./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label09_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_657d8761-0598-48d2-a24d-6c2fded48cee/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_657d8761-0598-48d2-a24d-6c2fded48cee/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_657d8761-0598-48d2-a24d-6c2fded48cee/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_657d8761-0598-48d2-a24d-6c2fded48cee/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label09_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_657d8761-0598-48d2-a24d-6c2fded48cee/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_657d8761-0598-48d2-a24d-6c2fded48cee/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 31179e70784aebb46d762aef4da1a2ff63bbff38 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 13:21:11,506 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 13:21:11,507 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 13:21:11,513 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 13:21:11,513 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 13:21:11,514 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 13:21:11,514 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 13:21:11,515 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 13:21:11,516 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 13:21:11,516 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 13:21:11,517 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 13:21:11,517 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 13:21:11,517 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 13:21:11,518 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 13:21:11,518 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 13:21:11,519 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 13:21:11,519 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 13:21:11,520 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 13:21:11,521 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 13:21:11,522 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 13:21:11,522 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 13:21:11,523 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 13:21:11,524 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 13:21:11,524 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 13:21:11,524 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 13:21:11,525 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 13:21:11,525 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 13:21:11,525 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 13:21:11,526 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 13:21:11,526 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 13:21:11,526 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 13:21:11,527 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 13:21:11,527 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 13:21:11,527 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 13:21:11,528 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 13:21:11,528 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 13:21:11,528 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_657d8761-0598-48d2-a24d-6c2fded48cee/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 13:21:11,535 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 13:21:11,535 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 13:21:11,536 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 13:21:11,536 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 13:21:11,536 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 13:21:11,536 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 13:21:11,537 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 13:21:11,537 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 13:21:11,537 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 13:21:11,537 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 13:21:11,537 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 13:21:11,537 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 13:21:11,537 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 13:21:11,537 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 13:21:11,537 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 13:21:11,537 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 13:21:11,537 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 13:21:11,538 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 13:21:11,538 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 13:21:11,538 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 13:21:11,538 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 13:21:11,538 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 13:21:11,538 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 13:21:11,538 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 13:21:11,538 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 13:21:11,538 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 13:21:11,538 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 13:21:11,539 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 13:21:11,539 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 13:21:11,539 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_657d8761-0598-48d2-a24d-6c2fded48cee/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 -> 31179e70784aebb46d762aef4da1a2ff63bbff38 [2018-12-09 13:21:11,555 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 13:21:11,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 13:21:11,564 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 13:21:11,565 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 13:21:11,565 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 13:21:11,566 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_657d8761-0598-48d2-a24d-6c2fded48cee/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label09_true-unreach-call_false-termination.c [2018-12-09 13:21:11,600 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_657d8761-0598-48d2-a24d-6c2fded48cee/bin-2019/ukojak/data/721bef939/fc661b4687ca4acb8cad6e765f7e60ee/FLAG8b40ecc2b [2018-12-09 13:21:12,059 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 13:21:12,060 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_657d8761-0598-48d2-a24d-6c2fded48cee/sv-benchmarks/c/eca-rers2012/Problem01_label09_true-unreach-call_false-termination.c [2018-12-09 13:21:12,066 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_657d8761-0598-48d2-a24d-6c2fded48cee/bin-2019/ukojak/data/721bef939/fc661b4687ca4acb8cad6e765f7e60ee/FLAG8b40ecc2b [2018-12-09 13:21:12,075 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_657d8761-0598-48d2-a24d-6c2fded48cee/bin-2019/ukojak/data/721bef939/fc661b4687ca4acb8cad6e765f7e60ee [2018-12-09 13:21:12,077 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 13:21:12,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 13:21:12,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 13:21:12,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 13:21:12,080 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 13:21:12,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:21:12" (1/1) ... [2018-12-09 13:21:12,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:12, skipping insertion in model container [2018-12-09 13:21:12,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:21:12" (1/1) ... [2018-12-09 13:21:12,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 13:21:12,110 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 13:21:12,286 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:21:12,289 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 13:21:12,337 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:21:12,389 INFO L195 MainTranslator]: Completed translation [2018-12-09 13:21:12,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:12 WrapperNode [2018-12-09 13:21:12,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 13:21:12,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 13:21:12,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 13:21:12,390 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 13:21:12,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:12" (1/1) ... [2018-12-09 13:21:12,404 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:12" (1/1) ... [2018-12-09 13:21:12,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 13:21:12,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 