./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memset_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_0a470f36-c5fc-406a-98c8-a5130a970037/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0a470f36-c5fc-406a-98c8-a5130a970037/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0a470f36-c5fc-406a-98c8-a5130a970037/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0a470f36-c5fc-406a-98c8-a5130a970037/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memset_true-valid-memsafety_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0a470f36-c5fc-406a-98c8-a5130a970037/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0a470f36-c5fc-406a-98c8-a5130a970037/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 566f1414dafe692faf7ed7456be2d3e7d288640b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:14:54,302 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:14:54,303 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:14:54,310 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:14:54,310 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:14:54,311 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:14:54,312 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:14:54,313 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:14:54,314 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:14:54,314 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:14:54,315 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:14:54,315 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:14:54,316 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:14:54,317 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:14:54,318 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:14:54,318 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:14:54,319 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:14:54,320 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:14:54,321 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:14:54,322 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:14:54,322 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:14:54,323 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:14:54,324 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:14:54,324 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:14:54,324 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:14:54,324 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:14:54,325 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:14:54,325 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:14:54,326 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:14:54,326 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:14:54,326 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:14:54,327 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:14:54,327 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:14:54,327 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:14:54,328 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:14:54,328 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:14:54,328 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0a470f36-c5fc-406a-98c8-a5130a970037/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-11-10 12:14:54,338 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:14:54,339 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:14:54,340 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:14:54,340 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:14:54,340 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:14:54,340 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:14:54,340 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 12:14:54,340 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:14:54,340 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:14:54,341 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:14:54,341 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-10 12:14:54,341 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-10 12:14:54,341 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-10 12:14:54,341 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:14:54,341 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:14:54,341 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:14:54,342 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:14:54,342 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:14:54,342 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:14:54,342 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:14:54,342 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:14:54,342 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:14:54,342 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:14:54,342 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:14:54,343 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_0a470f36-c5fc-406a-98c8-a5130a970037/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 -> 566f1414dafe692faf7ed7456be2d3e7d288640b [2018-11-10 12:14:54,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:14:54,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:14:54,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:14:54,381 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:14:54,381 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:14:54,382 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0a470f36-c5fc-406a-98c8-a5130a970037/bin-2019/ukojak/../../sv-benchmarks/c/ldv-memsafety/memset_true-valid-memsafety_true-termination.c [2018-11-10 12:14:54,426 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0a470f36-c5fc-406a-98c8-a5130a970037/bin-2019/ukojak/data/954ddccc1/2db789464a5f4f7bb35d61a4ae44b8fb/FLAGbe7f88950 [2018-11-10 12:14:54,766 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:14:54,766 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0a470f36-c5fc-406a-98c8-a5130a970037/sv-benchmarks/c/ldv-memsafety/memset_true-valid-memsafety_true-termination.c [2018-11-10 12:14:54,772 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0a470f36-c5fc-406a-98c8-a5130a970037/bin-2019/ukojak/data/954ddccc1/2db789464a5f4f7bb35d61a4ae44b8fb/FLAGbe7f88950 [2018-11-10 12:14:54,785 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0a470f36-c5fc-406a-98c8-a5130a970037/bin-2019/ukojak/data/954ddccc1/2db789464a5f4f7bb35d61a4ae44b8fb [2018-11-10 12:14:54,788 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:14:54,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:14:54,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:14:54,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:14:54,792 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:14:54,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:14:54" (1/1) ... [2018-11-10 12:14:54,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1114ae3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:54, skipping insertion in model container [2018-11-10 12:14:54,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:14:54" (1/1) ... [2018-11-10 12:14:54,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:14:54,815 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:14:54,913 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:14:54,918 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:14:54,930 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:14:54,940 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:14:54,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:54 WrapperNode [2018-11-10 12:14:54,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:14:54,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:14:54,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:14:54,941 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:14:54,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:54" (1/1) ... [2018-11-10 12:14:54,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:54" (1/1) ... [2018-11-10 12:14:54,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:14:54,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:14:54,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:14:54,965 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:14:54,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:54" (1/1) ... [2018-11-10 12:14:54,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:54" (1/1) ... [2018-11-10 12:14:54,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:54" (1/1) ... [2018-11-10 12:14:54,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:54" (1/1) ... [2018-11-10 12:14:54,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:54" (1/1) ... [2018-11-10 12:14:54,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:54" (1/1) ... [2018-11-10 12:14:54,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:54" (1/1) ... [2018-11-10 12:14:54,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:14:54,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:14:54,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:14:54,979 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:14:54,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:14:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0a470f36-c5fc-406a-98c8-a5130a970037/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 [2018-11-10 12:14:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:14:55,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:14:55,200 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:14:55,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:14:55 BoogieIcfgContainer [2018-11-10 12:14:55,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:14:55,201 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:14:55,201 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:14:55,209 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:14:55,209 