./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label36_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_ca654b81-77de-4043-b7b6-3554eb3f4d84/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ca654b81-77de-4043-b7b6-3554eb3f4d84/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ca654b81-77de-4043-b7b6-3554eb3f4d84/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ca654b81-77de-4043-b7b6-3554eb3f4d84/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label36_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ca654b81-77de-4043-b7b6-3554eb3f4d84/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ca654b81-77de-4043-b7b6-3554eb3f4d84/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 9fc45ae4ddf84075a39a55d475a45c859aa435e6 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:46:46,191 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:46:46,192 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:46:46,200 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:46:46,200 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:46:46,200 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:46:46,201 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:46:46,202 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:46:46,203 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:46:46,204 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:46:46,205 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:46:46,205 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:46:46,205 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:46:46,206 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:46:46,207 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:46:46,207 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:46:46,208 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:46:46,209 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:46:46,210 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:46:46,211 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:46:46,212 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:46:46,213 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:46:46,215 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:46:46,215 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:46:46,215 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:46:46,216 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:46:46,216 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:46:46,217 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:46:46,218 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:46:46,218 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:46:46,218 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:46:46,219 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:46:46,219 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:46:46,219 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:46:46,220 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:46:46,220 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:46:46,220 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ca654b81-77de-4043-b7b6-3554eb3f4d84/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:46:46,230 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:46:46,231 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:46:46,231 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:46:46,231 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:46:46,232 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:46:46,232 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:46:46,232 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:46:46,232 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:46:46,232 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:46:46,232 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:46:46,232 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:46:46,233 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:46:46,233 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:46:46,233 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:46:46,233 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:46:46,233 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:46:46,233 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:46:46,233 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:46:46,233 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:46:46,233 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:46:46,233 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:46:46,233 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:46:46,233 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:46:46,234 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:46:46,234 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:46:46,234 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:46:46,234 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:46:46,234 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:46:46,234 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:46:46,234 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_ca654b81-77de-4043-b7b6-3554eb3f4d84/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 -> 9fc45ae4ddf84075a39a55d475a45c859aa435e6 [2018-11-18 11:46:46,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:46:46,269 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:46:46,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:46:46,272 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:46:46,273 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:46:46,273 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ca654b81-77de-4043-b7b6-3554eb3f4d84/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label36_true-unreach-call_false-termination.c [2018-11-18 11:46:46,320 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ca654b81-77de-4043-b7b6-3554eb3f4d84/bin-2019/ukojak/data/2b8ee30f9/023a72f8955b4d6d9fbda87bd126f89b/FLAGa4b643103 [2018-11-18 11:46:46,779 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:46:46,780 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ca654b81-77de-4043-b7b6-3554eb3f4d84/sv-benchmarks/c/eca-rers2012/Problem02_label36_true-unreach-call_false-termination.c [2018-11-18 11:46:46,788 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ca654b81-77de-4043-b7b6-3554eb3f4d84/bin-2019/ukojak/data/2b8ee30f9/023a72f8955b4d6d9fbda87bd126f89b/FLAGa4b643103 [2018-11-18 11:46:47,294 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ca654b81-77de-4043-b7b6-3554eb3f4d84/bin-2019/ukojak/data/2b8ee30f9/023a72f8955b4d6d9fbda87bd126f89b [2018-11-18 11:46:47,296 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:46:47,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:46:47,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:46:47,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:46:47,300 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:46:47,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:46:47" (1/1) ... [2018-11-18 11:46:47,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cfef79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:47, skipping insertion in model container [2018-11-18 11:46:47,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:46:47" (1/1) ... [2018-11-18 11:46:47,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:46:47,341 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:46:47,586 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:46:47,590 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:46:47,656 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:46:47,669 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:46:47,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:47 WrapperNode [2018-11-18 11:46:47,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:46:47,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:46:47,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:46:47,671 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:46:47,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:47" (1/1) ... [2018-11-18 11:46:47,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:47" (1/1) ... [2018-11-18 11:46:47,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:46:47,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:46:47,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:46:47,772 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:46:47,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:47" (1/1) ... [2018-11-18 11:46:47,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:47" (1/1) ... [2018-11-18 11:46:47,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:47" (1/1) ... [2018-11-18 11:46:47,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:47" (1/1) ... [2018-11-18 11:46:47,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:47" (1/1) ... [2018-11-18 11:46:47,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:47" (1/1) ... [2018-11-18 11:46:47,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:47" (1/1) ... [2018-11-18 11:46:47,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:46:47,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:46:47,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:46:47,813 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:46:47,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:46:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca654b81-77de-4043-b7b6-3554eb3f4d84/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:46:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:46:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:46:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:46:49,231 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:46:49,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:46:49 BoogieIcfgContainer [2018-11-18 11:46:49,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:46:49,232 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:46:49,232 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:46:49,240 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:46:49,240 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:46:49" (1/1) ... [2018-11-18 11:46:49,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:46:49,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:49,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 11:46:49,275 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 11:46:49,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 11:46:49,278 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:49,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:46:49,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:49,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 243 transitions. [2018-11-18 11:46:49,930 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2018-11-18 11:46:49,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 11:46:49,932 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:50,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:46:50,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:50,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 245 states and 337 transitions. [2018-11-18 11:46:50,412 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 337 transitions. [2018-11-18 11:46:50,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 