./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_11_true-unreach-call_true-valid-memsafety_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ded7eca2-2a70-4767-990a-51a1fbba1468/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ded7eca2-2a70-4767-990a-51a1fbba1468/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ded7eca2-2a70-4767-990a-51a1fbba1468/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ded7eca2-2a70-4767-990a-51a1fbba1468/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_11_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ded7eca2-2a70-4767-990a-51a1fbba1468/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ded7eca2-2a70-4767-990a-51a1fbba1468/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 56f043bec3037ec37b4a132611abd4a337934428 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 20:48:59,335 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 20:48:59,336 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 20:48:59,342 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 20:48:59,342 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 20:48:59,343 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 20:48:59,343 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 20:48:59,344 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 20:48:59,345 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 20:48:59,345 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 20:48:59,346 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 20:48:59,346 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 20:48:59,346 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 20:48:59,347 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 20:48:59,347 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 20:48:59,348 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 20:48:59,348 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 20:48:59,349 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 20:48:59,350 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 20:48:59,350 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 20:48:59,351 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 20:48:59,351 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 20:48:59,353 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 20:48:59,353 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 20:48:59,353 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 20:48:59,353 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 20:48:59,354 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 20:48:59,354 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 20:48:59,354 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 20:48:59,355 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 20:48:59,355 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 20:48:59,355 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 20:48:59,356 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 20:48:59,356 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 20:48:59,356 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 20:48:59,356 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 20:48:59,357 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ded7eca2-2a70-4767-990a-51a1fbba1468/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 20:48:59,364 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 20:48:59,364 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 20:48:59,364 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 20:48:59,364 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 20:48:59,365 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 20:48:59,365 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 20:48:59,365 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 20:48:59,365 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 20:48:59,365 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 20:48:59,365 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 20:48:59,365 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 20:48:59,365 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 20:48:59,366 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 20:48:59,366 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 20:48:59,366 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 20:48:59,366 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 20:48:59,366 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 20:48:59,366 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 20:48:59,366 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 20:48:59,366 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 20:48:59,366 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 20:48:59,366 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 20:48:59,366 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 20:48:59,367 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 20:48:59,367 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 20:48:59,367 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 20:48:59,367 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 20:48:59,367 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 20:48:59,367 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 20:48:59,367 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_ded7eca2-2a70-4767-990a-51a1fbba1468/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 -> 56f043bec3037ec37b4a132611abd4a337934428 [2018-12-02 20:48:59,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 20:48:59,393 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 20:48:59,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 20:48:59,396 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 20:48:59,396 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 20:48:59,397 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ded7eca2-2a70-4767-990a-51a1fbba1468/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_11_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-02 20:48:59,432 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ded7eca2-2a70-4767-990a-51a1fbba1468/bin-2019/ukojak/data/670bf6ea0/16acb1fb79c742fa9e474eb2780f6754/FLAGac64499ca [2018-12-02 20:48:59,844 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 20:48:59,845 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ded7eca2-2a70-4767-990a-51a1fbba1468/sv-benchmarks/c/locks/test_locks_11_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-02 20:48:59,849 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ded7eca2-2a70-4767-990a-51a1fbba1468/bin-2019/ukojak/data/670bf6ea0/16acb1fb79c742fa9e474eb2780f6754/FLAGac64499ca [2018-12-02 20:48:59,857 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ded7eca2-2a70-4767-990a-51a1fbba1468/bin-2019/ukojak/data/670bf6ea0/16acb1fb79c742fa9e474eb2780f6754 [2018-12-02 20:48:59,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 20:48:59,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 20:48:59,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 20:48:59,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 20:48:59,863 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 20:48:59,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:48:59" (1/1) ... [2018-12-02 20:48:59,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54724d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:59, skipping insertion in model container [2018-12-02 20:48:59,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:48:59" (1/1) ... [2018-12-02 20:48:59,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 20:48:59,880 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 20:48:59,972 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:48:59,974 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 20:48:59,989 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:48:59,997 INFO L195 MainTranslator]: Completed translation [2018-12-02 20:48:59,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:59 WrapperNode [2018-12-02 20:48:59,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 20:48:59,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 20:48:59,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 20:48:59,998 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 20:49:00,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:59" (1/1) ... [2018-12-02 20:49:00,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:59" (1/1) ... [2018-12-02 20:49:00,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 20:49:00,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 20:49:00,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 20:49:00,020 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 20:49:00,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:59" (1/1) ... [2018-12-02 20:49:00,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:59" (1/1) ... [2018-12-02 20:49:00,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:59" (1/1) ... [2018-12-02 20:49:00,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:59" (1/1) ... [2018-12-02 20:49:00,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:59" (1/1) ... [2018-12-02 20:49:00,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:59" (1/1) ... [2018-12-02 20:49:00,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:59" (1/1) ... [2018-12-02 20:49:00,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 20:49:00,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 20:49:00,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 20:49:00,069 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 20:49:00,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ded7eca2-2a70-4767-990a-51a1fbba1468/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 [2018-12-02 20:49:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 20:49:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 20:49:00,326 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 20:49:00,327 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-02 20:49:00,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:49:00 BoogieIcfgContainer [2018-12-02 20:49:00,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 