./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bafaaccf-8ae8-4622-a10a-89e8ac456ea2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bafaaccf-8ae8-4622-a10a-89e8ac456ea2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bafaaccf-8ae8-4622-a10a-89e8ac456ea2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bafaaccf-8ae8-4622-a10a-89e8ac456ea2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bafaaccf-8ae8-4622-a10a-89e8ac456ea2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bafaaccf-8ae8-4622-a10a-89e8ac456ea2/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 d50ba566f02e5109971f6a90ba216a95432a7661 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:50:39,343 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:50:39,344 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:50:39,352 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:50:39,352 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:50:39,353 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:50:39,354 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:50:39,355 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:50:39,356 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:50:39,357 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:50:39,357 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:50:39,357 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:50:39,358 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:50:39,359 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:50:39,359 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:50:39,360 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:50:39,360 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:50:39,362 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:50:39,363 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:50:39,364 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:50:39,365 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:50:39,366 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:50:39,367 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:50:39,367 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:50:39,368 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:50:39,369 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:50:39,370 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:50:39,370 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:50:39,371 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:50:39,372 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:50:39,372 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:50:39,373 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:50:39,373 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:50:39,373 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:50:39,374 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:50:39,375 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:50:39,375 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bafaaccf-8ae8-4622-a10a-89e8ac456ea2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 10:50:39,385 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:50:39,385 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:50:39,386 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:50:39,386 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:50:39,387 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:50:39,387 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:50:39,387 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:50:39,387 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:50:39,387 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:50:39,388 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:50:39,388 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:50:39,388 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:50:39,388 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:50:39,388 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:50:39,388 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:50:39,388 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:50:39,389 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:50:39,389 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:50:39,389 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:50:39,389 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:50:39,389 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:50:39,389 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:50:39,390 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:50:39,390 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:50:39,390 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:50:39,390 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 10:50:39,390 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:50:39,390 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:50:39,390 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_bafaaccf-8ae8-4622-a10a-89e8ac456ea2/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 -> d50ba566f02e5109971f6a90ba216a95432a7661 [2018-11-10 10:50:39,414 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:50:39,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:50:39,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:50:39,427 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:50:39,427 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:50:39,428 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bafaaccf-8ae8-4622-a10a-89e8ac456ea2/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c [2018-11-10 10:50:39,471 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bafaaccf-8ae8-4622-a10a-89e8ac456ea2/bin-2019/ukojak/data/d22aca9ef/9f2e3de5e61143388dece7bca0e9124a/FLAGc721bc7fa [2018-11-10 10:50:39,837 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:50:39,837 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bafaaccf-8ae8-4622-a10a-89e8ac456ea2/sv-benchmarks/c/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c [2018-11-10 10:50:39,846 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bafaaccf-8ae8-4622-a10a-89e8ac456ea2/bin-2019/ukojak/data/d22aca9ef/9f2e3de5e61143388dece7bca0e9124a/FLAGc721bc7fa [2018-11-10 10:50:39,857 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bafaaccf-8ae8-4622-a10a-89e8ac456ea2/bin-2019/ukojak/data/d22aca9ef/9f2e3de5e61143388dece7bca0e9124a [2018-11-10 10:50:39,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:50:39,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:50:39,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:50:39,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:50:39,863 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:50:39,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:50:39" (1/1) ... [2018-11-10 10:50:39,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:39, skipping insertion in model container [2018-11-10 10:50:39,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:50:39" (1/1) ... [2018-11-10 10:50:39,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:50:39,902 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:50:40,123 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:50:40,126 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:50:40,196 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:50:40,208 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:50:40,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40 WrapperNode [2018-11-10 10:50:40,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:50:40,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:50:40,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:50:40,210 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:50:40,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40" (1/1) ... [2018-11-10 10:50:40,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40" (1/1) ... [2018-11-10 10:50:40,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:50:40,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:50:40,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:50:40,318 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:50:40,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40" (1/1) ... [2018-11-10 10:50:40,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40" (1/1) ... [2018-11-10 10:50:40,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40" (1/1) ... [2018-11-10 10:50:40,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40" (1/1) ... [2018-11-10 10:50:40,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40" (1/1) ... [2018-11-10 10:50:40,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40" (1/1) ... [2018-11-10 10:50:40,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40" (1/1) ... [2018-11-10 10:50:40,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:50:40,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:50:40,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:50:40,360 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:50:40,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bafaaccf-8ae8-4622-a10a-89e8ac456ea2/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 [2018-11-10 10:50:40,404 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 10:50:40,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:50:40,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:50:41,610 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:50:41,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:50:41 BoogieIcfgContainer [2018-11-10 10:50:41,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:50:41,611 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:50:41,611 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:50:41,618 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:50:41,618 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:50:41" (1/1) ... [2018-11-10 10:50:41,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:50:41,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:41,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-10 10:50:41,651 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-10 10:50:41,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 10:50:41,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:41,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:42,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:42,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 147 states and 239 transitions. [2018-11-10 10:50:42,321 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 239 transitions. [2018-11-10 10:50:42,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 10:50:42,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:42,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:50:42,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:42,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 148 states and 240 transitions. [2018-11-10 10:50:42,591 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 240 transitions. [2018-11-10 10:50:42,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-10 10:50:42,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:42,628 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:42,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:42,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 153 states and 248 transitions. [2018-11-10 10:50:42,705 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 248 transitions. [2018-11-10 10:50:42,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-10 10:50:42,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:42,759 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:42,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:42,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 162 states and 264 transitions. [2018-11-10 10:50:42,908 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 264 transitions. [2018-11-10 10:50:42,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-10 10:50:42,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:42,931 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:50:43,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:43,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 163 states and 265 transitions. [2018-11-10 10:50:43,030 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 265 transitions. [2018-11-10 10:50:43,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 