./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label02_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_93f3aba9-014a-4daa-a40b-3424b0b4de8a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_93f3aba9-014a-4daa-a40b-3424b0b4de8a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_93f3aba9-014a-4daa-a40b-3424b0b4de8a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_93f3aba9-014a-4daa-a40b-3424b0b4de8a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_93f3aba9-014a-4daa-a40b-3424b0b4de8a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_93f3aba9-014a-4daa-a40b-3424b0b4de8a/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 addc9e4e4fc897318cfe4d26c9760729a73864e1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 10:33:12,403 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:33:12,404 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:33:12,412 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:33:12,412 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:33:12,412 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:33:12,413 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:33:12,414 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:33:12,415 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:33:12,415 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:33:12,416 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:33:12,416 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:33:12,416 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:33:12,417 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:33:12,418 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:33:12,418 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:33:12,419 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:33:12,420 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:33:12,421 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:33:12,422 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:33:12,423 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:33:12,424 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:33:12,425 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:33:12,426 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:33:12,426 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:33:12,426 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:33:12,427 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:33:12,428 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:33:12,428 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:33:12,429 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:33:12,429 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:33:12,430 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:33:12,430 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:33:12,430 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:33:12,430 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:33:12,431 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:33:12,431 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_93f3aba9-014a-4daa-a40b-3424b0b4de8a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 10:33:12,439 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:33:12,439 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:33:12,440 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:33:12,440 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:33:12,441 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:33:12,441 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:33:12,441 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:33:12,441 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:33:12,441 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:33:12,441 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:33:12,441 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:33:12,442 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:33:12,442 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:33:12,442 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:33:12,442 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:33:12,442 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:33:12,442 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:33:12,442 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:33:12,443 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 10:33:12,443 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 10:33:12,443 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:33:12,443 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:33:12,443 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:33:12,443 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:33:12,443 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:33:12,444 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:33:12,444 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 10:33:12,444 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:33:12,444 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:33:12,444 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_93f3aba9-014a-4daa-a40b-3424b0b4de8a/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 -> addc9e4e4fc897318cfe4d26c9760729a73864e1 [2018-11-18 10:33:12,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:33:12,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:33:12,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:33:12,477 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:33:12,478 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:33:12,478 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_93f3aba9-014a-4daa-a40b-3424b0b4de8a/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c [2018-11-18 10:33:12,514 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93f3aba9-014a-4daa-a40b-3424b0b4de8a/bin-2019/ukojak/data/588d4a492/e41ab2245bf54d05b7688ad2e70fe0b9/FLAGd0e9b82fd [2018-11-18 10:33:12,860 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:33:12,861 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_93f3aba9-014a-4daa-a40b-3424b0b4de8a/sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c [2018-11-18 10:33:12,869 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93f3aba9-014a-4daa-a40b-3424b0b4de8a/bin-2019/ukojak/data/588d4a492/e41ab2245bf54d05b7688ad2e70fe0b9/FLAGd0e9b82fd [2018-11-18 10:33:12,881 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_93f3aba9-014a-4daa-a40b-3424b0b4de8a/bin-2019/ukojak/data/588d4a492/e41ab2245bf54d05b7688ad2e70fe0b9 [2018-11-18 10:33:12,885 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:33:12,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:33:12,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:33:12,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:33:12,890 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:33:12,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:33:12" (1/1) ... [2018-11-18 10:33:12,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3275144b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:33:12, skipping insertion in model container [2018-11-18 10:33:12,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:33:12" (1/1) ... [2018-11-18 10:33:12,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:33:12,932 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:33:13,176 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:33:13,180 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:33:13,245 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:33:13,257 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:33:13,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:33:13 WrapperNode [2018-11-18 10:33:13,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:33:13,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:33:13,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:33:13,259 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:33:13,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:33:13" (1/1) ... [2018-11-18 10:33:13,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:33:13" (1/1) ... [2018-11-18 10:33:13,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:33:13,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:33:13,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:33:13,364 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:33:13,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:33:13" (1/1) ... [2018-11-18 10:33:13,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:33:13" (1/1) ... [2018-11-18 