13:21:12,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 13:21:12,429 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 13:21:12,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:12" (1/1) ... [2018-12-09 13:21:12,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:12" (1/1) ... [2018-12-09 13:21:12,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:12" (1/1) ... [2018-12-09 13:21:12,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:12" (1/1) ... [2018-12-09 13:21:12,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:12" (1/1) ... [2018-12-09 13:21:12,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:12" (1/1) ... [2018-12-09 13:21:12,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:12" (1/1) ... [2018-12-09 13:21:12,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 13:21:12,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 13:21:12,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 13:21:12,459 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 13:21:12,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_657d8761-0598-48d2-a24d-6c2fded48cee/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 13:21:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 13:21:12,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 13:21:13,409 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 13:21:13,409 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 13:21:13,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:21:13 BoogieIcfgContainer [2018-12-09 13:21:13,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 13:21:13,410 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 13:21:13,410 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 13:21:13,419 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 13:21:13,419 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:21:13" (1/1) ... [2018-12-09 13:21:13,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:21:13,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:13,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-09 13:21:13,458 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-09 13:21:13,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 13:21:13,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:13,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:21:13,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:13,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 145 states and 221 transitions. [2018-12-09 13:21:13,964 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 221 transitions. [2018-12-09 13:21:13,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 13:21:13,965 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:14,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:21:14,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:14,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 149 states and 226 transitions. [2018-12-09 13:21:14,142 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2018-12-09 13:21:14,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 13:21:14,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:14,179 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:21:14,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:14,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 154 states and 236 transitions. [2018-12-09 13:21:14,255 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 236 transitions. [2018-12-09 13:21:14,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 13:21:14,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:14,315 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 13:21:14,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:14,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 230 states and 325 transitions. [2018-12-09 13:21:14,724 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 325 transitions. [2018-12-09 13:21:14,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 13:21:14,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:14,758 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 13:21:15,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:15,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 252 states and 354 transitions. [2018-12-09 13:21:15,037 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 354 transitions. [2018-12-09 13:21:15,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 13:21:15,039 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:15,159 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 13:21:15,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:15,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 262 states and 370 transitions. [2018-12-09 13:21:15,559 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 370 transitions. [2018-12-09 13:21:15,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 13:21:15,560 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:15,590 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 13:21:15,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:15,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 267 states and 375 transitions. [2018-12-09 13:21:15,617 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 375 transitions. [2018-12-09 13:21:15,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 13:21:15,617 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:15,655 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 13:21:16,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:16,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 278 states and 397 transitions. [2018-12-09 13:21:16,163 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 397 transitions. [2018-12-09 13:21:16,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 13:21:16,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:16,180 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 13:21:16,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:16,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 284 states and 405 transitions. [2018-12-09 13:21:16,479 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 405 transitions. [2018-12-09 13:21:16,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 13:21:16,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:16,497 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 13:21:16,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:16,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 286 states and 407 transitions. [2018-12-09 13:21:16,587 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 407 transitions. [2018-12-09 13:21:16,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 13:21:16,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:16,603 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 13:21:16,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:16,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 289 states and 410 transitions. [2018-12-09 13:21:16,691 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 410 transitions. [2018-12-09 13:21:16,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 13:21:16,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:16,716 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 13:21:16,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:16,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 292 states and 413 transitions. [2018-12-09 13:21:16,805 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 413 transitions. [2018-12-09 13:21:16,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-09 13:21:16,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:16,827 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 13:21:16,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:16,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 298 states and 419 transitions. [2018-12-09 13:21:16,869 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 419 transitions. [2018-12-09 13:21:16,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 13:21:16,870 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:16,892 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 13:21:17,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:17,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 304 states and 429 transitions. [2018-12-09 13:21:17,207 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 429 transitions. [2018-12-09 13:21:17,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 13:21:17,207 