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1282 transitions. [2018-11-10 05:45:41,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-10 05:45:41,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:41,474 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 05:45:42,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:42,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1117 states and 1314 transitions. [2018-11-10 05:45:42,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1314 transitions. [2018-11-10 05:45:42,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-10 05:45:42,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:42,793 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-10 05:45:42,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:42,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1119 states and 1315 transitions. [2018-11-10 05:45:42,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1315 transitions. [2018-11-10 05:45:42,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-10 05:45:42,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:42,957 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-10 05:45:42,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:42,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1125 states and 1320 transitions. [2018-11-10 05:45:42,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1320 transitions. [2018-11-10 05:45:42,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-10 05:45:42,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:43,031 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-10 05:45:43,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:43,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1130 states and 1325 transitions. [2018-11-10 05:45:43,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1325 transitions. [2018-11-10 05:45:43,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-10 05:45:43,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:43,275 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-10 05:45:43,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:43,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1155 states and 1350 transitions. [2018-11-10 05:45:43,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1350 transitions. [2018-11-10 05:45:43,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-10 05:45:43,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:43,957 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 05:45:44,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:44,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1190 states and 1389 transitions. [2018-11-10 05:45:44,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1389 transitions. [2018-11-10 05:45:44,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-10 05:45:44,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:44,886 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 05:45:45,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:45,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1192 states and 1390 transitions. [2018-11-10 05:45:45,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1390 transitions. [2018-11-10 05:45:45,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-10 05:45:45,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:45,104 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 195 proven. 1 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-10 05:45:45,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:45,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1212 states and 1414 transitions. [2018-11-10 05:45:45,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1414 transitions. [2018-11-10 05:45:45,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-10 05:45:45,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:45,634 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 195 proven. 1 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-10 05:45:45,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:45,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1216 states and 1418 transitions. [2018-11-10 05:45:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1418 transitions. [2018-11-10 05:45:45,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-10 05:45:45,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:45,921 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-10 05:45:46,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:46,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1220 states and 1424 transitions. [2018-11-10 05:45:46,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1424 transitions. [2018-11-10 05:45:46,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-10 05:45:46,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:46,106 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 217 proven. 17 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-10 05:45:46,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:46,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1254 states and 1464 transitions. [2018-11-10 05:45:46,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1464 transitions. [2018-11-10 05:45:46,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-10 05:45:46,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 217 proven. 17 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-10 05:45:47,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:47,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1265 states and 1474 transitions. [2018-11-10 05:45:47,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1474 transitions. [2018-11-10 05:45:47,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-10 05:45:47,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:47,518 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-10 05:45:47,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:47,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1277 states and 1486 transitions. [2018-11-10 05:45:47,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1486 transitions. [2018-11-10 05:45:47,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-10 05:45:47,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:47,615 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-10 05:45:47,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:47,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1284 states and 1492 transitions. [2018-11-10 05:45:47,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1492 transitions. [2018-11-10 05:45:47,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-10 05:45:47,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:47,895 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-10 05:45:48,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:48,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1289 states and 1497 transitions. [2018-11-10 05:45:48,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1497 transitions. [2018-11-10 05:45:48,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-10 05:45:48,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:48,339 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-11-10 05:45:48,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:48,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1290 states and 1499 transitions. [2018-11-10 05:45:48,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1499 transitions. [2018-11-10 05:45:48,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-10 05:45:48,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:48,439 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-11-10 05:45:48,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:48,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1291 states and 1499 transitions. [2018-11-10 05:45:48,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1499 transitions. [2018-11-10 05:45:48,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-10 05:45:48,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:48,710 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-11-10 05:45:48,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:48,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1292 states and 1499 transitions. [2018-11-10 05:45:48,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1499 transitions. [2018-11-10 05:45:48,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-10 05:45:48,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:48,920 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 05:45:50,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:50,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1347 states and 1563 transitions. [2018-11-10 05:45:50,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1563 transitions. [2018-11-10 05:45:50,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-10 05:45:50,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:50,632 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 05:45:50,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:50,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1349 states and 1566 transitions. [2018-11-10 05:45:50,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1566 transitions. [2018-11-10 05:45:50,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-10 05:45:50,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:50,710 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 05:45:51,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:51,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1367 states and 1585 transitions. [2018-11-10 05:45:51,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1585 transitions. [2018-11-10 05:45:51,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-10 05:45:51,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:51,299 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 05:45:51,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:51,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1368 states and 1586 transitions. [2018-11-10 05:45:51,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1586 transitions. [2018-11-10 05:45:51,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-10 05:45:51,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:51,397 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 05:45:51,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:51,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1393 states and 1611 transitions. [2018-11-10 05:45:51,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1611 transitions. [2018-11-10 