11:46:50,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:46:50,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:50,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 246 states and 338 transitions. [2018-11-18 11:46:50,555 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 338 transitions. [2018-11-18 11:46:50,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 11:46:50,556 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:50,629 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:46:50,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:50,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 264 states and 365 transitions. [2018-11-18 11:46:50,727 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 365 transitions. [2018-11-18 11:46:50,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 11:46:50,733 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:50,798 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:46:51,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:51,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 283 states and 391 transitions. [2018-11-18 11:46:51,071 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 391 transitions. [2018-11-18 11:46:51,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 11:46:51,075 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:51,098 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:46:51,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:51,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 287 states and 395 transitions. [2018-11-18 11:46:51,169 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 395 transitions. [2018-11-18 11:46:51,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 11:46:51,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:51,276 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:46:51,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:51,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 367 states and 478 transitions. [2018-11-18 11:46:51,662 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 478 transitions. [2018-11-18 11:46:51,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 11:46:51,663 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:51,733 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:46:51,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:51,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 369 states and 481 transitions. [2018-11-18 11:46:51,863 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 481 transitions. [2018-11-18 11:46:51,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 11:46:51,864 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:51,900 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:46:52,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:52,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 422 states and 540 transitions. [2018-11-18 11:46:52,251 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 540 transitions. [2018-11-18 11:46:52,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 11:46:52,252 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:52,366 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:46:52,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:52,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 461 states and 582 transitions. [2018-11-18 11:46:52,698 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 582 transitions. [2018-11-18 11:46:52,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 11:46:52,699 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:52,719 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:46:52,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:52,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 481 states and 608 transitions. [2018-11-18 11:46:52,962 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 608 transitions. [2018-11-18 11:46:52,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 11:46:52,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:52,992 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:46:53,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:53,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 483 states and 610 transitions. [2018-11-18 11:46:53,015 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 610 transitions. [2018-11-18 11:46:53,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 11:46:53,016 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:53,047 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:46:53,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:53,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 504 states and 640 transitions. [2018-11-18 11:46:53,400 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 640 transitions. [2018-11-18 11:46:53,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 11:46:53,401 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:53,439 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:46:53,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:53,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 518 states and 655 transitions. [2018-11-18 11:46:53,614 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 655 transitions. [2018-11-18 11:46:53,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 11:46:53,615 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:53,639 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-18 11:46:53,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:53,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 537 states and 679 transitions. [2018-11-18 11:46:53,991 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 679 transitions. [2018-11-18 11:46:53,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 11:46:53,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:54,016 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-18 11:46:54,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:54,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 541 states and 683 transitions. [2018-11-18 11:46:54,133 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 683 transitions. [2018-11-18 11:46:54,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 11:46:54,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:54,152 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:46:54,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:54,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 545 states and 687 transitions. [2018-11-18 11:46:54,173 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 687 transitions. [2018-11-18 11:46:54,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 11:46:54,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:54,196 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-18 11:46:54,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:54,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 564 states and 708 transitions. [2018-11-18 11:46:54,564 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 708 transitions. [2018-11-18 11:46:54,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 11:46:54,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:54,584 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:46:54,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:54,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 565 states and 709 transitions. [2018-11-18 11:46:54,596 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 709 transitions. [2018-11-18 11:46:54,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 11:46:54,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:54,646 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 11:46:54,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:54,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 567 states and 712 transitions. [2018-11-18 11:46:54,734 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 712 transitions. [2018-11-18 11:46:54,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 11:46:54,735 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:54,771 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:46:54,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:54,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 581 states and 726 transitions. [2018-11-18 11:46:54,839 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 726 transitions. [2018-11-18 11:46:54,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 11:46:54,840 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:54,862 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-18 11:46:55,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:55,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 598 states and 748 transitions. [2018-11-18 11:46:55,154 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 748 transitions. [2018-11-18 11:46:55,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 11:46:55,155 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:55,177 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-18 11:46:55,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:55,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 600 states and 749 transitions. [2018-11-18 11:46:55,286 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 749 transitions. [2018-11-18 11:46:55,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 11:46:55,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:55,374 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:46:56,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:56,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 631 states and 788 transitions. [2018-11-18 11:46:56,108 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 788 transitions. [2018-11-18 11:46:56,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 11:46:56,110 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:56,228 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:46:57,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:57,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 662 states and 824 transitions. [2018-11-18 11:46:57,322 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 824 transitions. [2018-11-18 11:46:57,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 11:46:57,323 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:57,368 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:46:57,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:57,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 666 states and 828 transitions. [2018-11-18 11:46:57,507 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 828 transitions. [2018-11-18 11:46:57,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 11:46:57,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:58,057 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:46:58,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:58,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 676 states and 843 transitions. [2018-11-18 11:46:58,886 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 843 transitions. [2018-11-18 11:46:58,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 11:46:58,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:58,921 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:46:59,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:59,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 689 states and 857 transitions. [2018-11-18 11:46:59,064 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 857 transitions. [2018-11-18 