./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label58_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f36626c6-a6ff-41e1-a294-0c7fa9c3b6e0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f36626c6-a6ff-41e1-a294-0c7fa9c3b6e0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f36626c6-a6ff-41e1-a294-0c7fa9c3b6e0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f36626c6-a6ff-41e1-a294-0c7fa9c3b6e0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label58_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f36626c6-a6ff-41e1-a294-0c7fa9c3b6e0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f36626c6-a6ff-41e1-a294-0c7fa9c3b6e0/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d8d538e1ac6fe0032b06b927dcecfa9322a9ca23 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 12:17:48,492 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:17:48,493 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:17:48,499 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:17:48,499 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:17:48,500 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:17:48,500 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:17:48,501 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:17:48,502 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:17:48,502 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:17:48,503 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:17:48,503 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:17:48,503 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:17:48,504 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:17:48,504 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:17:48,505 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:17:48,505 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:17:48,506 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:17:48,507 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:17:48,508 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:17:48,508 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:17:48,509 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:17:48,510 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:17:48,510 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:17:48,510 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:17:48,511 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:17:48,511 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:17:48,511 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:17:48,512 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:17:48,512 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:17:48,513 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:17:48,513 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:17:48,513 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:17:48,513 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:17:48,514 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:17:48,514 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:17:48,514 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f36626c6-a6ff-41e1-a294-0c7fa9c3b6e0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 12:17:48,521 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:17:48,521 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:17:48,522 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:17:48,522 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 12:17:48,522 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:17:48,522 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:17:48,523 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:17:48,523 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:17:48,523 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:17:48,523 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:17:48,523 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:17:48,523 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 12:17:48,523 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:17:48,523 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 12:17:48,523 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:17:48,523 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:17:48,523 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:17:48,523 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 12:17:48,524 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 12:17:48,524 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 12:17:48,524 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:17:48,524 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:17:48,524 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 12:17:48,524 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:17:48,524 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:17:48,524 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 12:17:48,524 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 12:17:48,524 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:17:48,525 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 12:17:48,525 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f36626c6-a6ff-41e1-a294-0c7fa9c3b6e0/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8d538e1ac6fe0032b06b927dcecfa9322a9ca23 [2018-12-08 12:17:48,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:17:48,549 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:17:48,551 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:17:48,552 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:17:48,552 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:17:48,553 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f36626c6-a6ff-41e1-a294-0c7fa9c3b6e0/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label58_true-unreach-call_false-termination.c [2018-12-08 12:17:48,586 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f36626c6-a6ff-41e1-a294-0c7fa9c3b6e0/bin-2019/ukojak/data/9cc1cee27/872f0ee48a154faaad36398eacdaa965/FLAGa9681759f [2018-12-08 12:17:48,965 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:17:48,966 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f36626c6-a6ff-41e1-a294-0c7fa9c3b6e0/sv-benchmarks/c/eca-rers2012/Problem01_label58_true-unreach-call_false-termination.c [2018-12-08 12:17:48,973 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f36626c6-a6ff-41e1-a294-0c7fa9c3b6e0/bin-2019/ukojak/data/9cc1cee27/872f0ee48a154faaad36398eacdaa965/FLAGa9681759f [2018-12-08 12:17:49,327 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f36626c6-a6ff-41e1-a294-0c7fa9c3b6e0/bin-2019/ukojak/data/9cc1cee27/872f0ee48a154faaad36398eacdaa965 [2018-12-08 12:17:49,329 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:17:49,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:17:49,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:17:49,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:17:49,332 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:17:49,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:17:49" (1/1) ... [2018-12-08 12:17:49,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343f3083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:17:49, skipping insertion in model container [2018-12-08 12:17:49,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:17:49" (1/1) ... [2018-12-08 12:17:49,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:17:49,364 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:17:49,538 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:17:49,541 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:17:49,620 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:17:49,629 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:17:49,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:17:49 WrapperNode [2018-12-08 12:17:49,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:17:49,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:17:49,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:17:49,630 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:17:49,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:17:49" (1/1) ... [2018-12-08 12:17:49,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:17:49" (1/1) ... [2018-12-08 