10:50:43,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:43,122 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:50:43,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:43,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 176 states and 286 transitions. [2018-11-10 10:50:43,501 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 286 transitions. [2018-11-10 10:50:43,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 10:50:43,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:43,552 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:43,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:43,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 182 states and 293 transitions. [2018-11-10 10:50:43,665 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 293 transitions. [2018-11-10 10:50:43,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 10:50:43,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:43,705 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:43,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:43,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 183 states and 294 transitions. [2018-11-10 10:50:43,749 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 294 transitions. [2018-11-10 10:50:43,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-10 10:50:43,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:43,873 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:44,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:44,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 198 states and 314 transitions. [2018-11-10 10:50:44,481 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 314 transitions. [2018-11-10 10:50:44,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 10:50:44,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:44,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:44,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 199 states and 316 transitions. [2018-11-10 10:50:44,505 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 316 transitions. [2018-11-10 10:50:44,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-10 10:50:44,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:44,540 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:44,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:44,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 209 states and 335 transitions. [2018-11-10 10:50:44,807 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 335 transitions. [2018-11-10 10:50:44,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-10 10:50:44,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:44,828 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:44,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:44,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 210 states and 337 transitions. [2018-11-10 10:50:44,937 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 337 transitions. [2018-11-10 10:50:44,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-10 10:50:44,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:44,961 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:50:45,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:45,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 211 states and 338 transitions. [2018-11-10 10:50:45,001 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 338 transitions. [2018-11-10 10:50:45,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-10 10:50:45,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:45,032 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:45,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:45,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 215 states and 344 transitions. [2018-11-10 10:50:45,121 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 344 transitions. [2018-11-10 10:50:45,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-10 10:50:45,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:45,227 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:45,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:45,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 226 states and 363 transitions. [2018-11-10 10:50:45,810 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 363 transitions. [2018-11-10 10:50:45,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 10:50:45,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:45,832 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:50:45,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:45,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 228 states and 364 transitions. [2018-11-10 10:50:45,929 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 364 transitions. [2018-11-10 10:50:45,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 10:50:45,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:45,950 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:50:46,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:46,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 233 states and 369 transitions. [2018-11-10 10:50:46,158 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 369 transitions. [2018-11-10 10:50:46,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 10:50:46,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:46,218 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:46,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:46,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 235 states and 372 transitions. [2018-11-10 10:50:46,347 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 372 transitions. [2018-11-10 10:50:46,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-10 10:50:46,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:46,363 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:46,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:46,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 246 states and 388 transitions. [2018-11-10 10:50:46,802 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 388 transitions. [2018-11-10 10:50:46,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-10 10:50:46,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:46,821 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:50:47,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:47,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 257 states and 402 transitions. [2018-11-10 10:50:47,247 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 402 transitions. [2018-11-10 10:50:47,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-10 10:50:47,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:47,267 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:50:47,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:47,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 259 states and 403 transitions. [2018-11-10 10:50:47,360 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 403 transitions. [2018-11-10 10:50:47,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-10 10:50:47,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:47,426 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:48,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:48,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 284 states and 437 transitions. [2018-11-10 10:50:48,275 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 437 transitions. [2018-11-10 10:50:48,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 10:50:48,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:48,296 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:50:48,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:48,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 287 states and 440 transitions. [2018-11-10 10:50:48,315 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 440 transitions. [2018-11-10 10:50:48,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-10 10:50:48,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:48,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:48,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 290 states and 443 transitions. [2018-11-10 10:50:48,371 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 443 transitions. [2018-11-10 10:50:48,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-10 10:50:48,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:48,393 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:50:48,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:48,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 292 states and 448 transitions. [2018-11-10 10:50:48,522 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 448 transitions. [2018-11-10 10:50:48,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-10 10:50:48,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:48,618 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:49,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:49,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 306 states and 470 transitions. [2018-11-10 10:50:49,313 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 470 transitions. [2018-11-10 10:50:49,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-10 10:50:49,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:49,331 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:50,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:50,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 322 states and 488 transitions. [2018-11-10 10:50:50,046 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 488 transitions. [2018-11-10 10:50:50,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-10 10:50:50,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:50,061 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:50,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:50,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 326 states and 492 transitions. [2018-11-10 10:50:50,187 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 492 transitions. [2018-11-10 10:50:50,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-10 10:50:50,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:50,253 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:50,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:50,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 340 states and 507 transitions. [2018-11-10 10:50:50,887 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 507 transitions. [2018-11-10 10:50:50,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 10:50:50,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:50,906 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:50,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:50,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 342 states and 510 transitions. [2018-11-10 10:50:50,929 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 510 transitions. [2018-11-10 10:50:50,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 10:50:50,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:51,192 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:52,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:52,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 367 states and 550 transitions. [2018-11-10 10:50:52,658 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 550 transitions. [2018-11-10 10:50:52,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 10:50:52,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:52,760 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:53,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:53,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 372 states and 557 transitions. [2018-11-10 10:50:53,044 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 557 transitions. [2018-11-10 10:50:53,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 10:50:53,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:53,132 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:53,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:53,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 382 states and 567 transitions. [2018-11-10 10:50:53,652 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 567 transitions. [2018-11-10 10:50:53,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 10:50:53,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:53,732 