./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label37_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_9362fbe3-0e85-484b-9fdc-05aa8d01021b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9362fbe3-0e85-484b-9fdc-05aa8d01021b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9362fbe3-0e85-484b-9fdc-05aa8d01021b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9362fbe3-0e85-484b-9fdc-05aa8d01021b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label37_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9362fbe3-0e85-484b-9fdc-05aa8d01021b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9362fbe3-0e85-484b-9fdc-05aa8d01021b/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 a2597194a43836f4c4ad9c950ead0db96723770b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:44:19,205 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:44:19,206 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:44:19,214 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:44:19,214 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:44:19,215 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:44:19,216 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:44:19,217 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:44:19,219 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:44:19,220 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:44:19,221 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:44:19,221 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:44:19,222 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:44:19,222 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:44:19,224 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:44:19,224 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:44:19,225 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:44:19,226 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:44:19,228 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:44:19,229 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:44:19,230 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:44:19,231 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:44:19,233 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:44:19,233 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:44:19,233 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:44:19,234 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:44:19,235 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:44:19,236 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:44:19,237 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:44:19,237 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:44:19,237 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:44:19,238 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:44:19,238 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:44:19,238 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:44:19,240 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:44:19,240 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:44:19,241 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9362fbe3-0e85-484b-9fdc-05aa8d01021b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-27 00:44:19,252 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:44:19,252 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:44:19,253 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:44:19,253 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:44:19,253 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:44:19,253 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:44:19,254 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:44:19,254 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:44:19,254 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:44:19,254 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:44:19,254 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:44:19,254 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:44:19,255 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:44:19,255 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:44:19,256 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:44:19,256 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:44:19,256 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:44:19,257 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:44:19,257 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:44:19,257 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:44:19,257 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:44:19,257 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:44:19,257 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:44:19,258 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:44:19,258 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:44:19,258 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 00:44:19,258 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:44:19,258 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:44:19,258 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_9362fbe3-0e85-484b-9fdc-05aa8d01021b/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 -> a2597194a43836f4c4ad9c950ead0db96723770b [2018-10-27 00:44:19,286 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:44:19,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:44:19,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:44:19,299 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:44:19,299 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:44:19,300 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9362fbe3-0e85-484b-9fdc-05aa8d01021b/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label37_true-unreach-call_false-termination.c [2018-10-27 00:44:19,356 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9362fbe3-0e85-484b-9fdc-05aa8d01021b/bin-2019/ukojak/data/ed35a8522/c9a4c1e9f68d4f2f8dc6e8de42c36864/FLAG39b67161a [2018-10-27 00:44:19,845 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:44:19,846 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9362fbe3-0e85-484b-9fdc-05aa8d01021b/sv-benchmarks/c/eca-rers2012/Problem02_label37_true-unreach-call_false-termination.c [2018-10-27 00:44:19,864 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9362fbe3-0e85-484b-9fdc-05aa8d01021b/bin-2019/ukojak/data/ed35a8522/c9a4c1e9f68d4f2f8dc6e8de42c36864/FLAG39b67161a [2018-10-27 00:44:19,875 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9362fbe3-0e85-484b-9fdc-05aa8d01021b/bin-2019/ukojak/data/ed35a8522/c9a4c1e9f68d4f2f8dc6e8de42c36864 [2018-10-27 00:44:19,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:44:19,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:44:19,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:44:19,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:44:19,885 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:44:19,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:44:19" (1/1) ... [2018-10-27 00:44:19,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce6d6bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:44:19, skipping insertion in model container [2018-10-27 00:44:19,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:44:19" (1/1) ... [2018-10-27 00:44:19,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:44:19,945 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:44:20,244 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:44:20,248 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:44:20,335 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:44:20,348 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:44:20,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:44:20 WrapperNode [2018-10-27 00:44:20,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:44:20,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:44:20,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:44:20,350 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:44:20,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:44:20" (1/1) ... [2018-10-27 00:44:20,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:44:20" (1/1) ... [2018-10-27 00:44:20,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:44:20,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:44:20,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:44:20,419 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:44:20,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:44:20" (1/1) ... [2018-10-27 00:44:20,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:44:20" (1/1) ... [2018-10-27 00:44:20,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:44:20" (1/1) ... [2018-10-27 00:44:20,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:44:20" (1/1) ... [2018-10-27 00:44:20,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:44:20" (1/1) ... [2018-10-27 00:44:20,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:44:20" (1/1) ... [2018-10-27 00:44:20,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:44:20" (1/1) ... [2018-10-27 00:44:20,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:44:20,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:44:20,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:44:20,565 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:44:20,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:44:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9362fbe3-0e85-484b-9fdc-05aa8d01021b/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 [2018-10-27 00:44:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-27 00:44:20,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:44:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:44:25,479 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:44:25,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:44:25 BoogieIcfgContainer [2018-10-27 00:44:25,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:44:25,480 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:44:25,481 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:44:25,491 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:44:25,491 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:44:25" (1/1) ... [2018-10-27 00:44:25,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:44:25,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:25,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-10-27 00:44:25,536 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-10-27 00:44:25,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-27 00:44:25,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:26,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:44:26,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:26,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 165 states and 253 transitions. [2018-10-27 00:44:26,851 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 253 transitions. [2018-10-27 00:44:26,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-27 00:44:26,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:27,175 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:44:27,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:27,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 244 states and 340 transitions. [2018-10-27 00:44:27,960 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 340 transitions. [2018-10-27 00:44:27,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-27 00:44:27,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:28,095 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:44:28,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:28,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 333 states and 435 transitions. [2018-10-27 00:44:28,910 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 435 transitions. [2018-10-27 00:44:28,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-27 00:44:28,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:29,426 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:44:29,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:29,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 344 states and 450 transitions. [2018-10-27 00:44:29,927 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 450 transitions. [2018-10-27 00:44:29,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-27 00:44:29,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:29,969 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:44:30,300 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 00:44:30,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:30,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 349 states and 458 transitions. [2018-10-27 00:44:30,516 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 458 transitions. [2018-10-27 00:44:30,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-27 00:44:30,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:30,896 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 00:44:31,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:31,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 359 states and 472 transitions. [2018-10-27 00:44:31,158 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 472 transitions. [2018-10-27 00:44:31,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-27 00:44:31,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:31,185 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:44:31,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:31,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 371 states and 485 transitions. [2018-10-27 00:44:31,397 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 485 transitions. [2018-10-27 00:44:31,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-27 00:44:31,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:31,705 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-27 00:44:31,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:31,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 373 states and 489 transitions. [2018-10-27 00:44:31,867 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 489 transitions. [2018-10-27 00:44:31,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-27 00:44:31,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:31,894 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 00:44:32,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:32,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 396 states and 516 transitions. [2018-10-27 00:44:32,221 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 516 transitions. [2018-10-27 00:44:32,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-27 00:44:32,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:32,276 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 00:44:32,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:32,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 400 states and 520 transitions. [2018-10-27 00:44:32,573 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 520 transitions. [2018-10-27 00:44:32,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-27 00:44:32,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:32,617 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:44:32,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:32,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 401 states and 523 transitions. [2018-10-27 00:44:32,905 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 523 transitions. [2018-10-27 00:44:32,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-27 00:44:32,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:32,974 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:44:33,292 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-27 00:44:33,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:33,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 405 states and 527 transitions. [2018-10-27 00:44:33,441 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 527 transitions. [2018-10-27 00:44:33,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-27 00:44:33,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:33,478 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:44:33,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:33,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 421 states and 545 transitions. [2018-10-27 00:44:33,804 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 545 transitions. [2018-10-27 00:44:33,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-27 00:44:33,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:33,882 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 00:44:34,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:34,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 426 states and 553 transitions. [2018-10-27 00:44:34,153 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 553 transitions. [2018-10-27 00:44:34,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-27 00:44:34,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:34,268 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:44:34,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:34,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 453 states and 584 transitions. [2018-10-27 00:44:34,538 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 584 transitions. [2018-10-27 00:44:34,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-27 00:44:34,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:34,575 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 00:44:34,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:34,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 461 states and 592 transitions. [2018-10-27 00:44:34,716 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 592 transitions. [2018-10-27 00:44:34,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-27 00:44:34,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:34,748 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 00:44:36,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:36,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 500 states and 635 transitions. [2018-10-27 00:44:36,104 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 