11:46:59,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 11:46:59,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:59,116 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:46:59,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:59,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 707 states and 878 transitions. [2018-11-18 11:46:59,392 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 878 transitions. [2018-11-18 11:46:59,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 11:46:59,393 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:59,430 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:46:59,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:59,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 710 states and 881 transitions. [2018-11-18 11:46:59,463 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 881 transitions. [2018-11-18 11:46:59,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-18 11:46:59,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:59,510 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 11:46:59,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:59,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 726 states and 897 transitions. [2018-11-18 11:46:59,579 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 897 transitions. [2018-11-18 11:46:59,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-18 11:46:59,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:59,613 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-18 11:46:59,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:59,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 729 states and 899 transitions. [2018-11-18 11:46:59,700 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 899 transitions. [2018-11-18 11:46:59,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-18 11:46:59,701 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:59,732 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-18 11:46:59,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:46:59,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 730 states and 900 transitions. [2018-11-18 11:46:59,757 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 900 transitions. [2018-11-18 11:46:59,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 11:46:59,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:46:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:46:59,860 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 11:47:00,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:00,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 732 states and 903 transitions. [2018-11-18 11:47:00,144 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 903 transitions. [2018-11-18 11:47:00,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-18 11:47:00,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:00,177 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-18 11:47:00,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:00,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 736 states and 906 transitions. [2018-11-18 11:47:00,201 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 906 transitions. [2018-11-18 11:47:00,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 11:47:00,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:00,250 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-18 11:47:00,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:00,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 737 states and 909 transitions. [2018-11-18 11:47:00,426 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 909 transitions. [2018-11-18 11:47:00,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 11:47:00,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:00,472 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-18 11:47:00,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:00,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 738 states and 910 transitions. [2018-11-18 11:47:00,617 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 910 transitions. [2018-11-18 11:47:00,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 11:47:00,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:00,776 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 11:47:01,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:01,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 752 states and 926 transitions. [2018-11-18 11:47:01,179 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 926 transitions. [2018-11-18 11:47:01,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-18 11:47:01,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:01,220 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:47:01,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:01,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 782 states and 957 transitions. [2018-11-18 11:47:01,410 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 957 transitions. [2018-11-18 11:47:01,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 11:47:01,411 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:47:01,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:01,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 786 states and 961 transitions. [2018-11-18 11:47:01,544 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 961 transitions. [2018-11-18 11:47:01,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 11:47:01,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:01,774 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 120 proven. 3 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 11:47:02,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:02,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 823 states and 1008 transitions. [2018-11-18 11:47:02,733 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1008 transitions. [2018-11-18 11:47:02,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 11:47:02,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:02,784 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 120 proven. 3 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 11:47:02,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:02,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 825 states and 1012 transitions. [2018-11-18 11:47:02,973 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1012 transitions. [2018-11-18 11:47:02,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 11:47:02,974 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:03,053 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:47:03,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:03,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 847 states and 1033 transitions. [2018-11-18 11:47:03,140 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1033 transitions. [2018-11-18 11:47:03,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 11:47:03,141 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:03,173 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:47:03,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:03,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 849 states and 1035 transitions. [2018-11-18 11:47:03,194 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1035 transitions. [2018-11-18 11:47:03,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-18 11:47:03,195 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:03,228 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-18 11:47:03,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:03,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 853 states and 1039 transitions. [2018-11-18 11:47:03,345 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1039 transitions. [2018-11-18 11:47:03,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 11:47:03,346 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:03,418 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 11:47:03,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:03,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 855 states and 1041 transitions. [2018-11-18 11:47:03,498 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1041 transitions. [2018-11-18 11:47:03,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 11:47:03,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:03,548 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:47:04,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:04,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 908 states and 1102 transitions. [2018-11-18 11:47:04,133 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1102 transitions. [2018-11-18 11:47:04,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-18 11:47:04,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:04,164 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:47:04,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:04,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 937 states and 1131 transitions. [2018-11-18 11:47:04,242 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1131 transitions. [2018-11-18 11:47:04,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-18 11:47:04,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:04,726 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 11:47:06,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:06,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 976 states and 1177 transitions. [2018-11-18 11:47:06,143 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1177 transitions. [2018-11-18 11:47:06,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-18 11:47:06,144 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:06,168 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 11:47:06,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:06,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 986 states and 1187 transitions. [2018-11-18 11:47:06,403 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1187 transitions. [2018-11-18 11:47:06,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-18 11:47:06,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:06,440 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-18 11:47:06,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:06,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1005 states and 1211 transitions. [2018-11-18 11:47:06,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1211 transitions. [2018-11-18 11:47:06,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 11:47:06,986 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:07,032 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-18 11:47:07,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:07,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1006 states and 1212 transitions. [2018-11-18 11:47:07,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1212 transitions. [2018-11-18 11:47:07,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 11:47:07,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:07,107 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:47:07,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:07,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1019 states and 1226 transitions. [2018-11-18 11:47:07,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1226 transitions. [2018-11-18 11:47:07,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 