./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_11ca4371-bcb2-4798-b383-63849e1fc716/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_11ca4371-bcb2-4798-b383-63849e1fc716/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_11ca4371-bcb2-4798-b383-63849e1fc716/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_11ca4371-bcb2-4798-b383-63849e1fc716/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_11ca4371-bcb2-4798-b383-63849e1fc716/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_11ca4371-bcb2-4798-b383-63849e1fc716/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 3f51dca3844c7621fbb989f3ed1f9e07d5f2fb43 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 03:16:18,499 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 03:16:18,500 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 03:16:18,506 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 03:16:18,506 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 03:16:18,506 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 03:16:18,507 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 03:16:18,508 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 03:16:18,509 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 03:16:18,509 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 03:16:18,509 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 03:16:18,510 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 03:16:18,510 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 03:16:18,510 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 03:16:18,511 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 03:16:18,511 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 03:16:18,512 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 03:16:18,512 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 03:16:18,513 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 03:16:18,514 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 03:16:18,515 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 03:16:18,515 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 03:16:18,516 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 03:16:18,516 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 03:16:18,516 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 03:16:18,517 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 03:16:18,517 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 03:16:18,518 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 03:16:18,518 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 03:16:18,519 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 03:16:18,519 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 03:16:18,519 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 03:16:18,519 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 03:16:18,519 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 03:16:18,520 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 03:16:18,520 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 03:16:18,520 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_11ca4371-bcb2-4798-b383-63849e1fc716/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 03:16:18,527 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 03:16:18,527 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 03:16:18,528 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 03:16:18,528 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 03:16:18,528 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 03:16:18,528 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 03:16:18,528 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 03:16:18,528 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 03:16:18,528 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 03:16:18,528 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 03:16:18,529 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 03:16:18,529 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 03:16:18,529 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 03:16:18,529 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 03:16:18,529 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 03:16:18,529 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 03:16:18,529 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 03:16:18,529 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 03:16:18,529 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 03:16:18,529 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 03:16:18,530 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 03:16:18,530 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 03:16:18,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 03:16:18,530 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 03:16:18,530 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 03:16:18,530 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 03:16:18,530 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 03:16:18,530 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 03:16:18,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 03:16:18,530 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_11ca4371-bcb2-4798-b383-63849e1fc716/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 -> 3f51dca3844c7621fbb989f3ed1f9e07d5f2fb43 [2018-12-09 03:16:18,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 03:16:18,554 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 03:16:18,556 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 03:16:18,557 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 03:16:18,558 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 03:16:18,558 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_11ca4371-bcb2-4798-b383-63849e1fc716/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c [2018-12-09 03:16:18,594 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_11ca4371-bcb2-4798-b383-63849e1fc716/bin-2019/ukojak/data/c18557ec6/97a44133ed42440f8cf2a92ac78f5512/FLAG7dcdf7839 [2018-12-09 03:16:19,016 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 03:16:19,017 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_11ca4371-bcb2-4798-b383-63849e1fc716/sv-benchmarks/c/eca-rers2012/Problem01_label54_true-unreach-call_false-termination.c [2018-12-09 03:16:19,024 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_11ca4371-bcb2-4798-b383-63849e1fc716/bin-2019/ukojak/data/c18557ec6/97a44133ed42440f8cf2a92ac78f5512/FLAG7dcdf7839 [2018-12-09 03:16:19,033 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_11ca4371-bcb2-4798-b383-63849e1fc716/bin-2019/ukojak/data/c18557ec6/97a44133ed42440f8cf2a92ac78f5512 [2018-12-09 03:16:19,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 03:16:19,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 03:16:19,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 03:16:19,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 03:16:19,038 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 03:16:19,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:16:19" (1/1) ... [2018-12-09 03:16:19,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:16:19, skipping insertion in model container [2018-12-09 03:16:19,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:16:19" (1/1) ... [2018-12-09 03:16:19,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 03:16:19,067 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 03:16:19,237 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:16:19,240 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 03:16:19,323 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:16:19,332 INFO L195 MainTranslator]: Completed translation [2018-12-09 03:16:19,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:16:19 WrapperNode [2018-12-09 03:16:19,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 03:16:19,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 03:16:19,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 03:16:19,333 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 03:16:19,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:16:19" (1/1) ... [2018-12-09 03:16:19,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:16:19" (1/1) ... [2018-12-09 03:16:19,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 03:16:19,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 03:16:19,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 03:16:19,374 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 03:16:19,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:16:19" (1/1) ... [2018-12-09 03:16:19,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:16:19" (1/1) ... [2018-12-09 03:16:19,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:16:19" (1/1) ... [2018-12-09 03:16:19,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:16:19" (1/1) ... [2018-12-09 03:16:19,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:16:19" (1/1) ... [2018-12-09 03:16:19,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:16:19" (1/1) ... [2018-12-09 03:16:19,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:16:19" (1/1) ... [2018-12-09 03:16:19,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 03:16:19,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 03:16:19,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 03:16:19,404 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 03:16:19,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:16:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_11ca4371-bcb2-4798-b383-63849e1fc716/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 03:16:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 03:16:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 03:16:20,376 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 03:16:20,376 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 03:16:20,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:16:20 BoogieIcfgContainer [2018-12-09 03:16:20,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 03:16:20,377 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 03:16:20,378 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 03:16:20,387 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 03:16:20,387 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:16:20" (1/1) ... [2018-12-09 03:16:20,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:16:20,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:20,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-09 03:16:20,429 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-09 03:16:20,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 03:16:20,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:20,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:16:20,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:20,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2018-12-09 03:16:20,958 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2018-12-09 03:16:20,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 03:16:20,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:21,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 03:16:21,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:21,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2018-12-09 03:16:21,124 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2018-12-09 03:16:21,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 