635 transitions. [2018-10-27 00:44:36,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-27 00:44:36,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:36,144 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 00:44:36,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:36,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 519 states and 656 transitions. [2018-10-27 00:44:36,410 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 656 transitions. [2018-10-27 00:44:36,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-27 00:44:36,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:36,443 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:44:36,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:36,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 542 states and 683 transitions. [2018-10-27 00:44:36,813 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 683 transitions. [2018-10-27 00:44:36,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-27 00:44:36,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:36,854 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:44:37,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:37,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 575 states and 717 transitions. [2018-10-27 00:44:37,097 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 717 transitions. [2018-10-27 00:44:37,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-27 00:44:37,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:37,133 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:44:37,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:37,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 579 states and 722 transitions. [2018-10-27 00:44:37,253 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 722 transitions. [2018-10-27 00:44:37,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-27 00:44:37,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:37,300 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:44:37,711 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 00:44:38,087 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 00:44:39,231 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 00:44:40,355 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-27 00:44:41,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:41,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 608 states and 752 transitions. [2018-10-27 00:44:41,276 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 752 transitions. [2018-10-27 00:44:41,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-27 00:44:41,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:41,303 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-27 00:44:41,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:41,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 614 states and 758 transitions. [2018-10-27 00:44:41,370 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 758 transitions. [2018-10-27 00:44:41,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-27 00:44:41,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:41,406 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:44:41,715 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 00:44:42,023 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 00:44:43,039 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-27 00:44:44,104 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 00:44:44,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:44,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 667 states and 818 transitions. [2018-10-27 00:44:44,860 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 818 transitions. [2018-10-27 00:44:44,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-27 00:44:44,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:44,896 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-27 00:44:45,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:45,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 670 states and 822 transitions. [2018-10-27 00:44:45,320 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 822 transitions. [2018-10-27 00:44:45,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-27 00:44:45,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:45,355 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-27 00:44:45,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:45,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 681 states and 834 transitions. [2018-10-27 00:44:45,611 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 834 transitions. [2018-10-27 00:44:45,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-27 00:44:45,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:45,714 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 00:44:45,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:45,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 697 states and 852 transitions. [2018-10-27 00:44:45,916 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 852 transitions. [2018-10-27 00:44:45,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-27 00:44:45,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:45,955 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:44:46,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:46,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 713 states and 870 transitions. [2018-10-27 00:44:46,286 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 870 transitions. [2018-10-27 00:44:46,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-27 00:44:46,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:46,320 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:44:47,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:47,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 718 states and 880 transitions. [2018-10-27 00:44:47,098 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 880 transitions. [2018-10-27 00:44:47,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-27 00:44:47,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:47,488 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 00:44:49,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:49,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 760 states and 932 transitions. [2018-10-27 00:44:49,047 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 932 transitions. [2018-10-27 00:44:49,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 00:44:49,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:49,293 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:44:49,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:49,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 777 states and 950 transitions. [2018-10-27 00:44:49,662 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 950 transitions. [2018-10-27 00:44:49,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 00:44:49,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:49,699 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:44:50,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:50,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 778 states and 952 transitions. [2018-10-27 00:44:50,312 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 952 transitions. [2018-10-27 00:44:50,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-27 00:44:50,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:44:53,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:53,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 845 states and 1029 transitions. [2018-10-27 00:44:53,118 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1029 transitions. [2018-10-27 00:44:53,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-27 00:44:53,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:53,834 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 00:44:54,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:54,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 864 states and 1051 transitions. [2018-10-27 00:44:54,347 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1051 transitions. [2018-10-27 00:44:54,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-27 00:44:54,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:54,420 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 00:44:54,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:54,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 865 states and 1052 transitions. [2018-10-27 00:44:54,524 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1052 transitions. [2018-10-27 00:44:54,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-27 00:44:54,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:54,922 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:44:58,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:58,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 928 states and 1122 transitions. [2018-10-27 00:44:58,003 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1122 transitions. [2018-10-27 00:44:58,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-27 00:44:58,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:58,036 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:44:58,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:58,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 947 states and 1142 transitions. [2018-10-27 00:44:58,749 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1142 transitions. [2018-10-27 00:44:58,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-27 00:44:58,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:58,781 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:44:59,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:59,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 959 states and 1153 transitions. [2018-10-27 00:44:59,154 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1153 transitions. [2018-10-27 00:44:59,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-27 00:44:59,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:59,185 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-27 00:44:59,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:44:59,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 960 states and 1154 transitions. [2018-10-27 00:44:59,493 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1154 transitions. [2018-10-27 00:44:59,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-27 00:44:59,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:44:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:44:59,754 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:45:00,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:00,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 986 states and 1182 transitions. [2018-10-27 00:45:00,525 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1182 transitions. [2018-10-27 00:45:00,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-27 00:45:00,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:00,603 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-27 00:45:00,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:00,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 988 states and 1184 transitions. [2018-10-27 00:45:00,891 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1184 transitions. [2018-10-27 00:45:00,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-27 00:45:00,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:00,993 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:45:03,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:03,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1027 states and 1230 transitions. [2018-10-27 00:45:03,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1230 transitions. [2018-10-27 00:45:03,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-27 00:45:03,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:03,559 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 00:45:03,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:03,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1046 states and 1249 transitions. [2018-10-27 00:45:03,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1249 transitions. [2018-10-27 00:45:03,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-27 00:45:03,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:04,131 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:45:05,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:05,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1059 states and 1264 transitions. [2018-10-27 00:45:05,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1264 transitions. [2018-10-27 00:45:05,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-27 00:45:05,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:05,114 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 102 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-27 00:45:05,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:05,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1089 states and 1295 transitions. [2018-10-27 00:45:05,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1295 transitions. [2018-10-27 00:45:05,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-27 00:45:05,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:05,754 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:45:06,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:06,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1106 states and 1316 transitions. [2018-10-27 00:45:06,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1316 transitions. [2018-10-27 00:45:06,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-27 00:45:06,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:06,675 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-27 00:45:07,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:07,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1109 states and 1324 transitions. [2018-10-27 00:45:07,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1324 transitions. [2018-10-27 00:45:07,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-27 00:45:07,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:07,294 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:45:07,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:07,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1116 states and 1334 transitions. [2018-10-27 00:45:07,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1334 transitions. [2018-10-27 00:45:07,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-27 00:45:07,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:07,364 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 00:45:09,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:09,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1155 states and 1381 transitions. [2018-10-27 00:45:09,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1381 transitions. [2018-10-27 00:45:09,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-27 00:45:09,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:09,264 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:45:09,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:09,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1159 states and 1385 transitions. [2018-10-27 00:45:09,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1385 transitions. [2018-10-27 00:45:09,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-10-27 00:45:09,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:09,541 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-27 00:45:09,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:09,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1162 states and 1388 transitions. [2018-10-27 00:45:09,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1388 transitions. [2018-10-27 00:45:09,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-27 00:45:09,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:10,386 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-27 00:45:10,589 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2018-10-27 00:45:12,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:12,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1198 states and 1423 transitions. [2018-10-27 00:45:12,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1423 transitions. [2018-10-27 00:45:12,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-27 00:45:12,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:12,800 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-27 00:45:13,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:13,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1213 states and 1442 transitions. [2018-10-27 00:45:13,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1442 transitions. [2018-10-27 00:45:13,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-27 00:45:13,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:13,338 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-27 00:45:13,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:13,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1247 states and 1478 transitions. [2018-10-27 00:45:13,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1478 transitions. [2018-10-27 00:45:13,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-27 00:45:13,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:13,539 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:45:13,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:13,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1256 states and 1487 transitions. [2018-10-27 00:45:13,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1487 transitions. [2018-10-27 00:45:13,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-27 00:45:13,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:14,657 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:45:16,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:16,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1327 states and 1557 transitions. [2018-10-27 00:45:16,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1557 