12:17:49,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:17:49,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:17:49,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:17:49,670 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:17:49,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:17:49" (1/1) ... [2018-12-08 12:17:49,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:17:49" (1/1) ... [2018-12-08 12:17:49,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:17:49" (1/1) ... [2018-12-08 12:17:49,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:17:49" (1/1) ... [2018-12-08 12:17:49,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:17:49" (1/1) ... [2018-12-08 12:17:49,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:17:49" (1/1) ... [2018-12-08 12:17:49,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:17:49" (1/1) ... [2018-12-08 12:17:49,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:17:49,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:17:49,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:17:49,699 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:17:49,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:17:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f36626c6-a6ff-41e1-a294-0c7fa9c3b6e0/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 12:17:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:17:49,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:17:50,664 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:17:50,664 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 12:17:50,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:17:50 BoogieIcfgContainer [2018-12-08 12:17:50,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:17:50,665 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 12:17:50,665 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 12:17:50,672 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 12:17:50,672 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:17:50" (1/1) ... [2018-12-08 12:17:50,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:17:50,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:50,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-08 12:17:50,705 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-08 12:17:50,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-08 12:17:50,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:50,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:17:51,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:51,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 145 states and 231 transitions. [2018-12-08 12:17:51,187 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 231 transitions. [2018-12-08 12:17:51,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 12:17:51,199 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:51,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:17:51,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:51,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 218 states and 309 transitions. [2018-12-08 12:17:51,663 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 309 transitions. [2018-12-08 12:17:51,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-08 12:17:51,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:51,705 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 12:17:51,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:51,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 219 states and 310 transitions. [2018-12-08 12:17:51,765 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 310 transitions. [2018-12-08 12:17:51,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-08 12:17:51,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:51,810 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:17:51,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:51,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 245 states and 341 transitions. [2018-12-08 12:17:51,959 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 341 transitions. [2018-12-08 12:17:51,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 12:17:51,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:51,982 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:17:52,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:52,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 249 states and 347 transitions. [2018-12-08 12:17:52,104 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 347 transitions. [2018-12-08 12:17:52,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 12:17:52,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:52,146 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 12:17:52,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:52,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 282 states and 387 transitions. [2018-12-08 12:17:52,540 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 387 transitions. [2018-12-08 12:17:52,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-08 12:17:52,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:52,561 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:17:52,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:52,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 314 states and 419 transitions. [2018-12-08 12:17:52,706 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 419 transitions. [2018-12-08 12:17:52,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-08 12:17:52,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:52,745 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:17:52,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:52,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 328 states and 434 transitions. [2018-12-08 12:17:52,812 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 434 transitions. [2018-12-08 12:17:52,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-08 12:17:52,813 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:52,859 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 12:17:53,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:53,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 342 states and 454 transitions. [2018-12-08 12:17:53,106 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 454 transitions. [2018-12-08 12:17:53,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-08 12:17:53,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:53,134 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:17:53,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:53,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 345 states and 458 transitions. [2018-12-08 12:17:53,213 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 458 transitions. [2018-12-08 12:17:53,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-08 12:17:53,214 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:53,235 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:17:53,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:53,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 386 states and 501 transitions. [2018-12-08 12:17:53,487 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 501 transitions. [2018-12-08 12:17:53,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-08 12:17:53,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:53,525 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 12:17:53,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:53,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 388 states and 504 transitions. [2018-12-08 12:17:53,543 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 504 transitions. [2018-12-08 12:17:53,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-08 12:17:53,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:53,591 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:17:53,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:53,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 395 states and 512 transitions. [2018-12-08 12:17:53,630 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 512 transitions. [2018-12-08 12:17:53,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-08 12:17:53,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:53,716 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-08 