./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_14_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_c8da4c06-8686-4e20-8277-4b9aae6de07a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c8da4c06-8686-4e20-8277-4b9aae6de07a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c8da4c06-8686-4e20-8277-4b9aae6de07a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c8da4c06-8686-4e20-8277-4b9aae6de07a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_14_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c8da4c06-8686-4e20-8277-4b9aae6de07a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c8da4c06-8686-4e20-8277-4b9aae6de07a/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 c5a3d22d49117f02662b197492bc1b16616a2878 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 18:03:54,847 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:03:54,848 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:03:54,854 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:03:54,854 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:03:54,854 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:03:54,855 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:03:54,856 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:03:54,856 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:03:54,857 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:03:54,857 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:03:54,857 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:03:54,857 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:03:54,858 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:03:54,858 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:03:54,859 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:03:54,859 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:03:54,860 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:03:54,861 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:03:54,861 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:03:54,862 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:03:54,863 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:03:54,863 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:03:54,864 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:03:54,864 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:03:54,864 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:03:54,865 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:03:54,865 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:03:54,865 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:03:54,866 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:03:54,866 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:03:54,866 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:03:54,866 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:03:54,866 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:03:54,867 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:03:54,867 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:03:54,867 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c8da4c06-8686-4e20-8277-4b9aae6de07a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 18:03:54,874 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:03:54,875 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:03:54,875 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 18:03:54,875 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 18:03:54,875 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:03:54,875 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:03:54,876 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:03:54,876 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 18:03:54,876 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 18:03:54,876 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 18:03:54,876 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:03:54,876 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 18:03:54,876 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 18:03:54,876 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 18:03:54,876 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 18:03:54,876 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:03:54,876 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:03:54,876 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 18:03:54,877 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 18:03:54,877 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 18:03:54,877 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:03:54,877 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 18:03:54,877 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 18:03:54,877 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:03:54,877 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 18:03:54,877 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 18:03:54,877 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 18:03:54,877 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 18:03:54,877 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 18:03:54,877 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_c8da4c06-8686-4e20-8277-4b9aae6de07a/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 -> c5a3d22d49117f02662b197492bc1b16616a2878 [2018-12-01 18:03:54,895 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:03:54,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:03:54,903 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:03:54,904 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:03:54,904 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:03:54,905 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c8da4c06-8686-4e20-8277-4b9aae6de07a/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_14_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-01 18:03:54,941 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c8da4c06-8686-4e20-8277-4b9aae6de07a/bin-2019/ukojak/data/90bc638c2/11aca32bcf8a4508abec4467be90477d/FLAG75aef4342 [2018-12-01 18:03:55,363 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:03:55,363 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c8da4c06-8686-4e20-8277-4b9aae6de07a/sv-benchmarks/c/locks/test_locks_14_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-01 18:03:55,368 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c8da4c06-8686-4e20-8277-4b9aae6de07a/bin-2019/ukojak/data/90bc638c2/11aca32bcf8a4508abec4467be90477d/FLAG75aef4342 [2018-12-01 18:03:55,376 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c8da4c06-8686-4e20-8277-4b9aae6de07a/bin-2019/ukojak/data/90bc638c2/11aca32bcf8a4508abec4467be90477d [2018-12-01 18:03:55,378 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:03:55,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:03:55,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:03:55,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:03:55,382 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:03:55,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:03:55" (1/1) ... [2018-12-01 18:03:55,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:55, skipping insertion in model container [2018-12-01 18:03:55,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:03:55" (1/1) ... [2018-12-01 18:03:55,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:03:55,401 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:03:55,493 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:03:55,495 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:03:55,511 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:03:55,519 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:03:55,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:55 WrapperNode [2018-12-01 18:03:55,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:03:55,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:03:55,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:03:55,520 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:03:55,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:55" (1/1) ... [2018-12-01 18:03:55,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:55" (1/1) ... [2018-12-01 18:03:55,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:03:55,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:03:55,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:03:55,573 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:03:55,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:55" (1/1) ... [2018-12-01 18:03:55,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:55" (1/1) ... [2018-12-01 18:03:55,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:55" (1/1) ... [2018-12-01 18:03:55,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:55" (1/1) ... [2018-12-01 18:03:55,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:55" (1/1) ... [2018-12-01 18:03:55,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:55" (1/1) ... [2018-12-01 18:03:55,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:55" (1/1) ... [2018-12-01 18:03:55,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:03:55,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:03:55,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:03:55,587 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:03:55,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:03:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c8da4c06-8686-4e20-8277-4b9aae6de07a/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 [2018-12-01 18:03:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:03:55,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:03:55,908 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:03:55,908 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-01 18:03:55,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:03:55 BoogieIcfgContainer [2018-12-01 18:03:55,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:03:55,909 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 18:03:55,909 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 18:03:55,918 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 