transitions. [2018-10-27 00:45:16,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-27 00:45:16,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:16,734 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:45:17,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:17,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1344 states and 1578 transitions. [2018-10-27 00:45:17,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1578 transitions. [2018-10-27 00:45:17,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-27 00:45:17,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:17,851 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 91 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:45:18,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:18,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1373 states and 1607 transitions. [2018-10-27 00:45:18,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 1607 transitions. [2018-10-27 00:45:18,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-27 00:45:18,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:18,460 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:45:18,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:18,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1389 states and 1627 transitions. [2018-10-27 00:45:18,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 1627 transitions. [2018-10-27 00:45:18,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-27 00:45:18,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:19,221 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:45:19,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:19,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1406 states and 1648 transitions. [2018-10-27 00:45:19,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1648 transitions. [2018-10-27 00:45:19,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-27 00:45:19,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:19,918 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:45:21,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:21,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1456 states and 1707 transitions. [2018-10-27 00:45:21,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1707 transitions. [2018-10-27 00:45:21,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-27 00:45:21,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:21,584 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:45:22,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:22,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1484 states and 1736 transitions. [2018-10-27 00:45:22,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1736 transitions. [2018-10-27 00:45:22,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-27 00:45:22,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:23,010 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:45:23,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:23,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1487 states and 1738 transitions. [2018-10-27 00:45:23,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1738 transitions. [2018-10-27 00:45:23,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-27 00:45:23,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:23,547 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:45:24,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:24,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 1517 states and 1769 transitions. [2018-10-27 00:45:24,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1769 transitions. [2018-10-27 00:45:24,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-27 00:45:24,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:25,041 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:45:27,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:27,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1553 states and 1811 transitions. [2018-10-27 00:45:27,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1811 transitions. [2018-10-27 00:45:27,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-27 00:45:27,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:27,212 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:45:27,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:27,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1563 states and 1820 transitions. [2018-10-27 00:45:27,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 1820 transitions. [2018-10-27 00:45:27,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-27 00:45:27,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:27,729 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:45:30,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:30,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1638 states and 1907 transitions. [2018-10-27 00:45:30,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 1907 transitions. [2018-10-27 00:45:30,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-27 00:45:30,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:30,217 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:45:30,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:30,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1654 states and 1925 transitions. [2018-10-27 00:45:30,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 1925 transitions. [2018-10-27 00:45:30,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-27 00:45:30,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:31,021 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:45:31,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:31,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 1657 states and 1927 transitions. [2018-10-27 00:45:31,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 1927 transitions. [2018-10-27 00:45:31,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-27 00:45:31,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:31,426 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 00:45:31,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:31,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1671 states and 1941 transitions. [2018-10-27 00:45:31,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 1941 transitions. [2018-10-27 00:45:31,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-27 00:45:31,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:32,012 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:45:33,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:33,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1720 states and 1992 transitions. [2018-10-27 00:45:33,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 1992 transitions. [2018-10-27 00:45:33,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-27 00:45:33,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:33,693 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:45:35,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:35,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 1773 states and 2049 transitions. [2018-10-27 00:45:35,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2049 transitions. [2018-10-27 00:45:35,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-27 00:45:35,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:35,215 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:45:36,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:36,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 1788 states and 2064 transitions. [2018-10-27 00:45:36,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 2064 transitions. [2018-10-27 00:45:36,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-27 00:45:36,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:36,114 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:45:37,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:37,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 1819 states and 2098 transitions. [2018-10-27 00:45:37,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2098 transitions. [2018-10-27 00:45:37,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-27 00:45:37,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:37,710 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 17 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-10-27 00:45:38,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:38,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 1837 states and 2122 transitions. [2018-10-27 00:45:38,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2122 transitions. [2018-10-27 00:45:38,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-27 00:45:38,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:38,322 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 125 proven. 25 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 00:45:40,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:40,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 1871 states and 2158 transitions. [2018-10-27 00:45:40,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2158 transitions. [2018-10-27 00:45:40,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-27 00:45:40,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:40,796 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-27 00:45:42,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:42,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1872 states and 2160 transitions. [2018-10-27 00:45:42,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2160 transitions. [2018-10-27 00:45:42,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-27 00:45:42,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:42,466 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-27 00:45:43,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:43,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1882 states and 2170 transitions. [2018-10-27 00:45:43,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2170 transitions. [2018-10-27 00:45:43,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-27 00:45:43,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:43,409 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-10-27 00:45:43,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:43,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 1896 states and 2185 transitions. [2018-10-27 00:45:43,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2185 transitions. [2018-10-27 00:45:43,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-27 00:45:43,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:43,973 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-10-27 00:45:44,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:44,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 1956 states and 2245 transitions. [2018-10-27 00:45:44,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2245 transitions. [2018-10-27 00:45:44,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-27 00:45:44,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:44,286 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 70 proven. 17 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-27 00:45:44,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:44,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 1968 states and 2257 transitions. [2018-10-27 00:45:44,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1968 states and 2257 transitions. [2018-10-27 00:45:44,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-27 00:45:44,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:44,878 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-27 00:45:45,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:45,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2268 states to 1975 states and 2268 transitions. [2018-10-27 00:45:45,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2268 transitions. [2018-10-27 00:45:45,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-27 00:45:45,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:45,736 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-27 00:45:46,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:46,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 1976 states and 2269 transitions. [2018-10-27 00:45:46,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2269 transitions. [2018-10-27 00:45:46,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-27 00:45:46,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:46,125 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 169 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-27 00:45:47,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:47,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2003 states and 2303 transitions. [2018-10-27 00:45:47,211 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 2303 transitions. [2018-10-27 00:45:47,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-27 00:45:47,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:47,289 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 169 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-27 00:45:48,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:48,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2328 states to 2026 states and 2328 transitions. [2018-10-27 00:45:48,577 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 2328 transitions. [2018-10-27 00:45:48,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-27 00:45:48,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:48,905 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 169 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-27 00:45:49,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:49,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2040 states and 2342 transitions. [2018-10-27 00:45:49,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 2342 transitions. [2018-10-27 00:45:49,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-27 00:45:49,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:49,312 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-27 00:45:49,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:49,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 2051 states and 2355 transitions. [2018-10-27 00:45:49,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2051 states and 2355 transitions. [2018-10-27 00:45:49,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-27 00:45:49,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:49,846 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 00:45:51,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:51,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 2091 states and 2406 transitions. [2018-10-27 00:45:51,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2091 states and 2406 transitions. [2018-10-27 00:45:51,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-27 00:45:51,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:51,386 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 00:45:51,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2422 states to 2107 states and 2422 transitions. [2018-10-27 00:45:51,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 2422 transitions. [2018-10-27 00:45:51,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-27 00:45:51,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:51,981 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 00:45:52,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:52,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2435 states to 2117 states and 2435 transitions. [2018-10-27 00:45:52,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 2435 transitions. [2018-10-27 00:45:52,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-10-27 00:45:52,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:52,910 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-10-27 00:45:52,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:52,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2435 states to 2118 states and 2435 transitions. [2018-10-27 00:45:53,060 INFO L276 IsEmpty]: Start isEmpty. Operand 2118 states and 2435 transitions. [2018-10-27 00:45:53,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-27 00:45:53,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:53,108 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:45:54,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:54,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 2137 states and 2460 transitions. [2018-10-27 00:45:54,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2137 states and 2460 transitions. [2018-10-27 00:45:54,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-27 00:45:54,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:54,076 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:45:54,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:54,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 2153 states and 2476 transitions. [2018-10-27 00:45:54,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2476 transitions. [2018-10-27 00:45:54,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-27 00:45:54,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:54,743 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:45:54,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:54,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 2167 states and 2489 transitions. [2018-10-27 00:45:54,957 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 2489 transitions. [2018-10-27 00:45:54,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-27 00:45:54,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:54,990 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:45:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:55,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 2183 states and 2505 transitions. [2018-10-27 00:45:55,496 INFO L276 IsEmpty]: Start isEmpty. Operand 2183 states and 2505 transitions. [2018-10-27 00:45:55,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-27 00:45:55,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:55,554 