10:33:13,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:33:13" (1/1) ... [2018-11-18 10:33:13,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:33:13" (1/1) ... [2018-11-18 10:33:13,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:33:13" (1/1) ... [2018-11-18 10:33:13,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:33:13" (1/1) ... [2018-11-18 10:33:13,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:33:13" (1/1) ... [2018-11-18 10:33:13,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:33:13,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:33:13,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:33:13,404 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:33:13,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:33:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93f3aba9-014a-4daa-a40b-3424b0b4de8a/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 10:33:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 10:33:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:33:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:33:14,882 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:33:14,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:33:14 BoogieIcfgContainer [2018-11-18 10:33:14,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:33:14,883 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 10:33:14,883 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 10:33:14,891 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 10:33:14,891 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:33:14" (1/1) ... [2018-11-18 10:33:14,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:33:14,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:14,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-18 10:33:14,924 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-18 10:33:14,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 10:33:14,927 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:15,173 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 10:33:15,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:15,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 147 states and 222 transitions. [2018-11-18 10:33:15,558 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 222 transitions. [2018-11-18 10:33:15,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 10:33:15,560 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:15,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 10:33:15,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:15,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 148 states and 223 transitions. [2018-11-18 10:33:15,711 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 223 transitions. [2018-11-18 10:33:15,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 10:33:15,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:15,756 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:33:15,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:15,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 154 states and 233 transitions. [2018-11-18 10:33:15,828 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 233 transitions. [2018-11-18 10:33:15,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 10:33:15,829 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:15,905 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 10:33:16,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:16,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 232 states and 330 transitions. [2018-11-18 10:33:16,436 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 330 transitions. [2018-11-18 10:33:16,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 10:33:16,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:16,480 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:33:16,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:16,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 245 states and 347 transitions. [2018-11-18 10:33:16,685 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 347 transitions. [2018-11-18 10:33:16,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 10:33:16,686 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:16,718 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 10:33:16,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:16,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 250 states and 354 transitions. [2018-11-18 10:33:16,817 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 354 transitions. [2018-11-18 10:33:16,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 10:33:16,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:16,843 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 10:33:16,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:16,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 252 states and 355 transitions. [2018-11-18 10:33:16,925 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 355 transitions. [2018-11-18 10:33:16,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 10:33:16,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:16,953 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:33:17,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:17,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 266 states and 371 transitions. [2018-11-18 10:33:17,144 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 371 transitions. [2018-11-18 10:33:17,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 10:33:17,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:17,204 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 10:33:17,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:17,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 269 states and 375 transitions. [2018-11-18 10:33:17,230 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 375 transitions. [2018-11-18 10:33:17,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 10:33:17,231 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:17,286 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:33:17,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:17,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 275 states and 381 transitions. [2018-11-18 10:33:17,323 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 381 transitions. [2018-11-18 10:33:17,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 10:33:17,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:17,357 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 10:33:17,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:17,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 276 states and 382 transitions. [2018-11-18 10:33:17,393 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 382 transitions. [2018-11-18 10:33:17,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 10:33:17,393 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 10:33:17,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:17,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 291 states and 402 transitions. [2018-11-18 10:33:17,906 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 402 transitions. [2018-11-18 10:33:17,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 10:33:17,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:17,985 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:33:18,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:18,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 317 states and 432 transitions. [2018-11-18 10:33:18,416 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 432 transitions. [2018-11-18 10:33:18,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 10:33:18,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:18,662 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:33:19,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:19,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 343 states and 462 transitions. [2018-11-18 10:33:19,262 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 462 transitions. [2018-11-18 10:33:19,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 10:33:19,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:19,348 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 10:33:19,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:19,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 354 states and 476 transitions. [2018-11-18 10:33:19,977 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 