18:03:55,918 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:03:55" (1/1) ... [2018-12-01 18:03:55,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:03:55,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:03:55,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2018-12-01 18:03:55,958 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2018-12-01 18:03:55,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 18:03:55,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:03:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:03:56,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:03:56,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:03:56,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 62 transitions. [2018-12-01 18:03:56,087 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2018-12-01 18:03:56,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 18:03:56,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:03:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:03:56,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:03:56,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:03:56,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2018-12-01 18:03:56,215 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2018-12-01 18:03:56,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 18:03:56,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:03:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:03:56,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:03:56,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:03:56,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 61 transitions. [2018-12-01 18:03:56,287 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2018-12-01 18:03:56,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 18:03:56,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:03:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:03:56,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:03:56,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:03:56,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2018-12-01 18:03:56,503 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2018-12-01 18:03:56,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 18:03:56,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:03:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:03:56,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:03:56,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:03:56,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2018-12-01 18:03:56,612 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2018-12-01 18:03:56,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 18:03:56,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:03:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:03:56,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:03:56,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:03:56,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2018-12-01 18:03:56,699 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2018-12-01 18:03:56,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 18:03:56,700 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:03:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:03:56,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:03:57,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:03:57,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2018-12-01 18:03:57,056 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2018-12-01 18:03:57,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 18:03:57,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:03:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:03:57,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:03:57,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:03:57,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2018-12-01 18:03:57,145 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2018-12-01 18:03:57,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 18:03:57,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:03:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:03:57,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:03:57,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:03:57,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2018-12-01 18:03:57,234 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2018-12-01 18:03:57,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 18:03:57,234 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:03:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:03:57,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:03:57,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:03:57,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2018-12-01 18:03:57,735 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2018-12-01 18:03:57,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 18:03:57,735 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:03:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:03:57,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:03:57,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:03:57,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2018-12-01 18:03:57,829 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2018-12-01 18:03:57,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 18:03:57,829 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:03:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:03:57,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:03:57,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:03:57,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2018-12-01 18:03:57,972 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2018-12-01 18:03:57,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 18:03:57,972 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:03:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:03:57,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:03:58,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:03:58,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2018-12-01 18:03:58,076 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2018-12-01 18:03:58,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 18:03:58,077 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:03:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:03:58,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:03:58,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:03:58,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2018-12-01 18:03:58,175 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2018-12-01 18:03:58,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 18:03:58,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:03:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:03:58,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:03:59,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:03:59,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2018-12-01 18:03:59,358 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2018-12-01 18:03:59,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 18:03:59,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:03:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:03:59,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:03:59,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:03:59,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2018-12-01 18:03:59,568 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2018-12-01 18:03:59,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 18:03:59,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:03:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:03:59,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:03:59,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:03:59,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2018-12-01 18:03:59,727 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2018-12-01 18:03:59,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 18:03:59,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:03:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:03:59,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:03:59,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:03:59,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2018-12-01 18:03:59,890 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2018-12-01 18:03:59,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 18:03:59,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:03:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:03:59,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:00,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:00,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2018-12-01 18:04:00,006 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2018-12-01 18:04:00,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 18:04:00,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:00,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:00,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:00,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 66 transitions. [2018-12-01 18:04:00,142 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2018-12-01 18:04:00,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 18:04:00,142 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:00,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:01,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:01,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2018-12-01 18:04:01,249 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2018-12-01 18:04:01,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 18:04:01,249 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:01,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:01,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:01,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2018-12-01 18:04:01,409 