12:17:53,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:53,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 404 states and 527 transitions. [2018-12-08 12:17:53,997 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 527 transitions. [2018-12-08 12:17:53,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-08 12:17:53,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:54,076 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:17:54,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:54,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 449 states and 580 transitions. [2018-12-08 12:17:54,597 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 580 transitions. [2018-12-08 12:17:54,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-08 12:17:54,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:54,655 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:17:54,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:54,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 486 states and 618 transitions. [2018-12-08 12:17:54,811 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 618 transitions. [2018-12-08 12:17:54,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-08 12:17:54,812 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:54,906 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-08 12:17:55,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:55,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 500 states and 638 transitions. [2018-12-08 12:17:55,242 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 638 transitions. [2018-12-08 12:17:55,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-08 12:17:55,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:55,262 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 12:17:55,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:55,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 509 states and 651 transitions. [2018-12-08 12:17:55,487 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 651 transitions. [2018-12-08 12:17:55,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-08 12:17:55,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:55,506 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 12:17:55,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:55,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 513 states and 654 transitions. [2018-12-08 12:17:55,613 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 654 transitions. [2018-12-08 12:17:55,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-08 12:17:55,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:55,631 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 12:17:55,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:55,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 514 states and 655 transitions. [2018-12-08 12:17:55,765 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 655 transitions. [2018-12-08 12:17:55,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 12:17:55,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:55,820 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:17:56,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:56,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 557 states and 699 transitions. [2018-12-08 12:17:56,053 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 699 transitions. [2018-12-08 12:17:56,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-08 12:17:56,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:56,083 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:17:56,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:56,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 575 states and 717 transitions. [2018-12-08 12:17:56,143 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 717 transitions. [2018-12-08 12:17:56,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 12:17:56,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:56,207 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-08 12:17:56,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:56,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 600 states and 744 transitions. [2018-12-08 12:17:56,667 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 744 transitions. [2018-12-08 12:17:56,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-08 12:17:56,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:56,914 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:17:57,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:57,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 665 states and 813 transitions. [2018-12-08 12:17:57,948 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 813 transitions. [2018-12-08 12:17:57,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 12:17:57,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:58,220 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-08 12:17:58,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:58,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 687 states and 838 transitions. [2018-12-08 12:17:58,799 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 838 transitions. [2018-12-08 12:17:58,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 12:17:58,799 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:58,882 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-08 12:17:59,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:17:59,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 715 states and 873 transitions. [2018-12-08 12:17:59,874 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 873 transitions. [2018-12-08 12:17:59,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 12:17:59,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:17:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:17:59,959 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-08 12:18:00,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:00,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 724 states and 885 transitions. [2018-12-08 12:18:00,608 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 885 transitions. [2018-12-08 12:18:00,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 12:18:00,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:01,173 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 12:18:03,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:03,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 779 states and 945 transitions. [2018-12-08 12:18:03,717 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 945 transitions. [2018-12-08 12:18:03,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 12:18:03,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:04,073 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:18:04,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:04,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 780 states and 954 transitions. [2018-12-08 12:18:04,482 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 954 transitions. [2018-12-08 12:18:04,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 12:18:04,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:04,551 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:18:05,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:05,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 848 states and 1025 transitions. [2018-12-08 12:18:05,498 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1025 transitions. [2018-12-08 12:18:05,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 12:18:05,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:05,520 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 12:18:05,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:05,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 866 states and 1043 transitions. [2018-12-08 12:18:05,568 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1043 transitions. [2018-12-08 12:18:05,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 12:18:05,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:05,599 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 12:18:05,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:05,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 870 states and 1047 transitions. [2018-12-08 