03:16:21,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:21,165 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:16:21,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:21,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 151 states and 230 transitions. [2018-12-09 03:16:21,237 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 230 transitions. [2018-12-09 03:16:21,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 03:16:21,238 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:21,283 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:16:21,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:21,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 220 states and 301 transitions. [2018-12-09 03:16:21,533 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 301 transitions. [2018-12-09 03:16:21,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 03:16:21,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:21,571 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:16:21,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:21,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 232 states and 317 transitions. [2018-12-09 03:16:21,748 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 317 transitions. [2018-12-09 03:16:21,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 03:16:21,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:21,772 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 03:16:21,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:21,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 238 states and 324 transitions. [2018-12-09 03:16:21,921 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 324 transitions. [2018-12-09 03:16:21,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-09 03:16:21,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:21,939 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 03:16:22,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:22,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 251 states and 339 transitions. [2018-12-09 03:16:22,047 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 339 transitions. [2018-12-09 03:16:22,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 03:16:22,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:22,062 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:16:22,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:22,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 254 states and 343 transitions. [2018-12-09 03:16:22,076 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 343 transitions. [2018-12-09 03:16:22,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-09 03:16:22,076 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:22,096 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:16:22,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:22,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 255 states and 344 transitions. [2018-12-09 03:16:22,130 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 344 transitions. [2018-12-09 03:16:22,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 03:16:22,130 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:22,185 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:16:22,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:22,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 269 states and 364 transitions. [2018-12-09 03:16:22,522 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 364 transitions. [2018-12-09 03:16:22,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-09 03:16:22,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:22,581 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:16:22,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:22,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 295 states and 395 transitions. [2018-12-09 03:16:22,966 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 395 transitions. [2018-12-09 03:16:22,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 03:16:22,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:23,017 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:16:23,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:23,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 306 states and 408 transitions. [2018-12-09 03:16:23,316 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 408 transitions. [2018-12-09 03:16:23,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-09 03:16:23,317 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:23,336 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 03:16:23,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:23,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 323 states and 427 transitions. [2018-12-09 03:16:23,523 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 427 transitions. [2018-12-09 03:16:23,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-09 03:16:23,524 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:23,542 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 03:16:23,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:23,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 325 states and 428 transitions. [2018-12-09 03:16:23,632 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 428 transitions. [2018-12-09 03:16:23,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-09 03:16:23,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:23,664 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:16:23,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:23,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 326 states and 430 transitions. [2018-12-09 03:16:23,739 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 430 transitions. [2018-12-09 03:16:23,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 03:16:23,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:23,753 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:16:23,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:23,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 328 states and 432 transitions. [2018-12-09 03:16:23,766 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 432 transitions. [2018-12-09 03:16:23,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 03:16:23,767 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:23,817 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:16:24,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:24,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 342 states and 446 transitions. [2018-12-09 03:16:24,061 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 446 transitions. [2018-12-09 03:16:24,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 03:16:24,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:24,102 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:16:24,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:24,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 358 states and 463 transitions. [2018-12-09 03:16:24,281 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 463 transitions. [2018-12-09 03:16:24,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 03:16:24,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:24,310 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:16:24,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:24,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 361 states and 467 transitions. [2018-12-09 03:16:24,453 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 467 transitions. [2018-12-09 03:16:24,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 03:16:24,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:24,613 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:16:25,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:25,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 386 states and 495 transitions. [2018-12-09 03:16:25,076 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 495 transitions. [2018-12-09 03:16:25,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 03:16:25,076 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:25,129 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:16:25,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:25,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 425 states and 539 transitions. [2018-12-09 03:16:25,500 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 539 transitions. [2018-12-09 03:16:25,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 03:16:25,501 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:25,529 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 03:16:25,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:25,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 435 states and 551 transitions. [2018-12-09 03:16:25,687 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 551 transitions. [2018-12-09 03:16:25,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-09 03:16:25,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:25,715 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 03:16:25,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:25,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 436 states and 552 transitions. [2018-12-09 03:16:25,727 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 552 transitions. [2018-12-09 03:16:25,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-09 03:16:25,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:25,816 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 03:16:26,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:26,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 449 states and 573 transitions. [2018-12-09 03:16:26,287 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 573 transitions. [2018-12-09 03:16:26,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-09 03:16:26,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:26,305 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 03:16:26,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:26,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 454 states and 580 transitions. [2018-12-09 03:16:26,564 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 580 transitions. [2018-12-09 03:16:26,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-09 03:16:26,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:26,742 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:16:27,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:27,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 463 states and 595 transitions. [2018-12-09 03:16:27,328 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 595 transitions. [2018-12-09 03:16:27,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-09 03:16:27,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:27,396 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:16:27,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:27,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 477 states and 611 transitions. [2018-12-09 03:16:27,622 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 611 transitions. [2018-12-09 03:16:27,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-09 03:16:27,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:27,858 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:16:29,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:29,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 