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2018-12-01 18:04:01,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 18:04:01,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:01,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:01,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:01,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-12-01 18:04:01,677 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-12-01 18:04:01,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 18:04:01,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:01,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:01,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:01,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2018-12-01 18:04:01,867 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2018-12-01 18:04:01,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 18:04:01,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:01,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:02,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:02,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2018-12-01 18:04:02,038 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2018-12-01 18:04:02,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 18:04:02,038 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:02,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:02,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:02,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 68 transitions. [2018-12-01 18:04:02,184 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2018-12-01 18:04:02,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 18:04:02,184 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:02,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:03,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:03,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2018-12-01 18:04:03,686 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2018-12-01 18:04:03,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 18:04:03,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:03,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:03,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:03,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2018-12-01 18:04:03,853 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2018-12-01 18:04:03,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 18:04:03,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:03,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:04,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:04,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 44 states and 76 transitions. [2018-12-01 18:04:04,049 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2018-12-01 18:04:04,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 18:04:04,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:04,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:04,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:04,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2018-12-01 18:04:04,279 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2018-12-01 18:04:04,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 18:04:04,279 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:04,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:04,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:04,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2018-12-01 18:04:04,498 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2018-12-01 18:04:04,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 18:04:04,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:04,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:04,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:04,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 70 transitions. [2018-12-01 18:04:04,703 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2018-12-01 18:04:04,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 18:04:04,703 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:04,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:04,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:04,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 70 transitions. [2018-12-01 18:04:04,900 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 70 transitions. [2018-12-01 18:04:04,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 18:04:04,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:04,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:05,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:05,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2018-12-01 18:04:05,078 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2018-12-01 18:04:05,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 18:04:05,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:05,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:07,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:07,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 93 transitions. [2018-12-01 18:04:07,585 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2018-12-01 18:04:07,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 18:04:07,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:07,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:07,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:07,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 93 transitions. [2018-12-01 18:04:07,910 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 93 transitions. [2018-12-01 18:04:07,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 18:04:07,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:07,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:08,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:08,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2018-12-01 18:04:08,154 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2018-12-01 18:04:08,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 18:04:08,154 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:08,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:08,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:08,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 75 transitions. [2018-12-01 18:04:08,474 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 75 transitions. [2018-12-01 18:04:08,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 18:04:08,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:08,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:08,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:08,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2018-12-01 18:04:08,762 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2018-12-01 18:04:08,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 18:04:08,762 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:08,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:09,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:09,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2018-12-01 18:04:09,017 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2018-12-01 18:04:09,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 18:04:09,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:09,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:09,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:09,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 72 transitions. [2018-12-01 18:04:09,255 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2018-12-01 18:04:09,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 18:04:09,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:09,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:09,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:09,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 72 transitions. [2018-12-01 18:04:09,475 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 72 transitions. [2018-12-01 18:04:09,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 18:04:09,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:09,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:09,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:09,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 47 states and 72 transitions. [2018-12-01 18:04:09,695 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 72 transitions. [2018-12-01 18:04:09,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 18:04:09,695 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:09,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:13,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:13,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 57 states and 98 transitions. [2018-12-01 18:04:13,255 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 98 transitions. [2018-12-01 18:04:13,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 18:04:13,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:13,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:13,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:13,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2018-12-01 18:04:13,516 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2018-12-01 18:04:13,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 18:04:13,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:13,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:13,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:13,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 80 transitions. [2018-12-01 18:04:13,820 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2018-12-01 18:04:13,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 18:04:13,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:13,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:14,165 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-12-01 18:04:14,904 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-12-01 18:04:14,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:14,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 45 states and 77 