./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memset3_true-valid-memsafety_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_120b5364-3473-4324-9383-cb1eee38bb7d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_120b5364-3473-4324-9383-cb1eee38bb7d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_120b5364-3473-4324-9383-cb1eee38bb7d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_120b5364-3473-4324-9383-cb1eee38bb7d/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memset3_true-valid-memsafety_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_120b5364-3473-4324-9383-cb1eee38bb7d/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_120b5364-3473-4324-9383-cb1eee38bb7d/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 06914024aa49a34ce88c7dcbc25f89730c27c8e4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 04:33:27,763 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 04:33:27,764 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 04:33:27,773 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 04:33:27,773 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 04:33:27,774 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 04:33:27,775 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 04:33:27,777 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 04:33:27,778 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 04:33:27,779 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 04:33:27,779 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 04:33:27,779 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 04:33:27,781 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 04:33:27,781 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 04:33:27,782 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 04:33:27,783 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 04:33:27,784 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 04:33:27,785 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 04:33:27,786 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 04:33:27,788 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 04:33:27,789 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 04:33:27,790 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 04:33:27,792 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 04:33:27,792 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 04:33:27,792 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 04:33:27,793 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 04:33:27,794 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 04:33:27,795 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 04:33:27,795 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 04:33:27,796 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 04:33:27,797 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 04:33:27,797 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 04:33:27,797 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 04:33:27,798 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 04:33:27,798 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 04:33:27,799 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 04:33:27,799 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_120b5364-3473-4324-9383-cb1eee38bb7d/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-10-27 04:33:27,810 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 04:33:27,811 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 04:33:27,811 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 04:33:27,812 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 04:33:27,812 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 04:33:27,812 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 04:33:27,813 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 04:33:27,813 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 04:33:27,813 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 04:33:27,813 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 04:33:27,813 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-27 04:33:27,813 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-27 04:33:27,813 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-27 04:33:27,814 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 04:33:27,814 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 04:33:27,814 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 04:33:27,814 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 04:33:27,814 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 04:33:27,814 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 04:33:27,814 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 04:33:27,815 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 04:33:27,815 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 04:33:27,815 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 04:33:27,815 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 04:33:27,815 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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_120b5364-3473-4324-9383-cb1eee38bb7d/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 06914024aa49a34ce88c7dcbc25f89730c27c8e4 [2018-10-27 04:33:27,841 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 04:33:27,853 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 04:33:27,856 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 04:33:27,857 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 04:33:27,857 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 04:33:27,858 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_120b5364-3473-4324-9383-cb1eee38bb7d/bin-2019/ukojak/../../sv-benchmarks/c/ldv-memsafety/memset3_true-valid-memsafety_true-termination.c [2018-10-27 04:33:27,905 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_120b5364-3473-4324-9383-cb1eee38bb7d/bin-2019/ukojak/data/d82271e3d/cf77cd6b49d5404b9b62a383155aa8c0/FLAG15bba29d3 [2018-10-27 04:33:28,275 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 04:33:28,275 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_120b5364-3473-4324-9383-cb1eee38bb7d/sv-benchmarks/c/ldv-memsafety/memset3_true-valid-memsafety_true-termination.c [2018-10-27 04:33:28,280 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_120b5364-3473-4324-9383-cb1eee38bb7d/bin-2019/ukojak/data/d82271e3d/cf77cd6b49d5404b9b62a383155aa8c0/FLAG15bba29d3 [2018-10-27 04:33:28,291 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_120b5364-3473-4324-9383-cb1eee38bb7d/bin-2019/ukojak/data/d82271e3d/cf77cd6b49d5404b9b62a383155aa8c0 [2018-10-27 04:33:28,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 04:33:28,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 04:33:28,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 04:33:28,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 04:33:28,300 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 04:33:28,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:33:28" (1/1) ... [2018-10-27 04:33:28,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@994f705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:33:28, skipping insertion in model container [2018-10-27 04:33:28,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:33:28" (1/1) ... [2018-10-27 04:33:28,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 04:33:28,325 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 04:33:28,438 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:33:28,445 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 04:33:28,456 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:33:28,467 INFO L193 MainTranslator]: Completed translation [2018-10-27 04:33:28,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:33:28 WrapperNode [2018-10-27 04:33:28,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 04:33:28,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 04:33:28,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 04:33:28,469 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 04:33:28,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:33:28" (1/1) ... [2018-10-27 04:33:28,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:33:28" (1/1) ... [2018-10-27 04:33:28,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 04:33:28,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 04:33:28,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 04:33:28,500 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 04:33:28,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:33:28" (1/1) ... [2018-10-27 04:33:28,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:33:28" (1/1) ... [2018-10-27 04:33:28,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:33:28" (1/1) ... [2018-10-27 04:33:28,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:33:28" (1/1) ... [2018-10-27 04:33:28,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:33:28" (1/1) ... [2018-10-27 04:33:28,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:33:28" (1/1) ... [2018-10-27 04:33:28,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:33:28" (1/1) ... [2018-10-27 04:33:28,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 04:33:28,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 04:33:28,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 04:33:28,519 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 04:33:28,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:33:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_120b5364-3473-4324-9383-cb1eee38bb7d/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 04:33:28,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 04:33:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 04:33:28,929 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 04:33:28,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:33:28 BoogieIcfgContainer [2018-10-27 04:33:28,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 04:33:28,930 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 04:33:28,930 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 04:33:28,940 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 04:33:28,940 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:33:28" (1/1) ... [2018-10-27 