525 states and 668 transitions. [2018-12-09 03:16:29,091 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 668 transitions. [2018-12-09 03:16:29,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 03:16:29,092 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:29,339 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 03:16:30,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:30,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 571 states and 726 transitions. [2018-12-09 03:16:30,937 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 726 transitions. [2018-12-09 03:16:30,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 03:16:30,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:30,964 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:16:31,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:31,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 578 states and 735 transitions. [2018-12-09 03:16:31,058 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 735 transitions. [2018-12-09 03:16:31,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 03:16:31,058 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:31,156 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:16:33,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:33,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 626 states and 791 transitions. [2018-12-09 03:16:33,508 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 791 transitions. [2018-12-09 03:16:33,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 03:16:33,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:33,543 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:16:34,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:34,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 668 states and 837 transitions. [2018-12-09 03:16:34,730 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 837 transitions. [2018-12-09 03:16:34,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 03:16:34,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:34,792 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:16:35,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:35,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 679 states and 849 transitions. [2018-12-09 03:16:35,147 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 849 transitions. [2018-12-09 03:16:35,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 03:16:35,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:35,172 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:16:35,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:35,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 710 states and 883 transitions. [2018-12-09 03:16:35,780 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 883 transitions. [2018-12-09 03:16:35,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 03:16:35,780 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:35,799 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 03:16:36,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:36,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 721 states and 893 transitions. [2018-12-09 03:16:36,154 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 893 transitions. [2018-12-09 03:16:36,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 03:16:36,154 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:36,554 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:16:38,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:38,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 751 states and 936 transitions. [2018-12-09 03:16:38,124 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 936 transitions. [2018-12-09 03:16:38,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 03:16:38,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:38,141 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:16:38,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:38,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 756 states and 944 transitions. [2018-12-09 03:16:38,316 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 944 transitions. [2018-12-09 03:16:38,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-09 03:16:38,317 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:38,335 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:16:38,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:38,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 763 states and 953 transitions. [2018-12-09 03:16:38,359 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 953 transitions. [2018-12-09 03:16:38,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-09 03:16:38,360 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:38,402 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:16:39,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:39,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 812 states and 1007 transitions. [2018-12-09 03:16:39,016 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1007 transitions. [2018-12-09 03:16:39,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-09 03:16:39,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:39,309 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:16:40,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:40,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 837 states and 1034 transitions. [2018-12-09 03:16:40,345 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1034 transitions. [2018-12-09 03:16:40,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 03:16:40,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:40,903 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 03:16:45,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:45,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 892 states and 1093 transitions. [2018-12-09 03:16:45,296 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1093 transitions. [2018-12-09 03:16:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 03:16:45,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:45,697 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:16:47,514 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2018-12-09 03:16:48,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:48,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 930 states and 1143 transitions. [2018-12-09 03:16:48,398 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1143 transitions. [2018-12-09 03:16:48,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 03:16:48,398 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:48,499 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:16:48,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:48,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 961 states and 1173 transitions. [2018-12-09 03:16:48,989 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1173 transitions. [2018-12-09 03:16:48,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 03:16:48,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:49,024 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 03:16:49,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:49,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 978 states and 1191 transitions. [2018-12-09 03:16:49,080 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1191 transitions. [2018-12-09 03:16:49,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 03:16:49,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:49,099 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 03:16:49,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:49,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 980 states and 1194 transitions. [2018-12-09 03:16:49,332 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1194 transitions. [2018-12-09 03:16:49,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 03:16:49,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:49,363 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 03:16:49,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:49,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 984 states and 1197 transitions. [2018-12-09 03:16:49,521 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1197 transitions. [2018-12-09 03:16:49,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-09 03:16:49,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:49,582 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:16:49,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:49,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 987 states and 1200 transitions. [2018-12-09 03:16:49,677 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1200 transitions. [2018-12-09 03:16:49,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 03:16:49,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:49,889 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 03:16:50,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:50,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1056 states and 1270 transitions. [2018-12-09 03:16:50,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1270 transitions. [2018-12-09 03:16:50,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-09 03:16:50,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:50,911 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 03:16:51,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:51,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1069 states and 1288 transitions. [2018-12-09 03:16:51,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1288 transitions. [2018-12-09 03:16:51,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 03:16:51,837 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:52,076 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 03:16:53,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:53,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1097 states and 1325 transitions. [2018-12-09 03:16:53,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1325 transitions. [2018-12-09 03:16:53,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 03:16:53,369 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:53,465 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 03:16:54,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:54,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1108 states and 1339 transitions. [2018-12-09 03:16:54,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1339 transitions. [2018-12-09 03:16:54,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 03:16:54,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 03:16:54,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:54,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1110 states and 1341 transitions. [2018-12-09 03:16:54,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1341 transitions. [2018-12-09 03:16:54,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 03:16:54,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:55,367 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 124 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:16:56,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:56,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1121 states and 1354 transitions. [2018-12-09 03:16:56,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1354 