./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cd874986-eb33-423c-ab98-cd85ab4792bd/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cd874986-eb33-423c-ab98-cd85ab4792bd/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cd874986-eb33-423c-ab98-cd85ab4792bd/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cd874986-eb33-423c-ab98-cd85ab4792bd/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cd874986-eb33-423c-ab98-cd85ab4792bd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cd874986-eb33-423c-ab98-cd85ab4792bd/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 29670da151301b8436a6c7ddafad57f5257b4a8d ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:59:21,211 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:59:21,212 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:59:21,225 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:59:21,225 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:59:21,226 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:59:21,228 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:59:21,229 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:59:21,231 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:59:21,232 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:59:21,233 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:59:21,233 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:59:21,234 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:59:21,235 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:59:21,237 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:59:21,237 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:59:21,238 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:59:21,240 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:59:21,242 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:59:21,244 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:59:21,244 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:59:21,246 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:59:21,248 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:59:21,248 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:59:21,249 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:59:21,250 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:59:21,250 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:59:21,252 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:59:21,253 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:59:21,254 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:59:21,254 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:59:21,255 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:59:21,255 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:59:21,256 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:59:21,257 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:59:21,257 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:59:21,258 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cd874986-eb33-423c-ab98-cd85ab4792bd/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 23:59:21,271 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:59:21,272 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:59:21,272 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:59:21,273 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:59:21,273 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:59:21,273 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:59:21,274 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:59:21,274 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:59:21,274 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:59:21,274 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:59:21,274 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:59:21,274 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:59:21,275 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:59:21,275 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:59:21,275 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:59:21,277 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:59:21,277 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:59:21,277 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:59:21,277 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:59:21,278 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:59:21,278 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:59:21,278 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:59:21,278 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:59:21,278 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:59:21,278 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:59:21,279 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 23:59:21,279 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:59:21,279 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:59:21,279 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_cd874986-eb33-423c-ab98-cd85ab4792bd/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 -> 29670da151301b8436a6c7ddafad57f5257b4a8d [2018-10-26 23:59:21,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:59:21,335 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:59:21,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:59:21,342 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:59:21,342 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:59:21,343 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cd874986-eb33-423c-ab98-cd85ab4792bd/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-10-26 23:59:21,409 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd874986-eb33-423c-ab98-cd85ab4792bd/bin-2019/ukojak/data/05daf168a/afc1f1780cf34c578c03aee71f0abde8/FLAGc9c12f3c6 [2018-10-26 23:59:21,889 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:59:21,890 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cd874986-eb33-423c-ab98-cd85ab4792bd/sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-10-26 23:59:21,905 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd874986-eb33-423c-ab98-cd85ab4792bd/bin-2019/ukojak/data/05daf168a/afc1f1780cf34c578c03aee71f0abde8/FLAGc9c12f3c6 [2018-10-26 23:59:21,921 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cd874986-eb33-423c-ab98-cd85ab4792bd/bin-2019/ukojak/data/05daf168a/afc1f1780cf34c578c03aee71f0abde8 [2018-10-26 23:59:21,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:59:21,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:59:21,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:59:21,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:59:21,932 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:59:21,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:59:21" (1/1) ... [2018-10-26 23:59:21,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a1f0ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:21, skipping insertion in model container [2018-10-26 23:59:21,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:59:21" (1/1) ... [2018-10-26 23:59:21,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:59:22,006 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:59:22,401 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:59:22,411 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:59:22,512 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:59:22,527 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:59:22,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:22 WrapperNode [2018-10-26 23:59:22,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:59:22,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:59:22,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:59:22,529 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:59:22,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:22" (1/1) ... [2018-10-26 23:59:22,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:22" (1/1) ... [2018-10-26 23:59:22,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:59:22,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:59:22,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:59:22,760 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:59:22,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:22" (1/1) ... [2018-10-26 23:59:22,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:22" (1/1) ... [2018-10-26 23:59:22,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:22" (1/1) ... [2018-10-26 23:59:22,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:22" (1/1) ... [2018-10-26 23:59:22,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:22" (1/1) ... [2018-10-26 23:59:22,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:22" (1/1) ... [2018-10-26 23:59:22,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:22" (1/1) ... [2018-10-26 23:59:22,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:59:22,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:59:22,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:59:22,861 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:59:22,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:59:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd874986-eb33-423c-ab98-cd85ab4792bd/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 [2018-10-26 23:59:22,932 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 23:59:22,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:59:22,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:59:27,749 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:59:27,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:59:27 BoogieIcfgContainer [2018-10-26 23:59:27,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:59:27,750 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:59:27,750 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:59:27,763 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:59:27,763 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:59:27" (1/1) ... [2018-10-26 23:59:27,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:59:27,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:27,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-10-26 23:59:27,822 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-10-26 23:59:27,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 23:59:27,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:28,454 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-26 23:59:28,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:29,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:29,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 147 states and 246 transitions. [2018-10-26 23:59:29,620 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 246 transitions. [2018-10-26 23:59:29,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-26 23:59:29,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:29,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:30,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:30,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 148 states and 247 transitions. [2018-10-26 23:59:30,340 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 247 transitions. [2018-10-26 23:59:30,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-26 23:59:30,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:30,471 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:30,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:30,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 153 states and 256 transitions. [2018-10-26 23:59:30,680 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 256 transitions. [2018-10-26 23:59:30,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 23:59:30,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:31,049 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:31,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:31,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 158 states and 264 transitions. [2018-10-26 23:59:31,378 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 264 transitions. [2018-10-26 23:59:31,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-26 23:59:31,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:31,406 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 23:59:31,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:31,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 159 states and 265 transitions. [2018-10-26 23:59:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 265 transitions. [2018-10-26 23:59:31,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 23:59:31,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:31,805 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 23:59:32,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:32,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 172 states and 287 transitions. [2018-10-26 23:59:32,206 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 287 transitions. [2018-10-26 23:59:32,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-26 23:59:32,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:32,357 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:32,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:32,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 187 states and 310 transitions. [2018-10-26 23:59:32,938 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 310 transitions. [2018-10-26 23:59:32,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-26 