05:45:51,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-10 05:45:51,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:51,760 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 05:45:51,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:51,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1400 states and 1617 transitions. [2018-11-10 05:45:51,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1617 transitions. [2018-11-10 05:45:51,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-10 05:45:51,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:52,017 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 05:45:52,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:52,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1414 states and 1631 transitions. [2018-11-10 05:45:52,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1631 transitions. [2018-11-10 05:45:52,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-10 05:45:52,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:52,520 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-10 05:45:52,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:52,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1419 states and 1634 transitions. [2018-11-10 05:45:52,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1634 transitions. [2018-11-10 05:45:52,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-10 05:45:52,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:53,448 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 05:45:56,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:56,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1498 states and 1729 transitions. [2018-11-10 05:45:56,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 1729 transitions. [2018-11-10 05:45:56,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-10 05:45:56,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:56,387 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 05:45:56,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:56,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1502 states and 1733 transitions. [2018-11-10 05:45:56,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1733 transitions. [2018-11-10 05:45:56,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-10 05:45:56,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:56,893 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 05:45:57,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:57,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1507 states and 1737 transitions. [2018-11-10 05:45:57,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1737 transitions. [2018-11-10 05:45:57,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-10 05:45:57,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:57,337 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 05:45:58,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:58,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1560 states and 1794 transitions. [2018-11-10 05:45:58,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 1794 transitions. [2018-11-10 05:45:58,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-10 05:45:58,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:58,263 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 414 proven. 5 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-10 05:45:58,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:58,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1593 states and 1832 transitions. [2018-11-10 05:45:58,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 1832 transitions. [2018-11-10 05:45:58,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-10 05:45:58,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:58,747 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 414 proven. 5 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-10 05:45:58,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:58,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1594 states and 1832 transitions. [2018-11-10 05:45:58,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 1832 transitions. [2018-11-10 05:45:58,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-10 05:45:58,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:59,059 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 414 proven. 5 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-10 05:45:59,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:45:59,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1595 states and 1832 transitions. [2018-11-10 05:45:59,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 1832 transitions. [2018-11-10 05:45:59,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-11-10 05:45:59,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:45:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:45:59,441 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 544 proven. 7 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-10 05:46:00,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:46:00,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 1636 states and 1878 transitions. [2018-11-10 05:46:00,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 1878 transitions. [2018-11-10 05:46:00,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-11-10 05:46:00,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:46:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:46:00,331 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 544 proven. 7 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-10 05:46:00,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:46:00,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1463 states and 1674 transitions. [2018-11-10 05:46:00,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1674 transitions. [2018-11-10 05:46:00,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:46:00,465 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 89 iterations. [2018-11-10 05:46:00,470 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 05:46:03,670 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:46:03,672 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-11-10 05:46:03,679 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-11-10 05:46:03,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:46:03 ImpRootNode [2018-11-10 05:46:03,681 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:46:03,682 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:46:03,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:46:03,682 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:46:03,683 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:45:15" (3/4) ... [2018-11-10 05:46:03,686 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:46:03,701 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-11-10 05:46:03,702 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 05:46:03,703 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-10 05:46:03,704 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 05:46:03,792 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8b39b25c-d4f0-44e6-a699-d3c0e23c672f/bin-2019/ukojak/witness.graphml [2018-11-10 05:46:03,792 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:46:03,793 INFO L168 Benchmark]: Toolchain (without parser) took 49909.01 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 958.1 MB in the beginning and 800.3 MB in the end (delta: 157.8 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-10 05:46:03,795 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:46:03,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.51 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 925.9 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:46:03,795 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -219.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:46:03,795 INFO L168 Benchmark]: Boogie Preprocessor took 40.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:46:03,796 INFO L168 Benchmark]: RCFGBuilder took 1372.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 896.3 MB in the end (delta: 241.8 MB). Peak memory consumption was 241.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:46:03,796 INFO L168 Benchmark]: CodeCheck took 47922.97 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 896.3 MB in the beginning and 832.7 MB in the end (delta: 63.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-10 05:46:03,796 INFO L168 Benchmark]: Witness Printer took 110.41 ms. Allocated memory is still 2.5 GB. Free memory was 832.7 MB in the beginning and 800.3 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:46:03,798 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, 228 locations, 1 error locations. SAFE Result, 44.6s OverallTime, 89 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1778382640 SDtfs, 230036032 SDslu, -234862976 SDs, 0 SdLazy, 1016938832 SolverSat, -1052485904 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 189.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110647 GetRequests, 108985 SyntacticMatches, 1000 SemanticMatches, 662 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326934 ImplicationChecksByTransitivity, 34.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 17185 NumberOfCodeBlocks, 17185 NumberOfCodeBlocksAsserted, 88 NumberOfCheckSat, 17097 ConstructedInterpolants, 0 QuantifiedInterpolants, 8665118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 88 InterpolantComputations, 71 PerfectInterpolantSequences, 17721/18002 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: 523]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((a25 == 1 && !(a17 == 9)) || a28 == 10) || a17 == 8) || (!(a19 == 1) && a25 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((a17 == 8 || (a25 == 1 && !(a17 == 9))) || a28 == 10) || (!(a19 == 1) && a25 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 354.51 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 925.9 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 104.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -219.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1372.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 896.3 MB in the end (delta: 241.8 MB). Peak memory consumption was 241.8 MB. Max. memory is 11.5 GB. * CodeCheck took 47922.97 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 896.3 MB in the beginning and 832.7 MB in the end (delta: 63.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 110.41 ms. Allocated memory is still 2.5 GB. Free memory was 832.7 MB in the beginning and 800.3 MB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...