20:49:00,327 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 20:49:00,327 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 20:49:00,334 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 20:49:00,334 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:49:00" (1/1) ... [2018-12-02 20:49:00,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:49:00,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:00,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2018-12-02 20:49:00,362 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2018-12-02 20:49:00,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 20:49:00,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:00,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:00,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:00,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2018-12-02 20:49:00,490 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2018-12-02 20:49:00,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 20:49:00,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:00,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:00,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:00,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2018-12-02 20:49:00,608 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2018-12-02 20:49:00,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 20:49:00,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:00,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:00,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:00,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2018-12-02 20:49:00,669 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2018-12-02 20:49:00,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 20:49:00,670 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:00,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:00,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:00,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2018-12-02 20:49:00,876 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2018-12-02 20:49:00,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 20:49:00,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:00,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:00,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:00,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 51 transitions. [2018-12-02 20:49:00,963 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2018-12-02 20:49:00,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 20:49:00,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:00,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:01,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:01,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:01,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2018-12-02 20:49:01,279 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2018-12-02 20:49:01,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 20:49:01,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:01,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:01,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:01,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-12-02 20:49:01,362 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-12-02 20:49:01,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 20:49:01,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:01,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:01,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:01,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2018-12-02 20:49:01,463 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2018-12-02 20:49:01,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 20:49:01,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:01,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:01,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:01,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2018-12-02 20:49:01,944 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2018-12-02 20:49:01,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 20:49:01,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:01,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:02,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:02,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2018-12-02 20:49:02,025 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2018-12-02 20:49:02,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 20:49:02,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:02,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:02,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2018-12-02 20:49:02,114 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2018-12-02 20:49:02,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 20:49:02,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:02,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:02,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:02,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2018-12-02 20:49:02,248 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2018-12-02 20:49:02,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 20:49:02,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:02,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:02,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2018-12-02 20:49:02,349 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2018-12-02 20:49:02,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 20:49:02,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:02,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:03,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:03,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2018-12-02 20:49:03,081 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2018-12-02 20:49:03,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 20:49:03,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:03,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:03,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:03,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2018-12-02 20:49:03,203 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2018-12-02 20:49:03,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 20:49:03,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:03,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:03,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:03,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2018-12-02 20:49:03,318 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2018-12-02 20:49:03,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 20:49:03,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:03,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:03,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:03,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2018-12-02 20:49:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2018-12-02 20:49:03,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 20:49:03,485 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:03,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:03,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:03,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2018-12-02 20:49:03,602 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2018-12-02 20:49:03,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 20:49:03,602 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:03,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:03,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:03,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2018-12-02 20:49:03,708 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2018-12-02 20:49:03,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 20:49:03,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:03,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:04,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:04,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2018-12-02 20:49:04,773 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2018-12-02 20:49:04,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 20:49:04,774 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:04,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:04,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:04,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2018-12-02 20:49:04,913 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2018-12-02 20:49:04,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 20:49:04,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:04,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:05,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:05,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2018-12-02 20:49:05,071 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2018-12-02 20:49:05,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 20:49:05,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:05,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:05,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2018-12-02 20:49:05,258 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2018-12-02 20:49:05,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 20:49:05,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:05,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:05,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:05,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2018-12-02 20:49:05,410 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2018-12-02 20:49:05,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 20:49:05,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:05,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:05,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:05,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2018-12-02 20:49:05,565 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2018-12-02 20:49:05,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 