11:47:07,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:07,545 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:47:07,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:07,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1023 states and 1230 transitions. [2018-11-18 11:47:07,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1230 transitions. [2018-11-18 11:47:07,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 11:47:07,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:07,846 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 132 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 11:47:09,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:09,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1103 states and 1321 transitions. [2018-11-18 11:47:09,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1321 transitions. [2018-11-18 11:47:09,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 11:47:09,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:09,800 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 11:47:10,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:10,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1148 states and 1369 transitions. [2018-11-18 11:47:10,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1369 transitions. [2018-11-18 11:47:10,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 11:47:10,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:11,101 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 11:47:11,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:11,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1150 states and 1371 transitions. [2018-11-18 11:47:11,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1371 transitions. [2018-11-18 11:47:11,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 11:47:11,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:11,487 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 11:47:12,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:12,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1199 states and 1422 transitions. [2018-11-18 11:47:12,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1422 transitions. [2018-11-18 11:47:12,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 11:47:12,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:12,932 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 11:47:13,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:13,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1203 states and 1426 transitions. [2018-11-18 11:47:13,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1426 transitions. [2018-11-18 11:47:13,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 11:47:13,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:13,555 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 11:47:14,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:14,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1275 states and 1503 transitions. [2018-11-18 11:47:14,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1503 transitions. [2018-11-18 11:47:14,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 11:47:14,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:14,322 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 11:47:14,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:14,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1277 states and 1505 transitions. [2018-11-18 11:47:14,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1505 transitions. [2018-11-18 11:47:14,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-18 11:47:14,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:14,630 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 11:47:15,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:15,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1331 states and 1559 transitions. [2018-11-18 11:47:15,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1559 transitions. [2018-11-18 11:47:15,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 11:47:15,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:15,579 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 11:47:16,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:16,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1408 states and 1643 transitions. [2018-11-18 11:47:16,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1643 transitions. [2018-11-18 11:47:16,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 11:47:16,607 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:16,657 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 11:47:16,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:16,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1412 states and 1647 transitions. [2018-11-18 11:47:16,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1647 transitions. [2018-11-18 11:47:16,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-18 11:47:16,697 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:16,754 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 11:47:17,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:17,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1432 states and 1670 transitions. [2018-11-18 11:47:17,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1670 transitions. [2018-11-18 11:47:17,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 11:47:17,560 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:17,622 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 203 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 11:47:18,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:18,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1465 states and 1710 transitions. [2018-11-18 11:47:18,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 1710 transitions. [2018-11-18 11:47:18,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 11:47:18,423 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:18,479 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 203 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 11:47:18,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:18,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1466 states and 1711 transitions. [2018-11-18 11:47:18,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1711 transitions. [2018-11-18 11:47:18,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 11:47:18,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:18,728 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-18 11:47:18,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:18,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1468 states and 1714 transitions. [2018-11-18 11:47:18,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1714 transitions. [2018-11-18 11:47:18,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 11:47:18,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:18,985 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 11:47:19,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:19,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1472 states and 1719 transitions. [2018-11-18 11:47:19,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 1719 transitions. [2018-11-18 11:47:19,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-18 11:47:19,094 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:19,648 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 11:47:21,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:21,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 1522 states and 1772 transitions. [2018-11-18 11:47:21,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 1772 transitions. [2018-11-18 11:47:21,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 11:47:21,102 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:21,513 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 231 proven. 11 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 11:47:22,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:22,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1538 states and 1791 transitions. [2018-11-18 11:47:22,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 1791 transitions. [2018-11-18 11:47:22,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-11-18 11:47:22,371 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:22,427 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 11:47:22,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:22,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1546 states and 1799 transitions. [2018-11-18 11:47:22,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 1799 transitions. [2018-11-18 11:47:22,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-18 11:47:22,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:22,902 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-18 11:47:22,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:22,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1547 states and 1799 transitions. [2018-11-18 11:47:22,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 1799 transitions. [2018-11-18 11:47:22,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-18 11:47:22,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:23,004 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-18 11:47:23,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:23,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1553 states and 1804 transitions. [2018-11-18 11:47:23,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1804 transitions. [2018-11-18 11:47:23,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 11:47:23,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:23,304 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 11:47:24,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:24,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1568 states and 1822 transitions. [2018-11-18 11:47:24,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 1822 transitions. [2018-11-18 11:47:24,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-18 11:47:24,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:24,427 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-18 11:47:24,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:24,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1571 states and 1826 transitions. [2018-11-18 11:47:24,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 1826 transitions. [2018-11-18 11:47:24,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-18 11:47:24,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:24,876 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 11:47:25,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:25,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1576 states and 1832 transitions. [2018-11-18 11:47:25,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1832 transitions. [2018-11-18 11:47:25,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-11-18 11:47:25,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:26,153 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 258 proven. 28 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:47:28,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:28,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1629 states and 1896 transitions. [2018-11-18 11:47:28,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1629 states and 1896 transitions. [2018-11-18 11:47:28,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-11-18 11:47:28,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:28,798 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 258 proven. 