./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label31_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_749f53d2-3a5f-457c-8f6c-fa7a756ef3e4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_749f53d2-3a5f-457c-8f6c-fa7a756ef3e4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_749f53d2-3a5f-457c-8f6c-fa7a756ef3e4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_749f53d2-3a5f-457c-8f6c-fa7a756ef3e4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label31_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_749f53d2-3a5f-457c-8f6c-fa7a756ef3e4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_749f53d2-3a5f-457c-8f6c-fa7a756ef3e4/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 6c11a77ae60398387f07c46b13bc2f8c57513c68 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:13:53,969 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:13:53,969 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:13:53,977 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:13:53,977 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:13:53,978 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:13:53,978 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:13:53,979 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:13:53,980 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:13:53,981 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:13:53,982 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:13:53,982 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:13:53,983 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:13:53,983 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:13:53,984 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:13:53,984 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:13:53,985 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:13:53,986 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:13:53,987 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:13:53,988 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:13:53,989 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:13:53,990 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:13:53,991 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:13:53,991 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:13:53,992 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:13:53,992 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:13:53,993 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:13:53,993 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:13:53,994 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:13:53,995 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:13:53,995 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:13:53,995 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:13:53,996 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:13:53,996 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:13:53,996 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:13:53,997 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:13:53,997 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_749f53d2-3a5f-457c-8f6c-fa7a756ef3e4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 16:13:54,007 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:13:54,007 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:13:54,007 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:13:54,008 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:13:54,008 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:13:54,008 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:13:54,008 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:13:54,009 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:13:54,009 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:13:54,009 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:13:54,009 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:13:54,009 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:13:54,009 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:13:54,009 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:13:54,010 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:13:54,010 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:13:54,010 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:13:54,010 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:13:54,010 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 16:13:54,010 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 16:13:54,010 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:13:54,011 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:13:54,011 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:13:54,011 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:13:54,011 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:13:54,011 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:13:54,011 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 16:13:54,011 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:13:54,012 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:13:54,012 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_749f53d2-3a5f-457c-8f6c-fa7a756ef3e4/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 -> 6c11a77ae60398387f07c46b13bc2f8c57513c68 [2018-11-18 16:13:54,034 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:13:54,042 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:13:54,045 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:13:54,046 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:13:54,046 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:13:54,046 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_749f53d2-3a5f-457c-8f6c-fa7a756ef3e4/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label31_true-unreach-call_false-termination.c [2018-11-18 16:13:54,083 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_749f53d2-3a5f-457c-8f6c-fa7a756ef3e4/bin-2019/ukojak/data/e3e382fc9/843f3d6eea6c4001be18e714fb08deed/FLAGb5be933a1 [2018-11-18 16:13:54,522 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:13:54,522 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_749f53d2-3a5f-457c-8f6c-fa7a756ef3e4/sv-benchmarks/c/eca-rers2012/Problem01_label31_true-unreach-call_false-termination.c [2018-11-18 16:13:54,531 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_749f53d2-3a5f-457c-8f6c-fa7a756ef3e4/bin-2019/ukojak/data/e3e382fc9/843f3d6eea6c4001be18e714fb08deed/FLAGb5be933a1 [2018-11-18 16:13:54,543 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_749f53d2-3a5f-457c-8f6c-fa7a756ef3e4/bin-2019/ukojak/data/e3e382fc9/843f3d6eea6c4001be18e714fb08deed [2018-11-18 16:13:54,545 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:13:54,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:13:54,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:13:54,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:13:54,550 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:13:54,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:13:54" (1/1) ... [2018-11-18 16:13:54,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6394d5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:13:54, skipping insertion in model container [2018-11-18 16:13:54,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:13:54" (1/1) ... [2018-11-18 16:13:54,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:13:54,594 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:13:54,831 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:13:54,835 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:13:54,901 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:13:54,914 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:13:54,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:13:54 WrapperNode [2018-11-18 16:13:54,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:13:54,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:13:54,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:13:54,915 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:13:54,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:13:54" (1/1) ... [2018-11-18 16:13:54,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:13:54" (1/1) ... [2018-11-18 16:13:55,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:13:55,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:13:55,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:13:55,019 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:13:55,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:13:54" (1/1) ... [2018-11-18 16:13:55,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:13:54" (1/1) ... [2018-11-18 16:13:55,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:13:54" (1/1) ... [2018-11-18 16:13:55,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:13:54" (1/1) ... [2018-11-18 16:13:55,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:13:54" (1/1) ... [2018-11-18 