transitions. [2018-12-09 03:16:56,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 03:16:56,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:56,443 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 03:16:56,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:56,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1123 states and 1356 transitions. [2018-12-09 03:16:56,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1356 transitions. [2018-12-09 03:16:56,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 03:16:56,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:56,543 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 03:16:57,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:57,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1138 states and 1376 transitions. [2018-12-09 03:16:57,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1376 transitions. [2018-12-09 03:16:57,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 03:16:57,982 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:58,012 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 03:16:58,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:16:58,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1143 states and 1382 transitions. [2018-12-09 03:16:58,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1382 transitions. [2018-12-09 03:16:58,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-09 03:16:58,505 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:16:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:16:59,506 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:17:02,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:02,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1187 states and 1435 transitions. [2018-12-09 03:17:02,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1435 transitions. [2018-12-09 03:17:02,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-09 03:17:02,230 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:02,266 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 03:17:02,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:02,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1190 states and 1439 transitions. [2018-12-09 03:17:02,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1439 transitions. [2018-12-09 03:17:02,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 03:17:02,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:02,792 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 116 proven. 30 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:17:05,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:05,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1230 states and 1489 transitions. [2018-12-09 03:17:05,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1489 transitions. [2018-12-09 03:17:05,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 03:17:05,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:05,965 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 116 proven. 30 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:17:06,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:06,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1246 states and 1508 transitions. [2018-12-09 03:17:06,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1508 transitions. [2018-12-09 03:17:06,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 03:17:06,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:07,108 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 116 proven. 30 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:17:08,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:08,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1260 states and 1521 transitions. [2018-12-09 03:17:08,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1521 transitions. [2018-12-09 03:17:08,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-09 03:17:08,298 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:08,531 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:17:10,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:10,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1288 states and 1554 transitions. [2018-12-09 03:17:10,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1554 transitions. [2018-12-09 03:17:10,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-09 03:17:10,407 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:10,554 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 183 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 03:17:11,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:11,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1294 states and 1560 transitions. [2018-12-09 03:17:11,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1560 transitions. [2018-12-09 03:17:11,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 03:17:11,103 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:11,130 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-09 03:17:11,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:11,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1304 states and 1570 transitions. [2018-12-09 03:17:11,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1570 transitions. [2018-12-09 03:17:11,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 03:17:11,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:11,635 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-09 03:17:11,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:11,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1306 states and 1571 transitions. [2018-12-09 03:17:11,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 1571 transitions. [2018-12-09 03:17:11,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 03:17:11,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:11,943 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 03:17:13,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:13,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1342 states and 1612 transitions. [2018-12-09 03:17:13,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1612 transitions. [2018-12-09 03:17:13,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 03:17:13,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:13,911 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:17:21,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:21,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1400 states and 1677 transitions. [2018-12-09 03:17:21,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1677 transitions. [2018-12-09 03:17:21,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 03:17:21,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:21,544 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:17:26,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:26,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1441 states and 1724 transitions. [2018-12-09 03:17:26,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 1724 transitions. [2018-12-09 03:17:26,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 03:17:26,645 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:26,759 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 03:17:27,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:27,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 1445 states and 1728 transitions. [2018-12-09 03:17:27,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1728 transitions. [2018-12-09 03:17:27,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 03:17:27,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:27,552 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:17:27,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1447 states and 1729 transitions. [2018-12-09 03:17:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 1729 transitions. [2018-12-09 03:17:27,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 03:17:27,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:28,058 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:17:29,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:29,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1452 states and 1734 transitions. [2018-12-09 03:17:29,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1734 transitions. [2018-12-09 03:17:29,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 03:17:29,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:29,945 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:17:31,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:31,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1476 states and 1759 transitions. [2018-12-09 03:17:31,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1759 transitions. [2018-12-09 03:17:31,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 03:17:31,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:32,209 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:17:33,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:33,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1491 states and 1773 transitions. [2018-12-09 03:17:33,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1773 transitions. [2018-12-09 03:17:33,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-09 03:17:33,441 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:33,680 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 190 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 03:17:34,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:34,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1504 states and 1789 transitions. [2018-12-09 03:17:34,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 1789 transitions. [2018-12-09 03:17:34,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 03:17:34,232 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:34,915 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:17:38,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:38,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1543 states and 1835 transitions. [2018-12-09 03:17:38,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 1835 transitions. [2018-12-09 03:17:38,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 03:17:38,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:38,477 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:17:39,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:39,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1818 states to 1527 states and 1818 transitions. [2018-12-09 03:17:39,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1818 transitions. [2018-12-09 03:17:39,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-09 03:17:39,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:39,739 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 237 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:17:41,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:41,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1537 states and 1830 transitions. [2018-12-09 03:17:41,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 1830 transitions. [2018-12-09 03:17:41,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-09 03:17:41,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:42,284 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 03:17:47,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:47,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1585 states and 1882 transitions. [2018-12-09 03:17:47,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 1882 transitions. [2018-12-09 03:17:47,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-09 03:17:47,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:47,398 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 03:17:47,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:47,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1587 states and 1883 transitions. [2018-12-09 03:17:47,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 1883 transitions. [2018-12-09 03:17:47,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 03:17:47,775 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:47,832 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 03:17:48,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1890 states to 1592 states and 1890 transitions. [2018-12-09 03:17:48,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 1890 transitions. [2018-12-09 03:17:48,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-09 03:17:48,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:48,104 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 03:17:48,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:48,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1597 states and 1897 transitions. [2018-12-09 03:17:48,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 1897 transitions. [2018-12-09 03:17:48,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-09 03:17:48,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:48,938 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 63 proven. 