./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label28_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7c221a72-cea9-4302-83a8-a3880d12ca2f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7c221a72-cea9-4302-83a8-a3880d12ca2f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7c221a72-cea9-4302-83a8-a3880d12ca2f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7c221a72-cea9-4302-83a8-a3880d12ca2f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label28_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7c221a72-cea9-4302-83a8-a3880d12ca2f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7c221a72-cea9-4302-83a8-a3880d12ca2f/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b05d579dd12f755368a6bf22b0fd6149bd3ba2b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:32:57,873 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:32:57,874 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:32:57,880 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:32:57,880 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:32:57,881 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:32:57,881 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:32:57,882 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:32:57,883 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:32:57,884 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:32:57,884 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:32:57,884 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:32:57,885 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:32:57,885 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:32:57,886 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:32:57,886 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:32:57,887 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:32:57,888 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:32:57,889 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:32:57,889 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:32:57,890 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:32:57,891 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:32:57,892 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:32:57,892 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:32:57,892 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:32:57,892 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:32:57,893 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:32:57,893 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:32:57,894 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:32:57,894 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:32:57,895 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:32:57,895 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:32:57,895 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:32:57,895 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:32:57,896 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:32:57,896 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:32:57,896 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7c221a72-cea9-4302-83a8-a3880d12ca2f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 16:32:57,903 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:32:57,903 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:32:57,904 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:32:57,904 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 16:32:57,904 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:32:57,904 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:32:57,904 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:32:57,905 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:32:57,905 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:32:57,905 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:32:57,905 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:32:57,905 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:32:57,905 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:32:57,905 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:32:57,905 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:32:57,905 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:32:57,906 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:32:57,906 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:32:57,906 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 16:32:57,906 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 16:32:57,906 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:32:57,906 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:32:57,906 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 16:32:57,906 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:32:57,907 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:32:57,907 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:32:57,907 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 16:32:57,907 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:32:57,907 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:32:57,907 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_7c221a72-cea9-4302-83a8-a3880d12ca2f/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b05d579dd12f755368a6bf22b0fd6149bd3ba2b [2018-12-08 16:32:57,924 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:32:57,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:32:57,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:32:57,934 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:32:57,935 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:32:57,935 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7c221a72-cea9-4302-83a8-a3880d12ca2f/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label28_true-unreach-call_false-termination.c [2018-12-08 16:32:57,970 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c221a72-cea9-4302-83a8-a3880d12ca2f/bin-2019/ukojak/data/77dade6bd/d23d281da7be449d9b6423e8604c4bfb/FLAG6c08991eb [2018-12-08 16:32:58,347 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:32:58,348 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7c221a72-cea9-4302-83a8-a3880d12ca2f/sv-benchmarks/c/eca-rers2012/Problem01_label28_true-unreach-call_false-termination.c [2018-12-08 16:32:58,354 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c221a72-cea9-4302-83a8-a3880d12ca2f/bin-2019/ukojak/data/77dade6bd/d23d281da7be449d9b6423e8604c4bfb/FLAG6c08991eb [2018-12-08 16:32:58,363 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7c221a72-cea9-4302-83a8-a3880d12ca2f/bin-2019/ukojak/data/77dade6bd/d23d281da7be449d9b6423e8604c4bfb [2018-12-08 16:32:58,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:32:58,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:32:58,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:32:58,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:32:58,369 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:32:58,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:32:58" (1/1) ... [2018-12-08 16:32:58,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:58, skipping insertion in model container [2018-12-08 16:32:58,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:32:58" (1/1) ... [2018-12-08 16:32:58,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:32:58,402 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:32:58,572 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:32:58,575 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:32:58,657 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:32:58,666 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:32:58,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:58 WrapperNode [2018-12-08 16:32:58,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:32:58,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:32:58,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:32:58,667 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:32:58,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:58" (1/1) ... [2018-12-08 16:32:58,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:58" (1/1) ... [2018-12-08 16:32:58,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:32:58,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:32:58,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:32:58,706 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:32:58,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:58" (1/1) ... [2018-12-08 16:32:58,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:58" (1/1) ... [2018-12-08 16:32:58,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:58" (1/1) ... [2018-12-08 16:32:58,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:58" (1/1) ... [2018-12-08 16:32:58,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:58" (1/1) ... [2018-12-08 16:32:58,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:58" (1/1) ... [2018-12-08 16:32:58,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:58" (1/1) ... [2018-12-08 16:32:58,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:32:58,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:32:58,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:32:58,736 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:32:58,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:32:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c221a72-cea9-4302-83a8-a3880d12ca2f/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 16:32:58,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:32:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:32:59,832 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:32:59,832 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 16:32:59,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:32:59 BoogieIcfgContainer [2018-12-08 16:32:59,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:32:59,833 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 16:32:59,833 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 16:32:59,842 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 16:32:59,842 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:32:59" (1/1) ... [2018-12-08 16:32:59,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:32:59,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:32:59,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-08 16:32:59,883 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-08 16:32:59,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-08 16:32:59,887 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:00,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:00,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:00,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 145 states and 237 transitions. [2018-12-08 16:33:00,395 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 237 transitions. [2018-12-08 16:33:00,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 16:33:00,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:00,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:33:00,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:00,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 146 states and 238 transitions. [2018-12-08 16:33:00,577 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 238 transitions. [2018-12-08 16:33:00,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-08 16:33:00,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:00,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:00,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:00,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 150 states and 245 transitions. [2018-12-08 16:33:00,706 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 245 transitions. [2018-12-08 16:33:00,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 16:33:00,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:00,723 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:33:00,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:00,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 151 