16:13:55,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:13:54" (1/1) ... [2018-11-18 16:13:55,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:13:54" (1/1) ... [2018-11-18 16:13:55,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:13:55,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:13:55,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:13:55,063 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:13:55,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:13:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_749f53d2-3a5f-457c-8f6c-fa7a756ef3e4/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:13:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 16:13:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:13:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:13:56,385 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:13:56,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:13:56 BoogieIcfgContainer [2018-11-18 16:13:56,386 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:13:56,386 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 16:13:56,386 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 16:13:56,393 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 16:13:56,394 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:13:56" (1/1) ... [2018-11-18 16:13:56,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:13:56,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:13:56,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-18 16:13:56,427 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-18 16:13:56,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 16:13:56,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:13:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:13:56,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:13:57,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:13:57,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 147 states and 233 transitions. [2018-11-18 16:13:57,035 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 233 transitions. [2018-11-18 16:13:57,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 16:13:57,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:13:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:13:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:13:57,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:13:57,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 218 states and 307 transitions. [2018-11-18 16:13:57,435 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 307 transitions. [2018-11-18 16:13:57,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 16:13:57,437 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:13:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:13:57,488 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 16:13:57,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:13:57,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 219 states and 308 transitions. [2018-11-18 16:13:57,566 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 308 transitions. [2018-11-18 16:13:57,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 16:13:57,568 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:13:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:13:57,603 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:13:57,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:13:57,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 235 states and 327 transitions. [2018-11-18 16:13:57,697 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 327 transitions. [2018-11-18 16:13:57,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 16:13:57,715 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:13:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:13:57,739 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 16:13:57,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:13:57,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 236 states and 329 transitions. [2018-11-18 16:13:57,836 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 329 transitions. [2018-11-18 16:13:57,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 16:13:57,839 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:13:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:13:57,899 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:13:58,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:13:58,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 257 states and 355 transitions. [2018-11-18 16:13:58,076 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 355 transitions. [2018-11-18 16:13:58,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 16:13:58,077 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:13:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:13:58,104 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 16:13:58,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:13:58,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 258 states and 356 transitions. [2018-11-18 16:13:58,197 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 356 transitions. [2018-11-18 16:13:58,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 16:13:58,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:13:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:13:58,223 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 16:13:58,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:13:58,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 259 states and 358 transitions. [2018-11-18 16:13:58,344 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 358 transitions. [2018-11-18 16:13:58,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 16:13:58,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:13:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:13:58,387 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:13:58,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:13:58,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 286 states and 392 transitions. [2018-11-18 16:13:58,763 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 392 transitions. [2018-11-18 16:13:58,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 16:13:58,764 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:13:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:13:58,786 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 16:13:58,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:13:58,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 291 states and 400 transitions. [2018-11-18 16:13:58,894 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 400 transitions. [2018-11-18 16:13:58,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 16:13:58,895 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:13:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:13:58,915 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:13:58,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:13:58,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 295 states and 404 transitions. [2018-11-18 16:13:58,978 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 404 transitions. [2018-11-18 16:13:58,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 16:13:58,979 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:13:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:13:59,042 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 16:13:59,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:13:59,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 311 states and 427 transitions. [2018-11-18 16:13:59,374 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 427 transitions. [2018-11-18 16:13:59,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 16:13:59,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:13:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:13:59,395 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 16:13:59,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:13:59,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 317 states and 434 transitions. [2018-11-18 16:13:59,419 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 434 transitions. [2018-11-18 16:13:59,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 16:13:59,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:13:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:13:59,445 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 16:13:59,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:13:59,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 322 states and 438 transitions. [2018-11-18 16:13:59,589 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 438 transitions. [2018-11-18 16:13:59,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 16:13:59,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:13:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:13:59,624 