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:45:55,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:55,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2186 states and 2507 transitions. [2018-10-27 00:45:55,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 2507 transitions. [2018-10-27 00:45:55,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-10-27 00:45:55,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:56,046 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 196 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 00:45:56,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:56,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2191 states and 2512 transitions. [2018-10-27 00:45:56,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 2512 transitions. [2018-10-27 00:45:56,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-10-27 00:45:56,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:56,412 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-27 00:45:56,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:56,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2197 states and 2518 transitions. [2018-10-27 00:45:56,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 2518 transitions. [2018-10-27 00:45:56,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-10-27 00:45:56,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:56,953 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-27 00:45:57,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:57,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2520 states to 2200 states and 2520 transitions. [2018-10-27 00:45:57,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 2520 transitions. [2018-10-27 00:45:57,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-10-27 00:45:57,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:57,394 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-27 00:45:57,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:45:57,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2528 states to 2207 states and 2528 transitions. [2018-10-27 00:45:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2207 states and 2528 transitions. [2018-10-27 00:45:57,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-27 00:45:57,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:45:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:45:58,673 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-27 00:46:00,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:00,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2235 states and 2558 transitions. [2018-10-27 00:46:00,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2558 transitions. [2018-10-27 00:46:00,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-27 00:46:00,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:00,990 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-27 00:46:03,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:03,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2289 states and 2613 transitions. [2018-10-27 00:46:03,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 2613 transitions. [2018-10-27 00:46:03,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-27 00:46:03,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:03,998 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-27 00:46:07,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:07,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2337 states and 2660 transitions. [2018-10-27 00:46:07,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2337 states and 2660 transitions. [2018-10-27 00:46:07,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-27 00:46:07,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:07,269 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-27 00:46:10,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:10,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2719 states to 2396 states and 2719 transitions. [2018-10-27 00:46:10,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 2719 transitions. [2018-10-27 00:46:10,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-27 00:46:10,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:10,636 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-27 00:46:10,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:10,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2399 states and 2721 transitions. [2018-10-27 00:46:10,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2399 states and 2721 transitions. [2018-10-27 00:46:10,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-10-27 00:46:10,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:11,042 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 151 proven. 18 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-27 00:46:11,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:11,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2400 states and 2721 transitions. [2018-10-27 00:46:11,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2400 states and 2721 transitions. [2018-10-27 00:46:11,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-27 00:46:11,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:11,438 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 00:46:11,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:11,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2404 states and 2725 transitions. [2018-10-27 00:46:11,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 2725 transitions. [2018-10-27 00:46:11,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-27 00:46:11,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:11,714 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-10-27 00:46:11,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2405 states and 2725 transitions. [2018-10-27 00:46:11,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 2725 transitions. [2018-10-27 00:46:11,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-27 00:46:11,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:12,208 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 194 proven. 26 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-10-27 00:46:15,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2789 states to 2463 states and 2789 transitions. [2018-10-27 00:46:15,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2463 states and 2789 transitions. [2018-10-27 00:46:15,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-27 00:46:15,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:15,716 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 194 proven. 26 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-10-27 00:46:16,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:16,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 2483 states and 2809 transitions. [2018-10-27 00:46:16,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 2809 transitions. [2018-10-27 00:46:16,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-10-27 00:46:16,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:16,700 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:46:18,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:18,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2519 states and 2847 transitions. [2018-10-27 00:46:18,228 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 2847 transitions. [2018-10-27 00:46:18,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-10-27 00:46:18,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:18,359 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 00:46:18,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:18,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2520 states and 2847 transitions. [2018-10-27 00:46:18,573 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 2847 transitions. [2018-10-27 00:46:18,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-10-27 00:46:18,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:18,745 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-10-27 00:46:19,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:19,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 2542 states and 2872 transitions. [2018-10-27 00:46:19,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 2872 transitions. [2018-10-27 00:46:19,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-10-27 00:46:19,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:19,812 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-10-27 00:46:20,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:20,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 2545 states and 2875 transitions. [2018-10-27 00:46:20,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 2875 transitions. [2018-10-27 00:46:20,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-10-27 00:46:20,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:20,299 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-10-27 00:46:21,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:21,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2580 states and 2913 transitions. [2018-10-27 00:46:21,006 INFO L276 IsEmpty]: Start isEmpty. Operand 2580 states and 2913 transitions. [2018-10-27 00:46:21,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-10-27 00:46:21,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:21,060 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-10-27 00:46:22,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:22,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2944 states to 2606 states and 2944 transitions. [2018-10-27 00:46:22,861 INFO L276 IsEmpty]: Start isEmpty. Operand 2606 states and 2944 transitions. [2018-10-27 00:46:22,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-10-27 00:46:22,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:22,915 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-10-27 00:46:24,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:24,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2968 states to 2629 states and 2968 transitions. [2018-10-27 00:46:24,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 2968 transitions. [2018-10-27 00:46:24,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-10-27 00:46:24,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-10-27 00:46:25,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:25,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2645 states and 2984 transitions. [2018-10-27 00:46:25,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 2984 transitions. [2018-10-27 00:46:25,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-10-27 00:46:25,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:25,342 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-10-27 00:46:25,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:25,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2648 states and 2986 transitions. [2018-10-27 00:46:25,785 INFO L276 IsEmpty]: Start isEmpty. Operand 2648 states and 2986 transitions. [2018-10-27 00:46:25,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-10-27 00:46:25,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:25,841 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-10-27 00:46:26,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:26,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 2651 states and 2989 transitions. [2018-10-27 00:46:26,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 2989 transitions. [2018-10-27 00:46:26,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-10-27 00:46:26,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:26,339 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-10-27 00:46:27,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:27,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3007 states to 2669 states and 3007 transitions. [2018-10-27 00:46:27,052 INFO L276 IsEmpty]: Start isEmpty. Operand 2669 states and 3007 transitions. [2018-10-27 00:46:27,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-10-27 00:46:27,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:27,090 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-10-27 00:46:31,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:31,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 2726 states and 3074 transitions. [2018-10-27 00:46:31,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3074 transitions. [2018-10-27 00:46:31,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-10-27 00:46:31,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:31,466 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-10-27 00:46:33,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:33,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 2759 states and 3109 transitions. [2018-10-27 00:46:33,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3109 transitions. [2018-10-27 00:46:33,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-10-27 00:46:33,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:33,359 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-10-27 00:46:33,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:33,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3118 states to 2769 states and 3118 transitions. [2018-10-27 00:46:33,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 3118 transitions. [2018-10-27 00:46:33,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-10-27 00:46:33,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:33,884 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-10-27 00:46:36,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:36,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3138 states to 2789 states and 3138 transitions. [2018-10-27 00:46:36,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2789 states and 3138 transitions. [2018-10-27 00:46:36,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-10-27 00:46:36,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:36,170 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-10-27 00:46:36,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:36,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 2792 states and 3140 transitions. [2018-10-27 00:46:36,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2792 states and 3140 transitions. [2018-10-27 00:46:36,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-10-27 00:46:36,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:36,516 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 236 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-27 00:46:38,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:38,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 2818 states and 3174 transitions. [2018-10-27 00:46:38,557 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 3174 transitions. [2018-10-27 00:46:38,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-10-27 00:46:38,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:38,664 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 236 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-27 00:46:39,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:39,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 2835 states and 3194 transitions. [2018-10-27 00:46:39,372 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3194 transitions. [2018-10-27 00:46:39,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-10-27 00:46:39,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:39,548 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 236 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-27 00:46:40,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:40,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3198 states to 2840 states and 3198 transitions. [2018-10-27 00:46:40,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2840 states and 3198 transitions. [2018-10-27 00:46:40,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-10-27 00:46:40,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:40,255 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-27 00:46:40,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:40,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3211 states to 2854 states and 3211 transitions. [2018-10-27 00:46:40,797 INFO L276 IsEmpty]: Start isEmpty. Operand 2854 states and 3211 transitions. [2018-10-27 00:46:40,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-27 00:46:40,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:40,917 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-10-27 00:46:45,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:45,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3275 states to 2916 states and 3275 transitions. [2018-10-27 00:46:45,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 3275 transitions. [2018-10-27 00:46:45,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-27 00:46:45,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:45,974 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-10-27 00:46:47,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:47,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3284 states to 2926 states and 3284 transitions. [2018-10-27 00:46:47,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 3284 transitions. [2018-10-27 00:46:47,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-27 00:46:47,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:47,190 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-10-27 00:46:49,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:49,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 2955 states and 3313 transitions. [2018-10-27 00:46:49,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2955 states and 3313 transitions. [2018-10-27 00:46:49,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-27 00:46:49,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:49,345 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-10-27 00:46:49,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:49,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3315 states to 2958 states and 3315 transitions. [2018-10-27 00:46:49,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2958 states and 3315 transitions. [2018-10-27 00:46:49,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-10-27 00:46:49,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:49,939 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 257 proven. 