./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label26_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_6342b54a-60af-44b4-9f5d-1b71872837ad/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6342b54a-60af-44b4-9f5d-1b71872837ad/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6342b54a-60af-44b4-9f5d-1b71872837ad/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6342b54a-60af-44b4-9f5d-1b71872837ad/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6342b54a-60af-44b4-9f5d-1b71872837ad/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6342b54a-60af-44b4-9f5d-1b71872837ad/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 ec64944e15cde20ad15af2bd0f0e78efc8184588 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:52:40,276 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:52:40,278 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:52:40,298 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:52:40,298 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:52:40,299 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:52:40,301 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:52:40,302 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:52:40,304 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:52:40,305 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:52:40,306 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:52:40,306 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:52:40,307 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:52:40,308 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:52:40,310 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:52:40,311 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:52:40,311 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:52:40,314 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:52:40,315 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:52:40,317 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:52:40,318 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:52:40,320 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:52:40,322 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:52:40,322 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:52:40,322 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:52:40,323 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:52:40,324 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:52:40,326 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:52:40,326 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:52:40,327 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:52:40,328 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:52:40,329 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:52:40,329 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:52:40,330 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:52:40,331 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:52:40,331 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:52:40,332 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6342b54a-60af-44b4-9f5d-1b71872837ad/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 19:52:40,346 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:52:40,346 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:52:40,347 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:52:40,347 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:52:40,347 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:52:40,348 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:52:40,348 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:52:40,349 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:52:40,349 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:52:40,349 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:52:40,349 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:52:40,349 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:52:40,350 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:52:40,350 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:52:40,350 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:52:40,350 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:52:40,350 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:52:40,350 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 19:52:40,351 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 19:52:40,351 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:52:40,351 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:52:40,351 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:52:40,351 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:52:40,352 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:52:40,352 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:52:40,352 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 19:52:40,354 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:52:40,354 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:52:40,355 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_6342b54a-60af-44b4-9f5d-1b71872837ad/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 -> ec64944e15cde20ad15af2bd0f0e78efc8184588 [2018-10-26 19:52:40,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:52:40,404 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:52:40,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:52:40,410 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:52:40,411 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:52:40,412 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6342b54a-60af-44b4-9f5d-1b71872837ad/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c [2018-10-26 19:52:40,470 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6342b54a-60af-44b4-9f5d-1b71872837ad/bin-2019/ukojak/data/d2ca06f96/23bf7caed98a4891a0d90ad35b89e810/FLAG81a41de83 [2018-10-26 19:52:40,938 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:52:40,939 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6342b54a-60af-44b4-9f5d-1b71872837ad/sv-benchmarks/c/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c [2018-10-26 19:52:40,950 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6342b54a-60af-44b4-9f5d-1b71872837ad/bin-2019/ukojak/data/d2ca06f96/23bf7caed98a4891a0d90ad35b89e810/FLAG81a41de83 [2018-10-26 19:52:40,963 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6342b54a-60af-44b4-9f5d-1b71872837ad/bin-2019/ukojak/data/d2ca06f96/23bf7caed98a4891a0d90ad35b89e810 [2018-10-26 19:52:40,973 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:52:40,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:52:40,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:52:40,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:52:40,980 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:52:40,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:52:40" (1/1) ... [2018-10-26 19:52:40,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b25249f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:52:40, skipping insertion in model container [2018-10-26 19:52:40,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:52:40" (1/1) ... [2018-10-26 19:52:40,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:52:41,038 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:52:41,395 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:52:41,400 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:52:41,504 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:52:41,521 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:52:41,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:52:41 WrapperNode [2018-10-26 19:52:41,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:52:41,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:52:41,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:52:41,523 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:52:41,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:52:41" (1/1) ... [2018-10-26 19:52:41,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:52:41" (1/1) ... [2018-10-26 19:52:41,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:52:41,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:52:41,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:52:41,803 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:52:41,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:52:41" (1/1) ... [2018-10-26 19:52:41,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:52:41" (1/1) ... [2018-10-26 19:52:41,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:52:41" (1/1) ... [2018-10-26 19:52:41,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:52:41" (1/1) ... [2018-10-26 19:52:41,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:52:41" (1/1) ... [2018-10-26 19:52:41,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:52:41" (1/1) ... [2018-10-26 19:52:41,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:52:41" (1/1) ... [2018-10-26 19:52:41,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:52:41,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:52:41,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:52:41,890 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:52:41,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:52:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6342b54a-60af-44b4-9f5d-1b71872837ad/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:52:41,964 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 19:52:41,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:52:41,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:52:46,539 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:52:46,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:52:46 BoogieIcfgContainer [2018-10-26 19:52:46,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:52:46,540 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 19:52:46,541 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 19:52:46,554 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 19:52:46,554 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:52:46" (1/1) ... [2018-10-26 19:52:46,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:52:46,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:46,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-10-26 19:52:46,613 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-10-26 19:52:46,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 19:52:46,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:47,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:52:47,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:47,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 243 transitions. [2018-10-26 19:52:47,954 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2018-10-26 19:52:47,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 19:52:47,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:48,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:52:49,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:49,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 245 states and 337 transitions. [2018-10-26 19:52:49,051 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 337 transitions. [2018-10-26 19:52:49,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-26 19:52:49,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:49,224 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 19:52:49,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:49,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 246 states and 338 transitions. [2018-10-26 19:52:49,343 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 338 transitions. [2018-10-26 