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:54,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:54,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 384 states and 570 transitions. [2018-11-10 10:50:54,041 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 570 transitions. [2018-11-10 10:50:54,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 10:50:54,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:54,119 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:54,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:54,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 391 states and 577 transitions. [2018-11-10 10:50:54,422 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 577 transitions. [2018-11-10 10:50:54,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-10 10:50:54,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:54,837 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:55,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:55,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 405 states and 598 transitions. [2018-11-10 10:50:55,954 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 598 transitions. [2018-11-10 10:50:55,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-10 10:50:55,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:55,975 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:50:56,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:56,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 419 states and 614 transitions. [2018-11-10 10:50:56,705 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 614 transitions. [2018-11-10 10:50:56,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 10:50:56,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:56,723 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:50:57,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:57,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 426 states and 623 transitions. [2018-11-10 10:50:57,086 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 623 transitions. [2018-11-10 10:50:57,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 10:50:57,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:57,102 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:50:57,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:57,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 431 states and 627 transitions. [2018-11-10 10:50:57,398 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 627 transitions. [2018-11-10 10:50:57,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 10:50:57,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:57,416 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:58,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:58,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 448 states and 648 transitions. [2018-11-10 10:50:58,385 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 648 transitions. [2018-11-10 10:50:58,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 10:50:58,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:58,425 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:59,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:59,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 461 states and 668 transitions. [2018-11-10 10:50:59,265 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 668 transitions. [2018-11-10 10:50:59,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 10:50:59,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:59,302 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:50:59,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:50:59,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 473 states and 683 transitions. [2018-11-10 10:50:59,736 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 683 transitions. [2018-11-10 10:50:59,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 10:50:59,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:50:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:50:59,765 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:00,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:00,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 484 states and 693 transitions. [2018-11-10 10:51:00,100 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 693 transitions. [2018-11-10 10:51:00,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 10:51:00,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:00,194 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 10:51:01,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:01,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 572 states and 787 transitions. [2018-11-10 10:51:01,176 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 787 transitions. [2018-11-10 10:51:01,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 10:51:01,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:01,321 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:01,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:01,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 580 states and 795 transitions. [2018-11-10 10:51:01,812 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 795 transitions. [2018-11-10 10:51:01,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 10:51:01,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:01,838 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:02,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 581 states and 795 transitions. [2018-11-10 10:51:02,067 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 795 transitions. [2018-11-10 10:51:02,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-10 10:51:02,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:02,112 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:02,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:02,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 592 states and 810 transitions. [2018-11-10 10:51:02,300 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 810 transitions. [2018-11-10 10:51:02,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-10 10:51:02,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:02,336 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:02,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 594 states and 812 transitions. [2018-11-10 10:51:02,350 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 812 transitions. [2018-11-10 10:51:02,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 10:51:02,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:02,366 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:02,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:02,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 603 states and 823 transitions. [2018-11-10 10:51:02,843 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 823 transitions. [2018-11-10 10:51:02,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 10:51:02,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:02,893 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:04,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:04,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 626 states and 858 transitions. [2018-11-10 10:51:04,483 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 858 transitions. [2018-11-10 10:51:04,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 10:51:04,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:04,512 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:05,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:05,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 641 states and 874 transitions. [2018-11-10 10:51:05,155 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 874 transitions. [2018-11-10 10:51:05,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 10:51:05,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:05,184 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:05,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:05,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 645 states and 880 transitions. [2018-11-10 10:51:05,576 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 880 transitions. [2018-11-10 10:51:05,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 10:51:05,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:05,604 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:06,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:06,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 649 states and 885 transitions. [2018-11-10 10:51:06,030 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 885 transitions. [2018-11-10 10:51:06,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 10:51:06,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:06,075 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:06,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:06,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 657 states and 893 transitions. [2018-11-10 10:51:06,442 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 893 transitions. [2018-11-10 10:51:06,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 10:51:06,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:06,500 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:06,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:06,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 658 states and 894 transitions. [2018-11-10 10:51:06,749 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 894 transitions. [2018-11-10 10:51:06,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 10:51:06,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:06,786 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:51:07,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:07,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 669 states and 912 transitions. [2018-11-10 10:51:07,289 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 912 transitions. [2018-11-10 10:51:07,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 10:51:07,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:07,308 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:51:07,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:07,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 674 states and 918 transitions. [2018-11-10 10:51:07,418 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 918 transitions. [2018-11-10 10:51:07,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 10:51:07,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:07,434 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:51:07,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:07,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 676 states and 919 transitions. [2018-11-10 10:51:07,542 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 919 transitions. [2018-11-10 10:51:07,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 10:51:07,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:07,560 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:51:07,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:07,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 678 states and 921 transitions. [2018-11-10 10:51:07,684 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 921 transitions. [2018-11-10 10:51:07,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 10:51:07,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:07,978 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:09,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:09,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 723 states and 969 transitions. [2018-11-10 10:51:09,733 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 969 transitions. [2018-11-10 10:51:09,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-10 10:51:09,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:09,933 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:10,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:10,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 737 states and 988 transitions. [2018-11-10 10:51:10,397 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 988 transitions. [2018-11-10 10:51:10,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 10:51:10,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:10,428 