04:33:28,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:33:28,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:29,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-10-27 04:33:29,009 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-10-27 04:33:29,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-27 04:33:29,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:29,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:29,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:29,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-10-27 04:33:29,324 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-10-27 04:33:29,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-27 04:33:29,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:29,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:29,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:29,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-27 04:33:29,739 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-27 04:33:29,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-27 04:33:29,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:29,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:30,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:30,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-27 04:33:30,431 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-27 04:33:30,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-27 04:33:30,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:30,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:30,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:30,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-10-27 04:33:30,565 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-10-27 04:33:30,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-27 04:33:30,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:30,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:30,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:30,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-10-27 04:33:30,695 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-10-27 04:33:30,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 04:33:30,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:30,737 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:30,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:30,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-10-27 04:33:30,839 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-10-27 04:33:30,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-27 04:33:30,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:30,903 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:31,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:31,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2018-10-27 04:33:31,021 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2018-10-27 04:33:31,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 04:33:31,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:31,065 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:31,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:31,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-10-27 04:33:31,153 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-10-27 04:33:31,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 04:33:31,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:31,202 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:31,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:31,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-10-27 04:33:31,292 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-10-27 04:33:31,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-27 04:33:31,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:31,463 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:31,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:31,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-10-27 04:33:31,634 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-10-27 04:33:31,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 04:33:31,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:31,697 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:31,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:31,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2018-10-27 04:33:31,782 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-10-27 04:33:31,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-27 04:33:31,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:31,840 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:31,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:31,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2018-10-27 04:33:31,916 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2018-10-27 04:33:31,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-27 04:33:31,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:31,971 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:32,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:32,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2018-10-27 04:33:32,050 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-10-27 04:33:32,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-27 04:33:32,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:32,109 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:32,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:32,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2018-10-27 04:33:32,212 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2018-10-27 04:33:32,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 04:33:32,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:32,284 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:32,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:32,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2018-10-27 04:33:32,469 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2018-10-27 04:33:32,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 04:33:32,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:32,576 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:32,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:32,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2018-10-27 04:33:32,680 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2018-10-27 04:33:32,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 04:33:32,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:32,751 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:32,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:32,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2018-10-27 04:33:32,883 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-10-27 04:33:32,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-27 04:33:32,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:33,141 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:33,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:33,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2018-10-27 04:33:33,248 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2018-10-27 04:33:33,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-27 04:33:33,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:33,327 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:33,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:33,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2018-10-27 04:33:33,446 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2018-10-27 04:33:33,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 04:33:33,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:33,567 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:33,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:33,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2018-10-27 04:33:33,675 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2018-10-27 04:33:33,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-27 04:33:33,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:33,766 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:34,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:34,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2018-10-27 04:33:34,382 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2018-10-27 04:33:34,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-27 04:33:34,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:35,049 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:35,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:35,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2018-10-27 04:33:35,622 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2018-10-27 04:33:35,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-27 04:33:35,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:36,383 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:36,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:36,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 28 states and 30 transitions. [2018-10-27 04:33:36,792 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2018-10-27 04:33:36,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-27 04:33:36,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:36,917 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:37,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:37,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2018-10-27 04:33:37,218 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2018-10-27 04:33:37,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-27 04:33:37,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:37,497 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:37,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:37,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2018-10-27 04:33:37,616 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2018-10-27 04:33:37,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 04:33:37,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:37,699 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:37,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:37,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 31 states and 33 transitions. [2018-10-27 04:33:37,932 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2018-10-27 