12:18:05,700 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1047 transitions. [2018-12-08 12:18:05,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 12:18:05,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:05,818 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:18:06,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:06,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 935 states and 1115 transitions. [2018-12-08 12:18:06,723 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1115 transitions. [2018-12-08 12:18:06,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 12:18:06,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:06,753 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:18:07,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:07,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 956 states and 1136 transitions. [2018-12-08 12:18:07,244 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1136 transitions. [2018-12-08 12:18:07,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-08 12:18:07,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:07,409 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 12:18:08,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:08,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1025 states and 1206 transitions. [2018-12-08 12:18:08,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1206 transitions. [2018-12-08 12:18:08,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-08 12:18:08,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:08,421 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 107 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-08 12:18:09,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:09,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1036 states and 1221 transitions. [2018-12-08 12:18:09,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1221 transitions. [2018-12-08 12:18:09,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-08 12:18:09,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:09,042 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 12:18:09,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:09,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1038 states and 1224 transitions. [2018-12-08 12:18:09,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1224 transitions. [2018-12-08 12:18:09,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 12:18:09,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:09,280 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-08 12:18:09,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:09,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1105 states and 1293 transitions. [2018-12-08 12:18:09,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1293 transitions. [2018-12-08 12:18:09,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-08 12:18:09,592 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:09,710 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 12:18:10,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:10,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1144 states and 1343 transitions. [2018-12-08 12:18:10,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1343 transitions. [2018-12-08 12:18:10,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-08 12:18:10,430 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:10,489 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 12:18:10,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:10,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1147 states and 1347 transitions. [2018-12-08 12:18:10,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1347 transitions. [2018-12-08 12:18:10,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 12:18:10,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:11,148 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:18:16,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:16,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1216 states and 1429 transitions. [2018-12-08 12:18:16,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1429 transitions. [2018-12-08 12:18:16,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 12:18:16,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:16,826 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:18:18,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:18,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1241 states and 1455 transitions. [2018-12-08 12:18:18,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1455 transitions. [2018-12-08 12:18:18,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 12:18:18,735 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:18,827 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:18:19,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:19,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1252 states and 1469 transitions. [2018-12-08 12:18:19,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1469 transitions. [2018-12-08 12:18:19,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 12:18:19,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:19,711 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:18:20,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:20,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1268 states and 1486 transitions. [2018-12-08 12:18:20,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1486 transitions. [2018-12-08 12:18:20,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-08 12:18:20,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:20,879 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 12:18:21,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:21,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1280 states and 1497 transitions. [2018-12-08 12:18:21,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1497 transitions. [2018-12-08 12:18:21,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 12:18:21,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:22,635 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 12:18:24,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:24,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1313 states and 1533 transitions. [2018-12-08 12:18:24,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1533 transitions. [2018-12-08 12:18:24,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 12:18:24,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:25,051 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 12:18:26,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:26,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1338 states and 1560 transitions. [2018-12-08 12:18:26,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1560 transitions. [2018-12-08 12:18:26,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 12:18:26,823 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:26,944 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 12:18:27,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:27,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1358 states and 1580 transitions. [2018-12-08 12:18:27,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1580 transitions. [2018-12-08 12:18:27,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-08 12:18:27,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:27,904 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-08 12:18:28,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:28,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1361 states and 1586 transitions. [2018-12-08 12:18:28,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1586 transitions. [2018-12-08 12:18:28,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 12:18:28,488 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:28,907 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 173 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-08 12:18:29,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:29,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1371 states and 1600 transitions. [2018-12-08 12:18:29,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1600 transitions. [2018-12-08 