148 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 03:17:52,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:52,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1676 states and 1985 transitions. [2018-12-09 03:17:52,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 1985 transitions. [2018-12-09 03:17:52,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-09 03:17:52,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:52,605 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-09 03:17:53,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:53,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 1746 states and 2059 transitions. [2018-12-09 03:17:53,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2059 transitions. [2018-12-09 03:17:53,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-09 03:17:53,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:53,882 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-12-09 03:17:56,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:56,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 1817 states and 2154 transitions. [2018-12-09 03:17:56,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2154 transitions. [2018-12-09 03:17:56,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-09 03:17:56,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:56,939 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-12-09 03:17:57,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:57,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 1822 states and 2158 transitions. [2018-12-09 03:17:57,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2158 transitions. [2018-12-09 03:17:57,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-09 03:17:57,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:57,565 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-12-09 03:17:58,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:58,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2163 states to 1828 states and 2163 transitions. [2018-12-09 03:17:58,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 2163 transitions. [2018-12-09 03:17:58,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-09 03:17:58,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:58,184 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-12-09 03:17:58,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:58,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 1831 states and 2166 transitions. [2018-12-09 03:17:58,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2166 transitions. [2018-12-09 03:17:58,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-09 03:17:58,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:58,546 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-12-09 03:17:58,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:58,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 1860 states and 2195 transitions. [2018-12-09 03:17:58,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2195 transitions. [2018-12-09 03:17:58,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-09 03:17:58,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:58,964 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-12-09 03:17:59,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:59,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 1877 states and 2213 transitions. [2018-12-09 03:17:59,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2213 transitions. [2018-12-09 03:17:59,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-09 03:17:59,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:59,100 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-12-09 03:17:59,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:17:59,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1885 states and 2220 transitions. [2018-12-09 03:17:59,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 2220 transitions. [2018-12-09 03:17:59,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-09 03:17:59,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:17:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:17:59,340 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 03:18:02,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:02,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2237 states to 1897 states and 2237 transitions. [2018-12-09 03:18:02,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2237 transitions. [2018-12-09 03:18:02,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-09 03:18:02,870 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:02,917 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 03:18:05,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:05,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 1913 states and 2253 transitions. [2018-12-09 03:18:05,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2253 transitions. [2018-12-09 03:18:05,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-09 03:18:05,084 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:05,133 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 03:18:07,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:07,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 1931 states and 2273 transitions. [2018-12-09 03:18:07,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2273 transitions. [2018-12-09 03:18:07,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-09 03:18:07,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:07,323 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 03:18:07,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:07,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 1933 states and 2275 transitions. [2018-12-09 03:18:07,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1933 states and 2275 transitions. [2018-12-09 03:18:07,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 03:18:07,730 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:07,787 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 206 proven. 69 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 03:18:09,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:09,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 2001 states and 2346 transitions. [2018-12-09 03:18:09,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2001 states and 2346 transitions. [2018-12-09 03:18:09,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-09 03:18:09,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:09,624 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 03:18:10,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:10,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 2007 states and 2352 transitions. [2018-12-09 03:18:10,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 2352 transitions. [2018-12-09 03:18:10,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-09 03:18:10,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:10,459 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 03:18:11,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:11,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 2018 states and 2364 transitions. [2018-12-09 03:18:11,551 INFO L276 IsEmpty]: Start isEmpty. Operand 2018 states and 2364 transitions. [2018-12-09 03:18:11,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-12-09 03:18:11,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:12,281 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 308 proven. 25 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 03:18:15,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:15,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2047 states and 2404 transitions. [2018-12-09 03:18:15,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2404 transitions. [2018-12-09 03:18:15,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-12-09 03:18:15,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 308 proven. 25 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 03:18:18,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:18,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2078 states and 2434 transitions. [2018-12-09 03:18:18,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 2434 transitions. [2018-12-09 03:18:18,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-09 03:18:18,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:18,421 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 285 proven. 54 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 03:18:24,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:24,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2112 states and 2474 transitions. [2018-12-09 03:18:24,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2474 transitions. [2018-12-09 03:18:24,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-09 03:18:24,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:24,336 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 285 proven. 