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:13:59,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:13:59,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 336 states and 452 transitions. [2018-11-18 16:13:59,680 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 452 transitions. [2018-11-18 16:13:59,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 16:13:59,681 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:13:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:13:59,758 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 16:14:00,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:00,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 346 states and 468 transitions. [2018-11-18 16:14:00,004 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 468 transitions. [2018-11-18 16:14:00,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 16:14:00,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:00,097 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 16:14:00,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:00,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 361 states and 488 transitions. [2018-11-18 16:14:00,442 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 488 transitions. [2018-11-18 16:14:00,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 16:14:00,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:00,483 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:14:00,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:00,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 386 states and 514 transitions. [2018-11-18 16:14:00,712 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 514 transitions. [2018-11-18 16:14:00,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 16:14:00,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:00,814 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 16:14:01,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:01,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 399 states and 529 transitions. [2018-11-18 16:14:01,198 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 529 transitions. [2018-11-18 16:14:01,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 16:14:01,199 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:01,243 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:14:01,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:01,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 406 states and 537 transitions. [2018-11-18 16:14:01,285 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 537 transitions. [2018-11-18 16:14:01,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 16:14:01,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:01,409 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 16:14:01,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:01,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 421 states and 555 transitions. [2018-11-18 16:14:01,895 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 555 transitions. [2018-11-18 16:14:01,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 16:14:01,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:01,924 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 16:14:02,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:02,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 425 states and 561 transitions. [2018-11-18 16:14:02,062 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 561 transitions. [2018-11-18 16:14:02,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 16:14:02,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:02,095 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 16:14:02,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:02,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 431 states and 569 transitions. [2018-11-18 16:14:02,328 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 569 transitions. [2018-11-18 16:14:02,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 16:14:02,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:02,360 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 16:14:02,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:02,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 445 states and 584 transitions. [2018-11-18 16:14:02,432 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 584 transitions. [2018-11-18 16:14:02,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 16:14:02,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:02,582 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:14:03,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:03,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 491 states and 640 transitions. [2018-11-18 16:14:03,420 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 640 transitions. [2018-11-18 16:14:03,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 16:14:03,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:03,531 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:14:03,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:03,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 511 states and 664 transitions. [2018-11-18 16:14:03,997 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 664 transitions. [2018-11-18 16:14:03,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 16:14:03,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:04,093 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:14:04,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:04,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 532 states and 687 transitions. [2018-11-18 16:14:04,396 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 687 transitions. [2018-11-18 16:14:04,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 16:14:04,397 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:04,488 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:14:04,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:04,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 533 states and 687 transitions. [2018-11-18 16:14:04,605 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 687 transitions. [2018-11-18 16:14:04,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 16:14:04,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:04,635 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 16:14:04,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:04,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 540 states and 696 transitions. [2018-11-18 16:14:04,709 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 696 transitions. [2018-11-18 16:14:04,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 16:14:04,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:04,739 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 16:14:05,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:05,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 565 states and 721 transitions. [2018-11-18 16:14:05,162 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 721 transitions. [2018-11-18 16:14:05,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 16:14:05,163 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:05,187 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 16:14:05,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:05,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 574 states and 731 transitions. [2018-11-18 16:14:05,248 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 731 transitions. [2018-11-18 16:14:05,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 16:14:05,248 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:05,316 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 16:14:05,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:05,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 588 states and 747 transitions. [2018-11-18 16:14:05,675 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 747 transitions. [2018-11-18 16:14:05,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 16:14:05,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:05,697 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 16:14:05,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:05,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 591 states and 750 transitions. [2018-11-18 16:14:05,723 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 750 transitions. [2018-11-18 16:14:05,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 16:14:05,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:05,983 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 16:14:06,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:06,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 605 states and 766 transitions. [2018-11-18 16:14:06,439 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 766 transitions. [2018-11-18 