./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_srvr_14_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_71a83e17-dffa-43ba-aebc-4852b189cb79/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_71a83e17-dffa-43ba-aebc-4852b189cb79/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_71a83e17-dffa-43ba-aebc-4852b189cb79/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_71a83e17-dffa-43ba-aebc-4852b189cb79/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_srvr_14_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_71a83e17-dffa-43ba-aebc-4852b189cb79/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_71a83e17-dffa-43ba-aebc-4852b189cb79/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 8b245293effe524631a7c3459bf277cf6c81eafa .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:41:12,337 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:41:12,338 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:41:12,344 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:41:12,344 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:41:12,345 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:41:12,345 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:41:12,346 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:41:12,347 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:41:12,347 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:41:12,347 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:41:12,348 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:41:12,348 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:41:12,348 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:41:12,349 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:41:12,349 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:41:12,350 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:41:12,350 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:41:12,351 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:41:12,352 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:41:12,352 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:41:12,353 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:41:12,354 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:41:12,354 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:41:12,354 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:41:12,355 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:41:12,355 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:41:12,355 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:41:12,356 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:41:12,356 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:41:12,356 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:41:12,357 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:41:12,357 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:41:12,357 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:41:12,357 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:41:12,358 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:41:12,358 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_71a83e17-dffa-43ba-aebc-4852b189cb79/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 17:41:12,365 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:41:12,365 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:41:12,366 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:41:12,366 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 17:41:12,366 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 17:41:12,366 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 17:41:12,366 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:41:12,366 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:41:12,366 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:41:12,366 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:41:12,366 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:41:12,367 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:41:12,367 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:41:12,367 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:41:12,367 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:41:12,367 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:41:12,367 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:41:12,367 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:41:12,367 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 17:41:12,367 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 17:41:12,367 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:41:12,367 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:41:12,367 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 17:41:12,367 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:41:12,368 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:41:12,368 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:41:12,368 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 17:41:12,368 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:41:12,368 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:41:12,368 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_71a83e17-dffa-43ba-aebc-4852b189cb79/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 -> 8b245293effe524631a7c3459bf277cf6c81eafa [2018-12-08 17:41:12,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:41:12,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:41:12,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:41:12,400 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:41:12,400 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:41:12,401 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_71a83e17-dffa-43ba-aebc-4852b189cb79/bin-2019/ukojak/../../sv-benchmarks/c/ssh-simplified/s3_srvr_14_false-unreach-call_false-termination.cil.c [2018-12-08 17:41:12,434 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_71a83e17-dffa-43ba-aebc-4852b189cb79/bin-2019/ukojak/data/f1bea9b73/0c9156ff08c74007bf7cf8193c19669a/FLAG9dd0b4522 [2018-12-08 17:41:12,839 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:41:12,840 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_71a83e17-dffa-43ba-aebc-4852b189cb79/sv-benchmarks/c/ssh-simplified/s3_srvr_14_false-unreach-call_false-termination.cil.c [2018-12-08 17:41:12,845 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_71a83e17-dffa-43ba-aebc-4852b189cb79/bin-2019/ukojak/data/f1bea9b73/0c9156ff08c74007bf7cf8193c19669a/FLAG9dd0b4522 [2018-12-08 17:41:13,261 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_71a83e17-dffa-43ba-aebc-4852b189cb79/bin-2019/ukojak/data/f1bea9b73/0c9156ff08c74007bf7cf8193c19669a [2018-12-08 17:41:13,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:41:13,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:41:13,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:41:13,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:41:13,267 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:41:13,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:41:13" (1/1) ... [2018-12-08 17:41:13,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ccca87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:13, skipping insertion in model container [2018-12-08 17:41:13,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:41:13" (1/1) ... [2018-12-08 17:41:13,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:41:13,292 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:41:13,410 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:41:13,413 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:41:13,446 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:41:13,454 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:41:13,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:13 WrapperNode [2018-12-08 17:41:13,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:41:13,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:41:13,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:41:13,455 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:41:13,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:13" (1/1) ... [2018-12-08 17:41:13,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:13" (1/1) ... [2018-12-08 17:41:13,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:41:13,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:41:13,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:41:13,515 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:41:13,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:13" (1/1) ... [2018-12-08 17:41:13,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:13" (1/1) ... [2018-12-08 17:41:13,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:13" (1/1) ... [2018-12-08 17:41:13,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:13" (1/1) ... [2018-12-08 17:41:13,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:13" (1/1) ... [2018-12-08 17:41:13,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:13" (1/1) ... [2018-12-08 17:41:13,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:13" (1/1) ... [2018-12-08 17:41:13,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:41:13,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:41:13,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:41:13,536 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:41:13,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_71a83e17-dffa-43ba-aebc-4852b189cb79/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 17:41:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:41:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:41:13,628 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-08 17:41:13,629 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-08 17:41:14,062 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:41:14,063 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 17:41:14,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:41:14 BoogieIcfgContainer [2018-12-08 17:41:14,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:41:14,064 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 17:41:14,064 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 17:41:14,072 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 17:41:14,073 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:41:14" (1/1) ... [2018-12-08 17:41:14,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:41:14,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:41:14,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 113 states and 197 transitions. [2018-12-08 17:41:14,108 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 197 transitions. [2018-12-08 17:41:14,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 17:41:14,110 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:41:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:14,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:14,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:41:14,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 115 states and 197 transitions. [2018-12-08 17:41:14,233 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 197 transitions. [2018-12-08 17:41:14,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 17:41:14,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:41:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:14,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:14,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:41:14,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 118 states and 200 transitions. [2018-12-08 17:41:14,315 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 200 transitions. [2018-12-08 17:41:14,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 17:41:14,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:41:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:14,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:14,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:41:14,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 122 states and 204 transitions. [2018-12-08 17:41:14,417 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 204 transitions. [2018-12-08 17:41:14,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 17:41:14,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:41:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:14,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:14,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:41:14,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 129 states and 211 transitions. [2018-12-08 17:41:14,540 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 211 transitions. [2018-12-08 17:41:14,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 17:41:14,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:41:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:14,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:14,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:41:14,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 138 states and 220 transitions. [2018-12-08 17:41:14,718 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 220 transitions. [2018-12-08 17:41:14,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 17:41:14,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:41:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:14,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:14,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:41:14,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 143 states and 225 transitions. [2018-12-08 17:41:14,900 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 225 transitions. [2018-12-08 17:41:14,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 17:41:14,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:41:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:14,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:15,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:41:15,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 151 states and 233 transitions. [2018-12-08 17:41:15,167 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 233 transitions. [2018-12-08 17:41:15,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 17:41:15,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:41:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:15,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:15,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:41:15,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 157 states and 239 transitions. [2018-12-08 17:41:15,382 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 239 transitions. [2018-12-08 17:41:15,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 17:41:15,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:41:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:15,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:16,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:41:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 175 states and 286 transitions. [2018-12-08 17:41:16,218 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 286 transitions. [2018-12-08 17:41:16,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 17:41:16,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:41:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:16,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:16,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:41:16,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 186 states and 298 transitions. [2018-12-08 17:41:16,838 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 