./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bf2ee014-a711-4a16-8085-47d963cb85d2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bf2ee014-a711-4a16-8085-47d963cb85d2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bf2ee014-a711-4a16-8085-47d963cb85d2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bf2ee014-a711-4a16-8085-47d963cb85d2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bf2ee014-a711-4a16-8085-47d963cb85d2/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bf2ee014-a711-4a16-8085-47d963cb85d2/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0564e568992a96ba006237c1af458e049de52506 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:59:58,959 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:59:58,960 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:59:58,967 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:59:58,967 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:59:58,968 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:59:58,968 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:59:58,969 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:59:58,970 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:59:58,971 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:59:58,972 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:59:58,972 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:59:58,972 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:59:58,973 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:59:58,974 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:59:58,974 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:59:58,975 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:59:58,976 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:59:58,977 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:59:58,978 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:59:58,979 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:59:58,980 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:59:58,981 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:59:58,981 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:59:58,981 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:59:58,982 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:59:58,983 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:59:58,983 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:59:58,984 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:59:58,984 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:59:58,985 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:59:58,985 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:59:58,985 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:59:58,985 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:59:58,986 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:59:58,986 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:59:58,987 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bf2ee014-a711-4a16-8085-47d963cb85d2/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 11:59:58,996 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:59:58,996 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:59:58,996 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:59:58,997 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:59:58,997 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:59:58,997 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:59:58,997 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:59:58,997 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:59:58,998 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:59:58,998 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:59:58,998 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:59:58,998 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:59:58,998 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:59:58,998 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 11:59:58,998 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:59:58,998 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:59:58,999 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:59:58,999 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:59:58,999 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:59:58,999 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:59:58,999 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:59:58,999 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:59:58,999 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:59:59,000 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:59:59,000 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:59:59,000 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:59:59,000 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:59:59,000 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:59:59,000 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_bf2ee014-a711-4a16-8085-47d963cb85d2/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0564e568992a96ba006237c1af458e049de52506 [2018-11-18 11:59:59,022 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:59:59,030 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:59:59,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:59:59,033 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:59:59,033 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:59:59,033 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bf2ee014-a711-4a16-8085-47d963cb85d2/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1_true-termination_true-no-overflow.c [2018-11-18 11:59:59,068 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bf2ee014-a711-4a16-8085-47d963cb85d2/bin-2019/ukojak/data/4acee7d82/2d9701b7b09646e78129b06df8a5863b/FLAGbef310864 [2018-11-18 11:59:59,464 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:59:59,464 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bf2ee014-a711-4a16-8085-47d963cb85d2/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1_true-termination_true-no-overflow.c [2018-11-18 11:59:59,468 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bf2ee014-a711-4a16-8085-47d963cb85d2/bin-2019/ukojak/data/4acee7d82/2d9701b7b09646e78129b06df8a5863b/FLAGbef310864 [2018-11-18 11:59:59,477 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bf2ee014-a711-4a16-8085-47d963cb85d2/bin-2019/ukojak/data/4acee7d82/2d9701b7b09646e78129b06df8a5863b [2018-11-18 11:59:59,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:59:59,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:59:59,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:59:59,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:59:59,484 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:59:59,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:59:59" (1/1) ... [2018-11-18 11:59:59,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da0b297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:59, skipping insertion in model container [2018-11-18 11:59:59,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:59:59" (1/1) ... [2018-11-18 11:59:59,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:59:59,500 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:59:59,593 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:59:59,595 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:59:59,603 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:59:59,610 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:59:59,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:59 WrapperNode [2018-11-18 11:59:59,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:59:59,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:59:59,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:59:59,611 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:59:59,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:59" (1/1) ... [2018-11-18 11:59:59,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:59" (1/1) ... [2018-11-18 11:59:59,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:59:59,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:59:59,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:59:59,628 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:59:59,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:59" (1/1) ... [2018-11-18 11:59:59,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:59" (1/1) ... [2018-11-18 11:59:59,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:59" (1/1) ... [2018-11-18 11:59:59,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:59" (1/1) ... [2018-11-18 11:59:59,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:59" (1/1) ... [2018-11-18 11:59:59,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:59" (1/1) ... [2018-11-18 11:59:59,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:59" (1/1) ... [2018-11-18 11:59:59,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:59:59,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:59:59,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:59:59,638 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:59:59,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:59:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf2ee014-a711-4a16-8085-47d963cb85d2/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:59:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:59:59,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:59:59,795 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:59:59,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:59:59 BoogieIcfgContainer [2018-11-18 11:59:59,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:59:59,795 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:59:59,795 