16:14:06,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 16:14:06,439 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:06,583 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 16:14:06,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:06,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 606 states and 771 transitions. [2018-11-18 16:14:06,799 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 771 transitions. [2018-11-18 16:14:06,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 16:14:06,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:07,122 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:14:08,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:08,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 671 states and 840 transitions. [2018-11-18 16:14:08,253 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 840 transitions. [2018-11-18 16:14:08,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 16:14:08,254 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:08,291 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 16:14:08,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:08,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 672 states and 845 transitions. [2018-11-18 16:14:08,336 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 845 transitions. [2018-11-18 16:14:08,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 16:14:08,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:08,708 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:14:09,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:09,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 673 states and 854 transitions. [2018-11-18 16:14:09,018 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 854 transitions. [2018-11-18 16:14:09,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 16:14:09,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:09,082 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:14:10,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:10,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 742 states and 926 transitions. [2018-11-18 16:14:10,019 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 926 transitions. [2018-11-18 16:14:10,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 16:14:10,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:10,076 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 16:14:10,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:10,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 743 states and 926 transitions. [2018-11-18 16:14:10,113 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 926 transitions. [2018-11-18 16:14:10,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 16:14:10,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:10,273 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:14:11,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:11,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 789 states and 973 transitions. [2018-11-18 16:14:11,288 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 973 transitions. [2018-11-18 16:14:11,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 16:14:11,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:11,332 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:14:11,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:11,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 796 states and 982 transitions. [2018-11-18 16:14:11,727 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 982 transitions. [2018-11-18 16:14:11,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 16:14:11,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:11,928 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 115 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 16:14:12,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:12,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 808 states and 1001 transitions. [2018-11-18 16:14:12,605 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1001 transitions. [2018-11-18 16:14:12,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 16:14:12,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:12,635 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 16:14:12,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:12,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 810 states and 1003 transitions. [2018-11-18 16:14:12,658 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1003 transitions. [2018-11-18 16:14:12,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 16:14:12,658 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:12,707 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 16:14:12,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:12,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 812 states and 1005 transitions. [2018-11-18 16:14:12,869 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1005 transitions. [2018-11-18 16:14:12,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-18 16:14:12,870 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:12,912 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 16:14:13,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:13,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 813 states and 1009 transitions. [2018-11-18 16:14:13,073 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1009 transitions. [2018-11-18 16:14:13,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 16:14:13,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 16:14:13,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:13,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 824 states and 1024 transitions. [2018-11-18 16:14:13,727 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1024 transitions. [2018-11-18 16:14:13,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 16:14:13,728 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:13,919 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 110 proven. 11 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 16:14:14,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:14,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 843 states and 1046 transitions. [2018-11-18 16:14:14,463 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1046 transitions. [2018-11-18 16:14:14,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 16:14:14,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:14,891 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 165 proven. 10 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 16:14:15,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:15,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 857 states and 1063 transitions. [2018-11-18 16:14:15,709 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1063 transitions. [2018-11-18 16:14:15,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 16:14:15,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:15,789 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 16:14:15,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:15,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 859 states and 1066 transitions. [2018-11-18 16:14:15,917 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1066 transitions. [2018-11-18 16:14:15,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 16:14:15,917 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:15,961 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 16:14:16,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:16,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 860 states and 1070 transitions. [2018-11-18 16:14:16,214 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1070 transitions. [2018-11-18 16:14:16,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 16:14:16,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:16,634 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:14:19,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:19,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 930 states and 1157 transitions. [2018-11-18 16:14:19,977 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1157 transitions. [2018-11-18 16:14:19,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 16:14:19,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:20,093 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:14:20,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:20,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 944 states and 1173 transitions. [2018-11-18 16:14:20,665 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1173 transitions. [2018-11-18 16:14:20,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 16:14:20,666 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:20,741 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:14:21,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:21,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 