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:10,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:10,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 745 states and 996 transitions. [2018-11-10 10:51:10,869 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 996 transitions. [2018-11-10 10:51:10,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 10:51:10,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:11,006 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:51:11,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:11,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 759 states and 1027 transitions. [2018-11-10 10:51:11,847 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1027 transitions. [2018-11-10 10:51:11,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 10:51:11,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:11,914 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:51:12,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:12,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 764 states and 1034 transitions. [2018-11-10 10:51:12,363 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1034 transitions. [2018-11-10 10:51:12,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 10:51:12,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:12,432 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:51:12,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:12,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 769 states and 1045 transitions. [2018-11-10 10:51:12,827 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1045 transitions. [2018-11-10 10:51:12,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-10 10:51:12,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:12,853 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:51:14,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:14,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 807 states and 1099 transitions. [2018-11-10 10:51:14,811 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1099 transitions. [2018-11-10 10:51:14,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-10 10:51:14,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:14,837 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:51:15,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:15,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 824 states and 1115 transitions. [2018-11-10 10:51:15,647 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1115 transitions. [2018-11-10 10:51:15,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-10 10:51:15,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:15,683 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:51:15,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:15,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 834 states and 1125 transitions. [2018-11-10 10:51:15,967 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1125 transitions. [2018-11-10 10:51:15,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-10 10:51:15,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:15,988 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:51:16,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:16,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 835 states and 1125 transitions. [2018-11-10 10:51:16,238 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1125 transitions. [2018-11-10 10:51:16,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 10:51:16,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:16,257 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 10:51:17,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:17,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 860 states and 1154 transitions. [2018-11-10 10:51:17,661 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1154 transitions. [2018-11-10 10:51:17,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 10:51:17,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:17,684 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 10:51:18,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:18,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 871 states and 1168 transitions. [2018-11-10 10:51:18,447 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1168 transitions. [2018-11-10 10:51:18,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 10:51:18,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:18,471 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 10:51:18,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:18,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 873 states and 1170 transitions. [2018-11-10 10:51:18,734 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1170 transitions. [2018-11-10 10:51:18,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 10:51:18,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:18,752 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 10:51:19,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:19,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 878 states and 1174 transitions. [2018-11-10 10:51:19,081 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1174 transitions. [2018-11-10 10:51:19,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 10:51:19,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:19,102 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 10:51:19,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:19,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 883 states and 1178 transitions. [2018-11-10 10:51:19,440 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1178 transitions. [2018-11-10 10:51:19,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-10 10:51:19,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:19,670 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 10:51:20,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:20,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 893 states and 1198 transitions. [2018-11-10 10:51:20,743 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1198 transitions. [2018-11-10 10:51:20,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 10:51:20,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:21,176 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:51:24,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:24,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 954 states and 1271 transitions. [2018-11-10 10:51:24,308 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1271 transitions. [2018-11-10 10:51:24,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 10:51:24,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:24,331 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 10:51:25,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:25,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 974 states and 1293 transitions. [2018-11-10 10:51:25,161 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1293 transitions. [2018-11-10 10:51:25,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 10:51:25,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:25,208 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:25,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:25,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 991 states and 1310 transitions. [2018-11-10 10:51:25,279 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1310 transitions. [2018-11-10 10:51:25,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 10:51:25,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:25,885 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:27,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:27,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1022 states and 1347 transitions. [2018-11-10 10:51:27,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1347 transitions. [2018-11-10 10:51:27,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-10 10:51:27,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:27,431 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:28,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:28,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1047 states and 1374 transitions. [2018-11-10 10:51:28,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1374 transitions. [2018-11-10 10:51:28,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-10 10:51:28,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:28,901 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-10 10:51:28,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:28,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1048 states and 1374 transitions. [2018-11-10 10:51:28,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1374 transitions. [2018-11-10 10:51:28,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 10:51:28,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:29,609 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:32,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:32,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1118 states and 1454 transitions. [2018-11-10 10:51:32,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1454 transitions. [2018-11-10 10:51:32,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 10:51:32,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:32,355 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 10:51:32,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:32,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1135 states and 1472 transitions. [2018-11-10 10:51:32,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1472 transitions. [2018-11-10 10:51:32,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 10:51:32,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:32,448 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:34,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:34,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1172 states and 1514 transitions. [2018-11-10 10:51:34,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1514 transitions. [2018-11-10 10:51:34,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 10:51:34,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:34,589 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:35,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:35,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1201 states and 1544 transitions. [2018-11-10 10:51:35,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1544 transitions. [2018-11-10 10:51:35,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 10:51:35,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:35,283 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:35,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:35,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1210 states and 1552 transitions. [2018-11-10 10:51:35,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1552 transitions. [2018-11-10 10:51:35,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-10 10:51:35,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:35,865 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 10:51:36,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:36,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1224 states and 1569 transitions. [2018-11-10 10:51:36,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1569 transitions. [2018-11-10 10:51:36,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 10:51:36,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:37,016 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 10:51:38,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:38,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1255 states and 1606 transitions. [2018-11-10 10:51:38,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1606 transitions. [2018-11-10 10:51:38,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 10:51:38,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:38,552 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 10:51:38,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:38,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1264 states and 1615 transitions. [2018-11-10 10:51:38,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1615 transitions. [2018-11-10 10:51:38,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-10 10:51:38,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:38,879 