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:59:59,804 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:59:59,804 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:59:59" (1/1) ... [2018-11-18 11:59:59,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:59:59,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:59:59,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-11-18 11:59:59,843 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-11-18 11:59:59,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-18 11:59:59,844 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:59:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:59:59,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:59:59,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:59:59,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2018-11-18 11:59:59,966 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-11-18 11:59:59,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 11:59:59,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:59:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:59:59,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:00,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:00,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2018-11-18 12:00:00,141 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2018-11-18 12:00:00,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 12:00:00,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:00,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:00,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:00,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2018-11-18 12:00:00,272 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-11-18 12:00:00,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 12:00:00,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:00,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:00,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:00,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2018-11-18 12:00:00,568 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2018-11-18 12:00:00,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 12:00:00,568 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:00,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:00,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:00,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2018-11-18 12:00:00,845 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2018-11-18 12:00:00,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 12:00:00,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:00,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:01,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:01,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2018-11-18 12:00:01,062 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2018-11-18 12:00:01,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 12:00:01,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:01,076 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:01,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2018-11-18 12:00:01,237 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2018-11-18 12:00:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 12:00:01,238 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:01,247 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:01,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:01,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2018-11-18 12:00:01,326 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2018-11-18 12:00:01,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 12:00:01,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:01,371 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:00:01,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:01,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2018-11-18 12:00:01,614 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2018-11-18 12:00:01,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:00:01,614 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:01,752 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:02,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:02,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 74 transitions. [2018-11-18 12:00:02,174 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2018-11-18 12:00:02,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:00:02,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:02,189 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:02,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:02,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2018-11-18 12:00:02,404 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2018-11-18 12:00:02,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:00:02,405 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:02,464 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:02,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:02,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2018-11-18 12:00:02,749 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2018-11-18 12:00:02,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:00:02,749 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:02,763 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:02,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:02,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 59 states and 101 transitions. [2018-11-18 12:00:02,948 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 101 transitions. [2018-11-18 12:00:02,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:00:02,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:02,960 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:03,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:03,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 103 transitions. [2018-11-18 12:00:03,150 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 103 transitions. [2018-11-18 12:00:03,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:00:03,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:03,160 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:03,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:03,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 63 states and 104 transitions. [2018-11-18 12:00:03,258 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 104 transitions. [2018-11-18 12:00:03,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:00:03,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:03,266 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 12:00:03,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:03,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 63 states and 103 transitions. [2018-11-18 12:00:03,483 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 103 transitions. [2018-11-18 12:00:03,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:00:03,483 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:03,491 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 12:00:03,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:03,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 64 states and 104 transitions. [2018-11-18 12:00:03,699 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 104 transitions. [2018-11-18 12:00:03,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:00:03,699 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:03,892 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:04,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:04,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 69 states and 110 transitions. [2018-11-18 12:00:04,386 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 110 transitions. [2018-11-18 12:00:04,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:00:04,387 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:04,406 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:05,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:05,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 75 states and 123 transitions. [2018-11-18 12:00:05,056 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 123 transitions. [2018-11-18 12:00:05,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:00:05,056 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:05,091 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:05,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:05,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 75 states and 122 transitions. [2018-11-18 12:00:05,251 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 122 transitions. [2018-11-18 12:00:05,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 12:00:05,252 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:05,355 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:00:05,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:05,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 79 states and 138 transitions. [2018-11-18 12:00:05,721 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 138 transitions. [2018-11-18 12:00:05,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:00:05,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:05,763 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:06,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:06,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 85 states and 154 transitions. [2018-11-18 12:00:06,188 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 154 transitions. [2018-11-18 12:00:06,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:00:06,188 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:06,194 