12:18:29,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 12:18:29,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:30,594 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:18:32,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:32,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1440 states and 1680 transitions. [2018-12-08 12:18:32,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1680 transitions. [2018-12-08 12:18:32,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-08 12:18:32,726 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:32,778 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-08 12:18:33,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:33,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1442 states and 1684 transitions. [2018-12-08 12:18:33,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1684 transitions. [2018-12-08 12:18:33,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 12:18:33,150 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:33,825 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 12:18:35,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:35,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1446 states and 1690 transitions. [2018-12-08 12:18:35,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1690 transitions. [2018-12-08 12:18:35,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 12:18:35,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:35,372 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-08 12:18:36,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:36,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1516 states and 1764 transitions. [2018-12-08 12:18:36,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1764 transitions. [2018-12-08 12:18:36,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-08 12:18:36,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:36,058 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-08 12:18:36,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:36,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1517 states and 1764 transitions. [2018-12-08 12:18:36,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1764 transitions. [2018-12-08 12:18:36,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-08 12:18:36,092 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:36,460 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-08 12:18:38,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:38,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1526 states and 1778 transitions. [2018-12-08 12:18:38,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1778 transitions. [2018-12-08 12:18:38,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-08 12:18:38,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:38,120 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 12:18:38,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:38,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1529 states and 1783 transitions. [2018-12-08 12:18:38,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1783 transitions. [2018-12-08 12:18:38,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-08 12:18:38,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:38,613 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-08 12:18:40,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:40,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1619 states and 1879 transitions. [2018-12-08 12:18:40,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 1879 transitions. [2018-12-08 12:18:40,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-08 12:18:40,740 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:41,787 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-08 12:18:45,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:45,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1679 states and 1939 transitions. [2018-12-08 12:18:45,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 1939 transitions. [2018-12-08 12:18:45,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-08 12:18:45,776 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:46,188 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 62 proven. 263 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 12:18:53,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:53,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 1794 states and 2066 transitions. [2018-12-08 12:18:53,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2066 transitions. [2018-12-08 12:18:53,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-08 12:18:53,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:53,087 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 206 proven. 69 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-08 12:18:55,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:55,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 1864 states and 2139 transitions. [2018-12-08 12:18:55,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 2139 transitions. [2018-12-08 12:18:55,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 12:18:55,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:55,668 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 12:18:57,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 1868 states and 2147 transitions. [2018-12-08 12:18:57,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2147 transitions. [2018-12-08 12:18:57,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 12:18:57,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:57,572 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 12:18:58,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:18:58,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 1875 states and 2157 transitions. [2018-12-08 12:18:58,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2157 transitions. [2018-12-08 12:18:58,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 12:18:58,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:18:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:18:58,894 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 12:19:00,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:19:00,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 1886 states and 2168 transitions. [2018-12-08 12:19:00,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2168 transitions. [2018-12-08 12:19:00,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-08 12:19:00,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:19:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:19:01,653 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-08 12:19:05,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:19:05,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 1922 states and 2207 transitions. [2018-12-08 12:19:05,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2207 transitions. [2018-12-08 12:19:05,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-08 12:19:05,661 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:19:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:19:07,597 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 12:19:16,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:19:16,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 1950 states and 2241 transitions. [2018-12-08 12:19:16,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 2241 transitions. [2018-12-08 12:19:16,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-08 12:19:16,082 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:19:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:19:16,231 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 12:19:16,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:19:16,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 1951 states and 2242 transitions. [2018-12-08 12:19:16,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2242 transitions. [2018-12-08 12:19:16,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-08 12:19:16,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:19:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:19:16,879 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 12:19:18,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:19:18,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 