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 10:51:38,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:38,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1266 states and 1620 transitions. [2018-11-10 10:51:38,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1620 transitions. [2018-11-10 10:51:38,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-10 10:51:38,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:38,969 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 10:51:39,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:39,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1271 states and 1628 transitions. [2018-11-10 10:51:39,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1628 transitions. [2018-11-10 10:51:39,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-10 10:51:39,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:39,331 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 10:51:39,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:39,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1276 states and 1632 transitions. [2018-11-10 10:51:39,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1632 transitions. [2018-11-10 10:51:39,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-10 10:51:39,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:40,355 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 94 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:41,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:41,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1296 states and 1657 transitions. [2018-11-10 10:51:41,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1657 transitions. [2018-11-10 10:51:41,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-10 10:51:41,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:41,588 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 10:51:42,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:42,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1327 states and 1695 transitions. [2018-11-10 10:51:42,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1695 transitions. [2018-11-10 10:51:42,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-10 10:51:42,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:43,008 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 10:51:43,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:43,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1329 states and 1696 transitions. [2018-11-10 10:51:43,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1696 transitions. [2018-11-10 10:51:43,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-10 10:51:43,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:43,066 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 10:51:43,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:43,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1354 states and 1725 transitions. [2018-11-10 10:51:43,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1725 transitions. [2018-11-10 10:51:43,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 10:51:43,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:43,834 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 103 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 10:51:46,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:46,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 1421 states and 1801 transitions. [2018-11-10 10:51:46,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 1801 transitions. [2018-11-10 10:51:46,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 10:51:46,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:46,502 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 103 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 10:51:46,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:46,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1426 states and 1806 transitions. [2018-11-10 10:51:46,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1806 transitions. [2018-11-10 10:51:46,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-10 10:51:46,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:46,894 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 10:51:47,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:47,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1433 states and 1816 transitions. [2018-11-10 10:51:47,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1816 transitions. [2018-11-10 10:51:47,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-10 10:51:47,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:47,577 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 10:51:47,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:47,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1434 states and 1817 transitions. [2018-11-10 10:51:47,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1817 transitions. [2018-11-10 10:51:47,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-10 10:51:47,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:47,942 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 10:51:49,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:49,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1445 states and 1834 transitions. [2018-11-10 10:51:49,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1834 transitions. [2018-11-10 10:51:49,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-10 10:51:49,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:49,607 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 10:51:50,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:50,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1453 states and 1844 transitions. [2018-11-10 10:51:50,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 1844 transitions. [2018-11-10 10:51:50,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-10 10:51:50,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:50,263 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 10:51:50,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:50,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1845 states to 1455 states and 1845 transitions. [2018-11-10 10:51:50,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 1845 transitions. [2018-11-10 10:51:50,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 10:51:50,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:51,765 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 167 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:54,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:54,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1486 states and 1886 transitions. [2018-11-10 10:51:54,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 1886 transitions. [2018-11-10 10:51:54,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 10:51:54,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:54,576 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 167 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:55,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:55,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 1489 states and 1888 transitions. [2018-11-10 10:51:55,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1888 transitions. [2018-11-10 10:51:55,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-10 10:51:55,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:55,056 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-10 10:51:55,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:55,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1491 states and 1889 transitions. [2018-11-10 10:51:55,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1889 transitions. [2018-11-10 10:51:55,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-10 10:51:55,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:55,273 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-10 10:51:55,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:55,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 1496 states and 1893 transitions. [2018-11-10 10:51:55,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1893 transitions. [2018-11-10 10:51:55,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-10 10:51:55,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:55,916 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 10:51:56,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:56,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 1497 states and 1894 transitions. [2018-11-10 10:51:56,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1894 transitions. [2018-11-10 10:51:56,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-10 10:51:56,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:58,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:58,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1531 states and 1932 transitions. [2018-11-10 10:51:58,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1932 transitions. [2018-11-10 10:51:58,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-10 10:51:58,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:58,977 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:51:59,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:51:59,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 1532 states and 1933 transitions. [2018-11-10 10:51:59,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1933 transitions. [2018-11-10 10:51:59,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-10 10:51:59,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:51:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:51:59,426 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 10:52:01,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:01,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1550 states and 1955 transitions. [2018-11-10 10:52:01,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 1955 transitions. [2018-11-10 10:52:01,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 10:52:01,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:01,732 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:03,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:03,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1560 states and 1969 transitions. [2018-11-10 10:52:03,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 1969 transitions. [2018-11-10 10:52:03,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 10:52:03,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:03,440 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:04,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:04,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1982 states to 1571 states and 1982 transitions. [2018-11-10 10:52:04,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 1982 transitions. [2018-11-10 10:52:04,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 10:52:04,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:04,558 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:05,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:05,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1585 states and 1995 transitions. [2018-11-10 10:52:05,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 1995 transitions. [2018-11-10 10:52:05,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 10:52:05,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:05,744 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 160 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:06,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:06,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 1590 states and 2001 transitions. [2018-11-10 10:52:06,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 2001 transitions. [2018-11-10 10:52:06,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 10:52:06,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:06,679 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 118 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:07,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:07,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2042 states to 1627 states and 2042 transitions. [2018-11-10 10:52:07,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 2042 transitions. [2018-11-10 10:52:07,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 10:52:07,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:07,983 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 118 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:09,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:09,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 1657 states and 2072 transitions. [2018-11-10 10:52:09,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 2072 transitions. [2018-11-10 10:52:09,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 10:52:09,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:09,228 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 118 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:09,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:09,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 1658 states and 2072 transitions. [2018-11-10 10:52:09,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 2072 transitions. [2018-11-10 10:52:09,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-10 10:52:09,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:09,674 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-10 10:52:10,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:10,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 1729 states and 2146 transitions. [2018-11-10 10:52:10,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2146 transitions. [2018-11-10 10:52:10,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-10 10:52:10,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:10,570 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 191 proven. 