19:52:49,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 19:52:49,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:49,550 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:52:49,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:49,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 264 states and 365 transitions. [2018-10-26 19:52:49,689 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 365 transitions. [2018-10-26 19:52:49,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 19:52:49,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:50,377 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:52:50,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:50,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 283 states and 391 transitions. [2018-10-26 19:52:50,879 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 391 transitions. [2018-10-26 19:52:50,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 19:52:50,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:50,920 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:52:51,206 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 19:52:51,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:51,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 287 states and 395 transitions. [2018-10-26 19:52:51,747 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 395 transitions. [2018-10-26 19:52:51,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 19:52:51,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:51,912 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:52:52,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:52,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 367 states and 478 transitions. [2018-10-26 19:52:52,811 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 478 transitions. [2018-10-26 19:52:52,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 19:52:52,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:52,979 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 19:52:53,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:53,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 369 states and 481 transitions. [2018-10-26 19:52:53,156 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 481 transitions. [2018-10-26 19:52:53,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 19:52:53,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:53,214 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:52:53,596 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-26 19:52:54,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:54,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 422 states and 540 transitions. [2018-10-26 19:52:54,208 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 540 transitions. [2018-10-26 19:52:54,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 19:52:54,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:54,437 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:52:54,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:54,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 461 states and 582 transitions. [2018-10-26 19:52:54,822 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 582 transitions. [2018-10-26 19:52:54,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-26 19:52:54,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:52:55,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:55,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 481 states and 608 transitions. [2018-10-26 19:52:55,272 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 608 transitions. [2018-10-26 19:52:55,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-26 19:52:55,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:55,325 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:52:55,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:55,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 483 states and 610 transitions. [2018-10-26 19:52:55,488 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 610 transitions. [2018-10-26 19:52:55,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-26 19:52:55,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:55,524 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:52:55,852 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 19:52:56,176 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 19:52:56,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:56,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 504 states and 640 transitions. [2018-10-26 19:52:56,783 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 640 transitions. [2018-10-26 19:52:56,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-26 19:52:56,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:56,839 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:52:57,961 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 19:52:58,856 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 19:52:58,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:52:59,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 518 states and 655 transitions. [2018-10-26 19:52:59,001 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 655 transitions. [2018-10-26 19:52:59,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 19:52:59,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:52:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:52:59,071 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-10-26 19:52:59,984 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 19:53:00,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:00,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 523 states and 663 transitions. [2018-10-26 19:53:00,062 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 663 transitions. [2018-10-26 19:53:00,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 19:53:00,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:00,111 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-10-26 19:53:00,508 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 19:53:00,917 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-26 19:53:01,336 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 19:53:01,833 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 19:53:02,245 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 19:53:02,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:02,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 541 states and 683 transitions. [2018-10-26 19:53:02,684 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 683 transitions. [2018-10-26 19:53:02,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 19:53:02,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:02,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:02,719 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:53:03,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:03,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 545 states and 687 transitions. [2018-10-26 19:53:03,004 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 687 transitions. [2018-10-26 19:53:03,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-26 19:53:03,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:03,043 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-10-26 19:53:03,412 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 19:53:03,805 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 19:53:05,080 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 19:53:06,397 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 19:53:06,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 550 states and 694 transitions. [2018-10-26 19:53:06,707 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 694 transitions. [2018-10-26 19:53:06,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-26 19:53:06,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:06,751 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-10-26 19:53:07,812 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 19:53:08,279 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 19:53:09,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:09,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 564 states and 708 transitions. [2018-10-26 19:53:09,584 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 708 transitions. [2018-10-26 19:53:09,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-26 19:53:09,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:09,620 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:53:09,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:09,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 565 states and 709 transitions. [2018-10-26 19:53:09,708 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 709 transitions. [2018-10-26 19:53:09,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-26 19:53:09,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:09,806 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-26 19:53:11,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:11,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 567 states and 712 transitions. [2018-10-26 19:53:11,895 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 712 transitions. [2018-10-26 19:53:11,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-26 19:53:11,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:11,996 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:53:12,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:12,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 581 states and 726 transitions. [2018-10-26 19:53:12,880 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 726 transitions. [2018-10-26 19:53:12,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-26 19:53:12,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:12,924 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-26 19:53:13,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:13,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 600 states and 749 transitions. [2018-10-26 19:53:13,609 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 749 transitions. [2018-10-26 19:53:13,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-26 19:53:13,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:13,899 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:53:15,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:15,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 631 states and 788 transitions. [2018-10-26 19:53:15,363 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 788 transitions. [2018-10-26 19:53:15,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 19:53:15,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:15,520 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:53:16,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:16,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 644 states and 804 transitions. [2018-10-26 19:53:16,027 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 804 transitions. [2018-10-26 19:53:16,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 19:53:16,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:16,119 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:53:16,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:16,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 662 states and 824 transitions. [2018-10-26 19:53:16,646 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 824 transitions. [2018-10-26 19:53:16,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 19:53:16,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:16,803 