04:33:37,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-27 04:33:37,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:38,093 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:38,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:38,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2018-10-27 04:33:38,314 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2018-10-27 04:33:38,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-27 04:33:38,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:38,519 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:38,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:38,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 33 states and 35 transitions. [2018-10-27 04:33:38,719 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2018-10-27 04:33:38,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-27 04:33:38,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:38,805 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:38,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:38,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2018-10-27 04:33:38,943 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2018-10-27 04:33:38,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-27 04:33:38,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:39,034 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:39,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:39,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 35 states and 37 transitions. [2018-10-27 04:33:39,257 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2018-10-27 04:33:39,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-27 04:33:39,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:39,969 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:40,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:40,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 36 states and 38 transitions. [2018-10-27 04:33:40,100 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-10-27 04:33:40,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-27 04:33:40,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:40,200 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:40,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:40,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 37 states and 39 transitions. [2018-10-27 04:33:40,342 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2018-10-27 04:33:40,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-27 04:33:40,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:40,503 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:40,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:40,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 38 states and 40 transitions. [2018-10-27 04:33:40,661 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2018-10-27 04:33:40,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-27 04:33:40,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:40,821 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:40,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:40,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 39 states and 41 transitions. [2018-10-27 04:33:40,978 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2018-10-27 04:33:40,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-27 04:33:40,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:41,055 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:41,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:41,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 40 states and 42 transitions. [2018-10-27 04:33:41,198 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2018-10-27 04:33:41,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-27 04:33:41,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:41,312 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:41,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:41,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 41 states and 43 transitions. [2018-10-27 04:33:41,576 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2018-10-27 04:33:41,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-27 04:33:41,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:41,800 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:41,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:41,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 42 states and 44 transitions. [2018-10-27 04:33:41,947 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2018-10-27 04:33:41,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-27 04:33:41,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:42,050 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:42,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:42,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 43 states and 45 transitions. [2018-10-27 04:33:42,200 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2018-10-27 04:33:42,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-27 04:33:42,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:42,324 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:42,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:42,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 44 states and 46 transitions. [2018-10-27 04:33:42,585 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2018-10-27 04:33:42,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-27 04:33:42,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:42,727 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:42,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:42,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 45 states and 47 transitions. [2018-10-27 04:33:42,928 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2018-10-27 04:33:42,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-27 04:33:42,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:43,484 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:43,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:43,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 46 states and 48 transitions. [2018-10-27 04:33:43,767 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2018-10-27 04:33:43,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-27 04:33:43,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:43,849 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:44,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:44,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 47 states and 49 transitions. [2018-10-27 04:33:44,064 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2018-10-27 04:33:44,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-27 04:33:44,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:44,172 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:44,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 48 states and 50 transitions. [2018-10-27 04:33:44,334 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2018-10-27 04:33:44,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-27 04:33:44,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:44,435 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:44,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:44,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 49 states and 51 transitions. [2018-10-27 04:33:44,601 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2018-10-27 04:33:44,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-27 04:33:44,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:44,893 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:45,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:45,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 50 states and 52 transitions. [2018-10-27 04:33:45,135 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2018-10-27 04:33:45,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-27 04:33:45,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:45,303 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:45,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:45,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 51 states and 53 transitions. [2018-10-27 04:33:45,489 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2018-10-27 04:33:45,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-27 04:33:45,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:45,923 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:46,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:46,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 52 states and 54 transitions. [2018-10-27 04:33:46,367 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2018-10-27 04:33:46,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-27 04:33:46,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:46,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:46,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:46,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 53 states and 55 transitions. [2018-10-27 04:33:46,729 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2018-10-27 04:33:46,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-27 04:33:46,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:46,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:47,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:47,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 54 states and 56 transitions. [2018-10-27 04:33:47,151 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2018-10-27 04:33:47,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-27 04:33:47,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:47,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:47,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:47,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 55 states and 57 transitions. [2018-10-27 04:33:47,578 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2018-10-27 04:33:47,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-27 04:33:47,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:47,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:47,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:47,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 