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:17,228 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 13:21:17,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:17,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 307 states and 433 transitions. [2018-12-09 13:21:17,408 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 433 transitions. [2018-12-09 13:21:17,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 13:21:17,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:17,426 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 13:21:17,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:17,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 310 states and 438 transitions. [2018-12-09 13:21:17,538 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 438 transitions. [2018-12-09 13:21:17,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 13:21:17,539 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:17,553 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 13:21:17,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:17,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 312 states and 440 transitions. [2018-12-09 13:21:17,570 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 440 transitions. [2018-12-09 13:21:17,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 13:21:17,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:17,651 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 13:21:18,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:18,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 317 states and 447 transitions. [2018-12-09 13:21:18,014 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 447 transitions. [2018-12-09 13:21:18,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 13:21:18,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:18,078 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 13:21:18,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:18,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 324 states and 457 transitions. [2018-12-09 13:21:18,348 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 457 transitions. [2018-12-09 13:21:18,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 13:21:18,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:18,369 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 13:21:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:18,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 327 states and 461 transitions. [2018-12-09 13:21:18,501 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 461 transitions. [2018-12-09 13:21:18,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 13:21:18,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:18,524 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 13:21:18,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:18,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 330 states and 465 transitions. [2018-12-09 13:21:18,661 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 465 transitions. [2018-12-09 13:21:18,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 13:21:18,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:18,687 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 13:21:18,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:18,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 332 states and 466 transitions. [2018-12-09 13:21:18,830 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 466 transitions. [2018-12-09 13:21:18,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-09 13:21:18,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:18,848 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 13:21:18,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:18,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 346 states and 480 transitions. [2018-12-09 13:21:18,903 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 480 transitions. [2018-12-09 13:21:18,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-09 13:21:18,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:18,959 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:21:19,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:19,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 391 states and 529 transitions. [2018-12-09 13:21:19,303 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 529 transitions. [2018-12-09 13:21:19,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-09 13:21:19,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:19,326 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 13:21:19,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:19,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 398 states and 538 transitions. [2018-12-09 13:21:19,469 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 538 transitions. [2018-12-09 13:21:19,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 13:21:19,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:19,543 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 13:21:19,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:19,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 416 states and 558 transitions. [2018-12-09 13:21:19,854 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 558 transitions. [2018-12-09 13:21:19,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 13:21:19,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:20,079 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-09 13:21:21,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:21,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 444 states and 601 transitions. [2018-12-09 13:21:21,399 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 601 transitions. [2018-12-09 13:21:21,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 13:21:21,400 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:21,444 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-09 13:21:21,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:21,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 445 states and 601 transitions. [2018-12-09 13:21:21,602 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 601 transitions. [2018-12-09 13:21:21,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 13:21:21,602 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:21,633 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-09 13:21:22,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:22,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 452 states and 607 transitions. [2018-12-09 13:21:22,093 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 607 transitions. [2018-12-09 13:21:22,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-09 13:21:22,093 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:22,351 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:21:23,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:23,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 517 states and 674 transitions. [2018-12-09 13:21:23,499 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 674 transitions. [2018-12-09 13:21:23,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 13:21:23,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:24,001 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 13:21:26,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:26,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 572 states and 734 transitions. [2018-12-09 13:21:26,442 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 734 transitions. [2018-12-09 13:21:26,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 13:21:26,443 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:26,783 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:21:28,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:28,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 634 states and 809 transitions. [2018-12-09 13:21:28,426 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 809 transitions. [2018-12-09 13:21:28,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 13:21:28,426 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:28,485 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:21:29,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:29,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 645 states and 821 transitions. [2018-12-09 13:21:29,290 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 821 transitions. [2018-12-09 13:21:29,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 