5 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 10:52:11,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:11,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 1734 states and 2152 transitions. [2018-11-10 10:52:11,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2152 transitions. [2018-11-10 10:52:11,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 10:52:11,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:11,079 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:52:12,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:12,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 1749 states and 2165 transitions. [2018-11-10 10:52:12,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2165 transitions. [2018-11-10 10:52:12,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 10:52:12,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:12,231 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:52:13,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 1754 states and 2173 transitions. [2018-11-10 10:52:13,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 2173 transitions. [2018-11-10 10:52:13,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 10:52:13,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:13,576 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:52:14,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:14,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 1759 states and 2177 transitions. [2018-11-10 10:52:14,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2177 transitions. [2018-11-10 10:52:14,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 10:52:14,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:14,065 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:52:15,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:15,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 1764 states and 2181 transitions. [2018-11-10 10:52:15,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2181 transitions. [2018-11-10 10:52:15,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-10 10:52:15,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:15,326 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-10 10:52:16,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:16,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 1782 states and 2202 transitions. [2018-11-10 10:52:16,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 2202 transitions. [2018-11-10 10:52:16,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-10 10:52:16,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:17,825 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 10:52:21,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:21,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 1830 states and 2252 transitions. [2018-11-10 10:52:21,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2252 transitions. [2018-11-10 10:52:21,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-10 10:52:21,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:21,376 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:24,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:24,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 1880 states and 2309 transitions. [2018-11-10 10:52:24,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 2309 transitions. [2018-11-10 10:52:24,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-10 10:52:24,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:24,219 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:25,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:25,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2337 states to 1906 states and 2337 transitions. [2018-11-10 10:52:25,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 2337 transitions. [2018-11-10 10:52:25,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-10 10:52:25,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:25,174 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:25,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:25,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 1907 states and 2338 transitions. [2018-11-10 10:52:25,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 2338 transitions. [2018-11-10 10:52:25,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-10 10:52:25,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:26,203 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 191 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:28,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:28,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 1928 states and 2363 transitions. [2018-11-10 10:52:28,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 2363 transitions. [2018-11-10 10:52:28,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-10 10:52:28,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:28,809 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 191 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:30,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:30,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 1932 states and 2370 transitions. [2018-11-10 10:52:30,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 2370 transitions. [2018-11-10 10:52:30,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-10 10:52:30,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:31,723 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 10:52:35,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:35,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 1991 states and 2430 transitions. [2018-11-10 10:52:35,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 2430 transitions. [2018-11-10 10:52:35,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-10 10:52:35,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:35,832 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 10:52:36,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:36,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 1992 states and 2430 transitions. [2018-11-10 10:52:36,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2430 transitions. [2018-11-10 10:52:36,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-10 10:52:36,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:36,851 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 280 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:39,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:39,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2013 states and 2458 transitions. [2018-11-10 10:52:39,724 INFO L276 IsEmpty]: Start isEmpty. Operand 2013 states and 2458 transitions. [2018-11-10 10:52:39,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-10 10:52:39,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:40,596 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 203 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:45,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:45,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2042 states and 2493 transitions. [2018-11-10 10:52:45,055 INFO L276 IsEmpty]: Start isEmpty. Operand 2042 states and 2493 transitions. [2018-11-10 10:52:45,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-10 10:52:45,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:45,374 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 203 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:45,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:45,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2047 states and 2498 transitions. [2018-11-10 10:52:45,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2498 transitions. [2018-11-10 10:52:45,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-10 10:52:45,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:45,956 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-10 10:52:46,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:46,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2570 states to 2117 states and 2570 transitions. [2018-11-10 10:52:46,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 2570 transitions. [2018-11-10 10:52:46,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-10 10:52:46,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:46,513 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-10 10:52:47,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:47,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2188 states and 2645 transitions. [2018-11-10 10:52:47,681 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 2645 transitions. [2018-11-10 10:52:47,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-10 10:52:47,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:47,734 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-11-10 10:52:48,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:48,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2648 states to 2192 states and 2648 transitions. [2018-11-10 10:52:48,153 INFO L276 IsEmpty]: Start isEmpty. Operand 2192 states and 2648 transitions. [2018-11-10 10:52:48,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-10 10:52:48,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:48,819 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 204 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:55,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:55,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 2259 states and 2740 transitions. [2018-11-10 10:52:55,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2740 transitions. [2018-11-10 10:52:55,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-10 10:52:55,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:55,196 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 204 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:52:59,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:52:59,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2305 states and 2793 transitions. [2018-11-10 10:52:59,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 2793 transitions. [2018-11-10 10:52:59,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-10 10:52:59,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:52:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:52:59,510 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 204 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:53:02,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:02,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2325 states and 2814 transitions. [2018-11-10 10:53:02,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 2814 transitions. [2018-11-10 10:53:02,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-10 10:53:02,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:03,205 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 83 proven. 