23:59:32,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:33,206 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 23:59:33,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:33,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 198 states and 327 transitions. [2018-10-26 23:59:33,999 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 327 transitions. [2018-10-26 23:59:34,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-26 23:59:34,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:34,071 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:34,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:34,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 206 states and 337 transitions. [2018-10-26 23:59:34,334 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 337 transitions. [2018-10-26 23:59:34,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 23:59:34,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:34,483 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:36,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:36,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 222 states and 362 transitions. [2018-10-26 23:59:36,497 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 362 transitions. [2018-10-26 23:59:36,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 23:59:36,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:36,556 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:37,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:37,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 229 states and 373 transitions. [2018-10-26 23:59:37,028 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 373 transitions. [2018-10-26 23:59:37,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-26 23:59:37,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:37,137 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 23:59:37,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 237 states and 386 transitions. [2018-10-26 23:59:37,849 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 386 transitions. [2018-10-26 23:59:37,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-26 23:59:37,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:38,435 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:38,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:38,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 243 states and 396 transitions. [2018-10-26 23:59:38,763 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 396 transitions. [2018-10-26 23:59:38,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 23:59:38,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:38,821 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 23:59:39,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:39,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 254 states and 408 transitions. [2018-10-26 23:59:39,549 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 408 transitions. [2018-10-26 23:59:39,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 23:59:39,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:39,625 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 23:59:40,353 WARN L179 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2018-10-26 23:59:40,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:40,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 261 states and 416 transitions. [2018-10-26 23:59:40,713 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 416 transitions. [2018-10-26 23:59:40,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 23:59:40,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:40,744 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:41,397 WARN L179 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 21 [2018-10-26 23:59:41,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:41,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 274 states and 432 transitions. [2018-10-26 23:59:41,829 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 432 transitions. [2018-10-26 23:59:41,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-26 23:59:41,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:41,863 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 23:59:42,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:42,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 280 states and 441 transitions. [2018-10-26 23:59:42,226 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 441 transitions. [2018-10-26 23:59:42,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-26 23:59:42,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:42,258 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:42,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:42,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 295 states and 460 transitions. [2018-10-26 23:59:42,940 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 460 transitions. [2018-10-26 23:59:42,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 23:59:42,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:42,971 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 23:59:43,635 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 23:59:44,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:44,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 303 states and 471 transitions. [2018-10-26 23:59:44,252 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 471 transitions. [2018-10-26 23:59:44,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-26 23:59:44,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:44,822 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:45,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:45,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 320 states and 492 transitions. [2018-10-26 23:59:45,653 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 492 transitions. [2018-10-26 23:59:45,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 23:59:45,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:45,733 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 23:59:46,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:46,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 328 states and 499 transitions. [2018-10-26 23:59:46,036 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 499 transitions. [2018-10-26 23:59:46,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 23:59:46,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:46,070 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 23:59:46,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:46,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 336 states and 507 transitions. [2018-10-26 23:59:46,419 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 507 transitions. [2018-10-26 23:59:46,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 23:59:46,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:46,454 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:47,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:47,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 348 states and 522 transitions. [2018-10-26 23:59:47,054 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 522 transitions. [2018-10-26 23:59:47,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 23:59:47,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:47,090 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:47,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:47,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 352 states and 526 transitions. [2018-10-26 23:59:47,314 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 526 transitions. [2018-10-26 23:59:47,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 23:59:47,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:47,367 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 23:59:47,983 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-26 23:59:49,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:49,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 354 states and 528 transitions. [2018-10-26 23:59:49,629 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 528 transitions. [2018-10-26 23:59:49,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 23:59:49,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:51,017 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:51,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:51,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 360 states and 542 transitions. [2018-10-26 23:59:51,386 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 542 transitions. [2018-10-26 23:59:51,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 23:59:51,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:51,449 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:52,180 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 23:59:52,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:52,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 431 states and 618 transitions. [2018-10-26 23:59:52,820 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 618 transitions. [2018-10-26 23:59:52,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 23:59:52,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:53,021 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 23:59:54,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:54,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 449 states and 642 transitions. [2018-10-26 23:59:54,145 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 642 transitions. [2018-10-26 23:59:54,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-26 23:59:54,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:54,388 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:55,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:55,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 463 states and 662 transitions. [2018-10-26 23:59:55,113 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 662 transitions. [2018-10-26 23:59:55,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-26 23:59:55,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:55,175 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:56,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:56,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 473 states and 675 transitions. [2018-10-26 23:59:56,593 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 675 transitions. [2018-10-26 23:59:56,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-26 23:59:56,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:56,647 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:57,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:57,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 483 states and 688 transitions. [2018-10-26 23:59:57,760 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 688 transitions. [2018-10-26 23:59:57,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-26 23:59:57,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:57,816 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:58,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:58,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 485 states and 690 transitions. [2018-10-26 23:59:58,030 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 690 transitions. [2018-10-26 23:59:58,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-26 23:59:58,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:58,088 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:58,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:58,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 486 states and 694 transitions. [2018-10-26 23:59:58,368 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 694 transitions. [2018-10-26 23:59:58,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-26 23:59:58,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:58,429 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:58,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:58,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 488 states and 696 transitions. [2018-10-26 23:59:58,616 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 696 transitions. [2018-10-26 23:59:58,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-26 23:59:58,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:58,704 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:59:58,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:59:58,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 489 states and 699 transitions. [2018-10-26 23:59:58,934 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 699 transitions. [2018-10-26 23:59:58,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 23:59:58,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:59:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:59:59,007 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-27 00:00:00,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:00,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 504 states and 720 transitions. [2018-10-27 00:00:00,262 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 720 transitions. [2018-10-27 00:00:00,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-27 00:00:00,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:00,684 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 57 