298 transitions. [2018-12-08 17:41:16,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 17:41:16,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:41:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:16,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:17,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:41:17,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 198 states and 311 transitions. [2018-12-08 17:41:17,609 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 311 transitions. [2018-12-08 17:41:17,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 17:41:17,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:41:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:17,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:18,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:41:18,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 201 states and 314 transitions. [2018-12-08 17:41:18,355 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 314 transitions. [2018-12-08 17:41:18,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 17:41:18,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:41:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:18,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:20,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:41:20,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 215 states and 329 transitions. [2018-12-08 17:41:20,726 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 329 transitions. [2018-12-08 17:41:20,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 17:41:20,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:41:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:20,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:22,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:41:22,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 230 states and 345 transitions. [2018-12-08 17:41:22,649 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 345 transitions. [2018-12-08 17:41:22,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 17:41:22,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:41:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:22,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:25,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:41:25,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 246 states and 362 transitions. [2018-12-08 17:41:25,479 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 362 transitions. [2018-12-08 17:41:25,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 17:41:25,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:41:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:25,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:27,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:41:27,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 265 states and 382 transitions. [2018-12-08 17:41:27,564 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 382 transitions. [2018-12-08 17:41:27,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 17:41:27,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:41:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:27,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:30,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:41:30,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 285 states and 403 transitions. [2018-12-08 17:41:30,913 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 403 transitions. [2018-12-08 17:41:30,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-08 17:41:30,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:41:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:30,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:32,938 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-12-08 17:41:37,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:41:37,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 298 states and 440 transitions. [2018-12-08 17:41:37,211 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 440 transitions. [2018-12-08 17:41:37,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-08 17:41:37,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:41:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:37,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:42,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:41:42,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 315 states and 459 transitions. [2018-12-08 17:41:42,488 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 459 transitions. [2018-12-08 17:41:42,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 17:41:42,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:41:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:42,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:42,900 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-12-08 17:41:43,464 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-12-08 17:41:44,313 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2018-12-08 17:41:45,163 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2018-12-08 17:41:45,764 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-12-08 17:41:46,012 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-12-08 17:41:46,245 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-12-08 17:41:51,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:41:51,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 319 states and 482 transitions. [2018-12-08 17:41:51,482 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 482 transitions. [2018-12-08 17:41:51,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 17:41:51,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:41:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:51,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:52,422 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2018-12-08 17:41:53,052 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2018-12-08 17:41:53,417 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 13 [2018-12-08 17:42:01,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:42:01,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 337 states and 502 transitions. [2018-12-08 17:42:01,886 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 502 transitions. [2018-12-08 17:42:01,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 17:42:01,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:42:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:42:01,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:42:02,841 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-12-08 17:42:04,244 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2018-12-08 17:42:08,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:42:08,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 358 states and 525 transitions. [2018-12-08 17:42:08,538 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 525 transitions. [2018-12-08 17:42:08,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 17:42:08,538 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:42:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:42:08,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:42:16,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:42:16,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 380 states and 549 transitions. [2018-12-08 17:42:16,314 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 549 transitions. [2018-12-08 17:42:16,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 17:42:16,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:42:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:42:16,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:42:18,311 