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:14:55" (1/1) ... [2018-11-10 12:14:55,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:14:55,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:55,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-10 12:14:55,253 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-10 12:14:55,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-11-10 12:14:55,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:55,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:55,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:55,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-11-10 12:14:55,377 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-11-10 12:14:55,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-10 12:14:55,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:55,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:55,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:55,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-11-10 12:14:55,545 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-11-10 12:14:55,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 12:14:55,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:55,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:55,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:55,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-11-10 12:14:55,824 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-11-10 12:14:55,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 12:14:55,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:55,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:55,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:55,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-10 12:14:55,928 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-10 12:14:55,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 12:14:55,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:55,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:56,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:56,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-11-10 12:14:56,042 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-11-10 12:14:56,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 12:14:56,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:56,086 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:56,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:56,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-11-10 12:14:56,156 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-11-10 12:14:56,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 12:14:56,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:56,199 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:56,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:56,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2018-11-10 12:14:56,273 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2018-11-10 12:14:56,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 12:14:56,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:56,304 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:56,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:56,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-11-10 12:14:56,362 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-11-10 12:14:56,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 12:14:56,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:56,401 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:56,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:56,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-10 12:14:56,467 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-10 12:14:56,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 12:14:56,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:56,506 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:56,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:56,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-11-10 12:14:56,621 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-11-10 12:14:56,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 12:14:56,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:56,677 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:56,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:56,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2018-11-10 12:14:56,784 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-11-10 12:14:56,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 12:14:56,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:56,833 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:56,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:56,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2018-11-10 12:14:56,895 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2018-11-10 12:14:56,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 12:14:56,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:56,943 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:57,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:57,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2018-11-10 12:14:57,019 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-11-10 12:14:57,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:14:57,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:57,098 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:57,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:57,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2018-11-10 12:14:57,177 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2018-11-10 12:14:57,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 12:14:57,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:57,232 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:57,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:57,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2018-11-10 12:14:57,315 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2018-11-10 12:14:57,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 12:14:57,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:57,373 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:57,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:57,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2018-11-10 12:14:57,493 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2018-11-10 12:14:57,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 12:14:57,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:57,569 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:57,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:57,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2018-11-10 12:14:57,662 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-11-10 12:14:57,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 12:14:57,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:57,717 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:57,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:57,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2018-11-10 12:14:57,810 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2018-11-10 12:14:57,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:14:57,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:57,853 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:57,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:57,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2018-11-10 12:14:57,944 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2018-11-10 12:14:57,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 12:14:57,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:57,998 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:58,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:58,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2018-11-10 12:14:58,113 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2018-11-10 12:14:58,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 12:14:58,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:58,166 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:58,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:58,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2018-11-10 12:14:58,277 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2018-11-10 12:14:58,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 12:14:58,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:58,328 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:58,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:58,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2018-11-10 12:14:58,440 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2018-11-10 12:14:58,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 12:14:58,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:58,497 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:58,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:58,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 28 states and 30 transitions. [2018-11-10 12:14:58,614 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2018-11-10 12:14:58,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 12:14:58,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:58,692 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:58,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:58,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2018-11-10 12:14:58,855 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2018-11-10 12:14:58,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 12:14:58,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:58,933 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:59,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:59,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2018-11-10 