476 transitions. [2018-11-18 10:33:19,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 10:33:19,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:20,004 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 10:33:20,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:20,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 369 states and 493 transitions. [2018-11-18 10:33:20,170 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 493 transitions. [2018-11-18 10:33:20,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 10:33:20,170 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:20,200 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 10:33:20,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:20,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 371 states and 494 transitions. [2018-11-18 10:33:20,335 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 494 transitions. [2018-11-18 10:33:20,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 10:33:20,335 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:20,411 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 10:33:20,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:20,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 387 states and 514 transitions. [2018-11-18 10:33:20,932 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 514 transitions. [2018-11-18 10:33:20,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 10:33:20,933 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:20,995 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 10:33:21,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:21,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 401 states and 529 transitions. [2018-11-18 10:33:21,170 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 529 transitions. [2018-11-18 10:33:21,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 10:33:21,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:21,202 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 10:33:21,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:21,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 404 states and 533 transitions. [2018-11-18 10:33:21,317 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 533 transitions. [2018-11-18 10:33:21,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 10:33:21,319 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:21,349 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:33:21,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:21,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 413 states and 542 transitions. [2018-11-18 10:33:21,387 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 542 transitions. [2018-11-18 10:33:21,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 10:33:21,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:21,645 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 10:33:22,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:22,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 438 states and 570 transitions. [2018-11-18 10:33:22,481 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 570 transitions. [2018-11-18 10:33:22,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 10:33:22,482 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:22,501 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 10:33:22,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:22,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 440 states and 572 transitions. [2018-11-18 10:33:22,540 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 572 transitions. [2018-11-18 10:33:22,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 10:33:22,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:22,799 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:33:24,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:24,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 489 states and 628 transitions. [2018-11-18 10:33:24,056 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 628 transitions. [2018-11-18 10:33:24,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 10:33:24,057 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:24,147 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 10:33:24,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:24,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 496 states and 640 transitions. [2018-11-18 10:33:24,477 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 640 transitions. [2018-11-18 10:33:24,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 10:33:24,478 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:24,501 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 10:33:24,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:24,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 503 states and 650 transitions. [2018-11-18 10:33:24,812 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 650 transitions. [2018-11-18 10:33:24,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 10:33:24,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:24,833 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 10:33:25,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:25,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 509 states and 658 transitions. [2018-11-18 10:33:25,124 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 658 transitions. [2018-11-18 10:33:25,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 10:33:25,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:25,195 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:33:26,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:26,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 559 states and 717 transitions. [2018-11-18 10:33:26,860 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 717 transitions. [2018-11-18 10:33:26,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 10:33:26,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:26,898 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:33:27,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:27,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 580 states and 743 transitions. [2018-11-18 10:33:27,583 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 743 transitions. [2018-11-18 10:33:27,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 10:33:27,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:27,607 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:33:28,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:28,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 591 states and 755 transitions. [2018-11-18 10:33:28,196 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 755 transitions. [2018-11-18 10:33:28,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 10:33:28,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:28,214 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:33:28,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:28,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 596 states and 763 transitions. [2018-11-18 10:33:28,251 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 763 transitions. [2018-11-18 10:33:28,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 10:33:28,252 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:28,280 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:33:29,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:29,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 646 states and 819 transitions. [2018-11-18 10:33:29,195 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 819 transitions. [2018-11-18 10:33:29,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 10:33:29,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:29,376 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 10:33:30,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:30,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 656 states and 839 transitions. [2018-11-18 10:33:30,046 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 839 transitions. [2018-11-18 10:33:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 10:33:30,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:30,407 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:33:32,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:32,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 711 states and 905 transitions. [2018-11-18 10:33:32,697 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 