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:06,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:06,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 87 states and 156 transitions. [2018-11-18 12:00:06,438 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 156 transitions. [2018-11-18 12:00:06,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:00:06,438 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:06,446 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:06,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:06,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 89 states and 157 transitions. [2018-11-18 12:00:06,578 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 157 transitions. [2018-11-18 12:00:06,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:00:06,578 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:06,586 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:06,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:06,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 91 states and 158 transitions. [2018-11-18 12:00:06,720 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 158 transitions. [2018-11-18 12:00:06,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 12:00:06,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:06,725 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 12:00:06,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:06,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 91 states and 157 transitions. [2018-11-18 12:00:06,986 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 157 transitions. [2018-11-18 12:00:06,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 12:00:06,986 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:07,160 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:07,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:07,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 94 states and 161 transitions. [2018-11-18 12:00:07,677 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 161 transitions. [2018-11-18 12:00:07,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 12:00:07,677 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:07,751 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:08,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:08,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 96 states and 172 transitions. [2018-11-18 12:00:08,140 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 172 transitions. [2018-11-18 12:00:08,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 12:00:08,141 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:08,196 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:08,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:08,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 95 states and 170 transitions. [2018-11-18 12:00:08,336 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 170 transitions. [2018-11-18 12:00:08,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 12:00:08,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:08,396 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:08,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:08,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 95 states and 166 transitions. [2018-11-18 12:00:08,502 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 166 transitions. [2018-11-18 12:00:08,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 12:00:08,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:08,508 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 12:00:08,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:08,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 95 states and 165 transitions. [2018-11-18 12:00:08,697 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 165 transitions. [2018-11-18 12:00:08,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 12:00:08,698 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:08,752 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:09,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:09,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 101 states and 184 transitions. [2018-11-18 12:00:09,517 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 184 transitions. [2018-11-18 12:00:09,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 12:00:09,517 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:09,527 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:09,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:09,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 104 states and 185 transitions. [2018-11-18 12:00:09,889 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 185 transitions. [2018-11-18 12:00:09,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 12:00:09,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:09,896 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:10,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:10,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 106 states and 186 transitions. [2018-11-18 12:00:10,069 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 186 transitions. [2018-11-18 12:00:10,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 12:00:10,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:10,077 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:10,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:10,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 108 states and 187 transitions. [2018-11-18 12:00:10,245 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 187 transitions. [2018-11-18 12:00:10,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 12:00:10,245 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:10,589 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:11,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:11,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 111 states and 191 transitions. [2018-11-18 12:00:11,267 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 191 transitions. [2018-11-18 12:00:11,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 12:00:11,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:11,322 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:11,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:11,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 114 states and 198 transitions. [2018-11-18 12:00:11,722 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 198 transitions. [2018-11-18 12:00:11,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 12:00:11,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:11,783 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:12,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:12,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 114 states and 196 transitions. [2018-11-18 12:00:12,022 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 196 transitions. [2018-11-18 12:00:12,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 12:00:12,023 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:12,108 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:12,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:12,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 120 states and 214 transitions. [2018-11-18 12:00:12,765 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 214 transitions. [2018-11-18 12:00:12,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 12:00:12,766 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:12,776 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:13,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:13,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 122 states and 216 transitions. [2018-11-18 12:00:13,132 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 216 transitions. [2018-11-18 12:00:13,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 12:00:13,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:13,142 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:13,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:13,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 124 states and 217 transitions. [2018-11-18 12:00:13,354 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 217 transitions. [2018-11-18 12:00:13,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 12:00:13,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:13,364 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:13,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:13,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 126 states and 218 transitions. [2018-11-18 12:00:13,579 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 218 transitions. [2018-11-18 12:00:13,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 12:00:13,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:13,935 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 48 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:14,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:14,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 131 states and 220 transitions. [2018-11-18 12:00:14,992 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 220 transitions. [2018-11-18 12:00:14,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 12:00:14,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:15,059 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:15,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:15,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 137 states and 238 transitions. [2018-11-18 12:00:15,743 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 238 transitions. [2018-11-18 12:00:15,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 12:00:15,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:15,752 