5 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-27 00:46:50,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:50,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3343 states to 2984 states and 3343 transitions. [2018-10-27 00:46:50,847 INFO L276 IsEmpty]: Start isEmpty. Operand 2984 states and 3343 transitions. [2018-10-27 00:46:50,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-10-27 00:46:50,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:50,997 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 257 proven. 5 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-27 00:46:51,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:51,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3348 states to 2989 states and 3348 transitions. [2018-10-27 00:46:51,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2989 states and 3348 transitions. [2018-10-27 00:46:51,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-10-27 00:46:51,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:51,837 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-27 00:46:54,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:54,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3414 states to 3041 states and 3414 transitions. [2018-10-27 00:46:54,569 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 3414 transitions. [2018-10-27 00:46:54,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-10-27 00:46:54,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:54,642 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-27 00:46:55,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:55,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 3072 states and 3445 transitions. [2018-10-27 00:46:55,737 INFO L276 IsEmpty]: Start isEmpty. Operand 3072 states and 3445 transitions. [2018-10-27 00:46:55,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-10-27 00:46:55,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:55,955 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-27 00:46:57,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:57,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3472 states to 3095 states and 3472 transitions. [2018-10-27 00:46:57,241 INFO L276 IsEmpty]: Start isEmpty. Operand 3095 states and 3472 transitions. [2018-10-27 00:46:57,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-10-27 00:46:57,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:57,979 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-27 00:46:58,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:58,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3485 states to 3109 states and 3485 transitions. [2018-10-27 00:46:58,672 INFO L276 IsEmpty]: Start isEmpty. Operand 3109 states and 3485 transitions. [2018-10-27 00:46:58,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-10-27 00:46:58,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-27 00:46:59,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:46:59,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3493 states to 3116 states and 3493 transitions. [2018-10-27 00:46:59,410 INFO L276 IsEmpty]: Start isEmpty. Operand 3116 states and 3493 transitions. [2018-10-27 00:46:59,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-10-27 00:46:59,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:46:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:46:59,496 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-27 00:47:00,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:00,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3518 states to 3142 states and 3518 transitions. [2018-10-27 00:47:00,401 INFO L276 IsEmpty]: Start isEmpty. Operand 3142 states and 3518 transitions. [2018-10-27 00:47:00,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-10-27 00:47:00,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:00,471 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-27 00:47:00,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:00,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3520 states to 3145 states and 3520 transitions. [2018-10-27 00:47:00,965 INFO L276 IsEmpty]: Start isEmpty. Operand 3145 states and 3520 transitions. [2018-10-27 00:47:00,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-10-27 00:47:00,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:01,244 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-27 00:47:01,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:01,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3526 states to 3152 states and 3526 transitions. [2018-10-27 00:47:01,500 INFO L276 IsEmpty]: Start isEmpty. Operand 3152 states and 3526 transitions. [2018-10-27 00:47:01,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-10-27 00:47:01,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:01,570 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-27 00:47:02,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:02,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3551 states to 3175 states and 3551 transitions. [2018-10-27 00:47:02,918 INFO L276 IsEmpty]: Start isEmpty. Operand 3175 states and 3551 transitions. [2018-10-27 00:47:02,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-10-27 00:47:02,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:03,030 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-27 00:47:03,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:03,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3567 states to 3191 states and 3567 transitions. [2018-10-27 00:47:03,933 INFO L276 IsEmpty]: Start isEmpty. Operand 3191 states and 3567 transitions. [2018-10-27 00:47:03,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-10-27 00:47:03,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:04,075 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-27 00:47:04,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:04,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3569 states to 3194 states and 3569 transitions. [2018-10-27 00:47:04,535 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 3569 transitions. [2018-10-27 00:47:04,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-10-27 00:47:04,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:04,885 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-27 00:47:05,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:05,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3590 states to 3215 states and 3590 transitions. [2018-10-27 00:47:05,484 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 3590 transitions. [2018-10-27 00:47:05,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-10-27 00:47:05,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:05,705 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 84 proven. 34 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-10-27 00:47:06,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:06,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3608 states to 3232 states and 3608 transitions. [2018-10-27 00:47:06,576 INFO L276 IsEmpty]: Start isEmpty. Operand 3232 states and 3608 transitions. [2018-10-27 00:47:06,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-10-27 00:47:06,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:06,666 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 84 proven. 34 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-10-27 00:47:07,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:07,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3608 states to 3233 states and 3608 transitions. [2018-10-27 00:47:07,132 INFO L276 IsEmpty]: Start isEmpty. Operand 3233 states and 3608 transitions. [2018-10-27 00:47:07,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-27 00:47:07,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:07,291 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 313 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-27 00:47:08,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:08,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3623 states to 3250 states and 3623 transitions. [2018-10-27 00:47:08,018 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 3623 transitions. [2018-10-27 00:47:08,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-27 00:47:08,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:08,222 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 313 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-27 00:47:08,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:08,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3626 states to 3254 states and 3626 transitions. [2018-10-27 00:47:08,494 INFO L276 IsEmpty]: Start isEmpty. Operand 3254 states and 3626 transitions. [2018-10-27 00:47:08,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-27 00:47:08,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:08,582 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 313 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-27 00:47:08,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:08,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3632 states to 3261 states and 3632 transitions. [2018-10-27 00:47:08,864 INFO L276 IsEmpty]: Start isEmpty. Operand 3261 states and 3632 transitions. [2018-10-27 00:47:08,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-10-27 00:47:08,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:08,908 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-10-27 00:47:09,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:09,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3277 states and 3648 transitions. [2018-10-27 00:47:09,221 INFO L276 IsEmpty]: Start isEmpty. Operand 3277 states and 3648 transitions. [2018-10-27 00:47:09,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-10-27 00:47:09,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:09,266 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-10-27 00:47:09,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:09,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3284 states and 3654 transitions. [2018-10-27 00:47:09,691 INFO L276 IsEmpty]: Start isEmpty. Operand 3284 states and 3654 transitions. [2018-10-27 00:47:09,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-10-27 00:47:09,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:09,737 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-10-27 00:47:11,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:11,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3673 states to 3304 states and 3673 transitions. [2018-10-27 00:47:11,941 INFO L276 IsEmpty]: Start isEmpty. Operand 3304 states and 3673 transitions. [2018-10-27 00:47:11,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-10-27 00:47:11,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:11,986 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-10-27 00:47:12,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:12,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3675 states to 3307 states and 3675 transitions. [2018-10-27 00:47:12,259 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 3675 transitions. [2018-10-27 00:47:12,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-27 00:47:12,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:12,307 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-10-27 00:47:13,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:13,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3690 states to 3317 states and 3690 transitions. [2018-10-27 00:47:13,070 INFO L276 IsEmpty]: Start isEmpty. Operand 3317 states and 3690 transitions. [2018-10-27 00:47:13,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-27 00:47:13,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:13,119 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-10-27 00:47:14,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:14,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3713 states to 3340 states and 3713 transitions. [2018-10-27 00:47:14,164 INFO L276 IsEmpty]: Start isEmpty. Operand 3340 states and 3713 transitions. [2018-10-27 00:47:14,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-27 00:47:14,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:14,212 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-10-27 00:47:14,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:14,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3726 states to 3354 states and 3726 transitions. [2018-10-27 00:47:14,538 INFO L276 IsEmpty]: Start isEmpty. Operand 3354 states and 3726 transitions. [2018-10-27 00:47:14,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-27 00:47:14,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:14,635 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 105 proven. 34 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2018-10-27 00:47:15,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:15,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3371 states and 3744 transitions. [2018-10-27 00:47:15,685 INFO L276 IsEmpty]: Start isEmpty. Operand 3371 states and 3744 transitions. [2018-10-27 00:47:15,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-27 00:47:15,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:15,776 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 105 proven. 34 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2018-10-27 00:47:17,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:17,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3761 states to 3388 states and 3761 transitions. [2018-10-27 00:47:17,200 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 3761 transitions. [2018-10-27 00:47:17,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-10-27 00:47:17,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:17,336 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 286 proven. 7 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-10-27 00:47:19,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3788 states to 3406 states and 3788 transitions. [2018-10-27 00:47:19,212 INFO L276 IsEmpty]: Start isEmpty. Operand 3406 states and 3788 transitions. [2018-10-27 00:47:19,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-10-27 00:47:19,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:19,318 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 286 proven. 7 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-10-27 00:47:20,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:20,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3413 states and 3796 transitions. [2018-10-27 00:47:20,098 INFO L276 IsEmpty]: Start isEmpty. Operand 3413 states and 3796 transitions. [2018-10-27 00:47:20,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-10-27 00:47:20,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:20,203 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 286 proven. 7 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-10-27 00:47:20,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:20,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3801 states to 3418 states and 3801 transitions. [2018-10-27 00:47:20,700 INFO L276 IsEmpty]: Start isEmpty. Operand 3418 states and 3801 transitions. [2018-10-27 00:47:20,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-10-27 00:47:20,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:20,811 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 286 proven. 7 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-10-27 00:47:21,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:21,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3807 states to 3423 states and 3807 transitions. [2018-10-27 00:47:21,387 INFO L276 IsEmpty]: Start isEmpty. Operand 3423 states and 3807 transitions. [2018-10-27 00:47:21,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-10-27 00:47:21,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:21,509 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 286 proven. 7 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-10-27 00:47:22,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:22,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 3440 states and 3826 transitions. [2018-10-27 00:47:22,642 INFO L276 IsEmpty]: Start isEmpty. Operand 3440 states and 3826 transitions. [2018-10-27 00:47:22,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-27 00:47:22,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:24,466 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-27 00:47:28,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:28,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3882 states to 3494 states and 3882 transitions. [2018-10-27 00:47:28,985 INFO L276 IsEmpty]: Start isEmpty. Operand 3494 states and 3882 transitions. [2018-10-27 00:47:28,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-27 00:47:28,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:29,129 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-27 00:47:29,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:29,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3901 states to 3513 states and 3901 transitions. [2018-10-27 00:47:29,856 INFO L276 IsEmpty]: Start isEmpty. Operand 3513 states and 3901 transitions. [2018-10-27 00:47:29,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-27 00:47:29,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:29,999 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-27 00:47:34,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:34,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3940 states to 3551 states and 3940 transitions. [2018-10-27 00:47:34,176 INFO L276 IsEmpty]: Start isEmpty. Operand 3551 states and 3940 transitions. [2018-10-27 00:47:34,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-27 00:47:34,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:34,319 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-27 00:47:36,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:36,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3971 states to 3583 states and 3971 transitions. [2018-10-27 00:47:36,857 INFO L276 IsEmpty]: Start isEmpty. Operand 3583 states and 3971 transitions. [2018-10-27 00:47:36,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-10-27 00:47:36,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:36,950 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 277 proven. 