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-27 00:00:01,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:01,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 527 states and 750 transitions. [2018-10-27 00:00:01,542 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 750 transitions. [2018-10-27 00:00:01,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-27 00:00:01,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:01,622 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:01,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:01,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 538 states and 763 transitions. [2018-10-27 00:00:01,949 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 763 transitions. [2018-10-27 00:00:01,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-27 00:00:01,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:02,181 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:02,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:02,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 541 states and 768 transitions. [2018-10-27 00:00:02,768 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 768 transitions. [2018-10-27 00:00:02,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-27 00:00:02,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:03,010 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:03,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:03,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 543 states and 771 transitions. [2018-10-27 00:00:03,155 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 771 transitions. [2018-10-27 00:00:03,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-27 00:00:03,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:03,236 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:03,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:03,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 544 states and 771 transitions. [2018-10-27 00:00:03,352 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 771 transitions. [2018-10-27 00:00:03,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-27 00:00:03,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:03,411 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:03,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:03,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 551 states and 779 transitions. [2018-10-27 00:00:03,583 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 779 transitions. [2018-10-27 00:00:03,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-27 00:00:03,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:03,877 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:04,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:04,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 568 states and 804 transitions. [2018-10-27 00:00:04,694 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 804 transitions. [2018-10-27 00:00:04,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-27 00:00:04,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:04,737 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:06,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:06,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 603 states and 855 transitions. [2018-10-27 00:00:06,563 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 855 transitions. [2018-10-27 00:00:06,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-27 00:00:06,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:06,602 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:07,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:07,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 627 states and 879 transitions. [2018-10-27 00:00:07,749 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 879 transitions. [2018-10-27 00:00:07,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-27 00:00:07,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:07,786 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:09,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:09,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 638 states and 891 transitions. [2018-10-27 00:00:09,039 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 891 transitions. [2018-10-27 00:00:09,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-27 00:00:09,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:09,188 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:09,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:09,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 647 states and 900 transitions. [2018-10-27 00:00:09,668 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 900 transitions. [2018-10-27 00:00:09,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-27 00:00:09,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:09,713 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:09,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:09,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 648 states and 901 transitions. [2018-10-27 00:00:09,966 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 901 transitions. [2018-10-27 00:00:09,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-27 00:00:09,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:10,002 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:00:11,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:11,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 662 states and 922 transitions. [2018-10-27 00:00:11,287 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 922 transitions. [2018-10-27 00:00:11,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-27 00:00:11,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:11,326 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:00:11,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:11,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 667 states and 927 transitions. [2018-10-27 00:00:11,845 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 927 transitions. [2018-10-27 00:00:11,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-27 00:00:11,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:11,883 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:00:12,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:12,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 676 states and 936 transitions. [2018-10-27 00:00:12,361 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 936 transitions. [2018-10-27 00:00:12,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-27 00:00:12,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:12,393 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:00:12,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:12,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 677 states and 936 transitions. [2018-10-27 00:00:12,697 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 936 transitions. [2018-10-27 00:00:12,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-27 00:00:12,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:12,767 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:12,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:12,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 684 states and 944 transitions. [2018-10-27 00:00:12,810 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 944 transitions. [2018-10-27 00:00:12,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-27 00:00:12,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:12,845 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:00:13,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:13,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 685 states and 947 transitions. [2018-10-27 00:00:13,013 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 947 transitions. [2018-10-27 00:00:13,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-27 00:00:13,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:13,057 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:00:13,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:13,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 686 states and 948 transitions. [2018-10-27 00:00:13,418 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 948 transitions. [2018-10-27 00:00:13,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-27 00:00:13,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:13,577 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-27 00:00:14,767 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-27 00:00:14,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:14,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 709 states and 975 transitions. [2018-10-27 00:00:14,787 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 975 transitions. [2018-10-27 00:00:14,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-27 00:00:14,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:15,782 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:18,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:18,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 754 states and 1022 transitions. [2018-10-27 00:00:18,265 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1022 transitions. [2018-10-27 00:00:18,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-27 00:00:18,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:18,593 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:19,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:19,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 768 states and 1044 transitions. [2018-10-27 00:00:19,554 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1044 transitions. [2018-10-27 00:00:19,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-27 00:00:19,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:19,626 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-27 00:00:19,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:19,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 774 states and 1055 transitions. [2018-10-27 00:00:19,881 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1055 transitions. [2018-10-27 00:00:19,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-27 00:00:19,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:19,917 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:20,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:20,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 782 states and 1070 transitions. [2018-10-27 00:00:20,732 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1070 transitions. [2018-10-27 00:00:20,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-27 00:00:20,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:20,788 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:21,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:21,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 784 states and 1074 transitions. [2018-10-27 00:00:21,049 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1074 transitions. [2018-10-27 00:00:21,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-27 00:00:21,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:21,100 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:21,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:21,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 785 states and 1074 transitions. [2018-10-27 00:00:21,412 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1074 transitions. [2018-10-27 00:00:21,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-27 00:00:21,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:21,608 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:21,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:21,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 786 states and 1074 transitions. [2018-10-27 00:00:21,880 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1074 transitions. [2018-10-27 00:00:21,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-27 00:00:21,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:22,037 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:24,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:24,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 811 states and 1105 transitions. [2018-10-27 00:00:24,040 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1105 transitions. [2018-10-27 00:00:24,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-27 00:00:24,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:24,155 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:24,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:24,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 819 states and 1112 transitions. [2018-10-27 00:00:24,905 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1112 transitions. [2018-10-27 00:00:24,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-27 00:00:24,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:24,937 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:25,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:25,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 824 states and 1120 transitions. [2018-10-27 00:00:25,116 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1120 transitions. [2018-10-27 00:00:25,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 00:00:25,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:25,200 