1976 states and 2269 transitions. [2018-12-08 12:19:18,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2269 transitions. [2018-12-08 12:19:18,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-08 12:19:18,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:19:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:19:18,946 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 12:19:19,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:19:19,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 1978 states and 2273 transitions. [2018-12-08 12:19:19,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2273 transitions. [2018-12-08 12:19:19,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 12:19:19,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:19:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:19:21,142 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 12:19:22,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:19:22,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 1979 states and 2275 transitions. [2018-12-08 12:19:22,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2275 transitions. [2018-12-08 12:19:22,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 12:19:22,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:19:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:19:22,611 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 12:19:27,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:19:27,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 2030 states and 2327 transitions. [2018-12-08 12:19:27,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 2327 transitions. [2018-12-08 12:19:27,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 12:19:27,560 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:19:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:19:27,693 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 12:19:30,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:19:30,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 2052 states and 2348 transitions. [2018-12-08 12:19:30,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 2348 transitions. [2018-12-08 12:19:30,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-08 12:19:30,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:19:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:19:30,175 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-08 12:19:30,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:19:30,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2054 states and 2349 transitions. [2018-12-08 12:19:30,666 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2349 transitions. [2018-12-08 12:19:30,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-08 12:19:30,667 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:19:30,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:19:31,238 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 12:19:35,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:19:35,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 2072 states and 2373 transitions. [2018-12-08 12:19:35,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 2373 transitions. [2018-12-08 12:19:35,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-08 12:19:35,889 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:19:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:19:36,204 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 12:19:37,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:19:37,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 2073 states and 2374 transitions. [2018-12-08 12:19:37,365 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states and 2374 transitions. [2018-12-08 12:19:37,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-08 12:19:37,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:19:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:19:37,671 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 12:19:38,353 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2018-12-08 12:19:39,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:19:39,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2075 states and 2376 transitions. [2018-12-08 12:19:39,188 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2376 transitions. [2018-12-08 12:19:39,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-08 12:19:39,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:19:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:19:39,885 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 351 proven. 20 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-12-08 12:19:42,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:19:42,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2398 states to 2095 states and 2398 transitions. [2018-12-08 12:19:42,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 2398 transitions. [2018-12-08 12:19:42,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-08 12:19:42,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:19:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:19:43,237 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 397 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-12-08 12:19:52,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:19:52,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2223 states and 2558 transitions. [2018-12-08 12:19:52,122 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2558 transitions. [2018-12-08 12:19:52,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-08 12:19:52,124 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:19:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:19:52,716 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 502 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 12:19:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:19:56,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2310 states and 2650 transitions. [2018-12-08 12:19:56,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 2650 transitions. [2018-12-08 12:19:56,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-08 12:19:56,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:19:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:19:57,540 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 12:19:58,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:19:58,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 2379 states and 2720 transitions. [2018-12-08 12:19:58,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2379 states and 2720 transitions. [2018-12-08 12:19:58,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-08 12:19:58,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:19:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:20:00,154 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 12:20:01,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:20:01,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2380 states and 2722 transitions. [2018-12-08 12:20:01,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2380 states and 2722 transitions. [2018-12-08 12:20:01,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-08 12:20:01,676 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:20:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:20:01,849 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 12:20:10,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:20:10,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2433 states and 2779 transitions. [2018-12-08 12:20:10,095 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 2779 transitions. [2018-12-08 12:20:10,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-08 12:20:10,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:20:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:20:10,271 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 12:20:13,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:20:13,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2440 states and 2785 transitions. [2018-12-08 12:20:13,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2440 states and 2785 transitions. [2018-12-08 12:20:13,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-12-08 