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:53:16,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:16,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 666 states and 828 transitions. [2018-10-26 19:53:16,943 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 828 transitions. [2018-10-26 19:53:16,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 19:53:16,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:17,788 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 19:53:18,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:18,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 676 states and 842 transitions. [2018-10-26 19:53:18,846 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 842 transitions. [2018-10-26 19:53:18,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 19:53:18,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:18,891 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:53:21,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:21,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 689 states and 856 transitions. [2018-10-26 19:53:21,865 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 856 transitions. [2018-10-26 19:53:21,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-26 19:53:21,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:21,912 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:53:22,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:22,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 707 states and 877 transitions. [2018-10-26 19:53:22,381 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 877 transitions. [2018-10-26 19:53:22,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-26 19:53:22,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:22,458 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:53:22,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:22,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 710 states and 880 transitions. [2018-10-26 19:53:22,578 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 880 transitions. [2018-10-26 19:53:22,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 19:53:22,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 19:53:23,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:23,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 726 states and 896 transitions. [2018-10-26 19:53:23,439 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 896 transitions. [2018-10-26 19:53:23,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-26 19:53:23,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:23,485 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-10-26 19:53:23,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:23,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 729 states and 898 transitions. [2018-10-26 19:53:23,635 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 898 transitions. [2018-10-26 19:53:23,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-26 19:53:23,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:23,682 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-10-26 19:53:23,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:23,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 730 states and 899 transitions. [2018-10-26 19:53:23,775 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 899 transitions. [2018-10-26 19:53:23,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-26 19:53:23,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:24,752 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-26 19:53:25,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:25,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 732 states and 902 transitions. [2018-10-26 19:53:25,088 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 902 transitions. [2018-10-26 19:53:25,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-26 19:53:25,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:25,132 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-26 19:53:25,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:25,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 736 states and 905 transitions. [2018-10-26 19:53:25,347 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 905 transitions. [2018-10-26 19:53:25,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 19:53:25,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:25,447 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-10-26 19:53:26,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:26,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 737 states and 908 transitions. [2018-10-26 19:53:26,448 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 908 transitions. [2018-10-26 19:53:26,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 19:53:26,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:26,582 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-10-26 19:53:27,145 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-26 19:53:27,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:27,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 738 states and 909 transitions. [2018-10-26 19:53:27,844 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 909 transitions. [2018-10-26 19:53:27,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 19:53:27,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:28,246 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-26 19:53:28,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:28,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 752 states and 925 transitions. [2018-10-26 19:53:28,815 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 925 transitions. [2018-10-26 19:53:28,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-26 19:53:28,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:29,171 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:53:29,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:29,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 782 states and 956 transitions. [2018-10-26 19:53:29,478 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 956 transitions. [2018-10-26 19:53:29,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 19:53:29,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:29,529 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:53:29,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:29,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 786 states and 960 transitions. [2018-10-26 19:53:29,683 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 960 transitions. [2018-10-26 19:53:29,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 19:53:29,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:30,076 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 120 proven. 3 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-26 19:53:31,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:31,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 818 states and 1001 transitions. [2018-10-26 19:53:31,117 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1001 transitions. [2018-10-26 19:53:31,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 19:53:31,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:31,184 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 120 proven. 3 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-26 19:53:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:31,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 820 states and 1005 transitions. [2018-10-26 19:53:31,804 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1005 transitions. [2018-10-26 19:53:31,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-26 19:53:31,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:31,903 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:53:32,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:32,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 842 states and 1026 transitions. [2018-10-26 19:53:32,215 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1026 transitions. [2018-10-26 19:53:32,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-26 19:53:32,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:32,272 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:53:32,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:32,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 844 states and 1028 transitions. [2018-10-26 19:53:32,361 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1028 transitions. [2018-10-26 19:53:32,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-26 19:53:32,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:32,441 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-10-26 19:53:32,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:32,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 848 states and 1032 transitions. [2018-10-26 19:53:32,784 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1032 transitions. [2018-10-26 19:53:32,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-26 19:53:32,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:33,242 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-10-26 19:53:33,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:33,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 850 states and 1034 transitions. [2018-10-26 19:53:33,305 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1034 transitions. [2018-10-26 19:53:33,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-26 19:53:33,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:33,361 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:53:34,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:34,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 903 states and 1095 transitions. [2018-10-26 19:53:34,345 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1095 transitions. [2018-10-26 19:53:34,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-10-26 19:53:34,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:34,406 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:53:34,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:34,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 932 states and 1124 transitions. [2018-10-26 19:53:34,764 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1124 transitions. [2018-10-26 19:53:34,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-10-26 19:53:34,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:35,692 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 19:53:37,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:37,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 971 states and 1170 transitions. [2018-10-26 19:53:37,598 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1170 transitions. [2018-10-26 19:53:37,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-26 19:53:37,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-10-26 19:53:37,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:37,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 981 states and 1180 transitions. [2018-10-26 19:53:37,989 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1180 transitions. [2018-10-26 19:53:37,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-10-26 19:53:37,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:38,058 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 19:53:38,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:38,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1000 states and 1204 transitions. [2018-10-26 19:53:38,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1204 