10 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-27 00:47:37,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:37,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3975 states to 3588 states and 3975 transitions. [2018-10-27 00:47:37,269 INFO L276 IsEmpty]: Start isEmpty. Operand 3588 states and 3975 transitions. [2018-10-27 00:47:37,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-10-27 00:47:37,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:37,374 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 277 proven. 10 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-27 00:47:38,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:38,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4050 states to 3658 states and 4050 transitions. [2018-10-27 00:47:38,394 INFO L276 IsEmpty]: Start isEmpty. Operand 3658 states and 4050 transitions. [2018-10-27 00:47:38,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-10-27 00:47:38,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:38,495 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 277 proven. 10 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-27 00:47:38,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:38,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 3687 states and 4078 transitions. [2018-10-27 00:47:38,621 INFO L276 IsEmpty]: Start isEmpty. Operand 3687 states and 4078 transitions. [2018-10-27 00:47:38,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-10-27 00:47:38,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:38,721 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 277 proven. 10 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-27 00:47:38,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:38,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 3688 states and 4078 transitions. [2018-10-27 00:47:38,779 INFO L276 IsEmpty]: Start isEmpty. Operand 3688 states and 4078 transitions. [2018-10-27 00:47:38,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-10-27 00:47:38,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 330 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-27 00:47:41,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:41,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4104 states to 3711 states and 4104 transitions. [2018-10-27 00:47:41,496 INFO L276 IsEmpty]: Start isEmpty. Operand 3711 states and 4104 transitions. [2018-10-27 00:47:41,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-10-27 00:47:41,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:41,565 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 207 proven. 3 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-10-27 00:47:41,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:41,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4132 states to 3740 states and 4132 transitions. [2018-10-27 00:47:41,714 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 4132 transitions. [2018-10-27 00:47:41,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-10-27 00:47:41,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:41,780 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-27 00:47:41,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:41,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4148 states to 3756 states and 4148 transitions. [2018-10-27 00:47:41,877 INFO L276 IsEmpty]: Start isEmpty. Operand 3756 states and 4148 transitions. [2018-10-27 00:47:41,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-27 00:47:41,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:41,941 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 364 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-10-27 00:47:42,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:42,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4164 states to 3772 states and 4164 transitions. [2018-10-27 00:47:42,533 INFO L276 IsEmpty]: Start isEmpty. Operand 3772 states and 4164 transitions. [2018-10-27 00:47:42,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-27 00:47:42,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:42,597 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 364 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-10-27 00:47:42,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:42,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4170 states to 3779 states and 4170 transitions. [2018-10-27 00:47:42,659 INFO L276 IsEmpty]: Start isEmpty. Operand 3779 states and 4170 transitions. [2018-10-27 00:47:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-27 00:47:42,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:44,771 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 348 proven. 61 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-27 00:47:49,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:49,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4224 states to 3825 states and 4224 transitions. [2018-10-27 00:47:49,076 INFO L276 IsEmpty]: Start isEmpty. Operand 3825 states and 4224 transitions. [2018-10-27 00:47:49,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-10-27 00:47:49,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:49,289 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 377 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-27 00:47:52,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:52,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4250 states to 3846 states and 4250 transitions. [2018-10-27 00:47:52,062 INFO L276 IsEmpty]: Start isEmpty. Operand 3846 states and 4250 transitions. [2018-10-27 00:47:52,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-10-27 00:47:52,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:52,217 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 377 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-27 00:47:52,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:52,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4250 states to 3847 states and 4250 transitions. [2018-10-27 00:47:52,781 INFO L276 IsEmpty]: Start isEmpty. Operand 3847 states and 4250 transitions. [2018-10-27 00:47:52,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-10-27 00:47:52,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:52,941 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 377 proven. 5 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-27 00:47:53,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:53,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4251 states to 3849 states and 4251 transitions. [2018-10-27 00:47:53,083 INFO L276 IsEmpty]: Start isEmpty. Operand 3849 states and 4251 transitions. [2018-10-27 00:47:53,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-10-27 00:47:53,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:53,195 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 225 proven. 34 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-10-27 00:47:53,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:53,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4251 states to 3850 states and 4251 transitions. [2018-10-27 00:47:53,777 INFO L276 IsEmpty]: Start isEmpty. Operand 3850 states and 4251 transitions. [2018-10-27 00:47:53,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-10-27 00:47:53,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:53,928 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 225 proven. 34 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-10-27 00:47:55,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:55,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4255 states to 3852 states and 4255 transitions. [2018-10-27 00:47:55,145 INFO L276 IsEmpty]: Start isEmpty. Operand 3852 states and 4255 transitions. [2018-10-27 00:47:55,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-10-27 00:47:55,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:55,486 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 225 proven. 34 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-10-27 00:47:56,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:56,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4265 states to 3863 states and 4265 transitions. [2018-10-27 00:47:56,520 INFO L276 IsEmpty]: Start isEmpty. Operand 3863 states and 4265 transitions. [2018-10-27 00:47:56,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-10-27 00:47:56,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:56,631 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 225 proven. 34 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-10-27 00:47:57,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:57,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4274 states to 3873 states and 4274 transitions. [2018-10-27 00:47:57,291 INFO L276 IsEmpty]: Start isEmpty. Operand 3873 states and 4274 transitions. [2018-10-27 00:47:57,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-10-27 00:47:57,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:57,399 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 225 proven. 34 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-10-27 00:47:57,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:57,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4279 states to 3878 states and 4279 transitions. [2018-10-27 00:47:57,883 INFO L276 IsEmpty]: Start isEmpty. Operand 3878 states and 4279 transitions. [2018-10-27 00:47:57,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-10-27 00:47:57,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:57,996 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-10-27 00:47:59,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:47:59,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4361 states to 3959 states and 4361 transitions. [2018-10-27 00:47:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 3959 states and 4361 transitions. [2018-10-27 00:47:59,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-10-27 00:47:59,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:47:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:47:59,969 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 410 proven. 5 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-27 00:48:00,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:00,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4388 states to 3985 states and 4388 transitions. [2018-10-27 00:48:00,730 INFO L276 IsEmpty]: Start isEmpty. Operand 3985 states and 4388 transitions. [2018-10-27 00:48:00,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-10-27 00:48:00,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:00,861 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 410 proven. 5 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-27 00:48:01,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:01,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4391 states to 3988 states and 4391 transitions. [2018-10-27 00:48:01,457 INFO L276 IsEmpty]: Start isEmpty. Operand 3988 states and 4391 transitions. [2018-10-27 00:48:01,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-10-27 00:48:01,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-10-27 00:48:02,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:02,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4404 states to 3999 states and 4404 transitions. [2018-10-27 00:48:02,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3999 states and 4404 transitions. [2018-10-27 00:48:02,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-10-27 00:48:02,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:03,241 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 455 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-27 00:48:04,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:04,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4448 states to 4041 states and 4448 transitions. [2018-10-27 00:48:04,641 INFO L276 IsEmpty]: Start isEmpty. Operand 4041 states and 4448 transitions. [2018-10-27 00:48:04,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-10-27 00:48:04,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:04,725 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 247 proven. 3 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-10-27 00:48:05,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:05,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4452 states to 4046 states and 4452 transitions. [2018-10-27 00:48:05,659 INFO L276 IsEmpty]: Start isEmpty. Operand 4046 states and 4452 transitions. [2018-10-27 00:48:05,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-10-27 00:48:05,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:05,743 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 247 proven. 3 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-10-27 00:48:06,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:06,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4459 states to 4054 states and 4459 transitions. [2018-10-27 00:48:06,593 INFO L276 IsEmpty]: Start isEmpty. Operand 4054 states and 4459 transitions. [2018-10-27 00:48:06,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-10-27 00:48:06,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:06,697 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 247 proven. 3 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-10-27 00:48:07,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:07,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4469 states to 4065 states and 4469 transitions. [2018-10-27 00:48:07,776 INFO L276 IsEmpty]: Start isEmpty. Operand 4065 states and 4469 transitions. [2018-10-27 00:48:07,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-10-27 00:48:07,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:07,858 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 247 proven. 3 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-10-27 00:48:08,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:08,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4476 states to 4073 states and 4476 transitions. [2018-10-27 00:48:08,303 INFO L276 IsEmpty]: Start isEmpty. Operand 4073 states and 4476 transitions. [2018-10-27 00:48:08,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-10-27 00:48:08,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:08,473 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 449 proven. 5 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-10-27 00:48:08,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:08,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4505 states to 4102 states and 4505 transitions. [2018-10-27 00:48:08,891 INFO L276 IsEmpty]: Start isEmpty. Operand 4102 states and 4505 transitions. [2018-10-27 00:48:08,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-10-27 00:48:08,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:09,066 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 449 proven. 5 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-10-27 00:48:09,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:09,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4510 states to 4109 states and 4510 transitions. [2018-10-27 00:48:09,698 INFO L276 IsEmpty]: Start isEmpty. Operand 4109 states and 4510 transitions. [2018-10-27 00:48:09,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-10-27 00:48:09,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:11,673 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 467 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-10-27 00:48:15,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:15,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4554 states to 4152 states and 4554 transitions. [2018-10-27 00:48:15,975 INFO L276 IsEmpty]: Start isEmpty. Operand 4152 states and 4554 transitions. [2018-10-27 00:48:15,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-10-27 00:48:15,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:16,299 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 467 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-10-27 00:48:17,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:17,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4561 states to 4159 states and 4561 transitions. [2018-10-27 00:48:17,266 INFO L276 IsEmpty]: Start isEmpty. Operand 4159 states and 4561 transitions. [2018-10-27 00:48:17,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-10-27 00:48:17,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:17,456 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 467 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-10-27 00:48:17,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:17,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4576 states to 4175 states and 4576 transitions. [2018-10-27 00:48:17,928 INFO L276 IsEmpty]: Start isEmpty. Operand 4175 states and 4576 transitions. [2018-10-27 00:48:17,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-10-27 00:48:17,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:18,062 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 492 proven. 10 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-10-27 00:48:19,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:19,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4610 states to 4206 states and 4610 transitions. [2018-10-27 00:48:19,717 INFO L276 IsEmpty]: Start isEmpty. Operand 4206 states and 4610 transitions. [2018-10-27 00:48:19,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-10-27 00:48:19,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:20,114 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 492 proven. 