transitions. [2018-12-01 18:04:14,939 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 77 transitions. [2018-12-01 18:04:14,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 18:04:14,940 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:14,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:15,322 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-01 18:04:16,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:16,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2018-12-01 18:04:16,661 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2018-12-01 18:04:16,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 18:04:16,661 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:16,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:17,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:17,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2018-12-01 18:04:17,209 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2018-12-01 18:04:17,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 18:04:17,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:17,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:17,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:17,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 74 transitions. [2018-12-01 18:04:17,600 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2018-12-01 18:04:17,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 18:04:17,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:17,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:17,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:17,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2018-12-01 18:04:17,889 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2018-12-01 18:04:17,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 18:04:17,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:17,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:18,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:18,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2018-12-01 18:04:18,191 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2018-12-01 18:04:18,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 18:04:18,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:18,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:19,537 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2018-12-01 18:04:25,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:25,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 59 states and 103 transitions. [2018-12-01 18:04:25,557 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2018-12-01 18:04:25,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 18:04:25,558 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:25,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:25,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 60 states and 103 transitions. [2018-12-01 18:04:25,856 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 103 transitions. [2018-12-01 18:04:25,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 18:04:25,856 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:25,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:27,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:27,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 103 transitions. [2018-12-01 18:04:27,206 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 103 transitions. [2018-12-01 18:04:27,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 18:04:27,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:27,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:27,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:27,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2018-12-01 18:04:27,594 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2018-12-01 18:04:27,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 18:04:27,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:27,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:28,227 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-12-01 18:04:28,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:28,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2018-12-01 18:04:28,788 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2018-12-01 18:04:28,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 18:04:28,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:28,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:29,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:29,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2018-12-01 18:04:29,214 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2018-12-01 18:04:29,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 18:04:29,214 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:29,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:29,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:29,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2018-12-01 18:04:29,628 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2018-12-01 18:04:29,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 18:04:29,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:29,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:29,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:29,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2018-12-01 18:04:29,988 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2018-12-01 18:04:29,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 18:04:29,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:29,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:30,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:30,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 76 transitions. [2018-12-01 18:04:30,357 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 76 transitions. [2018-12-01 18:04:30,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 18:04:30,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:30,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:30,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:30,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 49 states and 76 transitions. [2018-12-01 18:04:30,700 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2018-12-01 18:04:30,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 18:04:30,700 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:30,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:36,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:36,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 61 states and 108 transitions. [2018-12-01 18:04:36,095 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 108 transitions. [2018-12-01 18:04:36,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 18:04:36,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:36,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:36,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:36,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 62 states and 108 transitions. [2018-12-01 18:04:36,423 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 108 transitions. [2018-12-01 18:04:36,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 18:04:36,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:36,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:36,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:36,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 63 states and 108 transitions. [2018-12-01 18:04:36,761 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 108 transitions. [2018-12-01 18:04:36,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 18:04:36,761 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:36,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:37,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:37,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2018-12-01 18:04:37,143 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2018-12-01 18:04:37,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 18:04:37,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:37,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:37,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:37,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 48 states and 84 transitions. [2018-12-01 18:04:37,616 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 84 transitions. [2018-12-01 18:04:37,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 18:04:37,616 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:37,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:38,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:38,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 47 states and 81 transitions. [2018-12-01 18:04:38,155 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 81 transitions. [2018-12-01 18:04:38,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 18:04:38,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:38,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:38,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:38,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2018-12-01 18:04:38,665 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2018-12-01 18:04:38,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 18:04:38,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:39,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:39,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2018-12-01 18:04:39,131 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2018-12-01 18:04:39,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 18:04:39,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:39,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:39,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:39,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2018-12-01 18:04:39,626 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2018-12-01 18:04:39,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 