transitions. [2018-10-26 19:53:38,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 19:53:38,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:38,969 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 19:53:39,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:39,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1001 states and 1205 transitions. [2018-10-26 19:53:39,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1205 transitions. [2018-10-26 19:53:39,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 19:53:39,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:39,098 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:53:39,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:39,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1018 states and 1223 transitions. [2018-10-26 19:53:39,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1223 transitions. [2018-10-26 19:53:39,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-26 19:53:39,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:40,055 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 132 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-26 19:53:41,137 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 19:53:42,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:42,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1098 states and 1315 transitions. [2018-10-26 19:53:42,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1315 transitions. [2018-10-26 19:53:42,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-26 19:53:42,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:42,890 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 19:53:45,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:45,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1143 states and 1363 transitions. [2018-10-26 19:53:45,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1363 transitions. [2018-10-26 19:53:45,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-26 19:53:45,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:45,383 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-26 19:53:45,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:45,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1145 states and 1365 transitions. [2018-10-26 19:53:45,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1365 transitions. [2018-10-26 19:53:45,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 19:53:45,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:45,815 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-26 19:53:47,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:47,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1194 states and 1416 transitions. [2018-10-26 19:53:47,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1416 transitions. [2018-10-26 19:53:47,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 19:53:47,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:48,135 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-26 19:53:48,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:48,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1198 states and 1420 transitions. [2018-10-26 19:53:48,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1420 transitions. [2018-10-26 19:53:48,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 19:53:48,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:49,291 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-26 19:53:50,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:50,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1270 states and 1497 transitions. [2018-10-26 19:53:50,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1497 transitions. [2018-10-26 19:53:50,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 19:53:50,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 19:53:50,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:50,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1272 states and 1499 transitions. [2018-10-26 19:53:50,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1499 transitions. [2018-10-26 19:53:50,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-10-26 19:53:50,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:51,054 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 19:53:52,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:52,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1326 states and 1553 transitions. [2018-10-26 19:53:52,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1553 transitions. [2018-10-26 19:53:52,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-26 19:53:52,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:52,338 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-26 19:53:53,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:53,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1403 states and 1637 transitions. [2018-10-26 19:53:53,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1637 transitions. [2018-10-26 19:53:53,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-26 19:53:53,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:53,749 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-26 19:53:53,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:53,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1407 states and 1641 transitions. [2018-10-26 19:53:53,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 1641 transitions. [2018-10-26 19:53:53,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-10-26 19:53:53,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:53,837 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-26 19:53:54,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:54,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1427 states and 1664 transitions. [2018-10-26 19:53:54,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 1664 transitions. [2018-10-26 19:53:54,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-10-26 19:53:54,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:55,101 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 203 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-10-26 19:53:56,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:56,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1460 states and 1704 transitions. [2018-10-26 19:53:56,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 1704 transitions. [2018-10-26 19:53:56,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-10-26 19:53:56,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:56,189 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 203 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-10-26 19:53:56,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:56,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1461 states and 1705 transitions. [2018-10-26 19:53:56,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1705 transitions. [2018-10-26 19:53:56,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-10-26 19:53:56,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:56,497 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 19:53:56,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:56,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1463 states and 1708 transitions. [2018-10-26 19:53:56,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1708 transitions. [2018-10-26 19:53:56,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-10-26 19:53:56,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:56,836 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-26 19:53:56,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:53:56,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1467 states and 1713 transitions. [2018-10-26 19:53:56,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1713 transitions. [2018-10-26 19:53:56,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-10-26 19:53:56,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:53:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:53:58,129 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-10-26 19:54:00,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:00,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1517 states and 1766 transitions. [2018-10-26 19:54:00,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1766 transitions. [2018-10-26 19:54:00,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-10-26 19:54:00,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:00,535 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 231 proven. 11 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-26 19:54:01,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:01,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1533 states and 1785 transitions. [2018-10-26 19:54:01,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1785 transitions. [2018-10-26 19:54:01,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-10-26 19:54:01,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:01,842 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-26 19:54:02,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:02,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1541 states and 1793 transitions. [2018-10-26 19:54:02,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 1793 transitions. [2018-10-26 19:54:02,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-26 19:54:02,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:02,475 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 19:54:02,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:02,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1542 states and 1793 transitions. [2018-10-26 19:54:02,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1793 transitions. [2018-10-26 19:54:02,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-26 19:54:02,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:02,613 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-10-26 19:54:02,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:02,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1548 states and 1798 transitions. [2018-10-26 19:54:02,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1798 transitions. [2018-10-26 19:54:02,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-26 19:54:02,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:03,026 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-10-26 19:54:04,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:04,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1563 states and 1816 transitions. [2018-10-26 19:54:04,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 1816 transitions. [2018-10-26 19:54:04,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-10-26 19:54:04,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:04,676 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 19:54:05,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:05,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1566 states and 1820 transitions. [2018-10-26 19:54:05,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 1820 transitions. [2018-10-26 19:54:05,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-10-26 19:54:05,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:05,522 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-10-26 19:54:06,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:06,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1571 states and 1826 transitions. [2018-10-26 19:54:06,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 1826 transitions. [2018-10-26 19:54:06,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-26 19:54:06,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:07,284 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 258 proven. 