12:20:13,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:20:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:20:13,764 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 472 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-08 12:20:15,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:20:15,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2789 states to 2444 states and 2789 transitions. [2018-12-08 12:20:15,058 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 2789 transitions. [2018-12-08 12:20:15,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-12-08 12:20:15,062 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:20:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:20:15,154 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 472 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-08 12:20:15,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:20:15,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2445 states and 2791 transitions. [2018-12-08 12:20:15,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 2791 transitions. [2018-12-08 12:20:15,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-12-08 12:20:15,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:20:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:20:15,415 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 472 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-08 12:20:15,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:20:15,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2448 states and 2793 transitions. [2018-12-08 12:20:15,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 2793 transitions. [2018-12-08 12:20:15,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-08 12:20:15,783 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:20:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:20:16,080 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 424 proven. 104 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-08 12:20:16,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:20:16,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 2452 states and 2798 transitions. [2018-12-08 12:20:16,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2452 states and 2798 transitions. [2018-12-08 12:20:16,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-08 12:20:16,651 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:20:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:20:17,113 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-08 12:20:24,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:20:24,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2579 states and 2934 transitions. [2018-12-08 12:20:24,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2579 states and 2934 transitions. [2018-12-08 12:20:24,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-08 12:20:24,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:20:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:20:24,634 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 15 proven. 370 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2018-12-08 12:20:28,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:20:28,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 2647 states and 3017 transitions. [2018-12-08 12:20:28,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 3017 transitions. [2018-12-08 12:20:28,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2018-12-08 12:20:28,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:20:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:20:28,682 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 551 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-08 12:20:28,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:20:28,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 2649 states and 3024 transitions. [2018-12-08 12:20:28,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2649 states and 3024 transitions. [2018-12-08 12:20:28,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-08 12:20:28,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:20:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:20:29,138 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 542 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-12-08 12:20:34,244 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-12-08 12:20:36,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:20:36,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3071 states to 2697 states and 3071 transitions. [2018-12-08 12:20:36,510 INFO L276 IsEmpty]: Start isEmpty. Operand 2697 states and 3071 transitions. [2018-12-08 12:20:36,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-12-08 12:20:36,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:20:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:20:36,578 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 593 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2018-12-08 12:20:37,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:20:37,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3078 states to 2701 states and 3078 transitions. [2018-12-08 12:20:37,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 3078 transitions. [2018-12-08 12:20:37,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-12-08 12:20:37,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:20:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:20:39,438 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 12:20:49,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:20:49,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 2790 states and 3176 transitions. [2018-12-08 12:20:49,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3176 transitions. [2018-12-08 12:20:49,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2018-12-08 12:20:49,429 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:20:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:20:49,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 15 proven. 501 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2018-12-08 12:20:52,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:20:52,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 2807 states and 3194 transitions. [2018-12-08 12:20:52,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 3194 transitions. [2018-12-08 12:20:52,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-12-08 12:20:52,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:20:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:20:53,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 15 proven. 632 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2018-12-08 12:20:56,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:20:56,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3264 states to 2876 states and 3264 transitions. [2018-12-08 12:20:56,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 3264 transitions. [2018-12-08 12:20:56,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-12-08 12:20:56,223 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:20:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:20:56,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 15 proven. 