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 100 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-10-27 00:00:26,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:26,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 827 states and 1124 transitions. [2018-10-27 00:00:26,004 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1124 transitions. [2018-10-27 00:00:26,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 00:00:26,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:26,310 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 100 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-10-27 00:00:27,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:27,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 837 states and 1134 transitions. [2018-10-27 00:00:27,063 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1134 transitions. [2018-10-27 00:00:27,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 00:00:27,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:27,101 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:00:27,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:27,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 847 states and 1148 transitions. [2018-10-27 00:00:27,579 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1148 transitions. [2018-10-27 00:00:27,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 00:00:27,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:27,625 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:00:27,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:27,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 851 states and 1151 transitions. [2018-10-27 00:00:27,982 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1151 transitions. [2018-10-27 00:00:27,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-27 00:00:27,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:28,034 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:00:31,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:31,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 891 states and 1214 transitions. [2018-10-27 00:00:31,128 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1214 transitions. [2018-10-27 00:00:31,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-27 00:00:31,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:31,168 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:00:33,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:33,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 913 states and 1241 transitions. [2018-10-27 00:00:33,064 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1241 transitions. [2018-10-27 00:00:33,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-27 00:00:33,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:33,095 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:00:33,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:33,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 937 states and 1264 transitions. [2018-10-27 00:00:33,982 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1264 transitions. [2018-10-27 00:00:33,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-27 00:00:33,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:34,042 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:00:34,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:34,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 939 states and 1265 transitions. [2018-10-27 00:00:34,541 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1265 transitions. [2018-10-27 00:00:34,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-27 00:00:34,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:34,683 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 103 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-10-27 00:00:35,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:35,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 946 states and 1277 transitions. [2018-10-27 00:00:35,722 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1277 transitions. [2018-10-27 00:00:35,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-27 00:00:35,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:35,947 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 103 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-10-27 00:00:36,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:36,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 949 states and 1281 transitions. [2018-10-27 00:00:36,442 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1281 transitions. [2018-10-27 00:00:36,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-27 00:00:36,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:36,532 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 103 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-10-27 00:00:36,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:36,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 951 states and 1282 transitions. [2018-10-27 00:00:36,885 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1282 transitions. [2018-10-27 00:00:36,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-27 00:00:36,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:37,131 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 00:00:38,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:38,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 968 states and 1305 transitions. [2018-10-27 00:00:38,685 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1305 transitions. [2018-10-27 00:00:38,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-27 00:00:38,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:39,408 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-27 00:00:42,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:42,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 993 states and 1335 transitions. [2018-10-27 00:00:42,499 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1335 transitions. [2018-10-27 00:00:42,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-27 00:00:42,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:43,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:43,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1018 states and 1365 transitions. [2018-10-27 00:00:43,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1365 transitions. [2018-10-27 00:00:43,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-27 00:00:43,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:43,851 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:44,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:44,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1022 states and 1368 transitions. [2018-10-27 00:00:44,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1368 transitions. [2018-10-27 00:00:44,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-27 00:00:44,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:44,410 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:44,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:44,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1023 states and 1368 transitions. [2018-10-27 00:00:44,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1368 transitions. [2018-10-27 00:00:44,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-27 00:00:44,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:44,660 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-27 00:00:45,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:45,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1040 states and 1387 transitions. [2018-10-27 00:00:45,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1387 transitions. [2018-10-27 00:00:45,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-27 00:00:45,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:45,652 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-27 00:00:46,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:46,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1051 states and 1398 transitions. [2018-10-27 00:00:46,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1398 transitions. [2018-10-27 00:00:46,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-27 00:00:46,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:46,576 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-27 00:00:47,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:47,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1058 states and 1408 transitions. [2018-10-27 00:00:47,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1408 transitions. [2018-10-27 00:00:47,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-27 00:00:47,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:47,366 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-27 00:00:47,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:47,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1061 states and 1411 transitions. [2018-10-27 00:00:47,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1411 transitions. [2018-10-27 00:00:47,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-27 00:00:47,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:47,510 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:47,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:47,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1080 states and 1432 transitions. [2018-10-27 00:00:47,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1432 transitions. [2018-10-27 00:00:47,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-27 00:00:47,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:47,870 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-27 00:00:48,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:48,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1088 states and 1444 transitions. [2018-10-27 00:00:48,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1444 transitions. [2018-10-27 00:00:48,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-27 00:00:48,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:48,312 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-27 00:00:48,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:48,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1093 states and 1449 transitions. [2018-10-27 00:00:48,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1449 transitions. [2018-10-27 00:00:48,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-27 00:00:48,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:48,719 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-27 00:00:49,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:49,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1098 states and 1454 transitions. [2018-10-27 00:00:49,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1454 transitions. [2018-10-27 00:00:49,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-27 00:00:49,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:49,085 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-27 00:00:49,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:49,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1107 states and 1466 transitions. [2018-10-27 00:00:49,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1466 transitions. [2018-10-27 00:00:49,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-27 00:00:49,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:49,818 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 00:00:50,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:50,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1111 states and 1469 transitions. [2018-10-27 00:00:50,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1469 transitions. [2018-10-27 00:00:50,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-27 00:00:50,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:50,212 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-10-27 00:00:50,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:50,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1122 states and 1480 transitions. [2018-10-27 00:00:50,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1480 transitions. [2018-10-27 00:00:50,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-27 00:00:50,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:50,780 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:00:50,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:50,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1141 states and 1501 transitions. [2018-10-27 00:00:50,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1501 transitions. [2018-10-27 00:00:50,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-27 00:00:50,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:50,921 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:00:51,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:51,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1146 states and 1507 transitions. [2018-10-27 00:00:51,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1507 transitions. [2018-10-27 00:00:51,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-27 00:00:51,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:51,184 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:00:51,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:51,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1150 states and 1511 