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2018-12-08 17:42:18,625 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2018-12-08 17:42:19,898 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-12-08 17:42:23,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:42:23,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 403 states and 574 transitions. [2018-12-08 17:42:23,196 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 574 transitions. [2018-12-08 17:42:23,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 17:42:23,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:42:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:42:23,205 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 17:42:23,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:42:23,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 408 states and 583 transitions. [2018-12-08 17:42:23,234 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 583 transitions. [2018-12-08 17:42:23,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 17:42:23,234 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:42:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:42:23,315 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:42:24,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:42:24,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 414 states and 604 transitions. [2018-12-08 17:42:24,083 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 604 transitions. [2018-12-08 17:42:24,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-08 17:42:24,084 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:42:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:42:24,096 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:42:24,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:42:24,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 415 states and 605 transitions. [2018-12-08 17:42:24,105 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 605 transitions. [2018-12-08 17:42:24,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-08 17:42:24,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:42:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:42:24,198 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:42:24,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:42:24,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 421 states and 623 transitions. [2018-12-08 17:42:24,843 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 623 transitions. [2018-12-08 17:42:24,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-08 17:42:24,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:42:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:42:24,853 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:42:24,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:42:24,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 422 states and 624 transitions. [2018-12-08 17:42:24,863 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 624 transitions. [2018-12-08 17:42:24,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-08 17:42:24,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:42:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:42:24,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:42:26,839 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-12-08 17:42:27,176 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2018-12-08 17:42:32,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:42:32,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 446 states and 650 transitions. [2018-12-08 17:42:32,522 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 650 transitions. [2018-12-08 17:42:32,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 17:42:32,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:42:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:42:32,534 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:42:32,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:42:32,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 447 states and 651 transitions. [2018-12-08 17:42:32,556 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 651 transitions. [2018-12-08 17:42:32,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 17:42:32,557 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:42:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:42:32,567 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:42:32,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:42:32,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 448 states and 652 transitions. [2018-12-08 17:42:32,575 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 652 transitions. [2018-12-08 17:42:32,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 17:42:32,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:42:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:42:32,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:42:34,046 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-12-08 17:42:34,935 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-12-08 17:42:36,193 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-12-08 17:42:37,153 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-12-08 17:42:44,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:42:44,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 474 states and 680 transitions. [2018-12-08 17:42:44,426 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 680 transitions. [2018-12-08 17:42:44,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 17:42:44,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:42:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:42:44,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:42:45,020 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2018-12-08 17:42:45,947 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 9 [2018-12-08 17:42:46,904 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-12-08 17:42:47,446 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 13 [2018-12-08 17:42:55,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:42:55,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 504 states and 712 transitions. [2018-12-08 17:42:55,008 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 712 transitions. [2018-12-08 17:42:55,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 17:42:55,008 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:42:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:42:55,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:42:56,124 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-12-08 17:42:57,097 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-12-08 17:42:57,629 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 13 [2018-12-08 17:43:07,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:43:07,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 529 states and 739 transitions. [2018-12-08 17:43:07,343 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 739 transitions. [2018-12-08 17:43:07,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 17:43:07,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:43:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:43:07,360 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:43:07,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:43:07,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 530 states and 739 transitions. [2018-12-08 17:43:07,379 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 739 transitions. [2018-12-08 17:43:07,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 17:43:07,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:43:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:43:07,510 