12:14:59,113 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2018-11-10 12:14:59,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 12:14:59,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:59,181 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:59,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:59,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 31 states and 33 transitions. [2018-11-10 12:14:59,312 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2018-11-10 12:14:59,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 12:14:59,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:59,380 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:59,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:59,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2018-11-10 12:14:59,508 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2018-11-10 12:14:59,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 12:14:59,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:59,581 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:59,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:59,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 33 states and 35 transitions. [2018-11-10 12:14:59,713 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2018-11-10 12:14:59,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 12:14:59,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:59,775 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:14:59,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:14:59,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2018-11-10 12:14:59,886 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2018-11-10 12:14:59,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 12:14:59,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:14:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:14:59,964 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:00,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:00,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 35 states and 37 transitions. [2018-11-10 12:15:00,093 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2018-11-10 12:15:00,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 12:15:00,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:00,161 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:00,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:00,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 36 states and 38 transitions. [2018-11-10 12:15:00,294 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-11-10 12:15:00,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 12:15:00,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:00,351 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:00,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:00,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 37 states and 39 transitions. [2018-11-10 12:15:00,486 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2018-11-10 12:15:00,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 12:15:00,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:00,569 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:00,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:00,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 38 states and 40 transitions. [2018-11-10 12:15:00,718 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2018-11-10 12:15:00,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 12:15:00,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:00,790 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:00,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:00,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 39 states and 41 transitions. [2018-11-10 12:15:00,916 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2018-11-10 12:15:00,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 12:15:00,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:00,992 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:01,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:01,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 40 states and 42 transitions. [2018-11-10 12:15:01,125 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2018-11-10 12:15:01,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 12:15:01,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:01,198 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:01,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:01,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 41 states and 43 transitions. [2018-11-10 12:15:01,343 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2018-11-10 12:15:01,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 12:15:01,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:01,441 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:01,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:01,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 42 states and 44 transitions. [2018-11-10 12:15:01,584 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2018-11-10 12:15:01,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 12:15:01,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:01,661 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:01,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:01,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 43 states and 45 transitions. [2018-11-10 12:15:01,808 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2018-11-10 12:15:01,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 12:15:01,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:01,914 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:02,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:02,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 44 states and 46 transitions. [2018-11-10 12:15:02,130 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2018-11-10 12:15:02,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 12:15:02,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:02,200 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:02,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:02,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 45 states and 47 transitions. [2018-11-10 12:15:02,359 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2018-11-10 12:15:02,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 12:15:02,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:02,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:02,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 46 states and 48 transitions. [2018-11-10 12:15:02,601 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2018-11-10 12:15:02,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 12:15:02,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:02,698 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:02,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:02,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 47 states and 49 transitions. [2018-11-10 12:15:02,854 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2018-11-10 12:15:02,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 12:15:02,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:02,956 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:03,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:03,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 48 states and 50 transitions. [2018-11-10 12:15:03,127 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2018-11-10 12:15:03,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 12:15:03,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:03,211 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:03,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:03,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 49 states and 51 transitions. [2018-11-10 12:15:03,371 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2018-11-10 12:15:03,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 12:15:03,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:03,459 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:03,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:03,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 50 states and 52 transitions. [2018-11-10 12:15:03,611 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2018-11-10 12:15:03,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 12:15:03,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:03,713 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:03,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:03,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 51 states and 53 transitions. [2018-11-10 12:15:03,882 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2018-11-10 12:15:03,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 12:15:03,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:03,972 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:04,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:04,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 52 states and 54 transitions. [2018-11-10 12:15:04,177 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2018-11-10 12:15:04,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 12:15:04,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:04,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:04,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:04,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 53 states and 55 transitions. [2018-11-10 12:15:04,458 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2018-11-10 12:15:04,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 