28 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:47:29,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:29,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1631 states and 1898 transitions. [2018-11-18 11:47:29,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 1898 transitions. [2018-11-18 11:47:29,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-18 11:47:29,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:29,181 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2018-11-18 11:47:29,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:29,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1632 states and 1898 transitions. [2018-11-18 11:47:29,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 1898 transitions. [2018-11-18 11:47:29,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 11:47:29,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:29,605 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 217 proven. 5 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-18 11:47:29,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:29,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1637 states and 1905 transitions. [2018-11-18 11:47:29,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 1905 transitions. [2018-11-18 11:47:29,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 11:47:29,993 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:30,051 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 217 proven. 5 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-18 11:47:30,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:30,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1638 states and 1907 transitions. [2018-11-18 11:47:30,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 1907 transitions. [2018-11-18 11:47:30,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 11:47:30,252 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:30,545 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:47:31,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:31,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1654 states and 1929 transitions. [2018-11-18 11:47:31,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 1929 transitions. [2018-11-18 11:47:31,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 11:47:31,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:32,018 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:47:32,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:32,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1658 states and 1932 transitions. [2018-11-18 11:47:32,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 1932 transitions. [2018-11-18 11:47:32,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 11:47:32,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:33,095 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 11:47:35,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:35,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 1694 states and 1973 transitions. [2018-11-18 11:47:35,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 1973 transitions. [2018-11-18 11:47:35,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 11:47:35,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:35,580 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 11:47:36,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:36,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1714 states and 1992 transitions. [2018-11-18 11:47:36,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 1992 transitions. [2018-11-18 11:47:36,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-18 11:47:36,021 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:36,072 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 195 proven. 1 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 11:47:36,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:36,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 1734 states and 2017 transitions. [2018-11-18 11:47:36,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2017 transitions. [2018-11-18 11:47:36,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-18 11:47:36,612 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:36,685 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 195 proven. 1 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 11:47:36,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:36,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 1738 states and 2021 transitions. [2018-11-18 11:47:36,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2021 transitions. [2018-11-18 11:47:36,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 11:47:36,964 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:37,043 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 272 proven. 42 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:47:38,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:38,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 1749 states and 2036 transitions. [2018-11-18 11:47:38,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2036 transitions. [2018-11-18 11:47:38,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 11:47:38,032 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 168 proven. 1 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-18 11:47:38,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:38,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 1750 states and 2036 transitions. [2018-11-18 11:47:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 2036 transitions. [2018-11-18 11:47:38,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 11:47:38,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:38,415 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 217 proven. 17 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 11:47:39,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:39,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 1784 states and 2077 transitions. [2018-11-18 11:47:39,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2077 transitions. [2018-11-18 11:47:39,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 11:47:39,356 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:39,474 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 217 proven. 17 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 11:47:39,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:39,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 1793 states and 2085 transitions. [2018-11-18 11:47:39,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 2085 transitions. [2018-11-18 11:47:39,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-18 11:47:39,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:39,992 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 11:47:40,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:40,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 1805 states and 2097 transitions. [2018-11-18 11:47:40,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2097 transitions. [2018-11-18 11:47:40,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-18 11:47:40,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:40,087 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 11:47:40,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:40,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 1810 states and 2101 transitions. [2018-11-18 11:47:40,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2101 transitions. [2018-11-18 11:47:40,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 11:47:40,370 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:40,426 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-11-18 11:47:40,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:40,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 1812 states and 2102 transitions. [2018-11-18 11:47:40,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 2102 transitions. [2018-11-18 11:47:40,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 11:47:40,674 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:40,717 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 11:47:41,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:41,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 1832 states and 2125 transitions. [2018-11-18 11:47:41,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2125 transitions. [2018-11-18 11:47:41,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:47:41,035 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:41,089 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-18 11:47:41,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:41,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 1835 states and 2127 transitions. [2018-11-18 11:47:41,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2127 transitions. [2018-11-18 11:47:41,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 11:47:41,121 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:41,170 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 11:47:42,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:42,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 1853 states and 2151 transitions. [2018-11-18 11:47:42,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2151 transitions. [2018-11-18 11:47:42,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 11:47:42,437 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:42,488 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 11:47:43,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:43,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2162 states to 1865 states and 2162 transitions. [2018-11-18 11:47:43,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2162 transitions. [2018-11-18 11:47:43,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 11:47:43,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:43,095 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 11:47:43,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:43,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2163 states to 1867 states and 2163 transitions. [2018-11-18 11:47:43,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 2163 transitions. [2018-11-18 11:47:43,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 11:47:43,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:43,404 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-18 11:47:45,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:45,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 1902 states and 2200 transitions. [2018-11-18 11:47:45,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 2200 transitions. [2018-11-18 11:47:45,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 11:47:45,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:45,781 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-18 11:47:46,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:46,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 1918 states and 2217 transitions. [2018-11-18 11:47:46,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2217 transitions. [2018-11-18 11:47:46,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 11:47:46,337 