961 states and 1190 transitions. [2018-11-18 16:14:21,241 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1190 transitions. [2018-11-18 16:14:21,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 16:14:21,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:21,281 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 16:14:21,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:21,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 962 states and 1190 transitions. [2018-11-18 16:14:21,506 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1190 transitions. [2018-11-18 16:14:21,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 16:14:21,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:21,546 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 16:14:21,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:21,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 963 states and 1190 transitions. [2018-11-18 16:14:21,801 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1190 transitions. [2018-11-18 16:14:21,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 16:14:21,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:21,915 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 127 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 16:14:23,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:23,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1040 states and 1281 transitions. [2018-11-18 16:14:23,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1281 transitions. [2018-11-18 16:14:23,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 16:14:23,163 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:23,510 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 115 proven. 74 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 16:14:24,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:24,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1044 states and 1287 transitions. [2018-11-18 16:14:24,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1287 transitions. [2018-11-18 16:14:24,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 16:14:24,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 16:14:24,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:24,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1048 states and 1293 transitions. [2018-11-18 16:14:24,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1293 transitions. [2018-11-18 16:14:24,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 16:14:24,536 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:24,568 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 16:14:25,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:25,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1096 states and 1343 transitions. [2018-11-18 16:14:25,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1343 transitions. [2018-11-18 16:14:25,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 16:14:25,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:25,781 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:14:27,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:27,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1155 states and 1408 transitions. [2018-11-18 16:14:27,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1408 transitions. [2018-11-18 16:14:27,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 16:14:27,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:27,582 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:14:28,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:28,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1171 states and 1423 transitions. [2018-11-18 16:14:28,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1423 transitions. [2018-11-18 16:14:28,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-18 16:14:28,059 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:28,162 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 129 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 16:14:28,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:28,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1172 states and 1423 transitions. [2018-11-18 16:14:28,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1423 transitions. [2018-11-18 16:14:28,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 16:14:28,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:28,874 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 16:14:30,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:30,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1214 states and 1473 transitions. [2018-11-18 16:14:30,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1473 transitions. [2018-11-18 16:14:30,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 16:14:30,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:31,089 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 16:14:31,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:31,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1231 states and 1491 transitions. [2018-11-18 16:14:31,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1491 transitions. [2018-11-18 16:14:31,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 16:14:31,602 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:31,691 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 16:14:32,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:32,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1262 states and 1525 transitions. [2018-11-18 16:14:32,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1525 transitions. [2018-11-18 16:14:32,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 16:14:32,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:32,157 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 16:14:32,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:32,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1266 states and 1531 transitions. [2018-11-18 16:14:32,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1531 transitions. [2018-11-18 16:14:32,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 16:14:32,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:33,151 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 16:14:35,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:35,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1297 states and 1568 transitions. [2018-11-18 16:14:35,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1568 transitions. [2018-11-18 16:14:35,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 16:14:35,704 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:35,801 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 16:14:36,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:36,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1314 states and 1584 transitions. [2018-11-18 16:14:36,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1584 transitions. [2018-11-18 16:14:36,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-18 16:14:36,753 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:36,911 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-18 16:14:37,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:37,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1385 states and 1658 transitions. [2018-11-18 16:14:37,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1658 transitions. [2018-11-18 16:14:37,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-18 16:14:37,365 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:38,100 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 176 proven. 14 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 16:14:39,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:39,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1406 states and 1682 transitions. [2018-11-18 16:14:39,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1682 transitions. [2018-11-18 16:14:39,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-18 16:14:39,968 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:40,301 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 252 proven. 5 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 16:14:41,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:41,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1418 states and 1703 transitions. [2018-11-18 16:14:41,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1703 transitions. [2018-11-18 16:14:41,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-18 16:14:41,261 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:41,858 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 265 proven. 