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:43:08,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:43:08,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 547 states and 803 transitions. [2018-12-08 17:43:08,310 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 803 transitions. [2018-12-08 17:43:08,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 17:43:08,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:43:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:43:08,320 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:43:08,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:43:08,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 549 states and 805 transitions. [2018-12-08 17:43:08,367 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 805 transitions. [2018-12-08 17:43:08,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 17:43:08,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:43:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:43:08,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:43:12,408 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2018-12-08 17:43:15,893 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2018-12-08 17:43:29,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:43:29,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 576 states and 834 transitions. [2018-12-08 17:43:29,269 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 834 transitions. [2018-12-08 17:43:29,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 17:43:29,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:43:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:43:29,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:43:34,255 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-12-08 17:43:36,247 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-12-08 17:43:37,560 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-12-08 17:43:37,949 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2018-12-08 17:43:49,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:43:49,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 607 states and 867 transitions. [2018-12-08 17:43:49,393 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 867 transitions. [2018-12-08 17:43:49,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 17:43:49,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:43:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:43:49,418 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:43:53,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:43:53,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 607 states and 863 transitions. [2018-12-08 17:43:53,241 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 863 transitions. [2018-12-08 17:43:53,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 17:43:53,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:43:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:43:53,263 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:43:53,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:43:53,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 608 states and 863 transitions. [2018-12-08 17:43:53,307 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 863 transitions. [2018-12-08 17:43:53,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 17:43:53,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:43:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:43:53,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:43:54,060 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 9 [2018-12-08 17:44:09,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:44:09,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 636 states and 893 transitions. [2018-12-08 17:44:09,217 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 893 transitions. [2018-12-08 17:44:09,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 17:44:09,218 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:44:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:44:09,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:44:10,599 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-12-08 17:44:11,541 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 13 [2018-12-08 17:44:14,850 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2018-12-08 17:44:16,941 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-12-08 17:44:18,154 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-12-08 17:44:33,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:44:33,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 665 states and 924 transitions. [2018-12-08 17:44:33,065 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 924 transitions. [2018-12-08 17:44:33,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 17:44:33,066 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:44:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:44:33,215 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:44:39,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:44:39,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 686 states and 1003 transitions. [2018-12-08 17:44:39,992 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1003 transitions. [2018-12-08 17:44:39,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 17:44:39,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:44:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:44:39,999 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:44:40,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:44:40,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 687 states and 1004 transitions. [2018-12-08 17:44:40,007 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1004 transitions. [2018-12-08 17:44:40,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 17:44:40,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:44:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:44:40,014 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:44:40,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:44:40,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 691 states and 1008 transitions. [2018-12-08 17:44:40,246 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1008 transitions. [2018-12-08 17:44:40,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 17:44:40,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:44:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:44:40,256 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:44:45,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:44:45,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 709 states and 1053 transitions. [2018-12-08 17:44:45,025 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1053 transitions. [2018-12-08 17:44:45,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 17:44:45,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:44:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:44:45,357 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 17:44:46,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 17:44:46,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 712 states and 1083 transitions. [2018-12-08 17:44:46,080 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1083 transitions. [2018-12-08 17:44:46,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 17:44:46,082 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 17:44:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:44:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:44:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:44:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:44:46,195 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 50 iterations. [2018-12-08 17:44:46,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 05:44:46 ImpRootNode [2018-12-08 17:44:46,238 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 17:44:46,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:44:46,238 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:44:46,238 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:44:46,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:41:14" (3/4) ... [2018-12-08 17:44:46,241 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 17:44:46,314 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_71a83e17-dffa-43ba-aebc-4852b189cb79/bin-2019/ukojak/witness.graphml [2018-12-08 17:44:46,314 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:44:46,315 INFO L168 Benchmark]: Toolchain (without parser) took 213051.