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:15,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:15,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 139 states and 239 transitions. [2018-11-18 12:00:15,955 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 239 transitions. [2018-11-18 12:00:15,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 12:00:15,955 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:15,964 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:16,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:16,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 141 states and 240 transitions. [2018-11-18 12:00:16,183 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 240 transitions. [2018-11-18 12:00:16,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 12:00:16,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:16,191 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:16,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:16,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 143 states and 242 transitions. [2018-11-18 12:00:16,644 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 242 transitions. [2018-11-18 12:00:16,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 12:00:16,645 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:17,018 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 108 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:17,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:17,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 145 states and 244 transitions. [2018-11-18 12:00:17,634 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2018-11-18 12:00:17,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 12:00:17,634 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 108 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:18,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:18,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 144 states and 241 transitions. [2018-11-18 12:00:18,140 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 241 transitions. [2018-11-18 12:00:18,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 12:00:18,141 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:18,234 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:19,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:19,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 150 states and 259 transitions. [2018-11-18 12:00:19,072 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 259 transitions. [2018-11-18 12:00:19,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 12:00:19,072 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:19,081 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:19,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:19,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 153 states and 261 transitions. [2018-11-18 12:00:19,698 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 261 transitions. [2018-11-18 12:00:19,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 12:00:19,698 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:19,705 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:19,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:19,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 155 states and 262 transitions. [2018-11-18 12:00:19,925 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 262 transitions. [2018-11-18 12:00:19,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 12:00:19,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:19,935 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:20,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:20,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 157 states and 263 transitions. [2018-11-18 12:00:20,158 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 263 transitions. [2018-11-18 12:00:20,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 12:00:20,158 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:20,560 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 147 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:21,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:21,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 160 states and 266 transitions. [2018-11-18 12:00:21,386 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 266 transitions. [2018-11-18 12:00:21,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 12:00:21,387 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:21,618 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 147 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:21,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:21,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 161 states and 268 transitions. [2018-11-18 12:00:21,860 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 268 transitions. [2018-11-18 12:00:21,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 12:00:21,860 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:22,082 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 147 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:22,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:22,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 160 states and 265 transitions. [2018-11-18 12:00:22,320 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 265 transitions. [2018-11-18 12:00:22,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 12:00:22,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:22,410 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:23,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:23,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 166 states and 283 transitions. [2018-11-18 12:00:23,262 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 283 transitions. [2018-11-18 12:00:23,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 12:00:23,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:23,272 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:23,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:23,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 169 states and 284 transitions. [2018-11-18 12:00:23,762 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 284 transitions. [2018-11-18 12:00:23,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 12:00:23,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:23,773 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:24,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:24,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 171 states and 285 transitions. [2018-11-18 12:00:24,040 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 285 transitions. [2018-11-18 12:00:24,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 12:00:24,040 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:24,046 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:24,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:24,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 173 states and 287 transitions. [2018-11-18 12:00:24,516 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 287 transitions. [2018-11-18 12:00:24,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 12:00:24,517 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:25,029 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 192 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:25,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:25,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 174 states and 289 transitions. [2018-11-18 12:00:25,465 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 289 transitions. [2018-11-18 12:00:25,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 12:00:25,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:25,747 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 192 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:26,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:26,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 173 states and 286 transitions. [2018-11-18 12:00:26,003 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 286 transitions. [2018-11-18 12:00:26,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 12:00:26,003 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:26,134 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:27,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:27,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 179 states and 305 transitions. [2018-11-18 12:00:27,489 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 305 transitions. [2018-11-18 12:00:27,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 12:00:27,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:27,499 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:28,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:28,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 182 states and 306 transitions. [2018-11-18 12:00:28,135 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 306 transitions. [2018-11-18 12:00:28,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 12:00:28,135 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:28,147 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:28,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:28,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 184 states and 307 transitions. [2018-11-18 12:00:28,447 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 307 transitions. [2018-11-18 12:00:28,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 12:00:28,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:28,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:28,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 