states and 246 transitions. [2018-12-08 16:33:00,785 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 246 transitions. [2018-12-08 16:33:00,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 16:33:00,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:00,815 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:00,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:00,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 159 states and 261 transitions. [2018-12-08 16:33:00,962 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 261 transitions. [2018-12-08 16:33:00,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-08 16:33:00,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:00,993 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 16:33:01,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:01,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 170 states and 280 transitions. [2018-12-08 16:33:01,308 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 280 transitions. [2018-12-08 16:33:01,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 16:33:01,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:01,333 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:01,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:01,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 171 states and 281 transitions. [2018-12-08 16:33:01,358 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 281 transitions. [2018-12-08 16:33:01,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 16:33:01,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:01,389 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:01,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:01,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 177 states and 288 transitions. [2018-12-08 16:33:01,501 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 288 transitions. [2018-12-08 16:33:01,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-08 16:33:01,501 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:01,569 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:01,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:01,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 191 states and 307 transitions. [2018-12-08 16:33:01,943 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 307 transitions. [2018-12-08 16:33:01,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 16:33:01,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:01,989 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:02,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:02,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 200 states and 325 transitions. [2018-12-08 16:33:02,256 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 325 transitions. [2018-12-08 16:33:02,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 16:33:02,257 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:02,269 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:02,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:02,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 201 states and 327 transitions. [2018-12-08 16:33:02,342 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 327 transitions. [2018-12-08 16:33:02,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 16:33:02,343 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:02,354 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:02,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:02,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 202 states and 329 transitions. [2018-12-08 16:33:02,363 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 329 transitions. [2018-12-08 16:33:02,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 16:33:02,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:02,377 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:33:02,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:02,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 203 states and 330 transitions. [2018-12-08 16:33:02,406 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 330 transitions. [2018-12-08 16:33:02,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 16:33:02,407 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:02,449 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:02,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:02,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 214 states and 347 transitions. [2018-12-08 16:33:02,884 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 347 transitions. [2018-12-08 16:33:02,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 16:33:02,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:02,904 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:02,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:02,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 217 states and 350 transitions. [2018-12-08 16:33:02,916 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 350 transitions. [2018-12-08 16:33:02,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-08 16:33:02,917 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:02,933 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:33:03,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:03,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 219 states and 351 transitions. [2018-12-08 16:33:03,005 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 351 transitions. [2018-12-08 16:33:03,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-08 16:33:03,006 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:03,021 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 16:33:03,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:03,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 224 states and 356 transitions. [2018-12-08 16:33:03,197 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 356 transitions. [2018-12-08 16:33:03,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 16:33:03,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:03,242 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:03,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:03,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 230 states and 366 transitions. [2018-12-08 16:33:03,393 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 366 transitions. [2018-12-08 16:33:03,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 16:33:03,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:03,406 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:03,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:03,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 241 states and 381 transitions. [2018-12-08 16:33:03,955 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 381 transitions. [2018-12-08 16:33:03,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-08 16:33:03,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:03,979 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 16:33:04,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:04,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 243 states and 382 transitions. [2018-12-08 16:33:04,056 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 382 transitions. [2018-12-08 16:33:04,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-08 16:33:04,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:04,076 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:33:04,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:04,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 254 states and 392 transitions. [2018-12-08 16:33:04,332 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 392 transitions. [2018-12-08 16:33:04,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-08 16:33:04,332 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:04,407 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:05,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:05,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 278 states and 426 transitions. [2018-12-08 16:33:05,116 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 426 transitions. [2018-12-08 16:33:05,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 16:33:05,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:05,129 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 16:33:05,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:05,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 280 states and 431 transitions. [2018-12-08 16:33:05,234 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 431 transitions. [2018-12-08 16:33:05,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 16:33:05,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:05,265 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:05,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:05,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 283 states and 434 transitions. [2018-12-08 16:33:05,280 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 434 transitions. [2018-12-08 16:33:05,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 16:33:05,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:05,293 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:05,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:05,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 298 states and 451 transitions. [2018-12-08 16:33:05,607 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 451 transitions. [2018-12-08 16:33:05,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 16:33:05,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:05,627 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:05,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:05,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 301 states and 454 transitions. [2018-12-08 16:33:05,751 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 454 transitions. [2018-12-08 16:33:05,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-08 16:33:05,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:05,818 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:06,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:06,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 326 states and 489 transitions. [2018-12-08 16:33:06,724 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 489 transitions. [2018-12-08 16:33:06,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 16:33:06,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:06,803 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:07,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:07,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 337 states and 501 transitions. [2018-12-08 16:33:07,399 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 501 transitions. [2018-12-08 16:33:07,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 16:33:07,400 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:07,662 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:09,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:09,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 362 states and 546 transitions. [2018-12-08 16:33:09,248 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 546 transitions. [2018-12-08 16:33:09,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 16:33:09,249 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:09,378 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:09,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:09,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 374 states and 561 transitions. [2018-12-08 16:33:09,993 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 561 transitions. [2018-12-08 16:33:09,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 16:33:09,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:10,108 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:10,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:10,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 379 states and 567 transitions. [2018-12-08 