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:46,393 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-18 11:47:46,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:46,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 1936 states and 2235 transitions. [2018-11-18 11:47:46,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2235 transitions. [2018-11-18 11:47:46,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 11:47:46,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:47,325 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:47:50,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:50,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 1975 states and 2287 transitions. [2018-11-18 11:47:50,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2287 transitions. [2018-11-18 11:47:50,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 11:47:50,166 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:47:51,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:51,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 1982 states and 2293 transitions. [2018-11-18 11:47:51,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1982 states and 2293 transitions. [2018-11-18 11:47:51,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 11:47:51,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:51,529 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:47:51,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:51,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 1986 states and 2296 transitions. [2018-11-18 11:47:51,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2296 transitions. [2018-11-18 11:47:51,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-18 11:47:51,884 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:52,089 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 379 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 11:47:53,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:53,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 2029 states and 2345 transitions. [2018-11-18 11:47:53,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2029 states and 2345 transitions. [2018-11-18 11:47:53,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-18 11:47:53,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:54,043 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 379 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 11:47:54,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:54,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 2032 states and 2348 transitions. [2018-11-18 11:47:54,383 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2348 transitions. [2018-11-18 11:47:54,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 11:47:54,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:54,439 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 249 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-11-18 11:47:54,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:54,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2361 states to 2046 states and 2361 transitions. [2018-11-18 11:47:54,502 INFO L276 IsEmpty]: Start isEmpty. Operand 2046 states and 2361 transitions. [2018-11-18 11:47:54,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-18 11:47:54,503 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-18 11:47:56,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:56,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 2081 states and 2401 transitions. [2018-11-18 11:47:56,989 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2401 transitions. [2018-11-18 11:47:56,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-18 11:47:56,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:57,030 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-18 11:47:57,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:57,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2099 states and 2418 transitions. [2018-11-18 11:47:57,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2418 transitions. [2018-11-18 11:47:57,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-18 11:47:57,737 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-18 11:47:58,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:58,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 2118 states and 2436 transitions. [2018-11-18 11:47:58,079 INFO L276 IsEmpty]: Start isEmpty. Operand 2118 states and 2436 transitions. [2018-11-18 11:47:58,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-18 11:47:58,081 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:58,119 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-18 11:47:58,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:58,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 2134 states and 2451 transitions. [2018-11-18 11:47:58,523 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 2451 transitions. [2018-11-18 11:47:58,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-18 11:47:58,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:58,599 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 309 proven. 5 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-18 11:47:59,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:47:59,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2140 states and 2458 transitions. [2018-11-18 11:47:59,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2458 transitions. [2018-11-18 11:47:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 11:47:59,015 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:47:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:47:59,080 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 11:48:00,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:00,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2192 states and 2513 transitions. [2018-11-18 11:48:00,299 INFO L276 IsEmpty]: Start isEmpty. Operand 2192 states and 2513 transitions. [2018-11-18 11:48:00,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-18 11:48:00,301 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:00,373 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 386 proven. 5 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 11:48:01,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:01,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 2270 states and 2597 transitions. [2018-11-18 11:48:01,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 2597 transitions. [2018-11-18 11:48:01,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-18 11:48:01,478 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:01,545 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 386 proven. 5 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 11:48:01,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:01,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 2271 states and 2598 transitions. [2018-11-18 11:48:01,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2271 states and 2598 transitions. [2018-11-18 11:48:01,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-18 11:48:01,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:01,945 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 386 proven. 5 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 11:48:02,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:02,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 2272 states and 2598 transitions. [2018-11-18 11:48:02,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2598 transitions. [2018-11-18 11:48:02,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-18 11:48:02,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:02,378 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-18 11:48:03,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:03,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2618 states to 2286 states and 2618 transitions. [2018-11-18 11:48:03,306 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 2618 transitions. [2018-11-18 11:48:03,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-18 11:48:03,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:03,511 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-18 11:48:04,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:04,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2292 states and 2624 transitions. [2018-11-18 11:48:04,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 2624 transitions. [2018-11-18 11:48:04,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-18 11:48:04,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:04,165 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-11-18 11:48:04,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:04,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2627 states to 2296 states and 2627 transitions. [2018-11-18 11:48:04,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 2627 transitions. [2018-11-18 11:48:04,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 11:48:04,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:04,431 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 347 proven. 7 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-18 11:48:05,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:05,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 2308 states and 2649 transitions. [2018-11-18 11:48:05,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 2649 transitions. [2018-11-18 11:48:05,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 11:48:05,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:05,449 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 347 proven. 7 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-18 11:48:05,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:05,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 2314 states and 2655 transitions. [2018-11-18 11:48:05,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2655 transitions. [2018-11-18 11:48:05,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 11:48:05,915 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:06,096 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 347 proven. 