905 transitions. [2018-11-18 10:33:32,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 10:33:32,698 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:32,794 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:33:33,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:33,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 730 states and 924 transitions. [2018-11-18 10:33:33,630 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 924 transitions. [2018-11-18 10:33:33,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 10:33:33,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:33,693 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:33:33,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:33,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 733 states and 926 transitions. [2018-11-18 10:33:33,854 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 926 transitions. [2018-11-18 10:33:33,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 10:33:33,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:34,317 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:33:35,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:35,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 750 states and 948 transitions. [2018-11-18 10:33:35,306 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 948 transitions. [2018-11-18 10:33:35,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 10:33:35,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:35,733 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 10:33:36,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:36,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 775 states and 975 transitions. [2018-11-18 10:33:36,752 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 975 transitions. [2018-11-18 10:33:36,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 10:33:36,753 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:36,823 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 10:33:36,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:36,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 779 states and 978 transitions. [2018-11-18 10:33:36,997 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 978 transitions. [2018-11-18 10:33:36,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 10:33:36,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:37,324 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 10:33:38,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:38,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 832 states and 1042 transitions. [2018-11-18 10:33:38,948 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1042 transitions. [2018-11-18 10:33:38,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 10:33:38,948 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:39,109 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 10:33:39,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:39,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 849 states and 1058 transitions. [2018-11-18 10:33:39,426 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1058 transitions. [2018-11-18 10:33:39,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 10:33:39,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:39,456 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:33:39,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:39,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 866 states and 1076 transitions. [2018-11-18 10:33:39,532 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1076 transitions. [2018-11-18 10:33:39,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 10:33:39,533 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:39,565 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 10:33:39,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:39,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 869 states and 1080 transitions. [2018-11-18 10:33:39,632 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1080 transitions. [2018-11-18 10:33:39,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 10:33:39,633 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:39,680 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 10:33:39,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:39,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 870 states and 1081 transitions. [2018-11-18 10:33:39,714 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1081 transitions. [2018-11-18 10:33:39,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 10:33:39,714 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:39,750 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 10:33:39,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:39,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 871 states and 1081 transitions. [2018-11-18 10:33:39,841 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1081 transitions. [2018-11-18 10:33:39,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 10:33:39,842 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:39,978 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 10:33:40,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:40,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 883 states and 1096 transitions. [2018-11-18 10:33:40,695 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1096 transitions. [2018-11-18 10:33:40,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 10:33:40,696 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:40,979 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:33:42,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:42,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 914 states and 1136 transitions. [2018-11-18 10:33:42,485 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1136 transitions. [2018-11-18 10:33:42,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 10:33:42,486 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:42,607 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:33:43,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:43,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 923 states and 1144 transitions. [2018-11-18 10:33:43,010 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1144 transitions. [2018-11-18 10:33:43,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 10:33:43,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:43,054 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 10:33:43,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:43,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 925 states and 1146 transitions. [2018-11-18 10:33:43,114 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1146 transitions. [2018-11-18 10:33:43,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 10:33:43,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:43,485 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 94 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:33:44,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:44,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 959 states and 1189 transitions. [2018-11-18 10:33:44,684 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1189 transitions. [2018-11-18 10:33:44,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 10:33:44,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:44,727 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:33:45,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:45,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 975 states and 1210 transitions. [2018-11-18 10:33:45,832 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1210 transitions. [2018-11-18 10:33:45,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 10:33:45,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:45,864 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:33:46,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:46,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 981 states and 1217 transitions. [2018-11-18 10:33:46,284 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1217 transitions. [2018-11-18 10:33:46,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 10:33:46,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:46,393 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 10:33:47,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:47,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1005 states and 1244 transitions. [2018-11-18 