28 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:54:10,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:10,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1890 states to 1624 states and 1890 transitions. [2018-10-26 19:54:10,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 1890 transitions. [2018-10-26 19:54:10,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-26 19:54:10,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:10,700 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 258 proven. 28 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:54:11,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:11,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1626 states and 1892 transitions. [2018-10-26 19:54:11,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 1892 transitions. [2018-10-26 19:54:11,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-26 19:54:11,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:11,247 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2018-10-26 19:54:11,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:11,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1627 states and 1892 transitions. [2018-10-26 19:54:11,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 1892 transitions. [2018-10-26 19:54:11,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:54:11,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:11,737 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 217 proven. 5 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-10-26 19:54:12,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1900 states to 1632 states and 1900 transitions. [2018-10-26 19:54:12,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 1900 transitions. [2018-10-26 19:54:12,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:54:12,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:12,268 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 217 proven. 5 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-10-26 19:54:12,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:12,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1633 states and 1901 transitions. [2018-10-26 19:54:12,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 1901 transitions. [2018-10-26 19:54:12,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:54:12,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:13,184 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:54:15,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:15,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1649 states and 1923 transitions. [2018-10-26 19:54:15,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 1923 transitions. [2018-10-26 19:54:15,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:54:15,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:15,823 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:54:16,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:16,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1653 states and 1926 transitions. [2018-10-26 19:54:16,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 1926 transitions. [2018-10-26 19:54:16,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-26 19:54:16,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:18,218 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-26 19:54:21,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:21,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1688 states and 1966 transitions. [2018-10-26 19:54:21,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 1966 transitions. [2018-10-26 19:54:21,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-26 19:54:21,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:21,333 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-26 19:54:21,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:21,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1691 states and 1969 transitions. [2018-10-26 19:54:21,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 1969 transitions. [2018-10-26 19:54:21,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-26 19:54:21,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-26 19:54:22,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:22,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1709 states and 1986 transitions. [2018-10-26 19:54:22,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 1986 transitions. [2018-10-26 19:54:22,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-10-26 19:54:22,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:22,756 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 195 proven. 1 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 19:54:23,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:23,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 1733 states and 2015 transitions. [2018-10-26 19:54:23,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2015 transitions. [2018-10-26 19:54:23,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-10-26 19:54:23,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:23,856 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 272 proven. 42 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:54:25,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:25,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 1744 states and 2030 transitions. [2018-10-26 19:54:25,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2030 transitions. [2018-10-26 19:54:25,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-10-26 19:54:25,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:25,257 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 168 proven. 1 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-10-26 19:54:25,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:25,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 1745 states and 2030 transitions. [2018-10-26 19:54:25,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2030 transitions. [2018-10-26 19:54:25,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-10-26 19:54:25,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:25,668 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 217 proven. 17 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 19:54:26,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:26,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 1779 states and 2071 transitions. [2018-10-26 19:54:26,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2071 transitions. [2018-10-26 19:54:26,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-10-26 19:54:26,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:27,092 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 217 proven. 17 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 19:54:27,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:27,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 1788 states and 2079 transitions. [2018-10-26 19:54:27,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 2079 transitions. [2018-10-26 19:54:27,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-10-26 19:54:27,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:27,808 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-10-26 19:54:27,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:27,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 1800 states and 2091 transitions. [2018-10-26 19:54:27,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2091 transitions. [2018-10-26 19:54:27,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-10-26 19:54:27,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:27,965 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-10-26 19:54:28,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:28,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 1805 states and 2095 transitions. [2018-10-26 19:54:28,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2095 transitions. [2018-10-26 19:54:28,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-26 19:54:28,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:28,456 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 19:54:28,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:28,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 1807 states and 2096 transitions. [2018-10-26 19:54:28,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2096 transitions. [2018-10-26 19:54:28,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-26 19:54:28,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:28,814 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 19:54:29,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:29,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 1827 states and 2119 transitions. [2018-10-26 19:54:29,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2119 transitions. [2018-10-26 19:54:29,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-10-26 19:54:29,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:29,229 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-10-26 19:54:29,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:29,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 1830 states and 2121 transitions. [2018-10-26 19:54:29,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2121 transitions. [2018-10-26 19:54:29,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-26 19:54:29,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:29,347 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-10-26 19:54:31,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:31,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 1850 states and 2146 transitions. [2018-10-26 19:54:31,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2146 transitions. [2018-10-26 19:54:31,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-26 19:54:31,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:31,632 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-10-26 19:54:32,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:32,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 1862 states and 2157 transitions. [2018-10-26 19:54:32,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2157 transitions. [2018-10-26 19:54:32,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-26 19:54:32,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:32,494 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-10-26 19:54:36,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:36,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 1897 states and 2194 transitions. [2018-10-26 19:54:36,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2194 transitions. [2018-10-26 19:54:36,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-26 19:54:36,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:36,134 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-10-26 19:54:36,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:36,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1915 states and 2212 transitions. [2018-10-26 19:54:36,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2212 transitions. [2018-10-26 19:54:36,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-26 19:54:36,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:36,687 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-10-26 19:54:37,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:37,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 1931 states and 