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.1 MB). Free memory was 956.0 MB in the beginning and 838.8 MB in the end (delta: 117.2 MB). Peak memory consumption was 313.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:44:46,315 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:44:46,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 190.09 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 939.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-08 17:44:46,316 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-08 17:44:46,316 INFO L168 Benchmark]: Boogie Preprocessor took 20.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:44:46,316 INFO L168 Benchmark]: RCFGBuilder took 527.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 983.2 MB in the end (delta: 103.0 MB). Peak memory consumption was 103.0 MB. Max. memory is 11.5 GB. [2018-12-08 17:44:46,316 INFO L168 Benchmark]: CodeCheck took 212174.37 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 104.9 MB). Free memory was 983.2 MB in the beginning and 846.0 MB in the end (delta: 137.2 MB). Peak memory consumption was 242.1 MB. Max. memory is 11.5 GB. [2018-12-08 17:44:46,317 INFO L168 Benchmark]: Witness Printer took 75.99 ms. Allocated memory is still 1.2 GB. Free memory was 846.0 MB in the beginning and 838.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:44:46,318 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, 152 locations, 1 error locations. UNSAFE Result, 212.1s OverallTime, 50 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -577496280 SDtfs, 2018361430 SDslu, 984650140 SDs, 0 SdLazy, 1604812600 SolverSat, -799711722 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 58.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15353 GetRequests, 13825 SyntacticMatches, 272 SemanticMatches, 1256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1049206 ImplicationChecksByTransitivity, 207.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1608 NumberOfCodeBlocks, 1608 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 1514 ConstructedInterpolants, 0 QuantifiedInterpolants, 127414 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 49 PerfectInterpolantSequences, 188/188 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 - CounterExampleResult [Line: 641]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L646] int s ; [L647] int tmp ; [L651] s = 8464 [L12] int s__info_callback = __VERIFIER_nondet_int() ; [L13] int s__in_handshake = __VERIFIER_nondet_int() ; [L14] int s__state ; [L15] int s__new_session ; [L16] int s__server ; [L17] int s__version = __VERIFIER_nondet_int() ; [L18] int s__type ; [L19] int s__init_num ; [L20] int s__hit = __VERIFIER_nondet_int() ; [L21] int s__rwstate ; [L22] int s__init_buf___0 ; [L23] int s__debug = __VERIFIER_nondet_int() ; [L24] int s__shutdown ; [L25] int s__cert = __VERIFIER_nondet_int() ; [L26] int s__options = __VERIFIER_nondet_int() ; [L27] int s__verify_mode = __VERIFIER_nondet_int() ; [L28] int s__session__peer = __VERIFIER_nondet_int() ; [L29] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L30] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L33] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L34] int s__s3__tmp__cert_request ; [L35] int s__s3__tmp__reuse_message ; [L36] int s__s3__tmp__use_rsa_tmp ; [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L41] int s__session__cipher ; [L42] int buf ; [L43] unsigned long l ; [L44] unsigned long Time ; [L45] unsigned long tmp ; [L46] int cb ; [L47] long num1 = __VERIFIER_nondet_long() ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int got_new_session ; [L53] int tmp___1 = __VERIFIER_nondet_int() ; [L54] int tmp___2 = __VERIFIER_nondet_int() ; [L55] int tmp___3 = __VERIFIER_nondet_int() ; [L56] int tmp___4 = __VERIFIER_nondet_int() ; [L57] int tmp___5 = __VERIFIER_nondet_int() ; [L58] int tmp___6 = __VERIFIER_nondet_int() ; [L59] int tmp___7 ; [L60] long tmp___8 = __VERIFIER_nondet_long() ; [L61] int tmp___9 = __VERIFIER_nondet_int() ; [L62] int tmp___10 = __VERIFIER_nondet_int() ; [L63] int blastFlag ; [L64] int __cil_tmp55 ; [L65] unsigned long __cil_tmp56 ; [L66] unsigned long __cil_tmp57 ; [L67] unsigned long __cil_tmp58 ; [L68] unsigned long __cil_tmp59 ; [L69] int __cil_tmp60 ; [L70] unsigned long __cil_tmp61 ; [L73] s__s3__tmp__reuse_message = 0 [L74] s__state = initial_state [L75] blastFlag = 0 [L76] tmp = __VERIFIER_nondet_int() [L77] Time = tmp [L78] cb = 0 [L79] ret = -1 [L80] skip = 0 [L81] got_new_session = 0 [L82] COND FALSE !(s__info_callback != 0) [L85] COND FALSE !(s__ctx__info_callback != 0) [L89] s__in_handshake ++ [L90] COND TRUE tmp___1 + 12288 [L91] COND TRUE tmp___2 + 16384 [L95] COND FALSE !(s__cert == 0) [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 8192) [L111] COND FALSE !(s__state == 24576) [L114] COND FALSE !(s__state == 8195) [L117] COND FALSE !(s__state == 8480) [L120] COND FALSE !(s__state == 8481) [L123] COND FALSE !(s__state == 8482) [L126] COND TRUE s__state == 8464 [L272] s__shutdown = 0 [L273] ret = __VERIFIER_nondet_int() [L274] COND TRUE blastFlag == 0 [L275] blastFlag = 1 [L277] COND FALSE !(ret <= 0) [L280] got_new_session = 1 [L281] s__state = 8496 [L282] s__init_num = 0 [L603] COND TRUE ! s__s3__tmp__reuse_message [L604] COND TRUE ! skip [L605] COND TRUE tmp___1 != -12288 [L606] COND TRUE s__state != 8656 [L607] COND TRUE tmp___2 != -16384 [L608] COND FALSE !(state == 8496) [L615] COND FALSE !(\read(s__debug)) [L621] COND FALSE !(cb != 0) [L630] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 8192) [L111] COND FALSE !(s__state == 24576) [L114] COND FALSE !(s__state == 8195) [L117] COND FALSE !(s__state == 8480) [L120] COND FALSE !(s__state == 8481) [L123] COND FALSE !(s__state == 8482) [L126] COND FALSE !(s__state == 8464) [L129] COND FALSE !(s__state == 8465) [L132] COND FALSE !(s__state == 8466) [L135] COND TRUE s__state == 8496 [L286] ret = __VERIFIER_nondet_int() [L287] COND TRUE blastFlag == 1 [L288] blastFlag = 2 [L290] COND FALSE !(ret <= 0) [L293] COND FALSE !(\read(s__hit)) [L296] s__state = 8512 [L298] s__init_num = 0 [L603] COND TRUE ! s__s3__tmp__reuse_message [L604] COND TRUE ! skip [L605] COND TRUE tmp___1 != -12288 [L606] COND TRUE s__state != 8656 [L607] COND TRUE tmp___2 != -16384 [L608] COND TRUE state == 8496 [L641] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 190.09 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 939.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 527.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 983.2 MB in the end (delta: 103.0 MB). Peak memory consumption was 103.0 MB. Max. memory is 11.5 GB. * CodeCheck took 212174.37 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 104.9 MB). Free memory was 983.2 MB in the beginning and 846.0 MB in the end (delta: 137.2 MB). Peak memory consumption was 242.1 MB. Max. memory is 11.5 GB. * Witness Printer took 75.99 ms. Allocated memory is still 1.2 GB. Free memory was 846.0 MB in the beginning and 838.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...