7 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-18 11:48:06,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:06,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2319 states and 2660 transitions. [2018-11-18 11:48:06,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 2660 transitions. [2018-11-18 11:48:06,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 11:48:06,407 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:07,168 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 11:48:14,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:14,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 2443 states and 2806 transitions. [2018-11-18 11:48:14,006 INFO L276 IsEmpty]: Start isEmpty. Operand 2443 states and 2806 transitions. [2018-11-18 11:48:14,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 11:48:14,008 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:14,150 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 11:48:14,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:14,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 2451 states and 2815 transitions. [2018-11-18 11:48:14,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2451 states and 2815 transitions. [2018-11-18 11:48:14,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 11:48:14,842 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:14,985 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 11:48:17,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:17,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2477 states and 2852 transitions. [2018-11-18 11:48:17,166 INFO L276 IsEmpty]: Start isEmpty. Operand 2477 states and 2852 transitions. [2018-11-18 11:48:17,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 11:48:17,168 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:17,396 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 11:48:18,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:18,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2857 states to 2483 states and 2857 transitions. [2018-11-18 11:48:18,719 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 2857 transitions. [2018-11-18 11:48:18,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 11:48:18,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:18,864 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 11:48:19,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:19,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2877 states to 2501 states and 2877 transitions. [2018-11-18 11:48:19,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2501 states and 2877 transitions. [2018-11-18 11:48:19,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 11:48:19,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:19,799 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 11:48:20,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:20,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 2505 states and 2882 transitions. [2018-11-18 11:48:20,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2505 states and 2882 transitions. [2018-11-18 11:48:20,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 11:48:20,602 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:20,744 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 11:48:21,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:21,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 2508 states and 2885 transitions. [2018-11-18 11:48:21,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2508 states and 2885 transitions. [2018-11-18 11:48:21,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 11:48:21,218 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:21,444 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 11:48:21,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:21,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2511 states and 2887 transitions. [2018-11-18 11:48:21,881 INFO L276 IsEmpty]: Start isEmpty. Operand 2511 states and 2887 transitions. [2018-11-18 11:48:21,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 11:48:21,882 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:22,025 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 11:48:22,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:22,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 2516 states and 2893 transitions. [2018-11-18 11:48:22,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 2893 transitions. [2018-11-18 11:48:22,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 11:48:22,458 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:22,600 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 11:48:23,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:23,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2520 states and 2896 transitions. [2018-11-18 11:48:23,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 2896 transitions. [2018-11-18 11:48:23,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 11:48:23,029 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 358 proven. 103 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 11:48:23,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:23,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2521 states and 2897 transitions. [2018-11-18 11:48:23,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 2897 transitions. [2018-11-18 11:48:23,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-11-18 11:48:23,616 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:23,663 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 311 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-11-18 11:48:23,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:23,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2524 states and 2899 transitions. [2018-11-18 11:48:23,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2524 states and 2899 transitions. [2018-11-18 11:48:23,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-11-18 11:48:23,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:23,939 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 311 proven. 10 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-11-18 11:48:24,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:24,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 2528 states and 2903 transitions. [2018-11-18 11:48:24,203 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 2903 transitions. [2018-11-18 11:48:24,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-18 11:48:24,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:24,292 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 414 proven. 5 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 11:48:24,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:24,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2904 states to 2530 states and 2904 transitions. [2018-11-18 11:48:24,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 2904 transitions. [2018-11-18 11:48:24,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-18 11:48:24,628 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:24,707 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 540 proven. 17 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 11:48:27,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:27,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 2570 states and 2949 transitions. [2018-11-18 11:48:27,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2570 states and 2949 transitions. [2018-11-18 11:48:27,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-18 11:48:27,757 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:27,838 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 540 proven. 17 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 11:48:28,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:28,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 2580 states and 2959 transitions. [2018-11-18 11:48:28,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2580 states and 2959 transitions. [2018-11-18 11:48:28,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-18 11:48:28,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:28,841 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 540 proven. 17 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 11:48:29,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:29,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 2583 states and 2961 transitions. [2018-11-18 11:48:29,273 INFO L276 IsEmpty]: Start isEmpty. Operand 2583 states and 2961 transitions. [2018-11-18 11:48:29,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-18 11:48:29,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:29,328 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 447 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-18 11:48:32,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:32,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3012 states to 2631 states and 3012 transitions. [2018-11-18 11:48:32,536 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 3012 transitions. [2018-11-18 11:48:32,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-18 11:48:32,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:32,591 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 447 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-18 11:48:33,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:33,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 2640 states and 3022 transitions. [2018-11-18 11:48:33,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2640 states and 3022 transitions. [2018-11-18 11:48:33,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-18 11:48:33,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:33,392 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 447 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-18 11:48:34,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:34,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 2648 states and 3030 transitions. [2018-11-18 11:48:34,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2648 states and 3030 transitions. [2018-11-18 11:48:34,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-11-18 11:48:34,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:34,546 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 447 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-18 11:48:34,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:34,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 2651 states and 3032 transitions. [2018-11-18 11:48:34,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 3032 transitions. [2018-11-18 11:48:34,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-18 11:48:34,940 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:35,297 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 241 proven. 133 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-11-18 11:48:36,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:36,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 2690 states and 3074 transitions. [2018-11-18 11:48:36,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3074 transitions. [2018-11-18 11:48:36,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-11-18 11:48:36,009 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:36,126 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2018-11-18 11:48:36,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:36,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3158 states to 2770 states and 3158 transitions. [2018-11-18 11:48:36,886 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3158 transitions. [2018-11-18 11:48:36,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2018-11-18 11:48:36,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:37,000 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 507 proven. 7 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-11-18 11:48:38,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:38,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 2812 states and 3207 transitions. [2018-11-18 11:48:38,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 3207 transitions. [2018-11-18 11:48:38,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-11-18 11:48:38,744 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:38,853 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 565 proven. 10 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-11-18 11:48:39,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:39,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3231 states to 2836 states and 3231 transitions. [2018-11-18 11:48:39,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 3231 transitions. [2018-11-18 11:48:39,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-11-18 11:48:39,271 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:39,381 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 565 proven. 