20 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 16:14:44,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:44,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1440 states and 1734 transitions. [2018-11-18 16:14:44,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1734 transitions. [2018-11-18 16:14:44,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-18 16:14:44,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:44,704 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 265 proven. 20 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 16:14:45,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:45,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 1454 states and 1750 transitions. [2018-11-18 16:14:45,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 1750 transitions. [2018-11-18 16:14:45,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-18 16:14:45,860 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:45,938 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 265 proven. 20 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 16:14:46,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:46,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1463 states and 1758 transitions. [2018-11-18 16:14:46,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1758 transitions. [2018-11-18 16:14:46,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-18 16:14:46,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:46,311 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-11-18 16:14:46,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:46,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1533 states and 1830 transitions. [2018-11-18 16:14:46,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1830 transitions. [2018-11-18 16:14:46,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 16:14:46,690 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:47,238 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 16:14:49,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:49,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1552 states and 1855 transitions. [2018-11-18 16:14:49,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1855 transitions. [2018-11-18 16:14:49,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 16:14:49,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:49,147 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 16:14:49,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:49,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1556 states and 1860 transitions. [2018-11-18 16:14:49,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 1860 transitions. [2018-11-18 16:14:49,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-18 16:14:49,609 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:49,960 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 274 proven. 50 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 16:14:50,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:50,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1557 states and 1862 transitions. [2018-11-18 16:14:50,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1862 transitions. [2018-11-18 16:14:50,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-18 16:14:50,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:50,635 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 274 proven. 50 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 16:14:52,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:52,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1625 states and 1939 transitions. [2018-11-18 16:14:52,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 1939 transitions. [2018-11-18 16:14:52,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 16:14:52,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:53,329 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 16:14:55,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:55,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1652 states and 1968 transitions. [2018-11-18 16:14:55,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1968 transitions. [2018-11-18 16:14:55,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 16:14:55,842 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 16:14:56,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:14:56,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1657 states and 1972 transitions. [2018-11-18 16:14:56,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 1972 transitions. [2018-11-18 16:14:56,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-18 16:14:56,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:14:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:14:57,858 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 16:15:03,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:03,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 1710 states and 2031 transitions. [2018-11-18 16:15:03,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2031 transitions. [2018-11-18 16:15:03,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-18 16:15:03,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 16:15:04,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:04,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 1714 states and 2036 transitions. [2018-11-18 16:15:04,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2036 transitions. [2018-11-18 16:15:04,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-18 16:15:04,563 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:04,806 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 320 proven. 14 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-11-18 16:15:05,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:05,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 1719 states and 2041 transitions. [2018-11-18 16:15:05,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2041 transitions. [2018-11-18 16:15:05,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-18 16:15:05,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:06,863 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 16:15:08,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:08,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 1720 states and 2044 transitions. [2018-11-18 16:15:08,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2044 transitions. [2018-11-18 16:15:08,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-18 16:15:08,031 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:08,247 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 16:15:10,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:10,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 1761 states and 2089 transitions. [2018-11-18 16:15:10,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2089 transitions. [2018-11-18 16:15:10,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-18 16:15:10,789 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:10,929 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 16:15:11,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:11,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 1772 states and 2099 transitions. [2018-11-18 16:15:11,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1772 states and 2099 transitions. [2018-11-18 16:15:11,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-18 16:15:11,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:12,038 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 16:15:12,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:12,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 1786 states and 2112 transitions. [2018-11-18 16:15:12,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2112 transitions. [2018-11-18 16:15:12,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-18 16:15:12,758 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 16:15:14,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:14,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 1797 states and 2124 transitions. [2018-11-18 16:15:14,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2124 transitions. [2018-11-18 16:15:14,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-18 16:15:14,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 16:15:18,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:18,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 1827 states and 2161 transitions. [2018-11-18 16:15:18,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2161 transitions. [2018-11-18 16:15:18,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-18 16:15:18,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:18,410 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 16:15:20,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:20,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 1847 states and 2183 transitions. [2018-11-18 16:15:20,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2183 transitions. [2018-11-18 16:15:20,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-11-18 16:15:20,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:21,027 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 366 proven. 