2229 transitions. [2018-10-26 19:54:37,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2229 transitions. [2018-10-26 19:54:37,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-26 19:54:37,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:38,395 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:54:42,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:42,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 1970 states and 2281 transitions. [2018-10-26 19:54:42,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1970 states and 2281 transitions. [2018-10-26 19:54:42,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-26 19:54:42,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:43,044 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:54:43,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:43,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 1977 states and 2287 transitions. [2018-10-26 19:54:43,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2287 transitions. [2018-10-26 19:54:43,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-26 19:54:43,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:44,904 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:54:45,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:45,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 1981 states and 2290 transitions. [2018-10-26 19:54:45,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1981 states and 2290 transitions. [2018-10-26 19:54:45,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-10-26 19:54:45,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:46,186 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 379 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 19:54:48,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:48,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2339 states to 2024 states and 2339 transitions. [2018-10-26 19:54:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2339 transitions. [2018-10-26 19:54:48,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-10-26 19:54:48,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:48,546 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 379 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 19:54:48,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:48,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2027 states and 2342 transitions. [2018-10-26 19:54:48,975 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2342 transitions. [2018-10-26 19:54:48,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-26 19:54:48,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:49,046 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-10-26 19:54:49,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:49,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 2041 states and 2355 transitions. [2018-10-26 19:54:49,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2041 states and 2355 transitions. [2018-10-26 19:54:49,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-10-26 19:54:49,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:49,177 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-26 19:54:50,161 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 19:54:52,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:52,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2395 states to 2076 states and 2395 transitions. [2018-10-26 19:54:52,724 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2395 transitions. [2018-10-26 19:54:52,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-10-26 19:54:52,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:52,775 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-26 19:54:53,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:53,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2092 states and 2410 transitions. [2018-10-26 19:54:53,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2410 transitions. [2018-10-26 19:54:53,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-10-26 19:54:53,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:53,372 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-26 19:54:53,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:53,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 2111 states and 2428 transitions. [2018-10-26 19:54:53,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2111 states and 2428 transitions. [2018-10-26 19:54:53,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-10-26 19:54:53,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:53,868 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-26 19:54:54,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:54,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 2129 states and 2445 transitions. [2018-10-26 19:54:54,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 2445 transitions. [2018-10-26 19:54:54,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-10-26 19:54:54,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:55,061 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 309 proven. 5 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-10-26 19:54:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:55,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2452 states to 2135 states and 2452 transitions. [2018-10-26 19:54:55,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 2452 transitions. [2018-10-26 19:54:55,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-26 19:54:55,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:55,622 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 19:54:57,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:57,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2187 states and 2507 transitions. [2018-10-26 19:54:57,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 2507 transitions. [2018-10-26 19:54:57,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-10-26 19:54:57,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:57,385 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 386 proven. 5 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-10-26 19:54:58,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:58,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2265 states and 2591 transitions. [2018-10-26 19:54:58,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2265 states and 2591 transitions. [2018-10-26 19:54:58,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-10-26 19:54:58,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:58,860 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 386 proven. 5 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-10-26 19:54:59,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:59,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 2266 states and 2592 transitions. [2018-10-26 19:54:59,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 2592 transitions. [2018-10-26 19:54:59,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-10-26 19:54:59,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:54:59,463 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 386 proven. 5 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-10-26 19:54:59,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:54:59,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 2267 states and 2592 transitions. [2018-10-26 19:54:59,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 2592 transitions. [2018-10-26 19:54:59,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-10-26 19:54:59,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:54:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:00,040 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-10-26 19:55:01,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:01,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2281 states and 2613 transitions. [2018-10-26 19:55:01,299 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 2613 transitions. [2018-10-26 19:55:01,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-10-26 19:55:01,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:01,496 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-10-26 19:55:02,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:02,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2618 states to 2287 states and 2618 transitions. [2018-10-26 19:55:02,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2287 states and 2618 transitions. [2018-10-26 19:55:02,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-10-26 19:55:02,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:02,301 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-10-26 19:55:02,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:02,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2291 states and 2621 transitions. [2018-10-26 19:55:02,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2291 states and 2621 transitions. [2018-10-26 19:55:02,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-26 19:55:02,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:03,015 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 347 proven. 7 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-10-26 19:55:04,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:04,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2304 states and 2644 transitions. [2018-10-26 19:55:04,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 2644 transitions. [2018-10-26 19:55:04,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-26 19:55:04,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:05,262 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 347 proven. 7 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-10-26 19:55:05,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:05,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 2309 states and 2649 transitions. [2018-10-26 19:55:05,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 2649 transitions. [2018-10-26 19:55:05,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-26 19:55:05,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:05,788 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 347 proven. 