10 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-10-27 00:48:20,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:20,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4620 states to 4216 states and 4620 transitions. [2018-10-27 00:48:20,747 INFO L276 IsEmpty]: Start isEmpty. Operand 4216 states and 4620 transitions. [2018-10-27 00:48:20,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-10-27 00:48:20,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:20,874 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 492 proven. 10 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-10-27 00:48:22,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:22,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4646 states to 4242 states and 4646 transitions. [2018-10-27 00:48:22,355 INFO L276 IsEmpty]: Start isEmpty. Operand 4242 states and 4646 transitions. [2018-10-27 00:48:22,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-10-27 00:48:22,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:22,486 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 492 proven. 10 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-10-27 00:48:23,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:23,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4666 states to 4263 states and 4666 transitions. [2018-10-27 00:48:23,406 INFO L276 IsEmpty]: Start isEmpty. Operand 4263 states and 4666 transitions. [2018-10-27 00:48:23,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-10-27 00:48:23,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:23,542 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 492 proven. 10 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-10-27 00:48:23,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:23,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4672 states to 4270 states and 4672 transitions. [2018-10-27 00:48:23,630 INFO L276 IsEmpty]: Start isEmpty. Operand 4270 states and 4672 transitions. [2018-10-27 00:48:23,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-10-27 00:48:23,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:23,763 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 492 proven. 10 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-10-27 00:48:24,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:24,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4674 states to 4273 states and 4674 transitions. [2018-10-27 00:48:24,385 INFO L276 IsEmpty]: Start isEmpty. Operand 4273 states and 4674 transitions. [2018-10-27 00:48:24,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-10-27 00:48:24,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:24,522 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 492 proven. 10 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-10-27 00:48:24,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:24,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4677 states to 4277 states and 4677 transitions. [2018-10-27 00:48:24,903 INFO L276 IsEmpty]: Start isEmpty. Operand 4277 states and 4677 transitions. [2018-10-27 00:48:24,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-10-27 00:48:24,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:25,033 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 492 proven. 10 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-10-27 00:48:25,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:25,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4694 states to 4295 states and 4694 transitions. [2018-10-27 00:48:25,683 INFO L276 IsEmpty]: Start isEmpty. Operand 4295 states and 4694 transitions. [2018-10-27 00:48:25,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-10-27 00:48:25,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:25,813 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 492 proven. 10 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-10-27 00:48:26,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:26,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4696 states to 4298 states and 4696 transitions. [2018-10-27 00:48:26,390 INFO L276 IsEmpty]: Start isEmpty. Operand 4298 states and 4696 transitions. [2018-10-27 00:48:26,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-10-27 00:48:26,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:26,517 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 492 proven. 10 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-10-27 00:48:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:26,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4700 states to 4303 states and 4700 transitions. [2018-10-27 00:48:26,882 INFO L276 IsEmpty]: Start isEmpty. Operand 4303 states and 4700 transitions. [2018-10-27 00:48:26,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2018-10-27 00:48:26,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:27,278 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 513 proven. 18 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-10-27 00:48:27,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:27,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4700 states to 4304 states and 4700 transitions. [2018-10-27 00:48:27,402 INFO L276 IsEmpty]: Start isEmpty. Operand 4304 states and 4700 transitions. [2018-10-27 00:48:27,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-10-27 00:48:27,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:29,765 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 639 proven. 5 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-10-27 00:48:31,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:31,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4706 states to 4309 states and 4706 transitions. [2018-10-27 00:48:31,377 INFO L276 IsEmpty]: Start isEmpty. Operand 4309 states and 4706 transitions. [2018-10-27 00:48:31,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-10-27 00:48:31,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:31,490 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-10-27 00:48:31,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:31,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4733 states to 4336 states and 4733 transitions. [2018-10-27 00:48:31,921 INFO L276 IsEmpty]: Start isEmpty. Operand 4336 states and 4733 transitions. [2018-10-27 00:48:31,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-10-27 00:48:31,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:32,036 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-10-27 00:48:32,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:32,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4749 states to 4352 states and 4749 transitions. [2018-10-27 00:48:32,160 INFO L276 IsEmpty]: Start isEmpty. Operand 4352 states and 4749 transitions. [2018-10-27 00:48:32,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-10-27 00:48:32,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:32,274 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-10-27 00:48:32,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:32,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4757 states to 4358 states and 4757 transitions. [2018-10-27 00:48:32,926 INFO L276 IsEmpty]: Start isEmpty. Operand 4358 states and 4757 transitions. [2018-10-27 00:48:32,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-10-27 00:48:32,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:33,041 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-10-27 00:48:33,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:33,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4769 states to 4370 states and 4769 transitions. [2018-10-27 00:48:33,422 INFO L276 IsEmpty]: Start isEmpty. Operand 4370 states and 4769 transitions. [2018-10-27 00:48:33,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-10-27 00:48:33,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:33,533 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2018-10-27 00:48:34,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:34,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4852 states to 4450 states and 4852 transitions. [2018-10-27 00:48:34,659 INFO L276 IsEmpty]: Start isEmpty. Operand 4450 states and 4852 transitions. [2018-10-27 00:48:34,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2018-10-27 00:48:34,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:35,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 797 proven. 10 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2018-10-27 00:48:35,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:35,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4856 states to 4455 states and 4856 transitions. [2018-10-27 00:48:35,141 INFO L276 IsEmpty]: Start isEmpty. Operand 4455 states and 4856 transitions. [2018-10-27 00:48:35,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2018-10-27 00:48:35,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:35,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 589 proven. 0 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-10-27 00:48:35,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:35,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4857 states to 4456 states and 4857 transitions. [2018-10-27 00:48:35,804 INFO L276 IsEmpty]: Start isEmpty. Operand 4456 states and 4857 transitions. [2018-10-27 00:48:35,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2018-10-27 00:48:35,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:35,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 589 proven. 0 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-10-27 00:48:36,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:36,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4858 states to 4457 states and 4858 transitions. [2018-10-27 00:48:36,482 INFO L276 IsEmpty]: Start isEmpty. Operand 4457 states and 4858 transitions. [2018-10-27 00:48:36,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2018-10-27 00:48:36,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:36,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 693 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2018-10-27 00:48:37,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:37,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4866 states to 4465 states and 4866 transitions. [2018-10-27 00:48:37,132 INFO L276 IsEmpty]: Start isEmpty. Operand 4465 states and 4866 transitions. [2018-10-27 00:48:37,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2018-10-27 00:48:37,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:37,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 605 proven. 5 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2018-10-27 00:48:42,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:42,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5025 states to 4611 states and 5025 transitions. [2018-10-27 00:48:42,256 INFO L276 IsEmpty]: Start isEmpty. Operand 4611 states and 5025 transitions. [2018-10-27 00:48:42,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2018-10-27 00:48:42,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:42,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 605 proven. 5 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2018-10-27 00:48:43,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:43,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5041 states to 4628 states and 5041 transitions. [2018-10-27 00:48:43,666 INFO L276 IsEmpty]: Start isEmpty. Operand 4628 states and 5041 transitions. [2018-10-27 00:48:43,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2018-10-27 00:48:43,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:44,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 884 proven. 257 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2018-10-27 00:48:46,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:48:46,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5080 states to 4662 states and 5080 transitions. [2018-10-27 00:48:46,459 INFO L276 IsEmpty]: Start isEmpty. Operand 4662 states and 5080 transitions. [2018-10-27 00:48:46,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2018-10-27 00:48:46,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:48:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:48:49,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 939 proven. 232 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-10-27 00:49:03,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:03,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5255 states to 4814 states and 5255 transitions. [2018-10-27 00:49:03,264 INFO L276 IsEmpty]: Start isEmpty. Operand 4814 states and 5255 transitions. [2018-10-27 00:49:03,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2018-10-27 00:49:03,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:03,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 939 proven. 232 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-10-27 00:49:08,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:08,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5294 states to 4850 states and 5294 transitions. [2018-10-27 00:49:08,215 INFO L276 IsEmpty]: Start isEmpty. Operand 4850 states and 5294 transitions. [2018-10-27 00:49:08,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2018-10-27 00:49:08,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:08,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 939 proven. 232 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-10-27 00:49:11,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:11,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5323 states to 4879 states and 5323 transitions. [2018-10-27 00:49:11,306 INFO L276 IsEmpty]: Start isEmpty. Operand 4879 states and 5323 transitions. [2018-10-27 00:49:11,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2018-10-27 00:49:11,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 939 proven. 232 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-10-27 00:49:14,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:14,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5361 states to 4917 states and 5361 transitions. [2018-10-27 00:49:14,205 INFO L276 IsEmpty]: Start isEmpty. Operand 4917 states and 5361 transitions. [2018-10-27 00:49:14,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2018-10-27 00:49:14,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:14,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1664 backedges. 1098 proven. 0 refuted. 0 times theorem prover too weak. 566 trivial. 0 not checked. [2018-10-27 00:49:14,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:14,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5366 states to 4922 states and 5366 transitions. [2018-10-27 00:49:14,821 INFO L276 IsEmpty]: Start isEmpty. Operand 4922 states and 5366 transitions. [2018-10-27 00:49:14,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2018-10-27 00:49:14,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:15,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1762 backedges. 987 proven. 4 refuted. 0 times theorem prover too weak. 771 trivial. 0 not checked. [2018-10-27 00:49:16,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:16,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5368 states to 4925 states and 5368 transitions. [2018-10-27 00:49:16,685 INFO L276 IsEmpty]: Start isEmpty. Operand 4925 states and 5368 transitions. [2018-10-27 00:49:16,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2018-10-27 00:49:16,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:17,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1790 backedges. 1294 proven. 10 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2018-10-27 00:49:18,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:18,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5401 states to 4959 states and 5401 transitions. [2018-10-27 00:49:18,941 INFO L276 IsEmpty]: Start isEmpty. Operand 4959 states and 5401 transitions. [2018-10-27 00:49:18,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2018-10-27 00:49:18,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:19,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1790 backedges. 1294 proven. 10 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2018-10-27 00:49:19,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:19,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5403 states to 4962 states and 5403 transitions. [2018-10-27 00:49:19,457 INFO L276 IsEmpty]: Start isEmpty. Operand 4962 states and 5403 transitions. [2018-10-27 00:49:19,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2018-10-27 00:49:19,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:20,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1985 backedges. 1466 proven. 5 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2018-10-27 00:49:22,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:22,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5426 states to 4983 states and 5426 transitions. [2018-10-27 00:49:22,070 INFO L276 IsEmpty]: Start isEmpty. Operand 4983 states and 5426 transitions. [2018-10-27 00:49:22,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2018-10-27 00:49:22,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:22,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1985 backedges. 1466 proven. 5 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2018-10-27 00:49:23,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:23,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5433 states to 4990 states and 5433 transitions. [2018-10-27 00:49:23,087 INFO L276 IsEmpty]: Start isEmpty. Operand 4990 states and 5433 transitions. [2018-10-27 00:49:23,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2018-10-27 00:49:23,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:23,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2064 backedges. 1314 proven. 