13:21:29,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:29,358 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:21:29,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:29,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 648 states and 825 transitions. [2018-12-09 13:21:29,569 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 825 transitions. [2018-12-09 13:21:29,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 13:21:29,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:29,606 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 13:21:29,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:29,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 649 states and 825 transitions. [2018-12-09 13:21:29,625 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 825 transitions. [2018-12-09 13:21:29,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-09 13:21:29,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:29,798 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:21:30,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:30,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 718 states and 899 transitions. [2018-12-09 13:21:30,905 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 899 transitions. [2018-12-09 13:21:30,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 13:21:30,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:31,093 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 13:21:31,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:31,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 723 states and 908 transitions. [2018-12-09 13:21:31,668 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 908 transitions. [2018-12-09 13:21:31,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 13:21:31,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:31,757 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 13:21:32,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:32,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 729 states and 915 transitions. [2018-12-09 13:21:32,134 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 915 transitions. [2018-12-09 13:21:32,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 13:21:32,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:32,219 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 13:21:32,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:32,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 732 states and 918 transitions. [2018-12-09 13:21:32,434 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 918 transitions. [2018-12-09 13:21:32,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 13:21:32,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 13:21:33,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:33,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 801 states and 988 transitions. [2018-12-09 13:21:33,863 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 988 transitions. [2018-12-09 13:21:33,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 13:21:33,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:34,178 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 13:21:35,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:35,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 826 states and 1020 transitions. [2018-12-09 13:21:35,317 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1020 transitions. [2018-12-09 13:21:35,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 13:21:35,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:35,475 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 13:21:35,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:35,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 829 states and 1023 transitions. [2018-12-09 13:21:35,670 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1023 transitions. [2018-12-09 13:21:35,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 13:21:35,671 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:35,820 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 13:21:36,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:36,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 832 states and 1026 transitions. [2018-12-09 13:21:36,039 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1026 transitions. [2018-12-09 13:21:36,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 13:21:36,039 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:36,059 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-09 13:21:36,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:36,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 843 states and 1044 transitions. [2018-12-09 13:21:36,714 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1044 transitions. [2018-12-09 13:21:36,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 13:21:36,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:36,758 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-09 13:21:36,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:36,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 845 states and 1045 transitions. [2018-12-09 13:21:36,994 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1045 transitions. [2018-12-09 13:21:36,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 13:21:36,995 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:37,019 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-09 13:21:37,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:37,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 847 states and 1046 transitions. [2018-12-09 13:21:37,227 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1046 transitions. [2018-12-09 13:21:37,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-09 13:21:37,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:37,263 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 13:21:37,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:37,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 849 states and 1048 transitions. [2018-12-09 13:21:37,343 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1048 transitions. [2018-12-09 13:21:37,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 13:21:37,344 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:37,913 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:21:43,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:43,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 914 states and 1127 transitions. [2018-12-09 13:21:43,669 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1127 transitions. [2018-12-09 13:21:43,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 13:21:43,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:43,750 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:21:45,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:45,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 935 states and 1150 transitions. [2018-12-09 13:21:45,961 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1150 transitions. [2018-12-09 13:21:45,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 13:21:45,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:46,043 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:21:46,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:46,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 938 states and 1154 transitions. [2018-12-09 13:21:46,337 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1154 transitions. [2018-12-09 13:21:46,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 13:21:46,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:46,696 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 13:21:49,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:49,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 947 states and 1173 transitions. [2018-12-09 13:21:49,269 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1173 transitions. [2018-12-09 13:21:49,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 13:21:49,270 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:49,296 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 13:21:50,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:50,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 951 states and 1179 transitions. [2018-12-09 13:21:50,158 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1179 transitions. [2018-12-09 13:21:50,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-09 13:21:50,159 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:50,189 