23 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 16:15:22,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:22,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 1852 states and 2191 transitions. [2018-11-18 16:15:22,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2191 transitions. [2018-11-18 16:15:22,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-18 16:15:22,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:22,511 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 350 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 16:15:22,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:22,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1854 states and 2193 transitions. [2018-11-18 16:15:22,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2193 transitions. [2018-11-18 16:15:22,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-18 16:15:22,581 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:22,740 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 313 proven. 2 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-11-18 16:15:23,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:23,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 1874 states and 2223 transitions. [2018-11-18 16:15:23,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2223 transitions. [2018-11-18 16:15:23,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-11-18 16:15:23,530 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:23,931 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 369 proven. 34 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-18 16:15:26,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:26,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 1899 states and 2249 transitions. [2018-11-18 16:15:26,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 2249 transitions. [2018-11-18 16:15:26,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-11-18 16:15:26,058 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:26,161 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 369 proven. 34 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-18 16:15:26,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:26,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2250 states to 1901 states and 2250 transitions. [2018-11-18 16:15:26,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2250 transitions. [2018-11-18 16:15:26,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-11-18 16:15:26,387 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:27,083 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 367 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-11-18 16:15:29,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:29,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2284 states to 1923 states and 2284 transitions. [2018-11-18 16:15:29,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2284 transitions. [2018-11-18 16:15:29,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-11-18 16:15:29,178 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:29,248 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 305 proven. 2 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-11-18 16:15:32,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:32,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 1966 states and 2345 transitions. [2018-11-18 16:15:32,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 2345 transitions. [2018-11-18 16:15:32,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-11-18 16:15:32,424 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:32,491 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 305 proven. 2 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-11-18 16:15:33,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:33,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 1969 states and 2346 transitions. [2018-11-18 16:15:33,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2346 transitions. [2018-11-18 16:15:33,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-11-18 16:15:33,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:33,107 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 305 proven. 2 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-11-18 16:15:33,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:33,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 1986 states and 2363 transitions. [2018-11-18 16:15:33,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2363 transitions. [2018-11-18 16:15:33,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-18 16:15:33,705 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:33,786 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-11-18 16:15:35,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:35,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 2006 states and 2390 transitions. [2018-11-18 16:15:35,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 2390 transitions. [2018-11-18 16:15:35,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-18 16:15:35,113 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:35,172 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-11-18 16:15:35,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:35,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 2010 states and 2397 transitions. [2018-11-18 16:15:35,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2010 states and 2397 transitions. [2018-11-18 16:15:35,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-18 16:15:35,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:35,595 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-11-18 16:15:35,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:35,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2399 states to 2011 states and 2399 transitions. [2018-11-18 16:15:35,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 2399 transitions. [2018-11-18 16:15:35,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-11-18 16:15:35,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:36,021 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 403 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 16:15:37,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:37,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2050 states and 2439 transitions. [2018-11-18 16:15:37,946 INFO L276 IsEmpty]: Start isEmpty. Operand 2050 states and 2439 transitions. [2018-11-18 16:15:37,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-11-18 16:15:37,947 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:38,011 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 403 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 16:15:39,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:39,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2454 states to 2064 states and 2454 transitions. [2018-11-18 16:15:39,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2064 states and 2454 transitions. [2018-11-18 16:15:39,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-11-18 16:15:39,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:39,114 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 403 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 16:15:39,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:39,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2470 states to 2080 states and 2470 transitions. [2018-11-18 16:15:39,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2470 transitions. [2018-11-18 16:15:39,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-11-18 16:15:39,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:39,482 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 321 proven. 3 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2018-11-18 16:15:41,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:41,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2126 states and 2522 transitions. [2018-11-18 16:15:41,393 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 2522 transitions. [2018-11-18 16:15:41,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 16:15:41,394 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:42,011 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 400 proven. 134 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 16:15:43,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:43,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2151 states and 2556 transitions. [2018-11-18 16:15:43,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2151 states and 2556 transitions. [2018-11-18 16:15:43,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 16:15:43,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:43,961 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 400 proven. 