transitions. [2018-10-27 00:00:51,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1511 transitions. [2018-10-27 00:00:51,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-27 00:00:51,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:51,638 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-10-27 00:00:52,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:52,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1170 states and 1536 transitions. [2018-10-27 00:00:52,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1536 transitions. [2018-10-27 00:00:52,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-27 00:00:52,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:52,106 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 00:00:52,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:52,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1179 states and 1551 transitions. [2018-10-27 00:00:52,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1551 transitions. [2018-10-27 00:00:52,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-27 00:00:52,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:52,967 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 00:00:53,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:53,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1186 states and 1562 transitions. [2018-10-27 00:00:53,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1562 transitions. [2018-10-27 00:00:53,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-27 00:00:53,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:53,896 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-27 00:00:54,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:54,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1190 states and 1566 transitions. [2018-10-27 00:00:54,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1566 transitions. [2018-10-27 00:00:54,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-27 00:00:54,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:54,175 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-27 00:00:54,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:54,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1202 states and 1580 transitions. [2018-10-27 00:00:54,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1580 transitions. [2018-10-27 00:00:54,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-27 00:00:54,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:54,797 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-27 00:00:55,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:55,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1215 states and 1592 transitions. [2018-10-27 00:00:55,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1592 transitions. [2018-10-27 00:00:55,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-27 00:00:55,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:55,421 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-27 00:00:55,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:55,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1223 states and 1599 transitions. [2018-10-27 00:00:55,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1599 transitions. [2018-10-27 00:00:55,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-27 00:00:55,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:55,826 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-27 00:00:56,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:56,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1228 states and 1606 transitions. [2018-10-27 00:00:56,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1606 transitions. [2018-10-27 00:00:56,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-27 00:00:56,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:57,050 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 113 proven. 11 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:00:59,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:00:59,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1262 states and 1646 transitions. [2018-10-27 00:00:59,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1646 transitions. [2018-10-27 00:00:59,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-27 00:00:59,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:00:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:00:59,650 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-27 00:01:02,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:02,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1310 states and 1702 transitions. [2018-10-27 00:01:02,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1702 transitions. [2018-10-27 00:01:02,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-27 00:01:02,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:02,399 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-27 00:01:03,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:03,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1328 states and 1722 transitions. [2018-10-27 00:01:03,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1722 transitions. [2018-10-27 00:01:03,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-27 00:01:03,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:05,603 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-27 00:01:09,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:09,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1381 states and 1777 transitions. [2018-10-27 00:01:09,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1777 transitions. [2018-10-27 00:01:09,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-27 00:01:09,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:09,707 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-10-27 00:01:12,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:12,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1427 states and 1835 transitions. [2018-10-27 00:01:12,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 1835 transitions. [2018-10-27 00:01:12,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-27 00:01:12,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:12,578 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-10-27 00:01:13,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:13,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1431 states and 1840 transitions. [2018-10-27 00:01:13,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 1840 transitions. [2018-10-27 00:01:13,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-27 00:01:13,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:13,390 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-10-27 00:01:13,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:13,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1432 states and 1841 transitions. [2018-10-27 00:01:13,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1841 transitions. [2018-10-27 00:01:13,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-27 00:01:13,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:13,990 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-10-27 00:01:14,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:14,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1433 states and 1841 transitions. [2018-10-27 00:01:14,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1841 transitions. [2018-10-27 00:01:14,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-27 00:01:14,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:14,718 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-10-27 00:01:15,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:15,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 1438 states and 1848 transitions. [2018-10-27 00:01:15,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1848 transitions. [2018-10-27 00:01:15,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-27 00:01:15,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:15,495 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-10-27 00:01:16,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:16,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1445 states and 1857 transitions. [2018-10-27 00:01:16,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1857 transitions. [2018-10-27 00:01:16,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-27 00:01:16,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:16,101 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-27 00:01:17,617 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 19 [2018-10-27 00:01:18,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:18,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1922 states to 1506 states and 1922 transitions. [2018-10-27 00:01:18,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 1922 transitions. [2018-10-27 00:01:18,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-27 00:01:18,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:18,965 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-27 00:01:20,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:20,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1543 states and 1959 transitions. [2018-10-27 00:01:20,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 1959 transitions. [2018-10-27 00:01:20,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-27 00:01:20,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:20,410 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-27 00:01:20,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:20,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1552 states and 1968 transitions. [2018-10-27 00:01:20,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1968 transitions. [2018-10-27 00:01:20,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-27 00:01:20,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:20,920 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 218 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-10-27 00:01:21,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:21,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 1562 states and 1981 transitions. [2018-10-27 00:01:21,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 1981 transitions. [2018-10-27 00:01:21,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-27 00:01:21,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:21,671 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-27 00:01:21,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:21,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 1601 states and 2018 transitions. [2018-10-27 00:01:21,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 2018 transitions. [2018-10-27 00:01:21,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-27 00:01:21,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:21,880 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-27 00:01:22,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:22,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 1602 states and 2018 transitions. [2018-10-27 00:01:22,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 2018 transitions. [2018-10-27 00:01:22,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-27 00:01:22,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:22,332 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-27 00:01:22,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:22,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 1608 states and 2023 transitions. [2018-10-27 00:01:22,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2023 transitions. [2018-10-27 00:01:22,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-27 00:01:22,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:23,358 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 165 proven. 26 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:01:26,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:26,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 1655 states and 2083 transitions. [2018-10-27 00:01:26,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2083 transitions. [2018-10-27 00:01:26,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-27 00:01:26,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:27,555 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 165 proven. 26 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:01:28,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:28,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 1656 states and 2085 transitions. [2018-10-27 00:01:28,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2085 transitions. [2018-10-27 00:01:28,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-27 00:01:28,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:28,302 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 165 proven. 