16:33:10,417 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 567 transitions. [2018-12-08 16:33:10,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 16:33:10,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:10,524 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:10,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:10,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 389 states and 578 transitions. [2018-12-08 16:33:10,705 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 578 transitions. [2018-12-08 16:33:10,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 16:33:10,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:10,805 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:10,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:10,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 390 states and 579 transitions. [2018-12-08 16:33:10,967 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 579 transitions. [2018-12-08 16:33:10,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 16:33:10,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:11,101 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:11,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:11,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 391 states and 580 transitions. [2018-12-08 16:33:11,297 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 580 transitions. [2018-12-08 16:33:11,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 16:33:11,298 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:11,319 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:11,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:11,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 393 states and 583 transitions. [2018-12-08 16:33:11,346 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 583 transitions. [2018-12-08 16:33:11,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 16:33:11,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:11,603 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:12,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:12,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 407 states and 607 transitions. [2018-12-08 16:33:12,625 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 607 transitions. [2018-12-08 16:33:12,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 16:33:12,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:12,702 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:13,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:13,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 418 states and 618 transitions. [2018-12-08 16:33:13,074 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 618 transitions. [2018-12-08 16:33:13,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 16:33:13,074 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:13,094 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:33:13,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:13,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 429 states and 631 transitions. [2018-12-08 16:33:13,795 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 631 transitions. [2018-12-08 16:33:13,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 16:33:13,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:13,808 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 16:33:14,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:14,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 436 states and 641 transitions. [2018-12-08 16:33:14,333 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 641 transitions. [2018-12-08 16:33:14,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 16:33:14,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:14,347 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 16:33:14,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:14,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 437 states and 642 transitions. [2018-12-08 16:33:14,527 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 642 transitions. [2018-12-08 16:33:14,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 16:33:14,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:14,543 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 16:33:14,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:14,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 438 states and 642 transitions. [2018-12-08 16:33:14,620 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 642 transitions. [2018-12-08 16:33:14,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 16:33:14,621 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:14,636 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:15,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:15,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 466 states and 674 transitions. [2018-12-08 16:33:15,996 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 674 transitions. [2018-12-08 16:33:15,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 16:33:15,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:16,019 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:16,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:16,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 479 states and 693 transitions. [2018-12-08 16:33:16,929 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 693 transitions. [2018-12-08 16:33:16,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 16:33:16,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:16,964 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:17,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:17,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 497 states and 716 transitions. [2018-12-08 16:33:17,593 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 716 transitions. [2018-12-08 16:33:17,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 16:33:17,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:17,615 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:17,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:17,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 501 states and 720 transitions. [2018-12-08 16:33:17,791 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 720 transitions. [2018-12-08 16:33:17,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 16:33:17,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:17,926 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:18,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:18,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 510 states and 728 transitions. [2018-12-08 16:33:18,596 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 728 transitions. [2018-12-08 16:33:18,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 16:33:18,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:18,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:18,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 580 states and 800 transitions. [2018-12-08 16:33:18,934 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 800 transitions. [2018-12-08 16:33:18,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-08 16:33:18,935 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:18,972 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:19,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:19,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 593 states and 816 transitions. [2018-12-08 16:33:19,246 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 816 transitions. [2018-12-08 16:33:19,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-08 16:33:19,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:19,266 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:19,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:19,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 597 states and 820 transitions. [2018-12-08 16:33:19,550 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 820 transitions. [2018-12-08 16:33:19,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-08 16:33:19,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:19,566 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 16:33:19,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:19,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 608 states and 834 transitions. [2018-12-08 16:33:19,691 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 834 transitions. [2018-12-08 16:33:19,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-08 16:33:19,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:19,722 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 16:33:19,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:19,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 610 states and 835 transitions. [2018-12-08 16:33:19,815 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 835 transitions. [2018-12-08 16:33:19,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-08 16:33:19,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:19,831 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 16:33:19,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:19,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 612 states and 836 transitions. [2018-12-08 16:33:19,914 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 836 transitions. [2018-12-08 16:33:19,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-08 16:33:19,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:19,932 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 16:33:20,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:20,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 621 states and 848 transitions. [2018-12-08 16:33:20,278 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 848 transitions. [2018-12-08 16:33:20,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-08 16:33:20,279 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:20,296 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 16:33:20,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:20,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 623 states and 849 transitions. [2018-12-08 16:33:20,433 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 849 transitions. [2018-12-08 16:33:20,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-08 16:33:20,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:20,450 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 16:33:20,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:20,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 628 states and 853 transitions. [2018-12-08 16:33:20,771 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 853 transitions. [2018-12-08 16:33:20,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-08 16:33:20,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:20,790 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:20,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:20,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 632 states and 858 transitions. [2018-12-08 16:33:20,982 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 858 transitions. [2018-12-08 16:33:20,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-08 16:33:20,983 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:21,005 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:21,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:21,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 637 states and 864 transitions. [2018-12-08 16:33:21,126 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 864 transitions. [2018-12-08 16:33:21,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-08 16:33:21,126 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:21,142 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:21,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:21,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 638 states and 864 transitions. [2018-12-08 16:33:21,334 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 864 