54 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 03:18:25,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:25,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 2115 states and 2477 transitions. [2018-12-09 03:18:25,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2477 transitions. [2018-12-09 03:18:25,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-09 03:18:25,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:25,494 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 03:18:26,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:26,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2121 states and 2486 transitions. [2018-12-09 03:18:26,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2486 transitions. [2018-12-09 03:18:26,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-09 03:18:26,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:26,373 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 03:18:26,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:26,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2122 states and 2486 transitions. [2018-12-09 03:18:26,620 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 2486 transitions. [2018-12-09 03:18:26,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-09 03:18:26,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:26,703 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2018-12-09 03:18:27,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:27,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2192 states and 2560 transitions. [2018-12-09 03:18:27,437 INFO L276 IsEmpty]: Start isEmpty. Operand 2192 states and 2560 transitions. [2018-12-09 03:18:27,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 03:18:27,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:27,911 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 03:18:32,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:32,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 2234 states and 2604 transitions. [2018-12-09 03:18:32,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 2604 transitions. [2018-12-09 03:18:32,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 03:18:32,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:33,607 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 03:18:42,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:42,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2325 states and 2704 transitions. [2018-12-09 03:18:42,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 2704 transitions. [2018-12-09 03:18:42,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 03:18:42,443 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:42,706 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 03:18:43,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:43,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 2329 states and 2707 transitions. [2018-12-09 03:18:43,279 INFO L276 IsEmpty]: Start isEmpty. Operand 2329 states and 2707 transitions. [2018-12-09 03:18:43,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 03:18:43,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:43,545 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 03:18:44,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:44,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2331 states and 2708 transitions. [2018-12-09 03:18:44,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 2708 transitions. [2018-12-09 03:18:44,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 03:18:44,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:44,308 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 03:18:44,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:44,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 2331 states and 2707 transitions. [2018-12-09 03:18:44,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 2707 transitions. [2018-12-09 03:18:44,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 03:18:44,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:45,215 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 03:18:45,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:45,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2346 states and 2721 transitions. [2018-12-09 03:18:45,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 2721 transitions. [2018-12-09 03:18:45,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-09 03:18:45,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:47,998 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 03:18:53,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:53,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2386 states and 2764 transitions. [2018-12-09 03:18:53,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 2764 transitions. [2018-12-09 03:18:53,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-09 03:18:53,877 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 03:18:55,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:18:55,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2765 states to 2388 states and 2765 transitions. [2018-12-09 03:18:55,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 2765 transitions. [2018-12-09 03:18:55,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-09 03:18:55,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:18:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:18:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 03:19:01,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:01,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2816 states to 2418 states and 2816 transitions. [2018-12-09 03:19:01,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 2816 transitions. [2018-12-09 03:19:01,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 03:19:01,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:03,808 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 03:19:06,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:06,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2427 states and 2826 transitions. [2018-12-09 03:19:06,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 2826 transitions. [2018-12-09 03:19:06,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 03:19:06,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:06,850 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 03:19:11,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:11,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 2456 states and 2854 transitions. [2018-12-09 03:19:11,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 2854 transitions. [2018-12-09 03:19:11,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 03:19:11,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:11,688 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 03:19:16,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:16,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 2494 states and 2890 transitions. [2018-12-09 03:19:16,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 2890 transitions. [2018-12-09 03:19:16,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 03:19:16,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:18,611 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 03:19:23,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:23,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2938 states to 2542 states and 2938 transitions. [2018-12-09 03:19:23,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 2938 transitions. [2018-12-09 03:19:23,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 03:19:23,797 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:23,926 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 03:19:25,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:25,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 2564 states and 2959 transitions. [2018-12-09 03:19:25,293 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 2959 transitions. [2018-12-09 03:19:25,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-09 03:19:25,294 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:25,529 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-09 03:19:25,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:25,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2566 states and 2962 transitions. [2018-12-09 03:19:25,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2566 states and 2962 transitions. [2018-12-09 03:19:25,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-09 03:19:25,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:26,327 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-09 03:19:31,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:31,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3004 states to 2594 states and 3004 transitions. [2018-12-09 03:19:31,083 INFO L276 IsEmpty]: Start isEmpty. Operand 2594 states and 3004 transitions. [2018-12-09 03:19:31,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-09 03:19:31,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:31,197 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-09 03:19:33,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:33,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 2661 states and 3072 transitions. [2018-12-09 03:19:33,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 3072 transitions. [2018-12-09 03:19:33,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 03:19:33,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:33,973 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-12-09 03:19:39,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:39,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3191 states to 2769 states and 3191 transitions. [2018-12-09 03:19:39,058 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 3191 transitions. [2018-12-09 03:19:39,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-12-09 03:19:39,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:40,012 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-09 03:19:44,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:44,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3239 states to 2809 states and 3239 transitions. [2018-12-09 03:19:44,084 INFO L276 IsEmpty]: Start isEmpty. Operand 2809 states and 3239 transitions. [2018-12-09 03:19:44,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-12-09 03:19:44,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:44,185 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-09 03:19:46,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:46,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 2818 states and 3250 transitions. [2018-12-09 03:19:46,027 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 3250 transitions. [2018-12-09 03:19:46,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-09 03:19:46,030 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:47,159 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 502 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 03:19:50,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:19:50,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 2888 states and 3324 transitions. [2018-12-09 03:19:50,905 INFO L276 IsEmpty]: Start isEmpty. Operand 2888 states and 3324 transitions. [2018-12-09 03:19:50,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-09 03:19:50,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:19:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:19:51,467 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-09 03:20:01,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:01,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 3031 states and 3489 transitions. [2018-12-09 03:20:01,605 INFO L276 IsEmpty]: Start isEmpty. Operand 3031 states and 3489 transitions. [2018-12-09 03:20:01,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 03:20:01,606 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:03,244 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 03:20:05,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:05,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3528 states to 3069 states and 3528 transitions. [2018-12-09 03:20:05,846 INFO L276 IsEmpty]: Start isEmpty. Operand 3069 states and 3528 transitions. [2018-12-09 03:20:05,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 03:20:05,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:06,021 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 03:20:07,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:07,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3105 states and 3563 transitions. [2018-12-09 03:20:07,966 INFO L276 IsEmpty]: Start isEmpty. Operand 3105 states and 3563 transitions. [2018-12-09 03:20:07,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-09 03:20:07,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:08,107 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 249 proven. 