7 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-10-26 19:55:06,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:06,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2314 states and 2654 transitions. [2018-10-26 19:55:06,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2654 transitions. [2018-10-26 19:55:06,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-26 19:55:06,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:07,252 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 19:55:14,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:14,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2428 states and 2785 transitions. [2018-10-26 19:55:14,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2428 states and 2785 transitions. [2018-10-26 19:55:14,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-26 19:55:14,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:14,540 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 19:55:18,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:18,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 2459 states and 2827 transitions. [2018-10-26 19:55:18,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2459 states and 2827 transitions. [2018-10-26 19:55:18,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-26 19:55:18,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:18,311 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 19:55:19,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:19,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2467 states and 2836 transitions. [2018-10-26 19:55:19,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 2836 transitions. [2018-10-26 19:55:19,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-26 19:55:19,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:19,498 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 19:55:21,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:21,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2486 states and 2861 transitions. [2018-10-26 19:55:21,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 2861 transitions. [2018-10-26 19:55:21,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-26 19:55:21,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:21,854 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 19:55:22,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:22,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2865 states to 2490 states and 2865 transitions. [2018-10-26 19:55:22,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2490 states and 2865 transitions. [2018-10-26 19:55:22,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-26 19:55:22,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:23,160 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 19:55:23,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:23,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2866 states to 2491 states and 2866 transitions. [2018-10-26 19:55:23,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2491 states and 2866 transitions. [2018-10-26 19:55:23,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-26 19:55:23,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:24,152 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 19:55:24,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:24,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2495 states and 2869 transitions. [2018-10-26 19:55:24,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 2869 transitions. [2018-10-26 19:55:24,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-26 19:55:24,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:24,945 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 19:55:25,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:25,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 2498 states and 2872 transitions. [2018-10-26 19:55:25,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 2872 transitions. [2018-10-26 19:55:25,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-26 19:55:25,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:25,884 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 19:55:26,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:26,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2501 states and 2874 transitions. [2018-10-26 19:55:26,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2501 states and 2874 transitions. [2018-10-26 19:55:26,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-26 19:55:26,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:26,641 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 19:55:27,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:27,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2507 states and 2881 transitions. [2018-10-26 19:55:27,694 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 2881 transitions. [2018-10-26 19:55:27,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-26 19:55:27,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:27,856 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 19:55:28,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:28,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2884 states to 2511 states and 2884 transitions. [2018-10-26 19:55:28,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2511 states and 2884 transitions. [2018-10-26 19:55:28,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-10-26 19:55:28,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:28,497 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 311 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-10-26 19:55:28,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:28,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 2514 states and 2886 transitions. [2018-10-26 19:55:28,749 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 2886 transitions. [2018-10-26 19:55:28,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-10-26 19:55:28,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:28,854 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 311 proven. 10 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-10-26 19:55:29,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:29,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 2518 states and 2890 transitions. [2018-10-26 19:55:29,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 2890 transitions. [2018-10-26 19:55:29,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-10-26 19:55:29,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:29,468 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 414 proven. 5 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-26 19:55:29,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:29,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2519 states and 2891 transitions. [2018-10-26 19:55:29,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 2891 transitions. [2018-10-26 19:55:29,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-10-26 19:55:29,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:29,871 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 414 proven. 5 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-26 19:55:30,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:30,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2520 states and 2891 transitions. [2018-10-26 19:55:30,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 2891 transitions. [2018-10-26 19:55:30,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-10-26 19:55:30,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:30,504 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 540 proven. 17 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 19:55:33,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:33,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2540 states and 2917 transitions. [2018-10-26 19:55:33,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 2917 transitions. [2018-10-26 19:55:33,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-10-26 19:55:33,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:33,226 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 540 proven. 17 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 19:55:34,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:34,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2941 states to 2564 states and 2941 transitions. [2018-10-26 19:55:34,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 2941 transitions. [2018-10-26 19:55:34,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-10-26 19:55:34,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:35,270 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 540 proven. 17 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 19:55:36,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:36,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 2570 states and 2947 transitions. [2018-10-26 19:55:36,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2570 states and 2947 transitions. [2018-10-26 19:55:36,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-10-26 19:55:36,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:36,714 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 540 proven. 17 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 19:55:37,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:37,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 2573 states and 2949 transitions. [2018-10-26 19:55:37,490 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 2949 transitions. [2018-10-26 19:55:37,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-10-26 19:55:37,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:37,563 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 447 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-10-26 19:55:41,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:41,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 2621 states and 3000 transitions. [2018-10-26 19:55:41,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2621 states and 3000 transitions. [2018-10-26 19:55:41,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-10-26 19:55:41,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:41,668 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 447 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-10-26 19:55:42,424 WARN L179 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2018-10-26 19:55:43,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:43,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3015 states to 2634 states and 3015 transitions. [2018-10-26 19:55:43,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2634 states and 3015 transitions. [2018-10-26 19:55:43,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-10-26 19:55:43,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:43,869 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 447 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-10-26 19:55:44,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:44,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3018 states to 2638 states and 3018 transitions. [2018-10-26 19:55:44,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2638 states and 3018 transitions. [2018-10-26 19:55:44,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-10-26 19:55:44,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:44,424 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 447 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-10-26 19:55:44,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:44,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 2641 states and 3020 transitions. [2018-10-26 19:55:44,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2641 states and 3020 transitions. [2018-10-26 19:55:44,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-10-26 19:55:44,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:45,424 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 241 proven. 133 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-10-26 19:55:46,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:46,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 2680 states and 3062 transitions. [2018-10-26 19:55:46,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 3062 transitions. [2018-10-26 19:55:46,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-10-26 19:55:46,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:46,521 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2018-10-26 19:55:47,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:47,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3146 states to 2760 states and 3146 transitions. [2018-10-26 19:55:47,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 3146 transitions. [2018-10-26 19:55:47,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2018-10-26 19:55:47,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:47,743 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 507 proven. 