26 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:01:28,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:28,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 1657 states and 2086 transitions. [2018-10-27 00:01:28,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 2086 transitions. [2018-10-27 00:01:28,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-27 00:01:28,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:28,986 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-27 00:01:29,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:29,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 1662 states and 2092 transitions. [2018-10-27 00:01:29,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2092 transitions. [2018-10-27 00:01:29,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-27 00:01:29,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:29,530 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-27 00:01:29,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:29,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 1666 states and 2095 transitions. [2018-10-27 00:01:29,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2095 transitions. [2018-10-27 00:01:29,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-27 00:01:29,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:29,954 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-27 00:01:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:30,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 1667 states and 2095 transitions. [2018-10-27 00:01:30,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2095 transitions. [2018-10-27 00:01:30,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-27 00:01:30,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:32,364 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 230 proven. 10 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-10-27 00:01:35,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:35,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 1693 states and 2126 transitions. [2018-10-27 00:01:35,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2126 transitions. [2018-10-27 00:01:35,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-27 00:01:35,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:36,167 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 230 proven. 10 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-10-27 00:01:36,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:36,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 1696 states and 2129 transitions. [2018-10-27 00:01:36,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2129 transitions. [2018-10-27 00:01:36,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-27 00:01:36,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:36,592 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-27 00:01:37,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:37,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 1714 states and 2149 transitions. [2018-10-27 00:01:37,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2149 transitions. [2018-10-27 00:01:37,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-27 00:01:37,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:37,456 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-27 00:01:38,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:38,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1723 states and 2159 transitions. [2018-10-27 00:01:38,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 2159 transitions. [2018-10-27 00:01:38,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-27 00:01:38,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:39,355 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-27 00:01:46,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:46,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 1806 states and 2272 transitions. [2018-10-27 00:01:46,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2272 transitions. [2018-10-27 00:01:46,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-27 00:01:46,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-27 00:01:47,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:47,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2288 states to 1819 states and 2288 transitions. [2018-10-27 00:01:47,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2288 transitions. [2018-10-27 00:01:47,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-27 00:01:47,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:47,510 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-27 00:01:48,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:48,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 1821 states and 2290 transitions. [2018-10-27 00:01:48,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2290 transitions. [2018-10-27 00:01:48,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-27 00:01:48,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:48,645 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-27 00:01:50,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:50,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2297 states to 1824 states and 2297 transitions. [2018-10-27 00:01:50,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 2297 transitions. [2018-10-27 00:01:50,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-27 00:01:50,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:50,231 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-27 00:01:50,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:50,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2298 states to 1825 states and 2298 transitions. [2018-10-27 00:01:50,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2298 transitions. [2018-10-27 00:01:50,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-27 00:01:50,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:50,912 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-27 00:01:51,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:51,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 1828 states and 2301 transitions. [2018-10-27 00:01:51,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 2301 transitions. [2018-10-27 00:01:51,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-27 00:01:51,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:51,990 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-27 00:01:52,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:52,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 1829 states and 2302 transitions. [2018-10-27 00:01:52,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2302 transitions. [2018-10-27 00:01:52,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-27 00:01:52,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:52,614 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-27 00:01:53,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:01:53,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 1830 states and 2302 transitions. [2018-10-27 00:01:53,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2302 transitions. [2018-10-27 00:01:53,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-27 00:01:53,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:01:53,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:01:56,306 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-27 00:02:05,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:05,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 1921 states and 2396 transitions. [2018-10-27 00:02:05,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 2396 transitions. [2018-10-27 00:02:05,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-10-27 00:02:05,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:05,725 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-10-27 00:02:06,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:06,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 1926 states and 2402 transitions. [2018-10-27 00:02:06,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2402 transitions. [2018-10-27 00:02:06,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-27 00:02:06,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:06,384 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-27 00:02:06,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:06,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2426 states to 1952 states and 2426 transitions. [2018-10-27 00:02:06,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2426 transitions. [2018-10-27 00:02:06,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-27 00:02:06,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:06,821 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-27 00:02:09,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:09,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2452 states to 1972 states and 2452 transitions. [2018-10-27 00:02:09,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2452 transitions. [2018-10-27 00:02:09,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-27 00:02:09,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:09,635 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-27 00:02:11,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:11,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 1976 states and 2456 transitions. [2018-10-27 00:02:11,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2456 transitions. [2018-10-27 00:02:11,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-27 00:02:11,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:11,760 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-27 00:02:12,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:12,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 1977 states and 2456 transitions. [2018-10-27 00:02:12,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2456 transitions. [2018-10-27 00:02:12,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-27 00:02:12,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:12,396 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-27 00:02:13,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:13,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 1985 states and 2464 transitions. [2018-10-27 00:02:13,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2464 transitions. [2018-10-27 00:02:13,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-27 00:02:13,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:14,244 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 190 proven. 5 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-10-27 00:02:15,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:15,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2061 states and 2544 transitions. [2018-10-27 00:02:15,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2061 states and 2544 transitions. [2018-10-27 00:02:15,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-27 00:02:15,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:15,964 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-10-27 00:02:16,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:16,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2062 states and 2544 transitions. [2018-10-27 00:02:16,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2544 transitions. [2018-10-27 00:02:16,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-10-27 00:02:16,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:17,205 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 334 proven. 112 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-27 00:02:21,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:21,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2576 states to 2082 states and 2576 transitions. [2018-10-27 00:02:21,536 INFO L276 IsEmpty]: Start isEmpty. Operand 2082 states and 2576 transitions. [2018-10-27 00:02:21,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-10-27 00:02:21,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:21,718 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 334 proven. 112 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-27 00:02:22,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:22,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2583 states to 2090 states and 2583 transitions. [2018-10-27 00:02:22,378 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 2583 transitions. [2018-10-27 00:02:22,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-10-27 00:02:22,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:22,699 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 301 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-10-27 00:02:24,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:24,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 2094 states and 2588 transitions. [2018-10-27 00:02:24,248 INFO L276 IsEmpty]: Start isEmpty. Operand 2094 states and 2588 transitions. [2018-10-27 00:02:24,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-10-27 00:02:24,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:24,365 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 409 proven. 5 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-10-27 00:02:27,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:27,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2114 states and 2615 transitions. [2018-10-27 00:02:27,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 2615 transitions. [2018-10-27 00:02:27,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-10-27 00:02:27,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:27,436 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 409 proven. 