56 states and 58 transitions. [2018-10-27 04:33:47,932 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2018-10-27 04:33:47,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-27 04:33:47,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:48,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:48,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:48,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 57 states and 59 transitions. [2018-10-27 04:33:48,267 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2018-10-27 04:33:48,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-27 04:33:48,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:48,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:48,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:48,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 58 states and 60 transitions. [2018-10-27 04:33:48,591 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2018-10-27 04:33:48,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-27 04:33:48,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:48,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:48,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:48,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 59 states and 61 transitions. [2018-10-27 04:33:48,923 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2018-10-27 04:33:48,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-27 04:33:48,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:49,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:49,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:49,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 60 states and 62 transitions. [2018-10-27 04:33:49,431 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2018-10-27 04:33:49,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-27 04:33:49,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:49,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:49,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:49,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 61 states and 63 transitions. [2018-10-27 04:33:49,781 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2018-10-27 04:33:49,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-27 04:33:49,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:49,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:50,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:50,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 62 states and 64 transitions. [2018-10-27 04:33:50,112 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2018-10-27 04:33:50,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-27 04:33:50,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:50,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:50,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:50,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 63 states and 65 transitions. [2018-10-27 04:33:50,527 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2018-10-27 04:33:50,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-27 04:33:50,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:50,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:50,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:50,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 64 states and 66 transitions. [2018-10-27 04:33:50,843 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2018-10-27 04:33:50,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-27 04:33:50,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:51,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:51,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:51,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 65 states and 67 transitions. [2018-10-27 04:33:51,427 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2018-10-27 04:33:51,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-27 04:33:51,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:51,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:51,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:51,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 66 states and 68 transitions. [2018-10-27 04:33:51,757 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2018-10-27 04:33:51,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-27 04:33:51,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:51,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:52,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:52,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 67 states and 69 transitions. [2018-10-27 04:33:52,139 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2018-10-27 04:33:52,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-27 04:33:52,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:52,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:59,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:59,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 68 states and 70 transitions. [2018-10-27 04:33:59,044 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 70 transitions. [2018-10-27 04:33:59,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-27 04:33:59,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:33:59,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:33:59,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:33:59,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 69 states and 71 transitions. [2018-10-27 04:33:59,725 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 71 transitions. [2018-10-27 04:33:59,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-27 04:33:59,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:33:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:34:01,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:34:01,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:34:01,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 70 states and 72 transitions. [2018-10-27 04:34:01,295 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 72 transitions. [2018-10-27 04:34:01,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-27 04:34:01,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:34:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:34:01,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:34:01,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:34:01,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 71 states and 73 transitions. [2018-10-27 04:34:01,988 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 73 transitions. [2018-10-27 04:34:01,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-27 04:34:01,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:34:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:34:02,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:34:02,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:34:02,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 72 states and 74 transitions. [2018-10-27 04:34:02,500 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2018-10-27 04:34:02,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-27 04:34:02,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:34:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:34:03,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:34:03,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:34:03,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 73 states and 75 transitions. [2018-10-27 04:34:03,544 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2018-10-27 04:34:03,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-27 04:34:03,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:34:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:34:03,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:34:03,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:34:03,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 74 states and 76 transitions. [2018-10-27 04:34:03,905 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2018-10-27 04:34:03,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-27 04:34:03,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:34:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:34:04,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:34:04,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:34:04,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 75 states and 77 transitions. [2018-10-27 04:34:04,272 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 77 transitions. [2018-10-27 04:34:04,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-27 04:34:04,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:34:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:34:04,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:34:04,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:34:04,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 76 states and 78 transitions. [2018-10-27 04:34:04,810 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 78 transitions. [2018-10-27 04:34:04,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-27 04:34:04,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:34:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:34:04,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:34:05,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:34:05,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 77 states and 79 transitions. [2018-10-27 04:34:05,202 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 79 transitions. [2018-10-27 04:34:05,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-27 04:34:05,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:34:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:34:05,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:34:05,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:34:05,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 78 states and 80 transitions. [2018-10-27 04:34:05,719 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2018-10-27 04:34:05,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-27 