134 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 16:15:44,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:44,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2152 states and 2558 transitions. [2018-11-18 16:15:44,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 2558 transitions. [2018-11-18 16:15:44,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 16:15:44,370 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:44,486 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 400 proven. 134 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 16:15:44,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:44,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2156 states and 2562 transitions. [2018-11-18 16:15:44,975 INFO L276 IsEmpty]: Start isEmpty. Operand 2156 states and 2562 transitions. [2018-11-18 16:15:44,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-18 16:15:44,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:45,049 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-11-18 16:15:46,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2583 states to 2177 states and 2583 transitions. [2018-11-18 16:15:46,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 2583 transitions. [2018-11-18 16:15:46,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-18 16:15:46,310 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:48,425 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 507 proven. 5 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-18 16:15:57,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:15:57,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2765 states to 2331 states and 2765 transitions. [2018-11-18 16:15:57,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 2765 transitions. [2018-11-18 16:15:57,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-18 16:15:57,672 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:15:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:15:58,342 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 144 proven. 398 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-11-18 16:16:01,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:16:01,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2365 states and 2801 transitions. [2018-11-18 16:16:01,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 2801 transitions. [2018-11-18 16:16:01,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:16:01,253 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 115 iterations. [2018-11-18 16:16:01,259 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 16:16:01,375 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 11 [2018-11-18 16:16:01,575 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 11 [2018-11-18 16:16:01,746 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 11 [2018-11-18 16:16:01,985 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 11 [2018-11-18 16:16:02,108 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 11 [2018-11-18 16:16:02,230 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2018-11-18 16:16:02,578 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2018-11-18 16:16:02,757 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 11 [2018-11-18 16:16:02,881 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 11 [2018-11-18 16:16:03,218 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 11 [2018-11-18 16:16:03,378 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 11 [2018-11-18 16:16:03,959 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 11 [2018-11-18 16:16:04,446 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2018-11-18 16:16:04,783 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 11 [2018-11-18 16:16:05,057 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 11 [2018-11-18 16:16:05,579 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2018-11-18 16:16:05,788 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 46 [2018-11-18 16:16:06,080 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 11 [2018-11-18 16:16:06,216 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2018-11-18 16:16:06,342 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 11 [2018-11-18 16:16:06,570 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 43 [2018-11-18 16:16:06,570 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 16:16:06,572 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 16:16:06,577 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 16:16:06,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 04:16:06 ImpRootNode [2018-11-18 16:16:06,577 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 16:16:06,578 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:16:06,578 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:16:06,578 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:16:06,578 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:13:56" (3/4) ... [2018-11-18 16:16:06,581 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:16:06,593 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 102 nodes and edges [2018-11-18 16:16:06,594 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 16:16:06,595 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-18 16:16:06,681 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_749f53d2-3a5f-457c-8f6c-fa7a756ef3e4/bin-2019/ukojak/witness.graphml [2018-11-18 16:16:06,681 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:16:06,682 INFO L168 Benchmark]: Toolchain (without parser) took 132136.28 ms. Allocated memory was 1.0 GB in the beginning and 3.7 GB in the end (delta: 2.7 GB). Free memory was 952.8 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-18 16:16:06,682 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:16:06,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.00 ms. Allocated memory is still 1.0 GB. Free memory was 952.8 MB in the beginning and 915.2 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:16:06,683 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 915.2 MB in the beginning and 1.1 GB in the end (delta: -210.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:16:06,683 INFO L168 Benchmark]: Boogie Preprocessor took 43.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:16:06,683 INFO L168 Benchmark]: RCFGBuilder took 1322.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 894.3 MB in the end (delta: 228.4 MB). Peak memory consumption was 228.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:16:06,683 INFO L168 Benchmark]: CodeCheck took 130191.55 ms. Allocated memory was 1.2 GB in the beginning and 3.7 GB in the end (delta: 2.6 GB). Free memory was 894.3 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2018-11-18 16:16:06,684 INFO L168 Benchmark]: Witness Printer took 103.49 ms. Allocated memory is still 3.7 GB. Free memory is still 2.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:16:06,685 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, 199 locations, 1 error locations. SAFE Result, 124.8s OverallTime, 115 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1566143964 SDtfs, 985473472 SDslu, -1150367904 SDs, 0 SdLazy, 483164214 SolverSat, 1026000190 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 324.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 146666 GetRequests, 141036 SyntacticMatches, 4278 SemanticMatches, 1352 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1388780 ImplicationChecksByTransitivity, 106.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 18.4s InterpolantComputationTime, 22651 NumberOfCodeBlocks, 22651 NumberOfCodeBlocksAsserted, 114 NumberOfCheckSat, 22537 ConstructedInterpolants, 0 QuantifiedInterpolants, 30907192 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 114 InterpolantComputations, 76 PerfectInterpolantSequences, 26821/28424 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: 452]: 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: (a20 == 1 || !(a7 == 1)) || !(a16 == 6) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (a20 == 1 || !(a7 == 1)) || !(a16 == 6) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 368.00 ms. Allocated memory is still 1.0 GB. Free memory was 952.8 MB in the beginning and 915.2 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 915.2 MB in the beginning and 1.1 GB in the end (delta: -210.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1322.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 894.3 MB in the end (delta: 228.4 MB). Peak memory consumption was 228.4 MB. Max. memory is 11.5 GB. * CodeCheck took 130191.55 ms. Allocated memory was 1.2 GB in the beginning and 3.7 GB in the end (delta: 2.6 GB). Free memory was 894.3 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. * Witness Printer took 103.49 ms. Allocated memory is still 3.7 GB. Free memory is still 2.4 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...