632 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2018-12-08 12:20:59,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:20:59,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2593 states and 2962 transitions. [2018-12-08 12:20:59,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2593 states and 2962 transitions. [2018-12-08 12:20:59,183 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 12:20:59,183 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 97 iterations. [2018-12-08 12:20:59,188 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 12:20:59,329 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 38 [2018-12-08 12:20:59,441 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 38 [2018-12-08 12:20:59,658 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 50 [2018-12-08 12:20:59,801 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 38 [2018-12-08 12:21:00,034 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 50 [2018-12-08 12:21:00,289 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 49 [2018-12-08 12:21:00,445 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 36 [2018-12-08 12:21:00,617 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 42 [2018-12-08 12:21:00,813 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 50 [2018-12-08 12:21:01,125 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 36 [2018-12-08 12:21:01,362 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 49 [2018-12-08 12:21:01,556 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 42 [2018-12-08 12:21:01,855 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 42 [2018-12-08 12:21:02,129 WARN L180 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 51 [2018-12-08 12:21:02,514 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 49 [2018-12-08 12:21:02,804 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 50 [2018-12-08 12:21:02,929 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 38 [2018-12-08 12:21:03,131 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 50 [2018-12-08 12:21:03,329 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 49 [2018-12-08 12:21:03,526 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 38 [2018-12-08 12:21:03,655 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 35 [2018-12-08 12:21:03,761 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 35 [2018-12-08 12:21:03,966 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 38 [2018-12-08 12:21:04,152 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 38 [2018-12-08 12:21:04,271 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 35 [2018-12-08 12:21:04,461 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 35 [2018-12-08 12:21:04,693 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 49 [2018-12-08 12:21:04,965 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 42 [2018-12-08 12:21:05,293 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 49 [2018-12-08 12:21:05,536 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 49 [2018-12-08 12:21:05,736 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 49 [2018-12-08 12:21:06,073 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 48 [2018-12-08 12:21:06,219 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 36 [2018-12-08 12:21:06,389 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 38 [2018-12-08 12:21:06,595 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 38 [2018-12-08 12:21:06,769 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 38 [2018-12-08 12:21:07,010 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 51 [2018-12-08 12:21:07,432 WARN L180 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2018-12-08 12:21:07,666 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 38 [2018-12-08 12:21:07,776 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 38 [2018-12-08 12:21:07,952 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 48 [2018-12-08 12:21:08,189 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 50 [2018-12-08 12:21:08,391 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 50 [2018-12-08 12:21:08,585 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 49 [2018-12-08 12:21:08,740 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 42 [2018-12-08 12:21:08,740 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:21:08,742 INFO L583 CodeCheckObserver]: Invariant with dag size 36 [2018-12-08 12:21:08,747 INFO L583 CodeCheckObserver]: Invariant with dag size 36 [2018-12-08 12:21:08,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 12:21:08 ImpRootNode [2018-12-08 12:21:08,748 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 12:21:08,748 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:21:08,748 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:21:08,748 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:21:08,748 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:17:50" (3/4) ... [2018-12-08 12:21:08,751 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 12:21:08,764 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 100 nodes and edges [2018-12-08 12:21:08,765 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-08 12:21:08,766 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-08 12:21:08,841 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f36626c6-a6ff-41e1-a294-0c7fa9c3b6e0/bin-2019/ukojak/witness.graphml [2018-12-08 12:21:08,841 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:21:08,842 INFO L168 Benchmark]: Toolchain (without parser) took 199512.59 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 878.7 MB). Free memory was 950.6 MB in the beginning and 922.1 MB in the end (delta: 28.6 MB). Peak memory consumption was 907.3 MB. Max. memory is 11.5 GB. [2018-12-08 12:21:08,842 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:21:08,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. [2018-12-08 12:21:08,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-12-08 12:21:08,842 INFO L168 Benchmark]: Boogie Preprocessor took 28.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-08 12:21:08,843 INFO L168 Benchmark]: RCFGBuilder took 966.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.8 MB in the end (delta: 208.4 MB). Peak memory consumption was 208.4 MB. Max. memory is 11.5 GB. [2018-12-08 12:21:08,843 INFO L168 Benchmark]: CodeCheck took 198082.71 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 734.0 MB). Free memory was 908.8 MB in the beginning and 942.1 MB in the end (delta: -33.3 MB). Peak memory consumption was 964.7 MB. Max. memory is 11.5 GB. [2018-12-08 12:21:08,843 INFO L168 Benchmark]: Witness Printer took 92.96 ms. Allocated memory is still 1.9 GB. Free memory was 942.1 MB in the beginning and 922.1 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-12-08 12:21:08,845 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, 198 locations, 1 error locations. SAFE Result, 188.4s OverallTime, 97 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 358878828 SDtfs, 2100378130 SDslu, -1975657566 SDs, 0 SdLazy, 1375074968 SolverSat, 1918905376 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 361.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134603 GetRequests, 128966 SyntacticMatches, 4291 SemanticMatches, 1346 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1493577 ImplicationChecksByTransitivity, 167.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 22.9s InterpolantComputationTime, 20569 NumberOfCodeBlocks, 20569 NumberOfCodeBlocksAsserted, 96 NumberOfCheckSat, 20473 ConstructedInterpolants, 0 QuantifiedInterpolants, 35159156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 96 InterpolantComputations, 75 PerfectInterpolantSequences, 26415/29227 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: 473]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((a16 == 5 || a20 == 1) || a8 == 15) || ((((((a16 == 4 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) && a7 <= 0)) || (((((!(a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a21 == 1) && !(a17 == 1))) || ((((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a17 == 1) && a12 == 8) && a20 <= 0)) || ((((((a7 == 1 && a16 == 4) && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((a16 == 5 || a20 == 1) || (((((!(a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a21 == 1) && !(a17 == 1))) || a8 == 15) || ((((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a17 == 1) && a12 == 8) && a20 <= 0)) || ((((((a16 == 4 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) && a7 <= 0)) || ((((((a7 == 1 && a16 == 4) && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 299.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 966.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.8 MB in the end (delta: 208.4 MB). Peak memory consumption was 208.4 MB. Max. memory is 11.5 GB. * CodeCheck took 198082.71 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 734.0 MB). Free memory was 908.8 MB in the beginning and 942.1 MB in the end (delta: -33.3 MB). Peak memory consumption was 964.7 MB. Max. memory is 11.5 GB. * Witness Printer took 92.96 ms. Allocated memory is still 1.9 GB. Free memory was 942.1 MB in the beginning and 922.1 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...