10 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-11-18 11:48:39,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:39,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3249 states to 2855 states and 3249 transitions. [2018-11-18 11:48:39,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2855 states and 3249 transitions. [2018-11-18 11:48:39,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-11-18 11:48:39,644 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:39,826 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2018-11-18 11:48:40,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:40,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3330 states to 2934 states and 3330 transitions. [2018-11-18 11:48:40,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2934 states and 3330 transitions. [2018-11-18 11:48:40,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2018-11-18 11:48:40,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:41,373 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 74 proven. 516 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2018-11-18 11:48:51,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:51,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3224 states and 3652 transitions. [2018-11-18 11:48:51,059 INFO L276 IsEmpty]: Start isEmpty. Operand 3224 states and 3652 transitions. [2018-11-18 11:48:51,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2018-11-18 11:48:51,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:51,305 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 74 proven. 516 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2018-11-18 11:48:52,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:52,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3666 states to 3239 states and 3666 transitions. [2018-11-18 11:48:52,703 INFO L276 IsEmpty]: Start isEmpty. Operand 3239 states and 3666 transitions. [2018-11-18 11:48:52,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2018-11-18 11:48:52,705 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:52,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1302 backedges. 643 proven. 0 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2018-11-18 11:48:53,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:53,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3667 states to 3241 states and 3667 transitions. [2018-11-18 11:48:53,526 INFO L276 IsEmpty]: Start isEmpty. Operand 3241 states and 3667 transitions. [2018-11-18 11:48:53,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2018-11-18 11:48:53,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:48:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:48:53,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1381 backedges. 149 proven. 777 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2018-11-18 11:48:54,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:48:54,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3582 states to 3161 states and 3582 transitions. [2018-11-18 11:48:54,843 INFO L276 IsEmpty]: Start isEmpty. Operand 3161 states and 3582 transitions. [2018-11-18 11:48:54,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:48:54,844 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 156 iterations. [2018-11-18 11:48:54,852 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:48:54,972 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 22 [2018-11-18 11:48:55,080 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 22 [2018-11-18 11:48:55,240 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 22 [2018-11-18 11:48:55,400 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 22 [2018-11-18 11:48:55,520 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 22 [2018-11-18 11:48:55,685 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 22 [2018-11-18 11:48:55,950 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 22 [2018-11-18 11:48:56,060 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 22 [2018-11-18 11:48:56,710 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 22 [2018-11-18 11:48:56,860 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 22 [2018-11-18 11:48:57,129 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 22 [2018-11-18 11:48:57,350 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 22 [2018-11-18 11:48:57,460 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 22 [2018-11-18 11:48:57,565 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 22 [2018-11-18 11:48:58,030 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 51 [2018-11-18 11:48:58,229 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 22 [2018-11-18 11:48:58,420 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 22 [2018-11-18 11:48:58,632 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 22 [2018-11-18 11:48:58,892 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 22 [2018-11-18 11:48:59,176 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 22 [2018-11-18 11:48:59,503 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 45 [2018-11-18 11:48:59,659 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 22 [2018-11-18 11:48:59,851 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 22 [2018-11-18 11:48:59,973 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 22 [2018-11-18 11:49:00,312 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 22 [2018-11-18 11:49:00,799 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 22 [2018-11-18 11:49:00,921 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 22 [2018-11-18 11:49:01,085 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 22 [2018-11-18 11:49:01,477 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 22 [2018-11-18 11:49:01,586 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 22 [2018-11-18 11:49:01,865 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 22 [2018-11-18 11:49:02,083 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 22 [2018-11-18 11:49:02,204 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 22 [2018-11-18 11:49:02,355 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 22 [2018-11-18 11:49:02,593 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 45 [2018-11-18 11:49:02,829 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 22 [2018-11-18 11:49:02,830 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:49:02,832 INFO L579 CodeCheckObserver]: Invariant with dag size 22 [2018-11-18 11:49:02,837 INFO L579 CodeCheckObserver]: Invariant with dag size 22 [2018-11-18 11:49:02,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:49:02 ImpRootNode [2018-11-18 11:49:02,838 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:49:02,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:49:02,838 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:49:02,838 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:49:02,839 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:46:49" (3/4) ... [2018-11-18 11:49:02,842 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:49:02,858 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-11-18 11:49:02,859 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 11:49:02,860 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 11:49:02,861 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 11:49:02,954 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ca654b81-77de-4043-b7b6-3554eb3f4d84/bin-2019/ukojak/witness.graphml [2018-11-18 11:49:02,954 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:49:02,955 INFO L168 Benchmark]: Toolchain (without parser) took 135658.42 ms. Allocated memory was 1.0 GB in the beginning and 4.5 GB in the end (delta: 3.5 GB). Free memory was 956.4 MB in the beginning and 1.4 GB in the end (delta: -414.5 MB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. [2018-11-18 11:49:02,956 INFO L168 Benchmark]: CDTParser took 0.16 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 11:49:02,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.40 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 921.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:49:02,956 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 921.5 MB in the beginning and 1.1 GB in the end (delta: -225.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:49:02,956 INFO L168 Benchmark]: Boogie Preprocessor took 40.51 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:49:02,956 INFO L168 Benchmark]: RCFGBuilder took 1418.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.1 MB in the end (delta: 242.1 MB). Peak memory consumption was 242.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:49:02,957 INFO L168 Benchmark]: CodeCheck took 133606.05 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.3 GB). Free memory was 899.1 MB in the beginning and 1.4 GB in the end (delta: -471.8 MB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. [2018-11-18 11:49:02,957 INFO L168 Benchmark]: Witness Printer took 116.36 ms. Allocated memory is still 4.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:49:02,959 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, 228 locations, 1 error locations. SAFE Result, 125.5s OverallTime, 156 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1075097808 SDtfs, 202329840 SDslu, 1085171920 SDs, 0 SdLazy, 1973121060 SolverSat, 152877664 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 534.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 234415 GetRequests, 228683 SyntacticMatches, 4318 SemanticMatches, 1414 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1497053 ImplicationChecksByTransitivity, 102.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 12.1s InterpolantComputationTime, 37575 NumberOfCodeBlocks, 37575 NumberOfCodeBlocksAsserted, 155 NumberOfCheckSat, 37420 ConstructedInterpolants, 0 QuantifiedInterpolants, 37865606 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 155 InterpolantComputations, 102 PerfectInterpolantSequences, 46893/50474 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: 568]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((a17 == 8 || a11 == 1) || a25 == 1) || !(a28 == 10)) || ((!(a17 == 7) || a19 == 1) && a21 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((a11 == 1 || (a19 == 1 && a21 == 1)) || a25 == 1) || a17 == 8) || !(a28 == 10)) || (!(a17 == 7) && a21 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 372.40 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 921.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 921.5 MB in the beginning and 1.1 GB in the end (delta: -225.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.51 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1418.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.1 MB in the end (delta: 242.1 MB). Peak memory consumption was 242.1 MB. Max. memory is 11.5 GB. * CodeCheck took 133606.05 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.3 GB). Free memory was 899.1 MB in the beginning and 1.4 GB in the end (delta: -471.8 MB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. * Witness Printer took 116.36 ms. Allocated memory is still 4.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...