186 states and 308 transitions. [2018-11-18 12:00:28,719 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 308 transitions. [2018-11-18 12:00:28,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 12:00:28,719 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:29,279 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 243 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:29,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:29,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 187 states and 310 transitions. [2018-11-18 12:00:29,739 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 310 transitions. [2018-11-18 12:00:29,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 12:00:29,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:30,114 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 243 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:30,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:30,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 186 states and 307 transitions. [2018-11-18 12:00:30,381 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 307 transitions. [2018-11-18 12:00:30,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 12:00:30,381 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:30,491 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:31,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:31,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 192 states and 326 transitions. [2018-11-18 12:00:31,745 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 326 transitions. [2018-11-18 12:00:31,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 12:00:31,746 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:32,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:32,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 195 states and 327 transitions. [2018-11-18 12:00:32,316 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 327 transitions. [2018-11-18 12:00:32,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 12:00:32,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:32,327 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:32,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:32,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 197 states and 328 transitions. [2018-11-18 12:00:32,595 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 328 transitions. [2018-11-18 12:00:32,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 12:00:32,595 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:32,603 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:32,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:32,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 199 states and 329 transitions. [2018-11-18 12:00:32,869 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 329 transitions. [2018-11-18 12:00:32,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 12:00:32,870 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:33,498 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 300 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:33,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:33,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 200 states and 331 transitions. [2018-11-18 12:00:33,997 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 331 transitions. [2018-11-18 12:00:33,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 12:00:33,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:34,423 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 300 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:34,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:34,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 199 states and 328 transitions. [2018-11-18 12:00:34,743 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 328 transitions. [2018-11-18 12:00:34,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 12:00:34,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:34,845 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:35,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:35,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 205 states and 346 transitions. [2018-11-18 12:00:35,899 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 346 transitions. [2018-11-18 12:00:35,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 12:00:35,899 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:35,908 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:36,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:36,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 208 states and 347 transitions. [2018-11-18 12:00:36,470 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 347 transitions. [2018-11-18 12:00:36,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 12:00:36,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:36,483 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:36,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:36,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 210 states and 348 transitions. [2018-11-18 12:00:36,766 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 348 transitions. [2018-11-18 12:00:36,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 12:00:36,766 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:36,774 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:37,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:37,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 212 states and 350 transitions. [2018-11-18 12:00:37,330 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 350 transitions. [2018-11-18 12:00:37,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 12:00:37,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:38,078 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 363 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:38,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:38,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 213 states and 352 transitions. [2018-11-18 12:00:38,613 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 352 transitions. [2018-11-18 12:00:38,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 12:00:38,614 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:39,115 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 363 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:39,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:39,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 212 states and 349 transitions. [2018-11-18 12:00:39,422 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 349 transitions. [2018-11-18 12:00:39,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 12:00:39,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:39,526 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:41,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:41,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 218 states and 368 transitions. [2018-11-18 12:00:41,005 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 368 transitions. [2018-11-18 12:00:41,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 12:00:41,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:41,016 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:41,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:41,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 221 states and 369 transitions. [2018-11-18 12:00:41,635 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 369 transitions. [2018-11-18 12:00:41,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 12:00:41,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:41,644 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:41,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:41,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 223 states and 370 transitions. [2018-11-18 12:00:41,956 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 370 transitions. [2018-11-18 12:00:41,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 12:00:41,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:42,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:42,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 225 states and 371 transitions. [2018-11-18 12:00:42,272 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 371 transitions. [2018-11-18 12:00:42,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-18 12:00:42,272 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:43,091 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 432 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:43,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:43,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 225 states and 370 transitions. [2018-11-18 12:00:43,972 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 370 transitions. [2018-11-18 12:00:43,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 12:00:43,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:44,129 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 0 proven. 533 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:45,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:45,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 231 states and 388 transitions. [2018-11-18 12:00:45,341 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 388 transitions. [2018-11-18 12:00:45,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 12:00:45,341 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:45,351 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 0 proven. 