transitions. [2018-12-08 16:33:21,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 16:33:21,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:33:21,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:21,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 663 states and 894 transitions. [2018-12-08 16:33:21,691 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 894 transitions. [2018-12-08 16:33:21,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-08 16:33:21,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:21,878 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:33:22,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:22,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 679 states and 916 transitions. [2018-12-08 16:33:22,426 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 916 transitions. [2018-12-08 16:33:22,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-08 16:33:22,426 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:22,463 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:33:22,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:22,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 686 states and 924 transitions. [2018-12-08 16:33:22,490 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 924 transitions. [2018-12-08 16:33:22,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-08 16:33:22,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:22,647 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:33:23,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:23,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 703 states and 955 transitions. [2018-12-08 16:33:23,616 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 955 transitions. [2018-12-08 16:33:23,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-08 16:33:23,617 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:23,706 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:33:24,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:24,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 717 states and 968 transitions. [2018-12-08 16:33:24,015 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 968 transitions. [2018-12-08 16:33:24,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 16:33:24,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:24,334 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:25,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:25,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 769 states and 1028 transitions. [2018-12-08 16:33:25,451 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1028 transitions. [2018-12-08 16:33:25,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 16:33:25,451 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:33:25,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:25,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 773 states and 1031 transitions. [2018-12-08 16:33:25,594 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1031 transitions. [2018-12-08 16:33:25,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 16:33:25,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:25,631 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:33:28,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:28,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 816 states and 1099 transitions. [2018-12-08 16:33:28,430 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1099 transitions. [2018-12-08 16:33:28,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 16:33:28,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:28,459 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:33:29,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:29,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 837 states and 1120 transitions. [2018-12-08 16:33:29,112 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1120 transitions. [2018-12-08 16:33:29,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 16:33:29,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:29,136 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:33:29,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:29,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 844 states and 1127 transitions. [2018-12-08 16:33:29,375 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1127 transitions. [2018-12-08 16:33:29,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 16:33:29,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:29,402 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:33:29,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:29,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 852 states and 1135 transitions. [2018-12-08 16:33:29,865 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1135 transitions. [2018-12-08 16:33:29,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 16:33:29,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:29,890 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:33:30,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:30,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 853 states and 1136 transitions. [2018-12-08 16:33:30,112 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1136 transitions. [2018-12-08 16:33:30,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 16:33:30,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:30,139 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:33:30,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:30,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 854 states and 1136 transitions. [2018-12-08 16:33:30,393 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1136 transitions. [2018-12-08 16:33:30,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 16:33:30,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:30,419 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:33:30,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:30,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 858 states and 1140 transitions. [2018-12-08 16:33:30,642 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1140 transitions. [2018-12-08 16:33:30,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 16:33:30,643 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:30,665 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:33:30,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:30,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 859 states and 1140 transitions. [2018-12-08 16:33:30,817 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1140 transitions. [2018-12-08 16:33:30,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-08 16:33:30,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:30,836 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 16:33:30,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:30,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 862 states and 1143 transitions. [2018-12-08 16:33:30,981 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1143 transitions. [2018-12-08 16:33:30,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-08 16:33:30,982 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:30,997 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 16:33:31,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:31,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 871 states and 1153 transitions. [2018-12-08 16:33:31,878 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1153 transitions. [2018-12-08 16:33:31,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-08 16:33:31,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:31,907 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 16:33:32,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:32,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 873 states and 1153 transitions. [2018-12-08 16:33:32,139 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1153 transitions. [2018-12-08 16:33:32,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-08 16:33:32,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:32,491 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:35,471 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-08 16:33:36,680 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-08 16:33:37,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:37,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 938 states and 1220 transitions. [2018-12-08 16:33:37,728 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1220 transitions. [2018-12-08 16:33:37,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 16:33:37,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:37,746 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 16:33:37,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:37,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 945 states and 1230 transitions. [2018-12-08 16:33:37,871 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1230 transitions. [2018-12-08 16:33:37,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 16:33:37,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:37,889 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 16:33:38,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:38,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 949 states and 1233 transitions. [2018-12-08 16:33:38,126 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1233 transitions. [2018-12-08 16:33:38,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 16:33:38,126 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:38,143 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 16:33:38,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:38,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 953 states and 1239 transitions. [2018-12-08 16:33:38,582 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1239 transitions. [2018-12-08 16:33:38,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 16:33:38,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:39,312 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:43,033 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-08 16:33:45,552 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2018-12-08 16:33:47,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:47,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1010 states and 1300 transitions. [2018-12-08 16:33:47,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1300 transitions. [2018-12-08 16:33:47,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 16:33:47,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:47,711 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:51,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:51,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1055 states and 1350 transitions. [2018-12-08 16:33:51,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1350 transitions. [2018-12-08 16:33:51,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 16:33:51,763 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:51,830 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:52,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:52,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1079 states and 1373 transitions. [2018-12-08 16:33:52,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1373 transitions. [2018-12-08 16:33:52,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 16:33:52,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:52,615 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-08 16:33:52,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:52,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1080 states and 1373 transitions. [2018-12-08 16:33:52,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1373 transitions. [2018-12-08 16:33:52,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 16:33:52,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:52,675 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:54,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:54,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1117 