298 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-12-09 03:20:09,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:09,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3570 states to 3110 states and 3570 transitions. [2018-12-09 03:20:09,050 INFO L276 IsEmpty]: Start isEmpty. Operand 3110 states and 3570 transitions. [2018-12-09 03:20:09,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-09 03:20:09,052 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:09,191 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 382 proven. 4 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-12-09 03:20:10,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:10,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3577 states to 3115 states and 3577 transitions. [2018-12-09 03:20:10,317 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 3577 transitions. [2018-12-09 03:20:10,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-09 03:20:10,319 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:11,201 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-12-09 03:20:14,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:14,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3184 states and 3648 transitions. [2018-12-09 03:20:14,015 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 3648 transitions. [2018-12-09 03:20:14,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-09 03:20:14,016 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:18,241 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-09 03:20:26,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:26,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3697 states to 3231 states and 3697 transitions. [2018-12-09 03:20:26,992 INFO L276 IsEmpty]: Start isEmpty. Operand 3231 states and 3697 transitions. [2018-12-09 03:20:26,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-09 03:20:26,996 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:27,150 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-09 03:20:31,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:31,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3734 states to 3269 states and 3734 transitions. [2018-12-09 03:20:31,260 INFO L276 IsEmpty]: Start isEmpty. Operand 3269 states and 3734 transitions. [2018-12-09 03:20:31,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-09 03:20:31,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:31,409 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-09 03:20:32,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:32,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3737 states to 3274 states and 3737 transitions. [2018-12-09 03:20:32,990 INFO L276 IsEmpty]: Start isEmpty. Operand 3274 states and 3737 transitions. [2018-12-09 03:20:32,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-12-09 03:20:32,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:36,292 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-09 03:20:40,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:40,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3746 states to 3279 states and 3746 transitions. [2018-12-09 03:20:40,492 INFO L276 IsEmpty]: Start isEmpty. Operand 3279 states and 3746 transitions. [2018-12-09 03:20:40,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-12-09 03:20:40,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:40,667 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-09 03:20:43,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:43,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3769 states to 3300 states and 3769 transitions. [2018-12-09 03:20:43,288 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 3769 transitions. [2018-12-09 03:20:43,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-12-09 03:20:43,292 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:43,469 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-09 03:20:46,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:46,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3798 states to 3325 states and 3798 transitions. [2018-12-09 03:20:46,799 INFO L276 IsEmpty]: Start isEmpty. Operand 3325 states and 3798 transitions. [2018-12-09 03:20:46,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-12-09 03:20:46,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:46,974 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-09 03:20:48,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:48,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 3335 states and 3806 transitions. [2018-12-09 03:20:48,439 INFO L276 IsEmpty]: Start isEmpty. Operand 3335 states and 3806 transitions. [2018-12-09 03:20:48,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-12-09 03:20:48,443 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:49,088 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-12-09 03:20:57,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:20:57,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3870 states to 3386 states and 3870 transitions. [2018-12-09 03:20:57,098 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3870 transitions. [2018-12-09 03:20:57,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-12-09 03:20:57,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:20:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:20:57,247 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-12-09 03:21:02,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:02,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3957 states to 3473 states and 3957 transitions. [2018-12-09 03:21:02,057 INFO L276 IsEmpty]: Start isEmpty. Operand 3473 states and 3957 transitions. [2018-12-09 03:21:02,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-12-09 03:21:02,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:05,628 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-09 03:21:10,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:10,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3973 states to 3486 states and 3973 transitions. [2018-12-09 03:21:10,670 INFO L276 IsEmpty]: Start isEmpty. Operand 3486 states and 3973 transitions. [2018-12-09 03:21:10,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-12-09 03:21:10,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:10,854 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-09 03:21:12,925 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2018-12-09 03:21:16,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:16,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4001 states to 3509 states and 4001 transitions. [2018-12-09 03:21:16,150 INFO L276 IsEmpty]: Start isEmpty. Operand 3509 states and 4001 transitions. [2018-12-09 03:21:16,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-12-09 03:21:16,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:16,332 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-09 03:21:18,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:18,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4012 states to 3520 states and 4012 transitions. [2018-12-09 03:21:18,189 INFO L276 IsEmpty]: Start isEmpty. Operand 3520 states and 4012 transitions. [2018-12-09 03:21:18,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-12-09 03:21:18,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:18,372 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-09 03:21:18,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:18,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4013 states to 3521 states and 4013 transitions. [2018-12-09 03:21:18,921 INFO L276 IsEmpty]: Start isEmpty. Operand 3521 states and 4013 transitions. [2018-12-09 03:21:18,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-12-09 03:21:18,923 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:21,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 766 proven. 94 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-09 03:21:29,956 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-09 03:21:32,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:32,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4065 states to 3570 states and 4065 transitions. [2018-12-09 03:21:32,429 INFO L276 IsEmpty]: Start isEmpty. Operand 3570 states and 4065 transitions. [2018-12-09 03:21:32,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-12-09 03:21:32,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:32,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 766 proven. 94 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-09 03:21:35,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:35,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4069 states to 3575 states and 4069 transitions. [2018-12-09 03:21:35,010 INFO L276 IsEmpty]: Start isEmpty. Operand 3575 states and 4069 transitions. [2018-12-09 03:21:35,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-12-09 03:21:35,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:35,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 766 proven. 94 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-09 03:21:36,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:36,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4085 states to 3592 states and 4085 transitions. [2018-12-09 03:21:36,800 INFO L276 IsEmpty]: Start isEmpty. Operand 3592 states and 4085 transitions. [2018-12-09 03:21:36,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2018-12-09 03:21:36,804 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:41,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 848 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-09 03:21:46,225 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-09 03:21:51,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:51,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4128 states to 3631 states and 4128 transitions. [2018-12-09 03:21:51,873 INFO L276 IsEmpty]: Start isEmpty. Operand 3631 states and 4128 transitions. [2018-12-09 03:21:51,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2018-12-09 03:21:51,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:52,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 848 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-09 03:21:53,445 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-09 03:21:54,662 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-09 03:21:55,724 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-12-09 03:21:56,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:56,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4135 states to 3639 states and 4135 transitions. [2018-12-09 03:21:56,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3639 states and 4135 transitions. [2018-12-09 03:21:56,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2018-12-09 03:21:56,771 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:56,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 848 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-09 03:21:57,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:21:57,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4135 states to 3640 states and 4135 transitions. [2018-12-09 03:21:57,680 INFO L276 IsEmpty]: Start isEmpty. Operand 3640 states and 4135 transitions. [2018-12-09 03:21:57,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 03:21:57,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:21:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:21:57,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 372 proven. 