20:49:05,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:05,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:07,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:07,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2018-12-02 20:49:07,864 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2018-12-02 20:49:07,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 20:49:07,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:07,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:08,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:08,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2018-12-02 20:49:08,017 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2018-12-02 20:49:08,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 20:49:08,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:08,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:08,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:08,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2018-12-02 20:49:08,216 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2018-12-02 20:49:08,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 20:49:08,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:08,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:08,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:08,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2018-12-02 20:49:08,419 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2018-12-02 20:49:08,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 20:49:08,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:08,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:08,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:08,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2018-12-02 20:49:08,658 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2018-12-02 20:49:08,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 20:49:08,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:08,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:08,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:08,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2018-12-02 20:49:08,852 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2018-12-02 20:49:08,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 20:49:08,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:08,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:09,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2018-12-02 20:49:09,044 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2018-12-02 20:49:09,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 20:49:09,044 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:09,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:09,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:09,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 61 transitions. [2018-12-02 20:49:09,219 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2018-12-02 20:49:09,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 20:49:09,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:09,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:11,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:11,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 49 states and 84 transitions. [2018-12-02 20:49:11,648 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2018-12-02 20:49:11,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 20:49:11,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:11,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:11,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:11,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2018-12-02 20:49:11,847 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2018-12-02 20:49:11,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 20:49:11,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:11,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:12,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:12,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 51 states and 84 transitions. [2018-12-02 20:49:12,109 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 84 transitions. [2018-12-02 20:49:12,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 20:49:12,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:12,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:12,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:12,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2018-12-02 20:49:12,367 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2018-12-02 20:49:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 20:49:12,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:12,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:12,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:12,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2018-12-02 20:49:12,675 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2018-12-02 20:49:12,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 20:49:12,676 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:12,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:13,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:13,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2018-12-02 20:49:13,125 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2018-12-02 20:49:13,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 20:49:13,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:13,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:13,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:13,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2018-12-02 20:49:13,353 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2018-12-02 20:49:13,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 20:49:13,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:13,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:13,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:13,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2018-12-02 20:49:13,568 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2018-12-02 20:49:13,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 20:49:13,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:13,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:13,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:13,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2018-12-02 20:49:13,789 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2018-12-02 20:49:13,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 20:49:13,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:13,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:18,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:18,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 89 transitions. [2018-12-02 20:49:18,822 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2018-12-02 20:49:18,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 20:49:18,823 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:18,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:19,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:19,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 53 states and 89 transitions. [2018-12-02 20:49:19,087 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 89 transitions. [2018-12-02 20:49:19,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 20:49:19,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:19,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:19,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:19,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2018-12-02 20:49:19,521 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2018-12-02 20:49:19,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 20:49:19,521 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:19,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:19,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:19,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2018-12-02 20:49:19,854 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2018-12-02 20:49:19,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 20:49:19,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:19,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:20,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:20,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2018-12-02 20:49:20,215 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2018-12-02 20:49:20,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 20:49:20,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:20,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:20,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:20,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2018-12-02 20:49:20,526 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2018-12-02 20:49:20,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 20:49:20,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:20,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:20,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:20,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2018-12-02 20:49:20,818 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2018-12-02 20:49:20,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 20:49:20,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:20,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:21,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:21,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2018-12-02 20:49:21,084 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2018-12-02 20:49:21,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 20:49:21,084 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:21,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:21,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:21,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2018-12-02 20:49:21,346 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2018-12-02 20:49:21,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 