10:33:47,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1244 transitions. [2018-11-18 10:33:47,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 10:33:47,091 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:47,134 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 10:33:47,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:47,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1007 states and 1246 transitions. [2018-11-18 10:33:47,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1246 transitions. [2018-11-18 10:33:47,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 10:33:47,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:47,355 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 10:33:47,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:47,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1008 states and 1246 transitions. [2018-11-18 10:33:47,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1246 transitions. [2018-11-18 10:33:47,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 10:33:47,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:47,579 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 103 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 10:33:49,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:49,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1075 states and 1320 transitions. [2018-11-18 10:33:49,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1320 transitions. [2018-11-18 10:33:49,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-18 10:33:49,239 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:49,831 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 167 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:33:52,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:52,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1120 states and 1377 transitions. [2018-11-18 10:33:52,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1377 transitions. [2018-11-18 10:33:52,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-18 10:33:52,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:52,881 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 167 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:33:53,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:53,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1123 states and 1379 transitions. [2018-11-18 10:33:53,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1379 transitions. [2018-11-18 10:33:53,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 10:33:53,317 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:53,349 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 10:33:53,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:53,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1124 states and 1380 transitions. [2018-11-18 10:33:53,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1380 transitions. [2018-11-18 10:33:53,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 10:33:53,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:54,152 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:33:55,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:55,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1134 states and 1394 transitions. [2018-11-18 10:33:55,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1394 transitions. [2018-11-18 10:33:55,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 10:33:55,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:55,608 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:33:56,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:56,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1158 states and 1418 transitions. [2018-11-18 10:33:56,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1418 transitions. [2018-11-18 10:33:56,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 10:33:56,080 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:56,196 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:33:56,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:56,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1159 states and 1419 transitions. [2018-11-18 10:33:56,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1419 transitions. [2018-11-18 10:33:56,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 10:33:56,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:56,573 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:33:58,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:58,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1175 states and 1447 transitions. [2018-11-18 10:33:58,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1447 transitions. [2018-11-18 10:33:58,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 10:33:58,170 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:58,210 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:33:58,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:58,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1178 states and 1449 transitions. [2018-11-18 10:33:58,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1449 transitions. [2018-11-18 10:33:58,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 10:33:58,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:58,556 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:33:59,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:33:59,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1180 states and 1450 transitions. [2018-11-18 10:33:59,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1450 transitions. [2018-11-18 10:33:59,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 10:33:59,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:33:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:33:59,677 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:34:01,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:01,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1202 states and 1477 transitions. [2018-11-18 10:34:01,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1477 transitions. [2018-11-18 10:34:01,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 10:34:01,829 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:02,098 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 160 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:34:02,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:02,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1207 states and 1483 transitions. [2018-11-18 10:34:02,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1483 transitions. [2018-11-18 10:34:02,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 10:34:02,932 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:03,109 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 118 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:34:04,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:04,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1281 states and 1565 transitions. [2018-11-18 10:34:04,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1565 transitions. [2018-11-18 10:34:04,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 10:34:04,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:04,816 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 118 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:34:05,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:05,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1282 states and 1565 transitions. [2018-11-18 10:34:05,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1565 transitions. [2018-11-18 10:34:05,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 10:34:05,038 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:05,212 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-11-18 10:34:06,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:06,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1377 states and 1666 transitions. [2018-11-18 10:34:06,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1666 transitions. [2018-11-18 10:34:06,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 10:34:06,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:06,477 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 10:34:06,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:06,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1379 states and 1667 transitions. [2018-11-18 10:34:06,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1667 