369 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2018-12-09 03:22:01,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:22:01,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4155 states to 3648 states and 4155 transitions. [2018-12-09 03:22:01,241 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 4155 transitions. [2018-12-09 03:22:01,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2018-12-09 03:22:01,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:22:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:22:01,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 573 proven. 8 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2018-12-09 03:22:05,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:22:05,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4227 states to 3718 states and 4227 transitions. [2018-12-09 03:22:05,279 INFO L276 IsEmpty]: Start isEmpty. Operand 3718 states and 4227 transitions. [2018-12-09 03:22:05,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-09 03:22:05,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:22:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:22:05,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 500 proven. 274 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-12-09 03:22:08,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:22:08,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4148 states to 3642 states and 4148 transitions. [2018-12-09 03:22:08,401 INFO L276 IsEmpty]: Start isEmpty. Operand 3642 states and 4148 transitions. [2018-12-09 03:22:08,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 03:22:08,403 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 154 iterations. [2018-12-09 03:22:08,409 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 03:22:08,671 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 47 [2018-12-09 03:22:08,915 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 46 [2018-12-09 03:22:09,257 WARN L180 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 39 [2018-12-09 03:22:09,498 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 44 [2018-12-09 03:22:09,736 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 39 [2018-12-09 03:22:10,047 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 46 [2018-12-09 03:22:10,186 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 13 [2018-12-09 03:22:10,367 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 13 [2018-12-09 03:22:10,634 WARN L180 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 39 [2018-12-09 03:22:10,854 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 13 [2018-12-09 03:22:11,149 WARN L180 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 51 [2018-12-09 03:22:11,375 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 45 [2018-12-09 03:22:11,642 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 13 [2018-12-09 03:22:11,898 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 13 [2018-12-09 03:22:12,424 WARN L180 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 51 [2018-12-09 03:22:12,778 WARN L180 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 38 [2018-12-09 03:22:13,012 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 44 [2018-12-09 03:22:13,301 WARN L180 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 39 [2018-12-09 03:22:13,621 WARN L180 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 51 [2018-12-09 03:22:13,934 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 44 [2018-12-09 03:22:14,159 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 44 [2018-12-09 03:22:14,387 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 44 [2018-12-09 03:22:14,724 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 46 [2018-12-09 03:22:15,013 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 44 [2018-12-09 03:22:15,242 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 44 [2018-12-09 03:22:15,479 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 37 [2018-12-09 03:22:15,775 WARN L180 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 51 [2018-12-09 03:22:16,023 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 13 [2018-12-09 03:22:16,240 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 37 [2018-12-09 03:22:16,538 WARN L180 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 51 [2018-12-09 03:22:16,870 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 51 [2018-12-09 03:22:17,171 WARN L180 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 51 [2018-12-09 03:22:17,274 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 13 [2018-12-09 03:22:17,665 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 51 [2018-12-09 03:22:17,809 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 13 [2018-12-09 03:22:18,121 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 44 [2018-12-09 03:22:18,223 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 13 [2018-12-09 03:22:18,563 WARN L180 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 51 [2018-12-09 03:22:19,062 WARN L180 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 47 [2018-12-09 03:22:19,649 WARN L180 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 39 [2018-12-09 03:22:20,496 WARN L180 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 76 [2018-12-09 03:22:21,137 WARN L180 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 46 [2018-12-09 03:22:21,373 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 44 [2018-12-09 03:22:21,633 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 38 [2018-12-09 03:22:21,925 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 39 [2018-12-09 03:22:22,196 WARN L180 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 46 [2018-12-09 03:22:22,490 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 51 [2018-12-09 03:22:22,710 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 45 [2018-12-09 03:22:22,711 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 03:22:22,712 INFO L583 CodeCheckObserver]: Invariant with dag size 13 [2018-12-09 03:22:22,717 INFO L583 CodeCheckObserver]: Invariant with dag size 13 [2018-12-09 03:22:22,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 03:22:22 ImpRootNode [2018-12-09 03:22:22,717 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 03:22:22,718 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 03:22:22,718 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 03:22:22,718 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 03:22:22,718 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:16:20" (3/4) ... [2018-12-09 03:22:22,721 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 03:22:22,731 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 100 nodes and edges [2018-12-09 03:22:22,732 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-09 03:22:22,733 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 03:22:22,733 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 03:22:22,788 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_11ca4371-bcb2-4798-b383-63849e1fc716/bin-2019/ukojak/witness.graphml [2018-12-09 03:22:22,788 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 03:22:22,789 INFO L168 Benchmark]: Toolchain (without parser) took 363753.70 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.9 GB). Free memory was 946.3 MB in the beginning and 484.4 MB in the end (delta: 461.9 MB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-12-09 03:22:22,789 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 03:22:22,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. [2018-12-09 03:22:22,789 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 03:22:22,790 INFO L168 Benchmark]: Boogie Preprocessor took 30.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 03:22:22,790 INFO L168 Benchmark]: RCFGBuilder took 972.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 876.8 MB in the end (delta: 208.1 MB). Peak memory consumption was 208.1 MB. Max. memory is 11.5 GB. [2018-12-09 03:22:22,790 INFO L168 Benchmark]: CodeCheck took 362340.07 ms. Allocated memory was 1.1 GB in the beginning and 2.9 GB in the end (delta: 1.8 GB). Free memory was 876.8 MB in the beginning and 484.4 MB in the end (delta: 392.4 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-12-09 03:22:22,790 INFO L168 Benchmark]: Witness Printer took 70.22 ms. Allocated memory is still 2.9 GB. Free memory was 484.4 MB in the beginning and 484.4 MB in the end (delta: 12.7 kB). Peak memory consumption was 12.7 kB. Max. memory is 11.5 GB. [2018-12-09 03:22:22,792 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 347.9s OverallTime, 154 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1760476004 SDtfs, 1232307296 SDslu, -1973988696 SDs, 0 SdLazy, -854135704 SolverSat, -433372288 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 779.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 216648 GetRequests, 207925 SyntacticMatches, 6717 SemanticMatches, 2006 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3237206 ImplicationChecksByTransitivity, 314.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 46.5s InterpolantComputationTime, 33364 NumberOfCodeBlocks, 33364 NumberOfCodeBlocksAsserted, 153 NumberOfCheckSat, 33211 ConstructedInterpolants, 0 QuantifiedInterpolants, 60074608 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 153 InterpolantComputations, 115 PerfectInterpolantSequences, 47434/49512 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: 542]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (!(a17 == 1) || !(a8 == 14)) || !(a16 == 5) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (!(a17 == 1) || !(a8 == 14)) || !(a16 == 5) * 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 972.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 876.8 MB in the end (delta: 208.1 MB). Peak memory consumption was 208.1 MB. Max. memory is 11.5 GB. * CodeCheck took 362340.07 ms. Allocated memory was 1.1 GB in the beginning and 2.9 GB in the end (delta: 1.8 GB). Free memory was 876.8 MB in the beginning and 484.4 MB in the end (delta: 392.4 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. * Witness Printer took 70.22 ms. Allocated memory is still 2.9 GB. Free memory was 484.4 MB in the beginning and 484.4 MB in the end (delta: 12.7 kB). Peak memory consumption was 12.7 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...