states and 1411 transitions. [2018-12-08 16:33:54,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1411 transitions. [2018-12-08 16:33:54,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 16:33:54,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:54,046 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:54,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:54,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1123 states and 1418 transitions. [2018-12-08 16:33:54,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1418 transitions. [2018-12-08 16:33:54,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 16:33:54,592 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:54,624 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:54,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:54,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1124 states and 1418 transitions. [2018-12-08 16:33:54,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1418 transitions. [2018-12-08 16:33:54,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-08 16:33:54,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:55,142 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 106 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 16:33:55,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:55,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1135 states and 1434 transitions. [2018-12-08 16:33:55,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1434 transitions. [2018-12-08 16:33:55,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 16:33:55,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:56,289 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 16:33:57,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:57,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1165 states and 1470 transitions. [2018-12-08 16:33:57,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1470 transitions. [2018-12-08 16:33:57,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 16:33:57,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:57,599 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 16:34:00,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:34:00,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1195 states and 1505 transitions. [2018-12-08 16:34:00,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1505 transitions. [2018-12-08 16:34:00,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-08 16:34:00,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:34:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:00,390 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 16:34:00,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:34:00,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1197 states and 1507 transitions. [2018-12-08 16:34:00,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1507 transitions. [2018-12-08 16:34:00,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-08 16:34:00,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:34:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:00,837 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-08 16:34:01,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:34:01,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1207 states and 1521 transitions. [2018-12-08 16:34:01,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1521 transitions. [2018-12-08 16:34:01,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-08 16:34:01,475 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:34:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:02,245 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:34:04,366 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-12-08 16:34:07,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:34:07,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1236 states and 1555 transitions. [2018-12-08 16:34:07,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1555 transitions. [2018-12-08 16:34:07,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-08 16:34:07,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:34:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:07,209 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 16:34:08,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:34:08,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1249 states and 1568 transitions. [2018-12-08 16:34:08,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1568 transitions. [2018-12-08 16:34:08,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-08 16:34:08,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:34:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:08,434 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 171 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:34:12,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:34:12,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1300 states and 1628 transitions. [2018-12-08 16:34:12,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1628 transitions. [2018-12-08 16:34:12,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-08 16:34:12,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:34:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:12,255 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 171 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:34:13,386 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2018-12-08 16:34:14,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:34:14,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1311 states and 1638 transitions. [2018-12-08 16:34:14,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1638 transitions. [2018-12-08 16:34:14,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-08 16:34:14,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:34:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:14,818 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:34:18,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:34:18,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1354 states and 1686 transitions. [2018-12-08 16:34:18,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1686 transitions. [2018-12-08 16:34:18,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-08 16:34:18,340 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:34:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:18,518 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:34:20,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:34:20,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1364 states and 1697 transitions. [2018-12-08 16:34:20,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1697 transitions. [2018-12-08 16:34:20,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-08 16:34:20,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:34:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 113 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:34:21,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:34:21,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1369 states and 1702 transitions. [2018-12-08 16:34:21,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1702 transitions. [2018-12-08 16:34:21,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-08 16:34:21,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:34:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:21,222 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 16:34:22,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:34:22,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1379 states and 1711 transitions. [2018-12-08 16:34:22,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1711 transitions. [2018-12-08 16:34:22,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 16:34:22,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:34:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:22,929 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:34:26,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:34:26,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1419 states and 1757 transitions. [2018-12-08 16:34:26,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1757 transitions. [2018-12-08 16:34:26,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 16:34:26,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:34:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:27,716 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-08 16:34:29,672 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 16:34:32,612 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2018-12-08 16:34:34,259 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2018-12-08 16:34:36,060 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2018-12-08 16:34:37,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:34:37,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1467 states and 1808 transitions. [2018-12-08 16:34:37,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1808 transitions. [2018-12-08 16:34:37,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-08 16:34:37,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:34:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:37,555 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 16:34:38,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:34:38,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1470 states and 1814 transitions. [2018-12-08 16:34:38,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1814 transitions. [2018-12-08 16:34:38,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-08 16:34:38,239 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:34:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:38,270 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 16:34:38,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:34:38,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1474 states and 1819 transitions. [2018-12-08 16:34:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1819 transitions. [2018-12-08 16:34:38,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-08 16:34:38,621 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:34:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:38,658 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 16:34:38,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:34:38,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1475 states and 1819 transitions. [2018-12-08 16:34:38,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1819 transitions. [2018-12-08 16:34:38,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-08 16:34:38,981 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:34:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:39,017 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 16:34:39,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:34:39,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1500 states and 1842 transitions. [2018-12-08 16:34:39,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1842 transitions. [2018-12-08 16:34:39,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-08 16:34:39,120 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:34:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:39,302 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 233 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-08 16:34:39,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:34:39,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1504 states and 1847 transitions. [2018-12-08 16:34:39,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 1847 transitions. [2018-12-08 16:34:39,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 16:34:39,723 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:34:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:42,201 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:34:48,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:34:48,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1550 