transitions. [2018-11-18 10:34:06,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 10:34:06,787 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:07,229 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 10:34:10,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:10,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1433 states and 1734 transitions. [2018-11-18 10:34:10,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1734 transitions. [2018-11-18 10:34:10,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 10:34:10,301 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:10,443 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 10:34:11,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:11,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1438 states and 1739 transitions. [2018-11-18 10:34:11,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1739 transitions. [2018-11-18 10:34:11,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 10:34:11,054 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:11,375 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 10:34:12,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:12,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1462 states and 1765 transitions. [2018-11-18 10:34:12,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1765 transitions. [2018-11-18 10:34:12,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 10:34:12,377 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:12,478 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 10:34:12,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:12,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1462 states and 1764 transitions. [2018-11-18 10:34:12,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1764 transitions. [2018-11-18 10:34:12,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-18 10:34:12,693 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:13,148 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 280 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:34:15,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:15,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1483 states and 1792 transitions. [2018-11-18 10:34:15,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1792 transitions. [2018-11-18 10:34:15,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 10:34:15,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:15,770 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 10:34:17,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:17,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1515 states and 1829 transitions. [2018-11-18 10:34:17,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1829 transitions. [2018-11-18 10:34:17,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-18 10:34:17,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:17,360 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 10:34:18,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:18,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 1583 states and 1899 transitions. [2018-11-18 10:34:18,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 1899 transitions. [2018-11-18 10:34:18,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 10:34:18,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:19,679 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-18 10:34:22,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:22,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1628 states and 1946 transitions. [2018-11-18 10:34:22,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 1946 transitions. [2018-11-18 10:34:22,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 10:34:22,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:22,387 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-18 10:34:22,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:22,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1631 states and 1949 transitions. [2018-11-18 10:34:22,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 1949 transitions. [2018-11-18 10:34:22,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 10:34:22,675 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:22,744 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 10:34:24,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:24,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1674 states and 1995 transitions. [2018-11-18 10:34:24,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 1995 transitions. [2018-11-18 10:34:24,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 10:34:24,004 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:24,070 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 10:34:24,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:24,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1676 states and 1997 transitions. [2018-11-18 10:34:24,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 1997 transitions. [2018-11-18 10:34:24,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 10:34:24,611 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:24,658 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 10:34:24,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:24,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1683 states and 2005 transitions. [2018-11-18 10:34:24,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2005 transitions. [2018-11-18 10:34:24,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-18 10:34:24,944 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:25,118 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 190 proven. 5 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-11-18 10:34:26,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:26,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 1759 states and 2093 transitions. [2018-11-18 10:34:26,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2093 transitions. [2018-11-18 10:34:26,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 10:34:26,049 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:26,118 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2018-11-18 10:34:26,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:26,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 1763 states and 2096 transitions. [2018-11-18 10:34:26,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2096 transitions. [2018-11-18 10:34:26,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 10:34:26,293 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:27,122 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 10:34:30,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:30,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 1798 states and 2133 transitions. [2018-11-18 10:34:30,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2133 transitions. [2018-11-18 10:34:30,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 10:34:30,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:30,437 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 10:34:31,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:31,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 1811 states and 2150 transitions. [2018-11-18 10:34:31,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2150 transitions. [2018-11-18 10:34:31,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 10:34:31,211 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:31,349 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 10:34:31,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:31,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 1816 states and 2154 transitions. [2018-11-18 10:34:31,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2154 transitions. [2018-11-18 10:34:31,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 10:34:31,946 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:32,658 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 10:34:36,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:36,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 1861 states and 2208 transitions. [2018-11-18 10:34:36,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2208 transitions. [2018-11-18 10:34:36,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 10:34:36,100 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:36,499 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 10:34:37,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:37,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 