18:04:39,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:39,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:40,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:40,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2018-12-01 18:04:40,604 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2018-12-01 18:04:40,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 18:04:40,605 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:40,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:41,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:41,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 50 states and 78 transitions. [2018-12-01 18:04:41,274 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 78 transitions. [2018-12-01 18:04:41,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 18:04:41,275 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:41,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:42,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:42,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2018-12-01 18:04:42,758 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2018-12-01 18:04:42,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 18:04:42,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:43,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:44,837 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2018-12-01 18:04:46,706 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2018-12-01 18:04:50,380 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-12-01 18:04:54,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:54,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 64 states and 113 transitions. [2018-12-01 18:04:54,534 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 113 transitions. [2018-12-01 18:04:54,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 18:04:54,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:54,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:54,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:54,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 65 states and 113 transitions. [2018-12-01 18:04:54,937 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 113 transitions. [2018-12-01 18:04:54,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 18:04:54,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:54,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:55,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:55,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 66 states and 113 transitions. [2018-12-01 18:04:55,348 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 113 transitions. [2018-12-01 18:04:55,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 18:04:55,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:55,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:55,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:55,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 67 states and 113 transitions. [2018-12-01 18:04:55,840 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 113 transitions. [2018-12-01 18:04:55,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 18:04:55,840 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:55,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:56,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:56,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2018-12-01 18:04:56,373 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2018-12-01 18:04:56,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 18:04:56,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:56,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:56,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 48 states and 83 transitions. [2018-12-01 18:04:56,972 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 83 transitions. [2018-12-01 18:04:56,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 18:04:56,972 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:56,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:57,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:57,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2018-12-01 18:04:57,576 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2018-12-01 18:04:57,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 18:04:57,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:57,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:58,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:58,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 48 states and 80 transitions. [2018-12-01 18:04:58,150 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 80 transitions. [2018-12-01 18:04:58,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 18:04:58,151 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:58,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:58,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:58,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 80 transitions. [2018-12-01 18:04:58,719 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2018-12-01 18:04:58,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 18:04:58,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:58,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:59,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:59,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2018-12-01 18:04:59,232 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2018-12-01 18:04:59,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 18:04:59,232 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:59,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:04:59,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:04:59,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 51 states and 80 transitions. [2018-12-01 18:04:59,745 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 80 transitions. [2018-12-01 18:04:59,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 18:04:59,746 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:04:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:04:59,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:05:00,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:05:00,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 52 states and 80 transitions. [2018-12-01 18:05:00,199 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 80 transitions. [2018-12-01 18:05:00,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 18:05:00,199 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:05:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:05:00,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:05:01,667 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-12-01 18:05:02,979 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2018-12-01 18:05:04,227 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2018-12-01 18:05:04,803 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-12-01 18:05:05,339 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2018-12-01 18:05:06,611 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2018-12-01 18:05:14,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:05:14,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 66 states and 118 transitions. [2018-12-01 18:05:14,138 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 118 transitions. [2018-12-01 18:05:14,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 18:05:14,138 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:05:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:05:14,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:05:14,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:05:14,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 67 states and 118 transitions. [2018-12-01 18:05:14,588 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 118 transitions. [2018-12-01 18:05:14,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 18:05:14,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:05:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:05:14,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:05:15,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:05:15,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 68 states and 118 transitions. [2018-12-01 18:05:15,075 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 118 transitions. [2018-12-01 18:05:15,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 18:05:15,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:05:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:05:15,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:05:15,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:05:15,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 69 states and 118 transitions. [2018-12-01 18:05:15,786 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 118 transitions. [2018-12-01 18:05:15,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 18:05:15,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:05:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:05:15,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:05:16,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:05:16,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 70 states and 118 transitions. [2018-12-01 18:05:16,337 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 118 transitions. [2018-12-01 18:05:16,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 18:05:16,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:05:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:05:16,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:05:16,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:05:16,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2018-12-01 18:05:16,998 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2018-12-01 18:05:16,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 18:05:16,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:05:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:05:17,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:05:17,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:05:17,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 49 