7 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-10-26 19:55:50,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:50,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3195 states to 2802 states and 3195 transitions. [2018-10-26 19:55:50,126 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 3195 transitions. [2018-10-26 19:55:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-10-26 19:55:50,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:50,252 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 565 proven. 10 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-26 19:55:50,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:50,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 2821 states and 3214 transitions. [2018-10-26 19:55:50,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 3214 transitions. [2018-10-26 19:55:50,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-10-26 19:55:50,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:50,732 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 565 proven. 10 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-26 19:55:51,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:51,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3219 states to 2826 states and 3219 transitions. [2018-10-26 19:55:51,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 3219 transitions. [2018-10-26 19:55:51,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-10-26 19:55:51,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:51,161 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 565 proven. 10 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-10-26 19:55:51,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:51,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3237 states to 2845 states and 3237 transitions. [2018-10-26 19:55:51,464 INFO L276 IsEmpty]: Start isEmpty. Operand 2845 states and 3237 transitions. [2018-10-26 19:55:51,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-10-26 19:55:51,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:51,704 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2018-10-26 19:55:52,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:55:52,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3318 states to 2924 states and 3318 transitions. [2018-10-26 19:55:52,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2924 states and 3318 transitions. [2018-10-26 19:55:52,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2018-10-26 19:55:52,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:55:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:55:53,659 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 75 proven. 515 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2018-10-26 19:56:00,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:00,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3464 states to 3051 states and 3464 transitions. [2018-10-26 19:56:00,823 INFO L276 IsEmpty]: Start isEmpty. Operand 3051 states and 3464 transitions. [2018-10-26 19:56:00,825 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:56:00,825 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 155 iterations. [2018-10-26 19:56:00,833 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 19:56:01,005 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 18 [2018-10-26 19:56:01,120 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 18 [2018-10-26 19:56:01,487 WARN L179 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 18 [2018-10-26 19:56:01,650 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 18 [2018-10-26 19:56:01,773 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 18 [2018-10-26 19:56:01,944 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 18 [2018-10-26 19:56:02,211 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 18 [2018-10-26 19:56:02,345 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 18 [2018-10-26 19:56:02,994 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 18 [2018-10-26 19:56:03,147 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 18 [2018-10-26 19:56:03,303 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 18 [2018-10-26 19:56:03,532 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 18 [2018-10-26 19:56:03,652 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 18 [2018-10-26 19:56:03,759 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 18 [2018-10-26 19:56:04,182 WARN L179 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 48 [2018-10-26 19:56:04,396 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 18 [2018-10-26 19:56:04,599 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 18 [2018-10-26 19:56:04,814 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 18 [2018-10-26 19:56:05,026 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 18 [2018-10-26 19:56:05,321 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 18 [2018-10-26 19:56:05,657 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 43 [2018-10-26 19:56:05,862 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 18 [2018-10-26 19:56:06,064 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 18 [2018-10-26 19:56:06,193 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 18 [2018-10-26 19:56:06,550 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 18 [2018-10-26 19:56:07,040 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 18 [2018-10-26 19:56:07,170 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 18 [2018-10-26 19:56:07,350 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 18 [2018-10-26 19:56:07,678 WARN L179 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 18 [2018-10-26 19:56:07,820 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 18 [2018-10-26 19:56:08,091 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 18 [2018-10-26 19:56:08,211 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 18 [2018-10-26 19:56:08,497 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 18 [2018-10-26 19:56:08,710 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 18 [2018-10-26 19:56:08,839 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 18 [2018-10-26 19:56:08,994 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 18 [2018-10-26 19:56:09,246 WARN L179 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 43 [2018-10-26 19:56:09,492 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 18 [2018-10-26 19:56:09,492 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:56:09,494 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-10-26 19:56:09,500 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-10-26 19:56:09,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 07:56:09 ImpRootNode [2018-10-26 19:56:09,501 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 19:56:09,502 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:56:09,502 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:56:09,502 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:56:09,502 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:52:46" (3/4) ... [2018-10-26 19:56:09,508 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 19:56:09,526 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2018-10-26 19:56:09,529 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-10-26 19:56:09,530 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-10-26 19:56:09,530 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 19:56:09,635 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6342b54a-60af-44b4-9f5d-1b71872837ad/bin-2019/ukojak/witness.graphml [2018-10-26 19:56:09,635 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:56:09,636 INFO L168 Benchmark]: Toolchain (without parser) took 208661.78 ms. Allocated memory was 1.0 GB in the beginning and 3.6 GB in the end (delta: 2.5 GB). Free memory was 959.1 MB in the beginning and 2.5 GB in the end (delta: -1.6 GB). Peak memory consumption was 981.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:56:09,637 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-10-26 19:56:09,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.66 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 932.3 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-10-26 19:56:09,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 279.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.6 MB). Free memory was 932.3 MB in the beginning and 1.2 GB in the end (delta: -257.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:56:09,638 INFO L168 Benchmark]: Boogie Preprocessor took 86.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:56:09,638 INFO L168 Benchmark]: RCFGBuilder took 4650.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 954.9 MB in the end (delta: 235.1 MB). Peak memory consumption was 235.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:56:09,638 INFO L168 Benchmark]: CodeCheck took 202961.07 ms. Allocated memory was 1.2 GB in the beginning and 3.6 GB in the end (delta: 2.3 GB). Free memory was 954.9 MB in the beginning and 2.5 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2018-10-26 19:56:09,639 INFO L168 Benchmark]: Witness Printer took 133.31 ms. Allocated memory is still 3.6 GB. Free memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 16.7 kB). Peak memory consumption was 16.7 kB. Max. memory is 11.5 GB. [2018-10-26 19:56:09,643 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, 194.2s OverallTime, 155 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2146290668 SDtfs, 253522198 SDslu, 9818412 SDs, 0 SdLazy, -1540761794 SolverSat, 1419095624 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1673.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 229436 GetRequests, 224095 SyntacticMatches, 3981 SemanticMatches, 1360 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1272849 ImplicationChecksByTransitivity, 156.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.8s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 23.6s InterpolantComputationTime, 36874 NumberOfCodeBlocks, 36874 NumberOfCodeBlocksAsserted, 154 NumberOfCheckSat, 36720 ConstructedInterpolants, 0 QuantifiedInterpolants, 34948212 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 154 InterpolantComputations, 101 PerfectInterpolantSequences, 45883/48201 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: 580]: 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: (((!(a17 == 7) || !(1 == a19)) || a11 == 1) || !(a28 == 10)) || a25 == 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((a11 == 1 || !(a17 == 7) || !(1 == a19)) || !(a28 == 10)) || a25 == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 546.66 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 932.3 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 279.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.6 MB). Free memory was 932.3 MB in the beginning and 1.2 GB in the end (delta: -257.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 86.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 4650.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 954.9 MB in the end (delta: 235.1 MB). Peak memory consumption was 235.1 MB. Max. memory is 11.5 GB. * CodeCheck took 202961.07 ms. Allocated memory was 1.2 GB in the beginning and 3.6 GB in the end (delta: 2.3 GB). Free memory was 954.9 MB in the beginning and 2.5 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. * Witness Printer took 133.31 ms. Allocated memory is still 3.6 GB. Free memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 16.7 kB). Peak memory consumption was 16.7 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...