1886 states and 2235 transitions. [2018-11-18 10:34:37,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2235 transitions. [2018-11-18 10:34:37,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 10:34:37,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:38,126 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 10:34:39,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:39,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 1898 states and 2249 transitions. [2018-11-18 10:34:39,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 2249 transitions. [2018-11-18 10:34:39,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-18 10:34:39,090 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:40,502 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 10:34:44,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:44,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 1951 states and 2305 transitions. [2018-11-18 10:34:44,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2305 transitions. [2018-11-18 10:34:44,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-18 10:34:44,898 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:45,081 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 10:34:46,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:46,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2326 states to 1970 states and 2326 transitions. [2018-11-18 10:34:46,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1970 states and 2326 transitions. [2018-11-18 10:34:46,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-18 10:34:46,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:47,933 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 10:34:49,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:49,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2351 states to 1995 states and 2351 transitions. [2018-11-18 10:34:49,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1995 states and 2351 transitions. [2018-11-18 10:34:49,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-18 10:34:49,840 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:49,986 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 10:34:52,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:52,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 2032 states and 2388 transitions. [2018-11-18 10:34:52,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2388 transitions. [2018-11-18 10:34:52,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-18 10:34:52,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:53,383 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 10:34:56,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:56,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2424 states to 2066 states and 2424 transitions. [2018-11-18 10:34:56,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2424 transitions. [2018-11-18 10:34:56,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-18 10:34:56,910 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:57,056 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 10:34:58,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:58,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 2071 states and 2430 transitions. [2018-11-18 10:34:58,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2430 transitions. [2018-11-18 10:34:58,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-18 10:34:58,181 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:58,506 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 10:34:58,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:58,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 2073 states and 2432 transitions. [2018-11-18 10:34:58,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states and 2432 transitions. [2018-11-18 10:34:58,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-18 10:34:58,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:58,857 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 296 proven. 6 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-11-18 10:34:59,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:59,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 2080 states and 2440 transitions. [2018-11-18 10:34:59,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2440 transitions. [2018-11-18 10:34:59,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-18 10:34:59,138 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:34:59,191 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-11-18 10:34:59,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:34:59,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2100 states and 2464 transitions. [2018-11-18 10:34:59,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2464 transitions. [2018-11-18 10:34:59,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-11-18 10:34:59,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:34:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:35:01,686 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 440 proven. 5 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-18 10:35:09,604 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-11-18 10:35:10,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:35:10,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2222 states and 2612 transitions. [2018-11-18 10:35:10,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2222 states and 2612 transitions. [2018-11-18 10:35:10,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 10:35:10,531 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:35:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:35:10,627 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-18 10:35:10,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:35:10,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2223 states and 2612 transitions. [2018-11-18 10:35:10,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2612 transitions. [2018-11-18 10:35:10,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-11-18 10:35:10,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:35:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:35:10,747 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 472 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2018-11-18 10:35:11,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:35:11,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2231 states and 2621 transitions. [2018-11-18 10:35:11,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2621 transitions. [2018-11-18 10:35:11,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-11-18 10:35:11,176 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:35:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:35:13,282 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 608 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-18 10:35:19,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:35:19,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2326 states and 2724 transitions. [2018-11-18 10:35:19,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2326 states and 2724 transitions. [2018-11-18 10:35:19,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-11-18 10:35:19,614 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:35:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:35:19,748 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 444 proven. 