171 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-10 10:53:07,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:07,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2904 states to 2406 states and 2904 transitions. [2018-11-10 10:53:07,164 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 2904 transitions. [2018-11-10 10:53:07,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-10 10:53:07,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:07,239 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-10 10:53:07,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:07,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 2407 states and 2905 transitions. [2018-11-10 10:53:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2407 states and 2905 transitions. [2018-11-10 10:53:07,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-10 10:53:07,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:07,520 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-10 10:53:07,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:07,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 2408 states and 2905 transitions. [2018-11-10 10:53:07,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2408 states and 2905 transitions. [2018-11-10 10:53:07,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-10 10:53:07,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:07,996 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-10 10:53:08,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:08,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 2412 states and 2910 transitions. [2018-11-10 10:53:08,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 2910 transitions. [2018-11-10 10:53:08,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-10 10:53:08,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:08,928 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-10 10:53:09,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:09,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 2413 states and 2910 transitions. [2018-11-10 10:53:09,274 INFO L276 IsEmpty]: Start isEmpty. Operand 2413 states and 2910 transitions. [2018-11-10 10:53:09,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 10:53:09,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:09,349 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-10 10:53:12,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:12,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 2482 states and 2994 transitions. [2018-11-10 10:53:12,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2482 states and 2994 transitions. [2018-11-10 10:53:12,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 10:53:12,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:13,018 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-10 10:53:14,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:14,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 2501 states and 3013 transitions. [2018-11-10 10:53:14,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2501 states and 3013 transitions. [2018-11-10 10:53:14,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 10:53:14,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:14,122 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-10 10:53:16,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:16,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 2517 states and 3029 transitions. [2018-11-10 10:53:16,350 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 3029 transitions. [2018-11-10 10:53:16,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 10:53:16,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:16,425 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-10 10:53:17,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:17,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3038 states to 2522 states and 3038 transitions. [2018-11-10 10:53:17,496 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 3038 transitions. [2018-11-10 10:53:17,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 10:53:17,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:17,573 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-10 10:53:18,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:18,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 2524 states and 3041 transitions. [2018-11-10 10:53:18,650 INFO L276 IsEmpty]: Start isEmpty. Operand 2524 states and 3041 transitions. [2018-11-10 10:53:18,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 10:53:18,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:18,726 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-10 10:53:19,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:19,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 2525 states and 3041 transitions. [2018-11-10 10:53:19,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 3041 transitions. [2018-11-10 10:53:19,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 10:53:19,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:19,338 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-10 10:53:19,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:19,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 2526 states and 3041 transitions. [2018-11-10 10:53:19,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 3041 transitions. [2018-11-10 10:53:19,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 10:53:19,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:19,958 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-10 10:53:20,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:20,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 2527 states and 3042 transitions. [2018-11-10 10:53:20,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2527 states and 3042 transitions. [2018-11-10 10:53:20,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 10:53:20,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:20,599 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-10 10:53:21,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:21,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3052 states to 2537 states and 3052 transitions. [2018-11-10 10:53:21,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 3052 transitions. [2018-11-10 10:53:21,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 10:53:21,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:21,373 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-10 10:53:21,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:21,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3052 states to 2538 states and 3052 transitions. [2018-11-10 10:53:21,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2538 states and 3052 transitions. [2018-11-10 10:53:21,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 10:53:21,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:21,989 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-10 10:53:22,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:22,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 2539 states and 3055 transitions. [2018-11-10 10:53:22,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2539 states and 3055 transitions. [2018-11-10 10:53:22,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 10:53:22,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:22,668 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-10 10:53:24,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:24,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3082 states to 2562 states and 3082 transitions. [2018-11-10 10:53:24,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 3082 transitions. [2018-11-10 10:53:24,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 10:53:24,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:24,635 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-10 10:53:24,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:24,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 2564 states and 3083 transitions. [2018-11-10 10:53:24,943 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 3083 transitions. [2018-11-10 10:53:24,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 10:53:24,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:25,018 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-10 10:53:26,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:26,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 2575 states and 3095 transitions. [2018-11-10 10:53:26,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 3095 transitions. [2018-11-10 10:53:26,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 10:53:26,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:26,617 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-10 10:53:27,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:27,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 2585 states and 3104 transitions. [2018-11-10 10:53:27,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 3104 transitions. [2018-11-10 10:53:27,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-10 10:53:27,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:27,258 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 262 proven. 5 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-11-10 10:53:27,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:27,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3113 states to 2591 states and 3113 transitions. [2018-11-10 10:53:27,997 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 3113 transitions. [2018-11-10 10:53:27,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-10 10:53:27,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:28,247 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 262 proven. 5 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-11-10 10:53:28,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:28,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 2592 states and 3114 transitions. [2018-11-10 10:53:28,701 INFO L276 IsEmpty]: Start isEmpty. Operand 2592 states and 3114 transitions. [2018-11-10 10:53:28,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-10 10:53:28,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:28,873 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 162 proven. 246 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-11-10 10:53:30,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:30,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3126 states to 2602 states and 3126 transitions. [2018-11-10 10:53:30,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2602 states and 3126 transitions. [2018-11-10 10:53:30,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-10 10:53:30,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:30,644 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 334 proven. 112 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-10 10:53:32,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:32,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3144 states to 2615 states and 3144 transitions. [2018-11-10 10:53:32,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 3144 transitions. [2018-11-10 10:53:32,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-10 10:53:32,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:32,445 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 334 proven. 112 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-10 10:53:33,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:33,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3151 states to 2620 states and 3151 transitions. [2018-11-10 10:53:33,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2620 states and 3151 transitions. [2018-11-10 10:53:33,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-10 10:53:33,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:33,463 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 334 proven. 112 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-10 10:53:34,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:34,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 2621 states and 3152 transitions. [2018-11-10 10:53:34,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2621 states and 3152 transitions. [2018-11-10 10:53:34,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-10 10:53:34,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:34,120 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 334 proven. 