533 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:46,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:46,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 234 states and 389 transitions. [2018-11-18 12:00:46,003 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 389 transitions. [2018-11-18 12:00:46,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 12:00:46,003 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:46,013 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 0 proven. 533 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:46,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:46,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 236 states and 390 transitions. [2018-11-18 12:00:46,337 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 390 transitions. [2018-11-18 12:00:46,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 12:00:46,337 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:46,347 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 0 proven. 533 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:46,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:46,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 238 states and 392 transitions. [2018-11-18 12:00:46,995 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 392 transitions. [2018-11-18 12:00:46,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 12:00:46,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:46,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:48,011 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 507 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:48,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:48,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 239 states and 394 transitions. [2018-11-18 12:00:48,661 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 394 transitions. [2018-11-18 12:00:48,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 12:00:48,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:49,374 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 507 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:49,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:49,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 238 states and 391 transitions. [2018-11-18 12:00:49,725 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 391 transitions. [2018-11-18 12:00:49,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 12:00:49,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:49,843 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:51,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:51,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 244 states and 409 transitions. [2018-11-18 12:00:51,204 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 409 transitions. [2018-11-18 12:00:51,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 12:00:51,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:51,215 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:52,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:52,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 247 states and 411 transitions. [2018-11-18 12:00:52,264 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 411 transitions. [2018-11-18 12:00:52,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 12:00:52,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:52,275 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:52,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:52,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 249 states and 412 transitions. [2018-11-18 12:00:52,623 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 412 transitions. [2018-11-18 12:00:52,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 12:00:52,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:52,634 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:52,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:52,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 251 states and 413 transitions. [2018-11-18 12:00:52,998 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 413 transitions. [2018-11-18 12:00:52,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 12:00:52,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:54,152 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 588 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:54,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:54,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 252 states and 415 transitions. [2018-11-18 12:00:54,852 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 415 transitions. [2018-11-18 12:00:54,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 12:00:54,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:55,656 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 588 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:56,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:56,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 251 states and 412 transitions. [2018-11-18 12:00:56,024 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 412 transitions. [2018-11-18 12:00:56,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 12:00:56,024 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:56,167 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:57,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:57,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 257 states and 431 transitions. [2018-11-18 12:00:57,863 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 431 transitions. [2018-11-18 12:00:57,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 12:00:57,864 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:57,877 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:58,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:58,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 260 states and 432 transitions. [2018-11-18 12:00:58,612 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 432 transitions. [2018-11-18 12:00:58,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 12:00:58,612 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:58,625 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:59,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:59,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 262 states and 433 transitions. [2018-11-18 12:00:59,034 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 433 transitions. [2018-11-18 12:00:59,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 12:00:59,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:59,049 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:59,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:59,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 264 states and 434 transitions. [2018-11-18 12:00:59,415 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 434 transitions. [2018-11-18 12:00:59,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 12:00:59,415 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:00,602 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 675 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:01:01,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:01,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 265 states and 436 transitions. [2018-11-18 12:01:01,298 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 436 transitions. [2018-11-18 12:01:01,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 12:01:01,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:02,243 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 675 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:01:02,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:02,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 264 states and 433 transitions. [2018-11-18 12:01:02,639 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 433 transitions. [2018-11-18 12:01:02,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 12:01:02,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:02,864 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:01:04,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:04,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 270 states and 452 transitions. [2018-11-18 12:01:04,660 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 452 transitions. [2018-11-18 12:01:04,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 12:01:04,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:04,681 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:01:05,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:05,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 273 states and 453 transitions. [2018-11-18 12:01:05,482 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 453 transitions. [2018-11-18 12:01:05,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 12:01:05,482 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:05,495 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:01:05,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:05,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 275 states and 454 transitions. [2018-11-18 12:01:05,880 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 454 transitions. [2018-11-18 12:01:05,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 12:01:05,880 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:05,892 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:01:06,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:06,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 277 states and 455 transitions. [2018-11-18 12:01:06,281 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 455 transitions. [2018-11-18 12:01:06,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 12:01:06,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:07,689 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 768 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:01:08,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:08,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 277 states and 454 transitions. [2018-11-18 12:01:08,792 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 454 transitions. [2018-11-18 12:01:08,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 12:01:08,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:09,902 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 289 proven. 