12:15:04,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:04,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:04,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:04,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 54 states and 56 transitions. [2018-11-10 12:15:04,743 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2018-11-10 12:15:04,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 12:15:04,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:04,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:05,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:05,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 55 states and 57 transitions. [2018-11-10 12:15:05,011 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2018-11-10 12:15:05,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 12:15:05,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:05,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:05,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:05,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 56 states and 58 transitions. [2018-11-10 12:15:05,328 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2018-11-10 12:15:05,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 12:15:05,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:05,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:05,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:05,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 57 states and 59 transitions. [2018-11-10 12:15:05,585 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2018-11-10 12:15:05,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 12:15:05,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:05,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:05,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:05,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 58 states and 60 transitions. [2018-11-10 12:15:05,855 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2018-11-10 12:15:05,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-10 12:15:05,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:05,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:06,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:06,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 59 states and 61 transitions. [2018-11-10 12:15:06,128 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2018-11-10 12:15:06,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 12:15:06,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:06,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:06,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:06,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 60 states and 62 transitions. [2018-11-10 12:15:06,390 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2018-11-10 12:15:06,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 12:15:06,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:06,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:06,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:06,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 61 states and 63 transitions. [2018-11-10 12:15:06,666 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2018-11-10 12:15:06,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 12:15:06,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:06,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:06,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:06,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 62 states and 64 transitions. [2018-11-10 12:15:06,952 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2018-11-10 12:15:06,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 12:15:06,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:07,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:07,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:07,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 63 states and 65 transitions. [2018-11-10 12:15:07,254 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2018-11-10 12:15:07,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 12:15:07,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:07,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:07,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:07,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 64 states and 66 transitions. [2018-11-10 12:15:07,609 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2018-11-10 12:15:07,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 12:15:07,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:07,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:07,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:07,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 65 states and 67 transitions. [2018-11-10 12:15:07,917 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2018-11-10 12:15:07,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 12:15:07,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:08,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:08,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:08,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 66 states and 68 transitions. [2018-11-10 12:15:08,253 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2018-11-10 12:15:08,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 12:15:08,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:08,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:08,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:08,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 67 states and 69 transitions. [2018-11-10 12:15:08,612 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2018-11-10 12:15:08,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 12:15:08,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:08,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:08,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:08,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 68 states and 70 transitions. [2018-11-10 12:15:08,947 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 70 transitions. [2018-11-10 12:15:08,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 12:15:08,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:09,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:09,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:09,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 69 states and 71 transitions. [2018-11-10 12:15:09,290 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 71 transitions. [2018-11-10 12:15:09,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-10 12:15:09,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:09,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:09,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:09,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 70 states and 72 transitions. [2018-11-10 12:15:09,670 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 72 transitions. [2018-11-10 12:15:09,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 12:15:09,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:09,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:10,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:10,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 71 states and 73 transitions. [2018-11-10 12:15:10,023 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 73 transitions. [2018-11-10 12:15:10,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 12:15:10,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:10,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:10,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:10,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 72 states and 74 transitions. [2018-11-10 12:15:10,383 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2018-11-10 12:15:10,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 12:15:10,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:10,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:10,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:10,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 73 states and 75 transitions. [2018-11-10 12:15:10,734 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2018-11-10 12:15:10,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 12:15:10,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:10,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:11,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:11,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 74 states and 76 transitions. [2018-11-10 12:15:11,082 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2018-11-10 12:15:11,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 12:15:11,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:11,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:11,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:11,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 75 states and 77 transitions. [2018-11-10 12:15:11,438 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 77 transitions. [2018-11-10 12:15:11,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-10 12:15:11,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:11,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:11,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:11,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 76 states and 78 transitions. [2018-11-10 12:15:11,787 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 78 transitions. [2018-11-10 12:15:11,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-10 