states and 1897 transitions. [2018-12-08 16:34:48,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 1897 transitions. [2018-12-08 16:34:48,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 16:34:48,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:34:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:48,435 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:34:48,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:34:48,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 1551 states and 1899 transitions. [2018-12-08 16:34:48,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 1899 transitions. [2018-12-08 16:34:48,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-08 16:34:48,799 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:34:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:49,463 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 237 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:34:52,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:34:52,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 1555 states and 1904 transitions. [2018-12-08 16:34:52,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 1904 transitions. [2018-12-08 16:34:52,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-08 16:34:52,184 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:34:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:34:53,670 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 16:34:54,577 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-12-08 16:34:57,792 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-08 16:35:00,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:35:00,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1615 states and 1966 transitions. [2018-12-08 16:35:00,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 1966 transitions. [2018-12-08 16:35:00,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-08 16:35:00,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:35:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:35:01,042 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 16:35:01,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:35:01,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1616 states and 1966 transitions. [2018-12-08 16:35:01,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 1966 transitions. [2018-12-08 16:35:01,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 16:35:01,726 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:35:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:35:02,933 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 16:35:05,823 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2018-12-08 16:35:06,968 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2018-12-08 16:35:09,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:35:09,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1620 states and 1972 transitions. [2018-12-08 16:35:09,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 1972 transitions. [2018-12-08 16:35:09,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 16:35:09,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:35:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:35:09,207 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-08 16:35:09,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:35:09,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2051 states to 1690 states and 2051 transitions. [2018-12-08 16:35:09,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 2051 transitions. [2018-12-08 16:35:09,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-08 16:35:09,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:35:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:35:09,909 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-08 16:35:13,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:35:13,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 1812 states and 2185 transitions. [2018-12-08 16:35:13,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 2185 transitions. [2018-12-08 16:35:13,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-08 16:35:13,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:35:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:35:13,430 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-08 16:35:17,476 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-08 16:35:20,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:35:20,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 1869 states and 2241 transitions. [2018-12-08 16:35:20,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 2241 transitions. [2018-12-08 16:35:20,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-08 16:35:20,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:35:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:35:20,552 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-08 16:35:21,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:35:21,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 1870 states and 2242 transitions. [2018-12-08 16:35:21,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2242 transitions. [2018-12-08 16:35:21,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-08 16:35:21,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:35:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:35:21,912 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-08 16:35:22,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:35:22,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 1909 states and 2281 transitions. [2018-12-08 16:35:22,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2281 transitions. [2018-12-08 16:35:22,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-08 16:35:22,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:35:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:35:22,666 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 236 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 16:35:25,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:35:25,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 1920 states and 2300 transitions. [2018-12-08 16:35:25,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2300 transitions. [2018-12-08 16:35:25,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-08 16:35:25,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:35:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:35:26,078 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 180 proven. 78 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 16:35:26,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:35:26,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 1930 states and 2314 transitions. [2018-12-08 16:35:26,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states and 2314 transitions. [2018-12-08 16:35:26,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-08 16:35:26,863 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:35:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:35:28,231 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 16:35:33,491 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-08 16:35:36,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:35:36,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 1955 states and 2342 transitions. [2018-12-08 16:35:36,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2342 transitions. [2018-12-08 16:35:36,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-08 16:35:36,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:35:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:35:36,259 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-08 16:35:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:35:38,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 1963 states and 2352 transitions. [2018-12-08 16:35:38,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1963 states and 2352 transitions. [2018-12-08 16:35:38,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-08 16:35:38,038 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:35:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:35:38,204 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-08 16:35:42,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:35:42,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2002 states and 2405 transitions. [2018-12-08 16:35:42,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 2405 transitions. [2018-12-08 16:35:42,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-08 16:35:42,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:35:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:35:42,992 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-08 16:35:44,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:35:44,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 2019 states and 2423 transitions. [2018-12-08 16:35:44,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2019 states and 2423 transitions. [2018-12-08 16:35:44,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-08 16:35:44,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:35:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:35:44,603 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-08 16:35:45,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:35:45,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 2021 states and 2423 transitions. [2018-12-08 16:35:45,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 2423 transitions. [2018-12-08 16:35:45,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-08 16:35:45,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:35:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:35:46,922 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 16:35:48,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:35:48,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2429 states to 2025 states and 2429 transitions. [2018-12-08 16:35:48,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 2429 transitions. [2018-12-08 16:35:48,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 16:35:48,812 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:35:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:35:48,848 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-08 16:35:52,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:35:52,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 2043 states and 2445 transitions. [2018-12-08 16:35:52,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2043 states and 2445 transitions. [2018-12-08 16:35:52,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 16:35:52,441 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:35:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:35:52,486 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 177 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-08 16:35:57,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:35:57,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 2064 states and 2469 transitions. [2018-12-08 16:35:57,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2064 states and 2469 transitions. [2018-12-08 16:35:57,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 16:35:57,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:35:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:35:57,636 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 177 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-08 16:36:00,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:36:00,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 2071 states and 2477 transitions. [2018-12-08 16:36:00,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2477 transitions. [2018-12-08 16:36:00,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 16:36:00,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:36:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:00,359 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 177 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-08 16:36:02,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:36:02,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2082 states and 2487 transitions. [2018-12-08 16:36:02,164 INFO L276 IsEmpty]: Start isEmpty. Operand 2082 states and 2487 transitions. [2018-12-08 16:36:02,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-08 16:36:02,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:36:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:03,173 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 235 proven. 