24 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2018-11-18 12:01:14,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:14,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 289 states and 481 transitions. [2018-11-18 12:01:14,118 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 481 transitions. [2018-11-18 12:01:14,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 12:01:14,118 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:14,129 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 289 proven. 24 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2018-11-18 12:01:15,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:15,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 292 states and 485 transitions. [2018-11-18 12:01:15,770 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 485 transitions. [2018-11-18 12:01:15,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 12:01:15,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:15,780 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 289 proven. 24 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2018-11-18 12:01:16,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:16,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 296 states and 487 transitions. [2018-11-18 12:01:16,984 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 487 transitions. [2018-11-18 12:01:16,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 12:01:16,984 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:16,997 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 289 proven. 24 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2018-11-18 12:01:17,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:17,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 298 states and 489 transitions. [2018-11-18 12:01:17,395 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 489 transitions. [2018-11-18 12:01:17,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 12:01:17,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:17,410 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 289 proven. 24 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2018-11-18 12:01:17,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:17,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 300 states and 491 transitions. [2018-11-18 12:01:17,802 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 491 transitions. [2018-11-18 12:01:17,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 12:01:17,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:19,274 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 867 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:01:20,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:20,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 300 states and 490 transitions. [2018-11-18 12:01:20,463 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 490 transitions. [2018-11-18 12:01:20,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 12:01:20,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:20,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 309 proven. 24 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2018-11-18 12:01:21,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:21,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 301 states and 491 transitions. [2018-11-18 12:01:21,012 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 491 transitions. [2018-11-18 12:01:21,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 12:01:21,013 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:21,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 309 proven. 24 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2018-11-18 12:01:21,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:21,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 216 states and 291 transitions. [2018-11-18 12:01:21,942 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 291 transitions. [2018-11-18 12:01:21,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:01:21,942 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 117 iterations. [2018-11-18 12:01:21,949 INFO L775 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-18 12:01:22,437 WARN L180 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-11-18 12:01:22,831 WARN L180 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-11-18 12:01:23,073 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 89 [2018-11-18 12:01:23,187 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:01:23,189 INFO L579 CodeCheckObserver]: Invariant with dag size 101 [2018-11-18 12:01:23,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:01:23 ImpRootNode [2018-11-18 12:01:23,200 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:01:23,200 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:01:23,200 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:01:23,200 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:01:23,201 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:59:59" (3/4) ... [2018-11-18 12:01:23,204 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:01:23,212 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 12:01:23,212 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:01:23,212 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 12:01:23,244 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bf2ee014-a711-4a16-8085-47d963cb85d2/bin-2019/ukojak/witness.graphml [2018-11-18 12:01:23,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:01:23,244 INFO L168 Benchmark]: Toolchain (without parser) took 83764.97 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 960.2 MB in the beginning and 1.7 GB in the end (delta: -727.4 MB). Peak memory consumption was 851.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:01:23,245 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:01:23,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 130.19 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:01:23,245 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.47 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:01:23,246 INFO L168 Benchmark]: Boogie Preprocessor took 10.03 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:01:23,246 INFO L168 Benchmark]: RCFGBuilder took 157.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:01:23,246 INFO L168 Benchmark]: CodeCheck took 83404.56 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -581.6 MB). Peak memory consumption was 874.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:01:23,247 INFO L168 Benchmark]: Witness Printer took 43.65 ms. Allocated memory is still 2.6 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:01:23,248 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, 16 locations, 4 error locations. SAFE Result, 82.1s OverallTime, 117 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 613571924 SDslu, 136350720 SDs, 0 SdLazy, -1473712624 SolverSat, 477224908 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 73.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66037 GetRequests, 59298 SyntacticMatches, 5677 SemanticMatches, 1062 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928272 ImplicationChecksByTransitivity, 78.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 19.6s InterpolantComputationTime, 6562 NumberOfCodeBlocks, 6562 NumberOfCodeBlocksAsserted, 116 NumberOfCheckSat, 6446 ConstructedInterpolants, 0 QuantifiedInterpolants, 1338780 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 116 InterpolantComputations, 10 PerfectInterpolantSequences, 15219/36300 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: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((((((((((((((((y <= 32 && 31 < y) && x <= y + 2147483624) || ((30 < y && y <= 31) && x <= y + 2147483624)) || ((32 < y && y <= 33) && x <= y + 2147483624)) || ((x + y <= 2147483648 && y <= 39) && 38 < y)) || ((26 < y && y <= 27) && x <= 2 * y + 2147483593)) || ((y <= 35 && 34 < y) && x <= y + 2147483624)) || ((28 < y && y <= 29) && x <= y + 2147483624)) || ((y <= 34 && 33 < y) && x <= y + 2147483624)) || ((35 < y && y <= 36) && x <= y + 2147483624)) || ((25 < y && y <= 26) && x <= y + 2147483624)) || ((37 < y && x <= y + 2147483609) && y <= 38)) || ((29 < y && y <= 30) && x <= y + 2147483624)) || ((x <= 2 * y + 2147483591 && 27 < y) && y <= 28)) || ((23 <= y && y <= 23) && x <= y + 2147483624)) || ((36 < y && y <= 37) && x <= y + 2147483624)) || ((23 < y && y <= 24) && x <= 2 * y + 2147483599)) || ((x <= 2 * y + 2147483597 && y <= 25) && 24 < y)) || ((39 < y && x + 2 * y <= 2147483650) && y <= 2147483647) * 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 130.19 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.47 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.03 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 157.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -159.2 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 83404.56 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -581.6 MB). Peak memory consumption was 874.4 MB. Max. memory is 11.5 GB. * Witness Printer took 43.65 ms. Allocated memory is still 2.6 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...