12:15:11,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:11,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:12,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:12,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 77 states and 79 transitions. [2018-11-10 12:15:12,143 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 79 transitions. [2018-11-10 12:15:12,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-10 12:15:12,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:12,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:12,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:12,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 78 states and 80 transitions. [2018-11-10 12:15:12,508 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2018-11-10 12:15:12,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-10 12:15:12,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:12,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:12,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:12,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 79 states and 81 transitions. [2018-11-10 12:15:12,884 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 81 transitions. [2018-11-10 12:15:12,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 12:15:12,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:13,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:13,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 80 states and 82 transitions. [2018-11-10 12:15:13,291 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 82 transitions. [2018-11-10 12:15:13,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-10 12:15:13,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:13,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:13,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:13,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 81 states and 83 transitions. [2018-11-10 12:15:13,661 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2018-11-10 12:15:13,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-10 12:15:13,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:13,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:14,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:14,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 82 states and 84 transitions. [2018-11-10 12:15:14,051 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 84 transitions. [2018-11-10 12:15:14,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-10 12:15:14,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:14,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:14,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:14,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 83 states and 85 transitions. [2018-11-10 12:15:14,412 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 85 transitions. [2018-11-10 12:15:14,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-10 12:15:14,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:14,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:14,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:14,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 84 states and 86 transitions. [2018-11-10 12:15:14,792 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 86 transitions. [2018-11-10 12:15:14,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-10 12:15:14,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:14,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:15,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:15,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 85 states and 87 transitions. [2018-11-10 12:15:15,209 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 87 transitions. [2018-11-10 12:15:15,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-10 12:15:15,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:15,332 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:15,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:15,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 86 states and 88 transitions. [2018-11-10 12:15:15,604 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 88 transitions. [2018-11-10 12:15:15,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-10 12:15:15,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:15,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:15:16,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:16,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 87 states and 88 transitions. [2018-11-10 12:15:16,019 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2018-11-10 12:15:16,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-10 12:15:16,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:15:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:15:16,368 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2018-11-10 12:15:44,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:15:44,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 86 states and 87 transitions. [2018-11-10 12:15:44,478 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 87 transitions. [2018-11-10 12:15:44,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:15:44,478 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 84 iterations. [2018-11-10 12:15:44,486 INFO L778 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2018-11-10 12:15:44,669 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 6 [2018-11-10 12:15:44,683 INFO L582 CodeCheckObserver]: Invariant with dag size 6 [2018-11-10 12:15:44,686 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 12:15:44,690 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 12:15:44,690 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-11-10 12:15:44,691 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 12:15:44,691 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 12:15:44,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:15:44 ImpRootNode [2018-11-10 12:15:44,691 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:15:44,692 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:15:44,692 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:15:44,692 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:15:44,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:14:55" (3/4) ... [2018-11-10 12:15:44,694 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:15:44,703 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-11-10 12:15:44,703 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-10 12:15:44,703 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 12:15:44,703 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 12:15:44,724 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid[cstats := 0] [2018-11-10 12:15:44,724 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-11-10 12:15:44,731 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0a470f36-c5fc-406a-98c8-a5130a970037/bin-2019/ukojak/witness.graphml [2018-11-10 12:15:44,732 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:15:44,732 INFO L168 Benchmark]: Toolchain (without parser) took 49944.08 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 890.2 MB). Free memory was 960.3 MB in the beginning and 1.3 GB in the end (delta: -359.0 MB). Peak memory consumption was 531.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:15:44,733 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:15:44,733 INFO L168 Benchmark]: CACSL2BoogieTranslator took 150.87 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:15:44,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.38 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:15:44,734 INFO L168 Benchmark]: Boogie Preprocessor took 13.65 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:15:44,734 INFO L168 Benchmark]: RCFGBuilder took 222.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:15:44,734 INFO L168 Benchmark]: CodeCheck took 49490.53 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 744.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -194.2 MB). Peak memory consumption was 549.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:15:44,735 INFO L168 Benchmark]: Witness Printer took 39.99 ms. Allocated memory is still 1.9 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 142.2 kB). Peak memory consumption was 142.2 kB. Max. memory is 11.5 GB. [2018-11-10 12:15:44,737 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, 49.2s 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, 23.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39226 GetRequests, 35236 SyntacticMatches, 3318 SemanticMatches, 672 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191394 ImplicationChecksByTransitivity, 45.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.5s 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 [2018-11-10 12:15:44,738 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 12:15:44,738 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 [2018-11-10 12:15:44,739 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 12:15:44,739 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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 150.87 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.38 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.65 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 222.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * CodeCheck took 49490.53 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 744.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -194.2 MB). Peak memory consumption was 549.7 MB. Max. memory is 11.5 GB. * Witness Printer took 39.99 ms. Allocated memory is still 1.9 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 142.2 kB). Peak memory consumption was 142.2 kB. 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...