12 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2018-11-18 10:35:20,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:35:20,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2572 states to 2187 states and 2572 transitions. [2018-11-18 10:35:20,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 2572 transitions. [2018-11-18 10:35:20,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:35:20,715 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 106 iterations. [2018-11-18 10:35:20,721 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 10:35:20,908 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 58 [2018-11-18 10:35:21,111 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 58 [2018-11-18 10:35:21,418 WARN L180 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 53 [2018-11-18 10:35:21,616 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 58 [2018-11-18 10:35:21,770 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 53 [2018-11-18 10:35:21,946 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 53 [2018-11-18 10:35:22,083 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 28 [2018-11-18 10:35:22,230 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 38 [2018-11-18 10:35:22,438 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 53 [2018-11-18 10:35:22,643 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 28 [2018-11-18 10:35:22,853 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 59 [2018-11-18 10:35:23,017 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 38 [2018-11-18 10:35:23,221 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 38 [2018-11-18 10:35:23,372 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 38 [2018-11-18 10:35:23,662 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 59 [2018-11-18 10:35:23,875 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 53 [2018-11-18 10:35:24,038 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 58 [2018-11-18 10:35:24,193 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 53 [2018-11-18 10:35:24,414 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 60 [2018-11-18 10:35:24,632 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 58 [2018-11-18 10:35:24,786 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 53 [2018-11-18 10:35:24,941 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 53 [2018-11-18 10:35:25,185 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 58 [2018-11-18 10:35:25,386 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 56 [2018-11-18 10:35:25,493 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 28 [2018-11-18 10:35:25,649 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 53 [2018-11-18 10:35:26,004 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 60 [2018-11-18 10:35:26,190 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 38 [2018-11-18 10:35:26,525 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 60 [2018-11-18 10:35:26,864 WARN L180 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 60 [2018-11-18 10:35:27,103 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 60 [2018-11-18 10:35:27,209 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 31 [2018-11-18 10:35:27,376 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 28 [2018-11-18 10:35:27,577 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 60 [2018-11-18 10:35:27,780 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 58 [2018-11-18 10:35:28,072 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 60 [2018-11-18 10:35:28,268 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 58 [2018-11-18 10:35:28,481 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 53 [2018-11-18 10:35:28,798 WARN L180 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 59 [2018-11-18 10:35:29,081 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 58 [2018-11-18 10:35:29,284 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 58 [2018-11-18 10:35:29,456 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 53 [2018-11-18 10:35:29,683 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 53 [2018-11-18 10:35:29,850 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 53 [2018-11-18 10:35:30,114 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 60 [2018-11-18 10:35:30,259 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 37 [2018-11-18 10:35:30,259 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:35:30,262 INFO L579 CodeCheckObserver]: Invariant with dag size 28 [2018-11-18 10:35:30,268 INFO L579 CodeCheckObserver]: Invariant with dag size 28 [2018-11-18 10:35:30,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:35:30 ImpRootNode [2018-11-18 10:35:30,269 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:35:30,269 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:35:30,269 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:35:30,269 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:35:30,270 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:33:14" (3/4) ... [2018-11-18 10:35:30,273 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:35:30,291 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-18 10:35:30,292 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 10:35:30,294 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-18 10:35:30,396 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_93f3aba9-014a-4daa-a40b-3424b0b4de8a/bin-2019/ukojak/witness.graphml [2018-11-18 10:35:30,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:35:30,397 INFO L168 Benchmark]: Toolchain (without parser) took 137511.37 ms. Allocated memory was 1.0 GB in the beginning and 3.6 GB in the end (delta: 2.5 GB). Free memory was 956.4 MB in the beginning and 1.9 GB in the end (delta: -941.5 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-18 10:35:30,398 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:35:30,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.02 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 918.7 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:35:30,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 918.7 MB in the beginning and 1.1 GB in the end (delta: -215.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:35:30,399 INFO L168 Benchmark]: Boogie Preprocessor took 40.28 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 10:35:30,399 INFO L168 Benchmark]: RCFGBuilder took 1479.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.8 MB in the end (delta: 239.3 MB). Peak memory consumption was 239.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:35:30,399 INFO L168 Benchmark]: CodeCheck took 135385.40 ms. Allocated memory was 1.2 GB in the beginning and 3.6 GB in the end (delta: 2.4 GB). Free memory was 891.8 MB in the beginning and 1.9 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-11-18 10:35:30,400 INFO L168 Benchmark]: Witness Printer took 127.50 ms. Allocated memory is still 3.6 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 10.8 kB). Peak memory consumption was 10.8 kB. Max. memory is 11.5 GB. [2018-11-18 10:35:30,401 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, 125.8s OverallTime, 106 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1592753580 SDtfs, -432715908 SDslu, 144954186 SDs, 0 SdLazy, -1801783892 SolverSat, 1212529390 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 304.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123999 GetRequests, 118498 SyntacticMatches, 4105 SemanticMatches, 1396 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1433694 ImplicationChecksByTransitivity, 109.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 18.9s InterpolantComputationTime, 18537 NumberOfCodeBlocks, 18537 NumberOfCodeBlocksAsserted, 105 NumberOfCheckSat, 18432 ConstructedInterpolants, 0 QuantifiedInterpolants, 25574487 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 105 InterpolantComputations, 73 PerfectInterpolantSequences, 18809/19457 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: 446]: 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: (((((((!(a21 == 1) && a17 <= 0) && a12 == 8) && a20 == 1) && a16 == 6) || !(a8 == 13)) || a17 == 1) || ((((!(a21 == 1) && a16 == 4) && a17 <= 0) && a12 == 8) && a20 == 1)) || !(a7 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((!(a21 == 1) && a17 <= 0) && a12 == 8) && a20 == 1) && a16 == 6) || a17 == 1) || !(a8 == 13)) || ((((!(a21 == 1) && a16 == 4) && a17 <= 0) && a12 == 8) && a20 == 1)) || !(a7 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.02 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 918.7 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 104.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 918.7 MB in the beginning and 1.1 GB in the end (delta: -215.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.28 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 1479.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.8 MB in the end (delta: 239.3 MB). Peak memory consumption was 239.3 MB. Max. memory is 11.5 GB. * CodeCheck took 135385.40 ms. Allocated memory was 1.2 GB in the beginning and 3.6 GB in the end (delta: 2.4 GB). Free memory was 891.8 MB in the beginning and 1.9 GB in the end (delta: -1.0 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. * Witness Printer took 127.50 ms. Allocated memory is still 3.6 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 10.8 kB). Peak memory consumption was 10.8 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...