5 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-10-27 00:02:28,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:28,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2115 states and 2615 transitions. [2018-10-27 00:02:28,080 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2615 transitions. [2018-10-27 00:02:28,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-10-27 00:02:28,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:28,732 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 409 proven. 5 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-10-27 00:02:29,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:29,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2116 states and 2617 transitions. [2018-10-27 00:02:29,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 2617 transitions. [2018-10-27 00:02:29,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-10-27 00:02:29,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:29,447 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-10-27 00:02:29,783 WARN L179 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-27 00:02:30,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:30,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2129 states and 2631 transitions. [2018-10-27 00:02:30,334 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 2631 transitions. [2018-10-27 00:02:30,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-27 00:02:30,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:31,675 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 400 proven. 4 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-10-27 00:02:36,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:36,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2180 states and 2689 transitions. [2018-10-27 00:02:36,383 INFO L276 IsEmpty]: Start isEmpty. Operand 2180 states and 2689 transitions. [2018-10-27 00:02:36,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-10-27 00:02:36,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:36,502 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-10-27 00:02:37,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:37,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2700 states to 2185 states and 2700 transitions. [2018-10-27 00:02:37,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 2700 transitions. [2018-10-27 00:02:37,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-10-27 00:02:37,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:37,769 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 387 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-10-27 00:02:39,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:39,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2200 states and 2714 transitions. [2018-10-27 00:02:39,126 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 2714 transitions. [2018-10-27 00:02:39,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-10-27 00:02:39,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:40,236 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 584 proven. 6 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-10-27 00:02:46,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:46,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2256 states and 2777 transitions. [2018-10-27 00:02:46,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 2777 transitions. [2018-10-27 00:02:46,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-10-27 00:02:46,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:46,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:46,541 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-27 00:02:47,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:47,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2257 states and 2778 transitions. [2018-10-27 00:02:47,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 2778 transitions. [2018-10-27 00:02:47,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-10-27 00:02:47,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-27 00:02:48,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:48,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2260 states and 2781 transitions. [2018-10-27 00:02:48,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2260 states and 2781 transitions. [2018-10-27 00:02:48,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-10-27 00:02:48,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:48,494 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 372 proven. 106 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-10-27 00:02:50,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:50,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2271 states and 2793 transitions. [2018-10-27 00:02:50,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2271 states and 2793 transitions. [2018-10-27 00:02:50,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-10-27 00:02:50,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:50,329 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 372 proven. 106 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-10-27 00:02:51,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:51,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2282 states and 2803 transitions. [2018-10-27 00:02:51,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2282 states and 2803 transitions. [2018-10-27 00:02:51,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-10-27 00:02:51,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:51,763 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 372 proven. 106 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-10-27 00:02:52,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:52,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2283 states and 2803 transitions. [2018-10-27 00:02:52,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 2803 transitions. [2018-10-27 00:02:52,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-10-27 00:02:52,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:52,586 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 452 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-10-27 00:02:54,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:54,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2292 states and 2815 transitions. [2018-10-27 00:02:54,071 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 2815 transitions. [2018-10-27 00:02:54,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-10-27 00:02:54,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:54,157 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-10-27 00:02:54,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:54,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2822 states to 2300 states and 2822 transitions. [2018-10-27 00:02:54,539 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 2822 transitions. [2018-10-27 00:02:54,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-10-27 00:02:54,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:54,627 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-10-27 00:02:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:02:54,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 2308 states and 2829 transitions. [2018-10-27 00:02:54,989 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 2829 transitions. [2018-10-27 00:02:54,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-10-27 00:02:54,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:02:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:02:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 396 proven. 175 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-10-27 00:03:00,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:03:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2370 states and 2900 transitions. [2018-10-27 00:03:00,997 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 2900 transitions. [2018-10-27 00:03:00,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-10-27 00:03:00,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:03:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:03:01,527 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 396 proven. 175 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-10-27 00:03:02,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:03:02,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2378 states and 2907 transitions. [2018-10-27 00:03:02,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2378 states and 2907 transitions. [2018-10-27 00:03:02,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-10-27 00:03:02,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:03:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:03:02,507 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 439 proven. 120 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-10-27 00:03:04,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:03:04,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2386 states and 2922 transitions. [2018-10-27 00:03:04,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 2922 transitions. [2018-10-27 00:03:04,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-10-27 00:03:04,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:03:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:03:04,831 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 439 proven. 120 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-10-27 00:03:06,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:03:06,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2398 states and 2934 transitions. [2018-10-27 00:03:06,437 INFO L276 IsEmpty]: Start isEmpty. Operand 2398 states and 2934 transitions. [2018-10-27 00:03:06,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-10-27 00:03:06,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:03:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:03:06,600 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 439 proven. 120 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-10-27 00:03:07,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:03:07,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2939 states to 2404 states and 2939 transitions. [2018-10-27 00:03:07,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 2939 transitions. [2018-10-27 00:03:07,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-10-27 00:03:07,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:03:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:03:07,528 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 439 proven. 120 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-10-27 00:03:08,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:03:08,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2412 states and 2946 transitions. [2018-10-27 00:03:08,672 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 2946 transitions. [2018-10-27 00:03:08,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-10-27 00:03:08,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:03:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:03:09,048 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2018-10-27 00:03:09,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:03:09,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2951 states to 2418 states and 2951 transitions. [2018-10-27 00:03:09,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 2951 transitions. [2018-10-27 00:03:09,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-10-27 00:03:09,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:03:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:03:09,833 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 489 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2018-10-27 00:03:14,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:03:14,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3004 states to 2458 states and 3004 transitions. [2018-10-27 00:03:14,926 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 3004 transitions. [2018-10-27 00:03:14,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-10-27 00:03:14,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:03:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:03:15,030 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 489 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2018-10-27 00:03:16,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:03:16,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3023 states to 2474 states and 3023 transitions. [2018-10-27 00:03:16,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 3023 transitions. [2018-10-27 00:03:16,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-10-27 00:03:16,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:03:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:03:16,925 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 367 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-10-27 00:03:20,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:03:20,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 2515 states and 3064 transitions. [2018-10-27 00:03:20,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 3064 transitions. [2018-10-27 00:03:20,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-10-27 00:03:20,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:03:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:03:20,191 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 406 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2018-10-27 00:03:21,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:03:21,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3082 states to 2533 states and 3082 transitions. [2018-10-27 00:03:21,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2533 states and 3082 transitions. [2018-10-27 00:03:21,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-10-27 00:03:21,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:03:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:03:21,971 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 406 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2018-10-27 00:03:22,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:03:22,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3086 states to 2537 states and 3086 transitions. [2018-10-27 00:03:22,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 3086 transitions. [2018-10-27 00:03:22,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-10-27 00:03:22,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:03:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:03:23,509 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 484 proven. 