20:49:21,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:21,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:25,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:25,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2018-12-02 20:49:25,970 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2018-12-02 20:49:25,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 20:49:25,970 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:26,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:26,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2018-12-02 20:49:26,259 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2018-12-02 20:49:26,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 20:49:26,259 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:26,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:26,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:26,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2018-12-02 20:49:26,569 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2018-12-02 20:49:26,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 20:49:26,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:26,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:26,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:26,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2018-12-02 20:49:26,918 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2018-12-02 20:49:26,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 20:49:26,919 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:26,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:27,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:27,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2018-12-02 20:49:27,309 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2018-12-02 20:49:27,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:49:27,309 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:27,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:28,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:28,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2018-12-02 20:49:28,167 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2018-12-02 20:49:28,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:49:28,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:28,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:28,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:28,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2018-12-02 20:49:28,617 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2018-12-02 20:49:28,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:49:28,617 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:28,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:28,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:28,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2018-12-02 20:49:28,987 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2018-12-02 20:49:28,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:49:28,987 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:28,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:29,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:29,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2018-12-02 20:49:29,337 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2018-12-02 20:49:29,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:49:29,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:29,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:29,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:29,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2018-12-02 20:49:29,669 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2018-12-02 20:49:29,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:49:29,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:29,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:30,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:30,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2018-12-02 20:49:30,015 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2018-12-02 20:49:30,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:49:30,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:30,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:30,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:30,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 46 states and 67 transitions. [2018-12-02 20:49:30,356 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2018-12-02 20:49:30,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:49:30,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:30,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:30,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:30,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 47 states and 67 transitions. [2018-12-02 20:49:30,728 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2018-12-02 20:49:30,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:49:30,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:30,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:31,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:31,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 48 states and 67 transitions. [2018-12-02 20:49:31,632 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2018-12-02 20:49:31,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 20:49:31,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 20:49:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:49:31,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:49:32,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 20:49:32,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2018-12-02 20:49:32,119 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2018-12-02 20:49:32,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 20:49:32,119 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 67 iterations. [2018-12-02 20:49:32,124 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 20:49:32,364 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 20:49:32,366 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 20:49:32,366 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 20:49:32,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 08:49:32 ImpRootNode [2018-12-02 20:49:32,366 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 20:49:32,366 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 20:49:32,366 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 20:49:32,366 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 20:49:32,367 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:49:00" (3/4) ... [2018-12-02 20:49:32,369 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 20:49:32,375 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-02 20:49:32,375 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 20:49:32,375 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 20:49:32,413 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ded7eca2-2a70-4767-990a-51a1fbba1468/bin-2019/ukojak/witness.graphml [2018-12-02 20:49:32,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 20:49:32,414 INFO L168 Benchmark]: Toolchain (without parser) took 32554.46 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 597.7 MB). Free memory was 954.4 MB in the beginning and 944.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 607.7 MB. Max. memory is 11.5 GB. [2018-12-02 20:49:32,415 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:49:32,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 137.51 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 20:49:32,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.80 ms. Allocated memory is still 1.0 GB. Free memory was 943.6 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 20:49:32,416 INFO L168 Benchmark]: Boogie Preprocessor took 48.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -193.8 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-02 20:49:32,416 INFO L168 Benchmark]: RCFGBuilder took 258.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2018-12-02 20:49:32,416 INFO L168 Benchmark]: CodeCheck took 32038.86 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 457.7 MB). Free memory was 1.1 GB in the beginning and 944.4 MB in the end (delta: 151.3 MB). Peak memory consumption was 609.0 MB. Max. memory is 11.5 GB. [2018-12-02 20:49:32,416 INFO L168 Benchmark]: Witness Printer took 46.85 ms. Allocated memory is still 1.6 GB. Free memory is still 944.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:49:32,418 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, 42 locations, 1 error locations. SAFE Result, 31.7s OverallTime, 67 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -773195780 SDslu, 0 SDs, 0 SdLazy, -840241160 SolverSat, -1008601092 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9060 GetRequests, 8576 SyntacticMatches, 0 SemanticMatches, 484 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111902 ImplicationChecksByTransitivity, 30.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 891 NumberOfCodeBlocks, 891 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 825 ConstructedInterpolants, 0 QuantifiedInterpolants, 57695 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 66 InterpolantComputations, 66 PerfectInterpolantSequences, 0/0 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: 175]: 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: 5]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 137.51 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.80 ms. Allocated memory is still 1.0 GB. Free memory was 943.6 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -193.8 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 258.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. * CodeCheck took 32038.86 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 457.7 MB). Free memory was 1.1 GB in the beginning and 944.4 MB in the end (delta: 151.3 MB). Peak memory consumption was 609.0 MB. Max. memory is 11.5 GB. * Witness Printer took 46.85 ms. Allocated memory is still 1.6 GB. Free memory is still 944.4 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...