18 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 16:36:06,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:36:06,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2092 states and 2498 transitions. [2018-12-08 16:36:06,300 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2498 transitions. [2018-12-08 16:36:06,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-08 16:36:06,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:36:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:06,345 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-08 16:36:06,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:36:06,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2093 states and 2498 transitions. [2018-12-08 16:36:06,788 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2498 transitions. [2018-12-08 16:36:06,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-08 16:36:06,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:36:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:06,838 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-08 16:36:09,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:36:09,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 2181 states and 2598 transitions. [2018-12-08 16:36:09,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2598 transitions. [2018-12-08 16:36:09,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-08 16:36:09,110 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:36:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:09,164 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-08 16:36:09,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:36:09,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 2182 states and 2598 transitions. [2018-12-08 16:36:09,209 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2598 transitions. [2018-12-08 16:36:09,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-08 16:36:09,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:36:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:09,299 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-08 16:36:10,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:36:10,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2201 states and 2631 transitions. [2018-12-08 16:36:10,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2201 states and 2631 transitions. [2018-12-08 16:36:10,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-08 16:36:10,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:36:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:10,849 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-08 16:36:11,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:36:11,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2641 states to 2207 states and 2641 transitions. [2018-12-08 16:36:11,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2207 states and 2641 transitions. [2018-12-08 16:36:11,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-08 16:36:11,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:36:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:11,701 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-08 16:36:12,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:36:12,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2209 states and 2643 transitions. [2018-12-08 16:36:12,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2209 states and 2643 transitions. [2018-12-08 16:36:12,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-08 16:36:12,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:36:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:12,105 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-08 16:36:12,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:36:12,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2213 states and 2646 transitions. [2018-12-08 16:36:12,520 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2646 transitions. [2018-12-08 16:36:12,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-08 16:36:12,521 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:36:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:12,571 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-08 16:36:12,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:36:12,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2217 states and 2650 transitions. [2018-12-08 16:36:12,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 2650 transitions. [2018-12-08 16:36:12,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-08 16:36:12,965 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:36:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:13,013 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-08 16:36:13,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:36:13,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2221 states and 2654 transitions. [2018-12-08 16:36:13,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2221 states and 2654 transitions. [2018-12-08 16:36:13,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-08 16:36:13,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:36:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:16,498 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-08 16:36:17,537 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-08 16:36:18,960 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2018-12-08 16:36:20,590 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-08 16:36:25,020 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-08 16:36:27,483 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-08 16:36:33,626 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-12-08 16:36:33,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:36:33,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 2269 states and 2701 transitions. [2018-12-08 16:36:33,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 2701 transitions. [2018-12-08 16:36:33,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-12-08 16:36:33,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:36:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:33,829 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-08 16:36:34,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:36:34,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2275 states and 2706 transitions. [2018-12-08 16:36:34,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2275 states and 2706 transitions. [2018-12-08 16:36:34,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-08 16:36:34,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:36:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:34,754 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-12-08 16:36:38,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:36:38,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 2309 states and 2740 transitions. [2018-12-08 16:36:38,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 2740 transitions. [2018-12-08 16:36:38,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-08 16:36:38,704 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:36:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:38,765 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-12-08 16:36:39,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:36:39,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2311 states and 2741 transitions. [2018-12-08 16:36:39,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2311 states and 2741 transitions. [2018-12-08 16:36:39,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-08 16:36:39,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:36:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:39,407 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-12-08 16:36:39,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:36:39,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 2323 states and 2751 transitions. [2018-12-08 16:36:39,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2323 states and 2751 transitions. [2018-12-08 16:36:39,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-08 16:36:39,965 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:36:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:40,027 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-12-08 16:36:50,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:36:50,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2359 states and 2799 transitions. [2018-12-08 16:36:50,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2359 states and 2799 transitions. [2018-12-08 16:36:50,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-08 16:36:50,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:36:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:50,108 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-12-08 16:36:50,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:36:50,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2360 states and 2799 transitions. [2018-12-08 16:36:50,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 2799 transitions. [2018-12-08 16:36:50,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-08 16:36:50,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:36:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:36:50,715 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-12-08 16:37:00,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:37:00,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 2377 states and 2821 transitions. [2018-12-08 16:37:00,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2377 states and 2821 transitions. [2018-12-08 16:37:00,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-08 16:37:00,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:37:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:37:00,759 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-12-08 16:37:01,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:37:01,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 2378 states and 2821 transitions. [2018-12-08 16:37:01,228 INFO L276 IsEmpty]: Start isEmpty. Operand 2378 states and 2821 transitions. [2018-12-08 16:37:01,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 16:37:01,230 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:37:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:37:01,284 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-12-08 16:37:04,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:37:04,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2392 states and 2841 transitions. [2018-12-08 16:37:04,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 2841 transitions. [2018-12-08 16:37:04,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 16:37:04,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:37:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:37:04,631 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-12-08 16:37:10,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:37:10,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2398 states and 2853 transitions. [2018-12-08 16:37:10,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2398 states and 2853 transitions. [2018-12-08 16:37:10,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 16:37:10,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:37:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:37:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-12-08 