42 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-10-27 00:03:26,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:03:26,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 2561 states and 3115 transitions. [2018-10-27 00:03:26,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 3115 transitions. [2018-10-27 00:03:26,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-10-27 00:03:26,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:03:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:03:27,063 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 484 proven. 42 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-10-27 00:03:29,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:03:29,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3124 states to 2568 states and 3124 transitions. [2018-10-27 00:03:29,839 INFO L276 IsEmpty]: Start isEmpty. Operand 2568 states and 3124 transitions. [2018-10-27 00:03:29,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-10-27 00:03:29,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:03:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:03:30,006 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 481 proven. 134 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-10-27 00:03:30,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:03:30,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 2578 states and 3135 transitions. [2018-10-27 00:03:30,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2578 states and 3135 transitions. [2018-10-27 00:03:30,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-10-27 00:03:30,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:03:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:03:30,933 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 481 proven. 134 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-10-27 00:03:31,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:03:31,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 2579 states and 3136 transitions. [2018-10-27 00:03:31,672 INFO L276 IsEmpty]: Start isEmpty. Operand 2579 states and 3136 transitions. [2018-10-27 00:03:31,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-10-27 00:03:31,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:03:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:03:31,843 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 481 proven. 134 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-10-27 00:03:32,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:03:32,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 2580 states and 3136 transitions. [2018-10-27 00:03:32,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2580 states and 3136 transitions. [2018-10-27 00:03:32,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-10-27 00:03:32,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:03:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:03:32,738 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 481 proven. 134 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-10-27 00:03:33,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:03:33,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 2590 states and 3145 transitions. [2018-10-27 00:03:33,480 INFO L276 IsEmpty]: Start isEmpty. Operand 2590 states and 3145 transitions. [2018-10-27 00:03:33,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-10-27 00:03:33,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:03:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:03:38,169 WARN L179 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 26 [2018-10-27 00:03:38,635 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 608 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-10-27 00:03:56,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:03:56,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 2560 states and 3133 transitions. [2018-10-27 00:03:56,166 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 3133 transitions. [2018-10-27 00:03:56,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:03:56,168 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 187 iterations. [2018-10-27 00:03:56,182 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-27 00:03:56,308 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 29 [2018-10-27 00:03:56,606 WARN L179 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 36 [2018-10-27 00:03:56,845 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 34 [2018-10-27 00:03:57,034 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 33 [2018-10-27 00:03:57,219 WARN L179 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 24 [2018-10-27 00:03:57,441 WARN L179 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 36 [2018-10-27 00:03:57,653 WARN L179 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 36 [2018-10-27 00:03:58,000 WARN L179 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 24 [2018-10-27 00:03:58,133 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 33 [2018-10-27 00:03:58,385 WARN L179 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 36 [2018-10-27 00:03:58,662 WARN L179 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 36 [2018-10-27 00:03:58,870 WARN L179 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 36 [2018-10-27 00:03:59,058 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 31 [2018-10-27 00:03:59,330 WARN L179 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2018-10-27 00:03:59,444 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 29 [2018-10-27 00:03:59,599 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 34 [2018-10-27 00:03:59,762 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 33 [2018-10-27 00:04:00,522 WARN L179 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 24 [2018-10-27 00:04:00,872 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 33 [2018-10-27 00:04:01,133 WARN L179 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 36 [2018-10-27 00:04:01,394 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 33 [2018-10-27 00:04:01,615 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 33 [2018-10-27 00:04:01,776 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 33 [2018-10-27 00:04:02,453 WARN L179 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 24 [2018-10-27 00:04:02,575 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 29 [2018-10-27 00:04:02,892 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 29 [2018-10-27 00:04:03,035 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 29 [2018-10-27 00:04:03,264 WARN L179 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 36 [2018-10-27 00:04:03,501 WARN L179 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 36 [2018-10-27 00:04:03,938 WARN L179 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 34 [2018-10-27 00:04:04,122 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 34 [2018-10-27 00:04:04,267 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 34 [2018-10-27 00:04:04,404 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 33 [2018-10-27 00:04:04,634 WARN L179 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 36 [2018-10-27 00:04:04,634 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:04:04,637 INFO L582 CodeCheckObserver]: Invariant with dag size 24 [2018-10-27 00:04:04,644 INFO L582 CodeCheckObserver]: Invariant with dag size 24 [2018-10-27 00:04:04,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 12:04:04 ImpRootNode [2018-10-27 00:04:04,645 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 00:04:04,646 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:04:04,646 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:04:04,646 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:04:04,647 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:59:27" (3/4) ... [2018-10-27 00:04:04,654 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:04:04,675 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-10-27 00:04:04,677 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-10-27 00:04:04,678 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-10-27 00:04:04,679 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 00:04:04,817 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cd874986-eb33-423c-ab98-cd85ab4792bd/bin-2019/ukojak/witness.graphml [2018-10-27 00:04:04,818 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:04:04,818 INFO L168 Benchmark]: Toolchain (without parser) took 282892.74 ms. Allocated memory was 1.0 GB in the beginning and 4.6 GB in the end (delta: 3.6 GB). Free memory was 951.7 MB in the beginning and 3.3 GB in the end (delta: -2.4 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-10-27 00:04:04,820 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:04:04,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.44 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 922.1 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-10-27 00:04:04,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.19 ms. Allocated memory is still 1.0 GB. Free memory was 922.1 MB in the beginning and 1.2 GB in the end (delta: -243.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:04:04,821 INFO L168 Benchmark]: Boogie Preprocessor took 100.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:04:04,821 INFO L168 Benchmark]: RCFGBuilder took 4889.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 925.8 MB in the end (delta: 228.9 MB). Peak memory consumption was 228.9 MB. Max. memory is 11.5 GB. [2018-10-27 00:04:04,822 INFO L168 Benchmark]: CodeCheck took 276895.58 ms. Allocated memory was 1.2 GB in the beginning and 4.6 GB in the end (delta: 3.4 GB). Free memory was 925.8 MB in the beginning and 3.3 GB in the end (delta: -2.4 GB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. [2018-10-27 00:04:04,822 INFO L168 Benchmark]: Witness Printer took 171.80 ms. Allocated memory is still 4.6 GB. Free memory was 3.3 GB in the beginning and 3.3 GB in the end (delta: 6.2 kB). Peak memory consumption was 6.2 kB. Max. memory is 11.5 GB. [2018-10-27 00:04:04,829 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 268.3s OverallTime, 187 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1064290800 SDtfs, 998036700 SDslu, 75612796 SDs, 0 SdLazy, -1173460592 SolverSat, -369869224 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1155.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 234146 GetRequests, 229007 SyntacticMatches, 3279 SemanticMatches, 1860 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2435954 ImplicationChecksByTransitivity, 234.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 36.0s InterpolantComputationTime, 34995 NumberOfCodeBlocks, 34995 NumberOfCodeBlocksAsserted, 186 NumberOfCheckSat, 34809 ConstructedInterpolants, 0 QuantifiedInterpolants, 25150406 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 186 InterpolantComputations, 137 PerfectInterpolantSequences, 41975/44186 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: 533]: 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: (!(a7 == 1) || !(a16 == 6)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (!(a7 == 1) || !(a16 == 6)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 600.44 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 922.1 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.19 ms. Allocated memory is still 1.0 GB. Free memory was 922.1 MB in the beginning and 1.2 GB in the end (delta: -243.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 100.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4889.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 925.8 MB in the end (delta: 228.9 MB). Peak memory consumption was 228.9 MB. Max. memory is 11.5 GB. * CodeCheck took 276895.58 ms. Allocated memory was 1.2 GB in the beginning and 4.6 GB in the end (delta: 3.4 GB). Free memory was 925.8 MB in the beginning and 3.3 GB in the end (delta: -2.4 GB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. * Witness Printer took 171.80 ms. Allocated memory is still 4.6 GB. Free memory was 3.3 GB in the beginning and 3.3 GB in the end (delta: 6.2 kB). Peak memory consumption was 6.2 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...