04:34:05,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:34:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:34:05,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:34:06,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:34:06,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 79 states and 81 transitions. [2018-10-27 04:34:06,261 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 81 transitions. [2018-10-27 04:34:06,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-27 04:34:06,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:34:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:34:06,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:34:06,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:34:06,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 80 states and 82 transitions. [2018-10-27 04:34:06,673 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 82 transitions. [2018-10-27 04:34:06,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-27 04:34:06,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:34:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:34:06,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:34:07,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:34:07,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 81 states and 83 transitions. [2018-10-27 04:34:07,114 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2018-10-27 04:34:07,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-27 04:34:07,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:34:07,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:34:07,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:34:07,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:34:07,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 82 states and 84 transitions. [2018-10-27 04:34:07,561 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 84 transitions. [2018-10-27 04:34:07,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-27 04:34:07,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:34:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:34:07,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:34:08,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:34:08,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 83 states and 85 transitions. [2018-10-27 04:34:08,005 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 85 transitions. [2018-10-27 04:34:08,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-27 04:34:08,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:34:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:34:08,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:34:08,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:34:08,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 84 states and 86 transitions. [2018-10-27 04:34:08,413 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 86 transitions. [2018-10-27 04:34:08,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-27 04:34:08,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:34:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:34:08,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:34:09,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:34:09,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 85 states and 87 transitions. [2018-10-27 04:34:09,190 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 87 transitions. [2018-10-27 04:34:09,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-27 04:34:09,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:34:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:34:09,327 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:34:09,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:34:09,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 86 states and 88 transitions. [2018-10-27 04:34:09,642 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 88 transitions. [2018-10-27 04:34:09,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-27 04:34:09,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:34:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:34:09,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:34:10,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:34:10,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 87 states and 88 transitions. [2018-10-27 04:34:10,088 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2018-10-27 04:34:10,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-27 04:34:10,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 04:34:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:34:10,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2018-10-27 04:34:41,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 04:34:41,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 86 states and 87 transitions. [2018-10-27 04:34:41,968 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 87 transitions. [2018-10-27 04:34:41,969 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 04:34:41,969 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 84 iterations. [2018-10-27 04:34:41,980 INFO L778 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2018-10-27 04:34:42,242 WARN L179 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 6 [2018-10-27 04:34:42,255 INFO L582 CodeCheckObserver]: Invariant with dag size 6 [2018-10-27 04:34:42,258 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-10-27 04:34:42,262 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-10-27 04:34:42,262 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-10-27 04:34:42,263 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-10-27 04:34:42,263 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-10-27 04:34:42,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 04:34:42 ImpRootNode [2018-10-27 04:34:42,264 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 04:34:42,264 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 04:34:42,264 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 04:34:42,264 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 04:34:42,265 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:33:28" (3/4) ... [2018-10-27 04:34:42,267 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 04:34:42,282 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-10-27 04:34:42,282 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-10-27 04:34:42,282 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-10-27 04:34:42,282 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-27 04:34:42,303 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid[cstats := 0] [2018-10-27 04:34:42,303 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-10-27 04:34:42,312 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_120b5364-3473-4324-9383-cb1eee38bb7d/bin-2019/ukojak/witness.graphml [2018-10-27 04:34:42,312 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 04:34:42,313 INFO L168 Benchmark]: Toolchain (without parser) took 74017.87 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 789.6 MB). Free memory was 954.4 MB in the beginning and 986.4 MB in the end (delta: -32.0 MB). Peak memory consumption was 757.6 MB. Max. memory is 11.5 GB. [2018-10-27 04:34:42,313 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 04:34:42,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.24 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 04:34:42,314 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.37 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 04:34:42,314 INFO L168 Benchmark]: Boogie Preprocessor took 18.26 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 04:34:42,315 INFO L168 Benchmark]: RCFGBuilder took 411.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 941.0 MB in the beginning and 1.2 GB in the end (delta: -218.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2018-10-27 04:34:42,315 INFO L168 Benchmark]: CodeCheck took 73333.22 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 612.4 MB). Free memory was 1.2 GB in the beginning and 986.4 MB in the end (delta: 173.4 MB). Peak memory consumption was 785.8 MB. Max. memory is 11.5 GB. [2018-10-27 04:34:42,316 INFO L168 Benchmark]: Witness Printer took 48.05 ms. Allocated memory is still 1.8 GB. Free memory is still 986.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 04:34:42,321 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, 12 locations, 3 error locations. SAFE Result, 73.0s OverallTime, 84 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 8 SDslu, 0 SDs, 0 SdLazy, 1290 SolverSat, 326 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39226 GetRequests, 35236 SyntacticMatches, 3318 SemanticMatches, 672 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191394 ImplicationChecksByTransitivity, 68.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 15.7s InterpolantComputationTime, 3650 NumberOfCodeBlocks, 3650 NumberOfCodeBlocksAsserted, 83 NumberOfCheckSat, 3567 ConstructedInterpolants, 0 QuantifiedInterpolants, 991457 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 83 InterpolantComputations, 4 PerfectInterpolantSequences, 3240/88560 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: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 25]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant [2018-10-27 04:34:42,322 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-10-27 04:34:42,322 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid[cstats := 0] - InvariantResult [Line: 25]: Loop Invariant [2018-10-27 04:34:42,323 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-10-27 04:34:42,328 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 171.24 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.37 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.26 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 411.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 941.0 MB in the beginning and 1.2 GB in the end (delta: -218.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * CodeCheck took 73333.22 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 612.4 MB). Free memory was 1.2 GB in the beginning and 986.4 MB in the end (delta: 173.4 MB). Peak memory consumption was 785.8 MB. Max. memory is 11.5 GB. * Witness Printer took 48.05 ms. Allocated memory is still 1.8 GB. Free memory is still 986.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...