16:37:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:37:10,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2399 states and 2853 transitions. [2018-12-08 16:37:10,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2399 states and 2853 transitions. [2018-12-08 16:37:10,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 16:37:10,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:37:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:37:10,802 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 453 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2018-12-08 16:37:11,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:37:11,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 2400 states and 2854 transitions. [2018-12-08 16:37:11,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2400 states and 2854 transitions. [2018-12-08 16:37:11,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-08 16:37:11,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:37:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:37:12,085 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 16:37:15,448 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-12-08 16:37:17,596 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2018-12-08 16:37:23,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:37:23,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2904 states to 2439 states and 2904 transitions. [2018-12-08 16:37:23,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 2904 transitions. [2018-12-08 16:37:23,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-08 16:37:23,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:37:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:37:23,502 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 16:37:24,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:37:24,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2904 states to 2440 states and 2904 transitions. [2018-12-08 16:37:24,097 INFO L276 IsEmpty]: Start isEmpty. Operand 2440 states and 2904 transitions. [2018-12-08 16:37:24,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-08 16:37:24,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:37:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:37:24,209 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 16:37:28,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:37:28,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2457 states and 2923 transitions. [2018-12-08 16:37:28,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 2923 transitions. [2018-12-08 16:37:28,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-12-08 16:37:28,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:37:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:37:29,142 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 16:37:30,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:37:30,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2458 states and 2923 transitions. [2018-12-08 16:37:30,108 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 2923 transitions. [2018-12-08 16:37:30,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-08 16:37:30,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:37:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:37:30,204 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-08 16:37:31,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:37:31,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 2463 states and 2930 transitions. [2018-12-08 16:37:31,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2463 states and 2930 transitions. [2018-12-08 16:37:31,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-08 16:37:31,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:37:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:37:35,443 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-08 16:37:36,586 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-08 16:37:37,989 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2018-12-08 16:37:39,409 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 27 [2018-12-08 16:37:40,790 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 16:37:46,340 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-08 16:37:49,645 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-08 16:38:06,256 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2018-12-08 16:38:24,608 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-08 16:38:26,469 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-08 16:38:29,201 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-08 16:38:31,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:38:31,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2468 states and 2972 transitions. [2018-12-08 16:38:31,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2468 states and 2972 transitions. [2018-12-08 16:38:31,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:38:31,504 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 160 iterations. [2018-12-08 16:38:31,510 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 16:38:31,624 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 28 [2018-12-08 16:38:31,923 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 53 [2018-12-08 16:38:32,195 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 49 [2018-12-08 16:38:32,464 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 48 [2018-12-08 16:38:32,594 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 25 [2018-12-08 16:38:32,761 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 35 [2018-12-08 16:38:32,989 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 52 [2018-12-08 16:38:33,157 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 25 [2018-12-08 16:38:33,289 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 32 [2018-12-08 16:38:33,465 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 35 [2018-12-08 16:38:33,665 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 35 [2018-12-08 16:38:33,809 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 35 [2018-12-08 16:38:34,000 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 30 [2018-12-08 16:38:34,342 WARN L180 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 52 [2018-12-08 16:38:34,605 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 49 [2018-12-08 16:38:34,800 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 48 [2018-12-08 16:38:35,635 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 32 [2018-12-08 16:38:35,855 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 35 [2018-12-08 16:38:36,179 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 32 [2018-12-08 16:38:36,450 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 48 [2018-12-08 16:38:36,584 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 32 [2018-12-08 16:38:36,798 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 28 [2018-12-08 16:38:36,912 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 25 [2018-12-08 16:38:37,523 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 54 [2018-12-08 16:38:37,934 WARN L180 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 71 [2018-12-08 16:38:38,459 WARN L180 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 48 [2018-12-08 16:38:38,697 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 49 [2018-12-08 16:38:38,887 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 49 [2018-12-08 16:38:39,015 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 32 [2018-12-08 16:38:39,195 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 35 [2018-12-08 16:38:39,195 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:38:39,197 INFO L583 CodeCheckObserver]: Invariant with dag size 25 [2018-12-08 16:38:39,202 INFO L583 CodeCheckObserver]: Invariant with dag size 25 [2018-12-08 16:38:39,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 04:38:39 ImpRootNode [2018-12-08 16:38:39,202 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 16:38:39,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:38:39,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:38:39,203 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:38:39,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:32:59" (3/4) ... [2018-12-08 16:38:39,206 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:38:39,216 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-08 16:38:39,217 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-08 16:38:39,217 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 16:38:39,275 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7c221a72-cea9-4302-83a8-a3880d12ca2f/bin-2019/ukojak/witness.graphml [2018-12-08 16:38:39,275 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:38:39,276 INFO L168 Benchmark]: Toolchain (without parser) took 340910.75 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 810.5 MB). Free memory was 950.6 MB in the beginning and 930.9 MB in the end (delta: 19.7 MB). Peak memory consumption was 830.3 MB. Max. memory is 11.5 GB. [2018-12-08 16:38:39,276 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:38:39,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -137.1 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:38:39,277 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:38:39,277 INFO L168 Benchmark]: Boogie Preprocessor took 29.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:38:39,277 INFO L168 Benchmark]: RCFGBuilder took 1096.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 869.1 MB in the end (delta: 207.9 MB). Peak memory consumption was 207.9 MB. Max. memory is 11.5 GB. [2018-12-08 16:38:39,277 INFO L168 Benchmark]: CodeCheck took 339369.38 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 710.9 MB). Free memory was 869.1 MB in the beginning and 948.4 MB in the end (delta: -79.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-08 16:38:39,278 INFO L168 Benchmark]: Witness Printer took 72.74 ms. Allocated memory is still 1.8 GB. Free memory was 948.4 MB in the beginning and 930.9 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:38:39,279 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 331.6s OverallTime, 160 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -469728996 SDtfs, -2058643356 SDslu, 1476593316 SDs, 0 SdLazy, 148360902 SolverSat, 515378830 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 646.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 181934 GetRequests, 177030 SyntacticMatches, 3034 SemanticMatches, 1870 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2530030 ImplicationChecksByTransitivity, 307.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 34.1s InterpolantComputationTime, 26642 NumberOfCodeBlocks, 26642 NumberOfCodeBlocksAsserted, 159 NumberOfCheckSat, 26483 ConstructedInterpolants, 0 QuantifiedInterpolants, 20855384 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 159 InterpolantComputations, 128 PerfectInterpolantSequences, 27975/28899 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: 455]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((!(a7 == 1) || a17 == 1) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1)) || !(a16 == 6) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a7 == 1) || a17 == 1) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1)) || !(a16 == 6) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 300.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -137.1 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1096.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 869.1 MB in the end (delta: 207.9 MB). Peak memory consumption was 207.9 MB. Max. memory is 11.5 GB. * CodeCheck took 339369.38 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 710.9 MB). Free memory was 869.1 MB in the beginning and 948.4 MB in the end (delta: -79.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 72.74 ms. Allocated memory is still 1.8 GB. Free memory was 948.4 MB in the beginning and 930.9 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...