0 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2018-10-27 00:49:23,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:23,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5436 states to 4994 states and 5436 transitions. [2018-10-27 00:49:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand 4994 states and 5436 transitions. [2018-10-27 00:49:23,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2018-10-27 00:49:23,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:23,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2064 backedges. 1314 proven. 0 refuted. 0 times theorem prover too weak. 750 trivial. 0 not checked. [2018-10-27 00:49:24,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:24,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5440 states to 4999 states and 5440 transitions. [2018-10-27 00:49:24,038 INFO L276 IsEmpty]: Start isEmpty. Operand 4999 states and 5440 transitions. [2018-10-27 00:49:24,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2018-10-27 00:49:24,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:24,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2129 backedges. 1126 proven. 466 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2018-10-27 00:49:25,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:25,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5453 states to 5010 states and 5453 transitions. [2018-10-27 00:49:25,819 INFO L276 IsEmpty]: Start isEmpty. Operand 5010 states and 5453 transitions. [2018-10-27 00:49:25,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2018-10-27 00:49:25,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:26,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2129 backedges. 1126 proven. 466 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2018-10-27 00:49:26,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:26,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5460 states to 5017 states and 5460 transitions. [2018-10-27 00:49:26,964 INFO L276 IsEmpty]: Start isEmpty. Operand 5017 states and 5460 transitions. [2018-10-27 00:49:26,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 621 [2018-10-27 00:49:26,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:27,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2129 backedges. 1126 proven. 466 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2018-10-27 00:49:28,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:28,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5472 states to 5029 states and 5472 transitions. [2018-10-27 00:49:28,329 INFO L276 IsEmpty]: Start isEmpty. Operand 5029 states and 5472 transitions. [2018-10-27 00:49:28,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2018-10-27 00:49:28,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:30,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2198 backedges. 1270 proven. 445 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-10-27 00:49:33,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:33,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5036 states and 5479 transitions. [2018-10-27 00:49:33,628 INFO L276 IsEmpty]: Start isEmpty. Operand 5036 states and 5479 transitions. [2018-10-27 00:49:33,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2018-10-27 00:49:33,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:33,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2217 backedges. 1387 proven. 0 refuted. 0 times theorem prover too weak. 830 trivial. 0 not checked. [2018-10-27 00:49:35,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:35,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5533 states to 5087 states and 5533 transitions. [2018-10-27 00:49:35,400 INFO L276 IsEmpty]: Start isEmpty. Operand 5087 states and 5533 transitions. [2018-10-27 00:49:35,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2018-10-27 00:49:35,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:35,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2217 backedges. 1387 proven. 0 refuted. 0 times theorem prover too weak. 830 trivial. 0 not checked. [2018-10-27 00:49:36,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:36,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5563 states to 5118 states and 5563 transitions. [2018-10-27 00:49:36,732 INFO L276 IsEmpty]: Start isEmpty. Operand 5118 states and 5563 transitions. [2018-10-27 00:49:36,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2018-10-27 00:49:36,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:37,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2217 backedges. 1387 proven. 0 refuted. 0 times theorem prover too weak. 830 trivial. 0 not checked. [2018-10-27 00:49:39,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:39,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5583 states to 5139 states and 5583 transitions. [2018-10-27 00:49:39,089 INFO L276 IsEmpty]: Start isEmpty. Operand 5139 states and 5583 transitions. [2018-10-27 00:49:39,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2018-10-27 00:49:39,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:49:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:49:39,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2217 backedges. 1387 proven. 0 refuted. 0 times theorem prover too weak. 830 trivial. 0 not checked. [2018-10-27 00:49:40,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:49:40,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4402 states to 4059 states and 4402 transitions. [2018-10-27 00:49:40,468 INFO L276 IsEmpty]: Start isEmpty. Operand 4059 states and 4402 transitions. [2018-10-27 00:49:40,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:49:40,471 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 248 iterations. [2018-10-27 00:49:40,478 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-27 00:49:40,773 WARN L179 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 49 [2018-10-27 00:49:40,960 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 36 [2018-10-27 00:49:41,301 WARN L179 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 50 [2018-10-27 00:49:41,408 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 31 [2018-10-27 00:49:41,666 WARN L179 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 50 [2018-10-27 00:49:41,901 WARN L179 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 47 [2018-10-27 00:49:42,113 WARN L179 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 31 [2018-10-27 00:49:42,299 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 36 [2018-10-27 00:49:42,410 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 31 [2018-10-27 00:49:42,613 WARN L179 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 36 [2018-10-27 00:49:42,901 WARN L179 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 50 [2018-10-27 00:49:43,172 WARN L179 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 50 [2018-10-27 00:49:43,280 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 31 [2018-10-27 00:49:43,481 WARN L179 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 34 [2018-10-27 00:49:43,594 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 31 [2018-10-27 00:49:43,811 WARN L179 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-10-27 00:49:44,035 WARN L179 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-10-27 00:49:44,263 WARN L179 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 34 [2018-10-27 00:49:44,462 WARN L179 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 34 [2018-10-27 00:49:44,829 WARN L179 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 47 [2018-10-27 00:49:45,019 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 36 [2018-10-27 00:49:45,208 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 36 [2018-10-27 00:49:45,408 WARN L179 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 34 [2018-10-27 00:49:45,628 WARN L179 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 28 [2018-10-27 00:49:45,912 WARN L179 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 50 [2018-10-27 00:49:46,345 WARN L179 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 36 [2018-10-27 00:49:46,546 WARN L179 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 36 [2018-10-27 00:49:46,776 WARN L179 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 34 [2018-10-27 00:49:47,191 WARN L179 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 62 [2018-10-27 00:49:47,394 WARN L179 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 34 [2018-10-27 00:49:47,582 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 36 [2018-10-27 00:49:47,783 WARN L179 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 34 [2018-10-27 00:49:48,026 WARN L179 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 48 [2018-10-27 00:49:48,223 WARN L179 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 34 [2018-10-27 00:49:48,460 WARN L179 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 47 [2018-10-27 00:49:48,687 WARN L179 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-10-27 00:49:48,961 WARN L179 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 47 [2018-10-27 00:49:49,253 WARN L179 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 36 [2018-10-27 00:49:49,449 WARN L179 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 34 [2018-10-27 00:49:49,692 WARN L179 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 48 [2018-10-27 00:49:49,913 WARN L179 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 34 [2018-10-27 00:49:50,116 WARN L179 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 34 [2018-10-27 00:49:50,392 WARN L179 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 52 [2018-10-27 00:49:50,752 WARN L179 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 50 [2018-10-27 00:49:50,969 WARN L179 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-10-27 00:49:51,168 WARN L179 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 28 [2018-10-27 00:49:51,357 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 36 [2018-10-27 00:49:51,567 WARN L179 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-10-27 00:49:51,750 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 36 [2018-10-27 00:49:52,112 WARN L179 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 50 [2018-10-27 00:49:52,313 WARN L179 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 36 [2018-10-27 00:49:52,496 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 34 [2018-10-27 00:49:52,677 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 31 [2018-10-27 00:49:52,789 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 31 [2018-10-27 00:49:52,984 WARN L179 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 34 [2018-10-27 00:49:53,215 WARN L179 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 47 [2018-10-27 00:49:53,459 WARN L179 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 47 [2018-10-27 00:49:53,571 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 31 [2018-10-27 00:49:53,852 WARN L179 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 50 [2018-10-27 00:49:54,032 WARN L179 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 36 [2018-10-27 00:49:54,221 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 34 [2018-10-27 00:49:54,419 WARN L179 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 34 [2018-10-27 00:49:54,607 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 36 [2018-10-27 00:49:54,875 WARN L179 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 49 [2018-10-27 00:49:55,040 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 31 [2018-10-27 00:49:55,238 WARN L179 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 34 [2018-10-27 00:49:55,458 WARN L179 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 28 [2018-10-27 00:49:55,896 WARN L179 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 34 [2018-10-27 00:49:56,130 WARN L179 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 47 [2018-10-27 00:49:56,373 WARN L179 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 47 [2018-10-27 00:49:56,594 WARN L179 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 28 [2018-10-27 00:49:56,800 WARN L179 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 34 [2018-10-27 00:49:57,171 WARN L179 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 61 [2018-10-27 00:49:57,373 WARN L179 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 34 [2018-10-27 00:49:57,543 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 31 [2018-10-27 00:49:57,729 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 36 [2018-10-27 00:49:57,729 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:49:57,731 INFO L582 CodeCheckObserver]: Invariant with dag size 28 [2018-10-27 00:49:57,737 INFO L582 CodeCheckObserver]: Invariant with dag size 28 [2018-10-27 00:49:57,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 12:49:57 ImpRootNode [2018-10-27 00:49:57,739 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 00:49:57,739 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:49:57,739 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:49:57,739 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:49:57,743 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:44:25" (3/4) ... [2018-10-27 00:49:57,749 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:49:57,766 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-10-27 00:49:57,768 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-10-27 00:49:57,769 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-10-27 00:49:57,769 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 00:49:57,866 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9362fbe3-0e85-484b-9fdc-05aa8d01021b/bin-2019/ukojak/witness.graphml [2018-10-27 00:49:57,867 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:49:57,867 INFO L168 Benchmark]: Toolchain (without parser) took 337988.47 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.8 GB). Free memory was 955.4 MB in the beginning and 3.5 GB in the end (delta: -2.6 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-10-27 00:49:57,868 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:49:57,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 468.48 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 925.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:49:57,868 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.79 ms. Allocated memory is still 1.0 GB. Free memory was 925.8 MB in the beginning and 919.4 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:49:57,868 INFO L168 Benchmark]: Boogie Preprocessor took 145.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 919.4 MB in the beginning and 1.2 GB in the end (delta: -231.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-10-27 00:49:57,869 INFO L168 Benchmark]: RCFGBuilder took 4915.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 918.1 MB in the end (delta: 232.3 MB). Peak memory consumption was 232.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:49:57,869 INFO L168 Benchmark]: CodeCheck took 332258.19 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.7 GB). Free memory was 918.1 MB in the beginning and 3.5 GB in the end (delta: -2.6 GB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. [2018-10-27 00:49:57,869 INFO L168 Benchmark]: Witness Printer took 127.68 ms. Allocated memory is still 4.8 GB. Free memory was 3.5 GB in the beginning and 3.5 GB in the end (delta: 4.3 kB). Peak memory consumption was 4.3 kB. Max. memory is 11.5 GB. [2018-10-27 00:49:57,876 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 314.9s OverallTime, 248 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1659909072 SDtfs, 159491096 SDslu, 412196480 SDs, 0 SdLazy, 1537182724 SolverSat, 1190072372 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2808.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 414563 GetRequests, 407306 SyntacticMatches, 5271 SemanticMatches, 1986 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3350491 ImplicationChecksByTransitivity, 259.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.1s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 37.4s InterpolantComputationTime, 66550 NumberOfCodeBlocks, 66550 NumberOfCodeBlocksAsserted, 247 NumberOfCheckSat, 66303 ConstructedInterpolants, 0 QuantifiedInterpolants, 69994252 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 247 InterpolantComputations, 160 PerfectInterpolantSequences, 105472/109459 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: 532]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((!(a11 == 1) && !(a28 == 11)) || ((!(a28 == 8) && !(a17 == 9)) && !(a28 == 11))) || ((((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1))) || ((!(a19 == 1) && !(a28 == 8)) && !(a28 == 11)) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((!(a11 == 1) && !(a28 == 11)) || ((!(a28 == 8) && !(a17 == 9)) && !(a28 == 11))) || ((((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1) && !(a11 == 1))) || ((!(a19 == 1) && !(a28 == 8)) && !(a28 == 11)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 468.48 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 925.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.79 ms. Allocated memory is still 1.0 GB. Free memory was 925.8 MB in the beginning and 919.4 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 145.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 919.4 MB in the beginning and 1.2 GB in the end (delta: -231.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4915.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 918.1 MB in the end (delta: 232.3 MB). Peak memory consumption was 232.3 MB. Max. memory is 11.5 GB. * CodeCheck took 332258.19 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.7 GB). Free memory was 918.1 MB in the beginning and 3.5 GB in the end (delta: -2.6 GB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. * Witness Printer took 127.68 ms. Allocated memory is still 4.8 GB. Free memory was 3.5 GB in the beginning and 3.5 GB in the end (delta: 4.3 kB). Peak memory consumption was 4.3 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...