112 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-10 10:53:35,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:35,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 2630 states and 3162 transitions. [2018-11-10 10:53:35,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2630 states and 3162 transitions. [2018-11-10 10:53:35,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-11-10 10:53:35,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 440 proven. 5 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-10 10:53:46,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:46,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3270 states to 2722 states and 3270 transitions. [2018-11-10 10:53:46,699 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3270 transitions. [2018-11-10 10:53:46,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-11-10 10:53:46,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:46,781 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-11-10 10:53:50,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:50,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3309 states to 2760 states and 3309 transitions. [2018-11-10 10:53:50,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 3309 transitions. [2018-11-10 10:53:50,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-11-10 10:53:50,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:50,437 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-11-10 10:53:51,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:51,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 2765 states and 3314 transitions. [2018-11-10 10:53:51,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2765 states and 3314 transitions. [2018-11-10 10:53:51,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-11-10 10:53:51,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:51,419 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-11-10 10:53:51,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:51,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3322 states to 2774 states and 3322 transitions. [2018-11-10 10:53:51,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3322 transitions. [2018-11-10 10:53:51,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-11-10 10:53:51,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:52,166 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 451 proven. 8 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-10 10:53:52,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:52,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3328 states to 2779 states and 3328 transitions. [2018-11-10 10:53:52,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3328 transitions. [2018-11-10 10:53:52,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-11-10 10:53:52,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:53:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:53:53,089 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 334 proven. 70 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2018-11-10 10:53:54,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:53:54,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3322 states to 2774 states and 3322 transitions. [2018-11-10 10:53:54,520 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 3322 transitions. [2018-11-10 10:53:54,521 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:53:54,522 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 176 iterations. [2018-11-10 10:53:54,528 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 10:53:54,693 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 46 [2018-11-10 10:53:54,847 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 50 [2018-11-10 10:53:55,002 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2018-11-10 10:53:55,149 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 50 [2018-11-10 10:53:55,387 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 18 [2018-11-10 10:53:55,547 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2018-11-10 10:53:55,715 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 18 [2018-11-10 10:53:55,869 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 18 [2018-11-10 10:53:56,091 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 18 [2018-11-10 10:53:56,270 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2018-11-10 10:53:56,433 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2018-11-10 10:53:56,686 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 18 [2018-11-10 10:53:56,836 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 18 [2018-11-10 10:53:57,112 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2018-11-10 10:53:57,327 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 18 [2018-11-10 10:53:57,466 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 50 [2018-11-10 10:53:57,568 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2018-11-10 10:53:57,763 WARN L179 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 48 [2018-11-10 10:53:57,977 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 51 [2018-11-10 10:53:58,120 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 51 [2018-11-10 10:53:58,263 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 51 [2018-11-10 10:53:58,494 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 50 [2018-11-10 10:53:58,696 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 51 [2018-11-10 10:53:58,826 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 18 [2018-11-10 10:53:58,970 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 51 [2018-11-10 10:53:59,294 WARN L179 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 48 [2018-11-10 10:53:59,514 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2018-11-10 10:53:59,855 WARN L179 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 48 [2018-11-10 10:54:00,093 WARN L179 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 48 [2018-11-10 10:54:00,286 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 48 [2018-11-10 10:54:00,534 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 18 [2018-11-10 10:54:00,705 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2018-11-10 10:54:00,904 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 51 [2018-11-10 10:54:01,123 WARN L179 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 18 [2018-11-10 10:54:01,287 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 48 [2018-11-10 10:54:01,478 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 46 [2018-11-10 10:54:01,634 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 18 [2018-11-10 10:54:01,936 WARN L179 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 61 [2018-11-10 10:54:02,169 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 50 [2018-11-10 10:54:02,316 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 50 [2018-11-10 10:54:02,436 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 18 [2018-11-10 10:54:02,595 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 18 [2018-11-10 10:54:02,701 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 18 [2018-11-10 10:54:02,886 WARN L179 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2018-11-10 10:54:03,048 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 18 [2018-11-10 10:54:03,048 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:54:03,050 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-11-10 10:54:03,055 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-11-10 10:54:03,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:54:03 ImpRootNode [2018-11-10 10:54:03,056 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:54:03,056 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:54:03,056 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:54:03,056 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:54:03,057 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:50:41" (3/4) ... [2018-11-10 10:54:03,060 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:54:03,074 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-10 10:54:03,075 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 10:54:03,075 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-10 10:54:03,077 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 10:54:03,152 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bafaaccf-8ae8-4622-a10a-89e8ac456ea2/bin-2019/ukojak/witness.graphml [2018-11-10 10:54:03,152 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:54:03,153 INFO L168 Benchmark]: Toolchain (without parser) took 203293.30 ms. Allocated memory was 1.0 GB in the beginning and 4.5 GB in the end (delta: 3.5 GB). Free memory was 951.2 MB in the beginning and 3.0 GB in the end (delta: -2.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-10 10:54:03,153 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:54:03,153 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.52 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 919.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:54:03,154 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -218.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:54:03,154 INFO L168 Benchmark]: Boogie Preprocessor took 40.93 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:54:03,154 INFO L168 Benchmark]: RCFGBuilder took 1251.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 890.7 MB in the end (delta: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:54:03,154 INFO L168 Benchmark]: CodeCheck took 201444.83 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.4 GB). Free memory was 890.7 MB in the beginning and 3.1 GB in the end (delta: -2.2 GB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. [2018-11-10 10:54:03,155 INFO L168 Benchmark]: Witness Printer took 96.18 ms. Allocated memory is still 4.5 GB. Free memory was 3.1 GB in the beginning and 3.0 GB in the end (delta: 67.4 MB). Peak memory consumption was 67.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:54:03,156 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 192.8s OverallTime, 176 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 22924 SDtfs, -1715302312 SDslu, -1341994016 SDs, 0 SdLazy, -539343340 SolverSat, 436224260 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 581.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 198559 GetRequests, 190597 SyntacticMatches, 5972 SemanticMatches, 1990 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2718419 ImplicationChecksByTransitivity, 171.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 20.9s InterpolantComputationTime, 28954 NumberOfCodeBlocks, 28954 NumberOfCodeBlocksAsserted, 175 NumberOfCheckSat, 28779 ConstructedInterpolants, 0 QuantifiedInterpolants, 25991401 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 175 InterpolantComputations, 128 PerfectInterpolantSequences, 26041/27533 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: 569]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((a17 == 1 || !(a16 == 4)) || !(a7 == 1)) || !(a20 == 1)) || !(a8 == 14) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((a17 == 1 || !(a16 == 4)) || !(a7 == 1)) || !(a20 == 1)) || !(a8 == 14) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 348.52 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 919.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 108.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -218.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.93 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1251.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 890.7 MB in the end (delta: 243.1 MB). Peak memory consumption was 243.1 MB. Max. memory is 11.5 GB. * CodeCheck took 201444.83 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.4 GB). Free memory was 890.7 MB in the beginning and 3.1 GB in the end (delta: -2.2 GB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. * Witness Printer took 96.18 ms. Allocated memory is still 4.5 GB. Free memory was 3.1 GB in the beginning and 3.0 GB in the end (delta: 67.4 MB). Peak memory consumption was 67.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...