states and 85 transitions. [2018-12-01 18:05:17,741 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 85 transitions. [2018-12-01 18:05:17,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 18:05:17,741 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:05:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:05:17,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:05:18,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:05:18,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2018-12-01 18:05:18,435 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2018-12-01 18:05:18,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 18:05:18,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:05:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:05:18,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:05:19,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:05:19,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2018-12-01 18:05:19,155 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2018-12-01 18:05:19,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 18:05:19,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:05:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:05:19,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:05:20,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:05:20,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 82 transitions. [2018-12-01 18:05:20,829 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2018-12-01 18:05:20,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 18:05:20,829 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:05:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:05:20,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:05:21,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:05:21,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 51 states and 82 transitions. [2018-12-01 18:05:21,765 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 82 transitions. [2018-12-01 18:05:21,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 18:05:21,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:05:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:05:21,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:05:22,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:05:22,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 52 states and 82 transitions. [2018-12-01 18:05:22,383 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 82 transitions. [2018-12-01 18:05:22,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 18:05:22,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:05:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:05:22,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:05:22,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:05:22,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2018-12-01 18:05:22,933 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2018-12-01 18:05:22,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 18:05:22,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:05:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:05:22,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:05:23,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:05:23,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 54 states and 82 transitions. [2018-12-01 18:05:23,493 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 82 transitions. [2018-12-01 18:05:23,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 18:05:23,493 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:05:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:05:23,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:05:24,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:05:24,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 82 transitions. [2018-12-01 18:05:24,432 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 82 transitions. [2018-12-01 18:05:24,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 18:05:24,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:05:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:05:24,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:05:27,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:05:27,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 82 transitions. [2018-12-01 18:05:27,065 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2018-12-01 18:05:27,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 18:05:27,066 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:05:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:05:27,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:05:28,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:05:28,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 82 transitions. [2018-12-01 18:05:28,874 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2018-12-01 18:05:28,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 18:05:28,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:05:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:05:28,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:05:30,655 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-12-01 18:05:30,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:05:30,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 58 states and 82 transitions. [2018-12-01 18:05:30,688 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 82 transitions. [2018-12-01 18:05:30,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 18:05:30,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:05:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:05:30,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:05:31,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:05:31,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 48 transitions. [2018-12-01 18:05:31,444 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2018-12-01 18:05:31,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 18:05:31,444 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 106 iterations. [2018-12-01 18:05:31,449 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 18:05:31,836 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:05:31,839 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:05:31,839 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:05:31,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:05:31 ImpRootNode [2018-12-01 18:05:31,839 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 18:05:31,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:05:31,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:05:31,840 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:05:31,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:03:55" (3/4) ... [2018-12-01 18:05:31,842 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 18:05:31,849 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-12-01 18:05:31,849 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-01 18:05:31,849 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 18:05:31,886 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c8da4c06-8686-4e20-8277-4b9aae6de07a/bin-2019/ukojak/witness.graphml [2018-12-01 18:05:31,886 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:05:31,887 INFO L168 Benchmark]: Toolchain (without parser) took 96507.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 954.4 MB in the beginning and 917.4 MB in the end (delta: 37.0 MB). Peak memory consumption was 203.7 MB. Max. memory is 11.5 GB. [2018-12-01 18:05:31,887 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. [2018-12-01 18:05:31,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.87 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-01 18:05:31,887 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -146.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-12-01 18:05:31,888 INFO L168 Benchmark]: Boogie Preprocessor took 14.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 18:05:31,888 INFO L168 Benchmark]: RCFGBuilder took 321.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-12-01 18:05:31,888 INFO L168 Benchmark]: CodeCheck took 95930.24 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.0 GB in the beginning and 924.6 MB in the end (delta: 112.6 MB). Peak memory consumption was 190.8 MB. Max. memory is 11.5 GB. [2018-12-01 18:05:31,888 INFO L168 Benchmark]: Witness Printer took 46.79 ms. Allocated memory is still 1.2 GB. Free memory was 924.6 MB in the beginning and 917.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-01 18:05:31,890 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, 51 locations, 1 error locations. SAFE Result, 95.5s OverallTime, 106 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -120602628 SDslu, 0 SDs, 0 SdLazy, -210796552 SolverSat, -132136964 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 56.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17149 GetRequests, 16365 SyntacticMatches, 0 SemanticMatches, 784 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303087 ImplicationChecksByTransitivity, 92.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1631 NumberOfCodeBlocks, 1631 NumberOfCodeBlocksAsserted, 105 NumberOfCheckSat, 1526 ConstructedInterpolants, 0 QuantifiedInterpolants, 130676 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 105 InterpolantComputations, 105 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: 217]: 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: 51]: 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 139.87 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -146.7 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 321.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * CodeCheck took 95930.24 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.0 GB in the beginning and 924.6 MB in the end (delta: 112.6 MB). Peak memory consumption was 190.8 MB. Max. memory is 11.5 GB. * Witness Printer took 46.79 ms. Allocated memory is still 1.2 GB. Free memory was 924.6 MB in the beginning and 917.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...