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-09 13:21:50,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:50,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 954 states and 1183 transitions. [2018-12-09 13:21:50,357 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1183 transitions. [2018-12-09 13:21:50,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 13:21:50,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:50,560 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 13:21:51,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:51,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 999 states and 1235 transitions. [2018-12-09 13:21:51,542 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1235 transitions. [2018-12-09 13:21:51,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-09 13:21:51,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:51,574 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 13:21:51,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:51,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1005 states and 1242 transitions. [2018-12-09 13:21:51,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1242 transitions. [2018-12-09 13:21:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 13:21:51,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:52,792 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:21:59,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:21:59,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1074 states and 1330 transitions. [2018-12-09 13:21:59,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1330 transitions. [2018-12-09 13:21:59,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 13:21:59,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:21:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:21:59,994 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:22:01,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:01,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1091 states and 1350 transitions. [2018-12-09 13:22:01,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1350 transitions. [2018-12-09 13:22:01,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 13:22:01,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:01,469 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:22:01,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:01,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1093 states and 1352 transitions. [2018-12-09 13:22:01,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1352 transitions. [2018-12-09 13:22:01,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 13:22:01,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:01,967 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:22:02,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:02,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1095 states and 1354 transitions. [2018-12-09 13:22:02,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1354 transitions. [2018-12-09 13:22:02,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-09 13:22:02,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:02,754 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 13:22:04,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:04,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1134 states and 1396 transitions. [2018-12-09 13:22:04,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1396 transitions. [2018-12-09 13:22:04,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-09 13:22:04,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:04,724 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 13:22:05,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:05,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1150 states and 1413 transitions. [2018-12-09 13:22:05,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1413 transitions. [2018-12-09 13:22:05,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-09 13:22:05,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:06,409 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 13:22:08,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:08,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1154 states and 1420 transitions. [2018-12-09 13:22:08,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1420 transitions. [2018-12-09 13:22:08,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-09 13:22:08,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:08,703 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 13:22:09,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:09,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1157 states and 1424 transitions. [2018-12-09 13:22:09,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1424 transitions. [2018-12-09 13:22:09,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-09 13:22:09,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:10,193 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-09 13:22:10,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:10,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1227 states and 1497 transitions. [2018-12-09 13:22:10,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1497 transitions. [2018-12-09 13:22:10,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-09 13:22:10,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:10,910 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-09 13:22:11,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:11,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1252 states and 1522 transitions. [2018-12-09 13:22:11,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1522 transitions. [2018-12-09 13:22:11,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-12-09 13:22:11,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:13,174 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-09 13:22:16,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:16,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1286 states and 1563 transitions. [2018-12-09 13:22:16,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1563 transitions. [2018-12-09 13:22:16,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-12-09 13:22:16,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:16,651 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-09 13:22:18,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:18,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1302 states and 1578 transitions. [2018-12-09 13:22:18,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1578 transitions. [2018-12-09 13:22:18,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 13:22:18,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:18,392 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-09 13:22:18,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:18,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1307 states and 1585 transitions. [2018-12-09 13:22:18,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1585 transitions. [2018-12-09 13:22:18,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-09 13:22:18,746 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:18,841 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 164 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-09 13:22:20,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:20,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1325 states and 1607 transitions. [2018-12-09 13:22:20,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1607 transitions. [2018-12-09 13:22:20,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-09 13:22:20,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:20,992 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 164 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-09 13:22:22,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:22,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1341 states and 1626 transitions. [2018-12-09 13:22:22,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1626 transitions. [2018-12-09 13:22:22,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-09 13:22:22,735 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:22,845 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 164 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-09 13:22:23,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:23,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1343 states and 1627 transitions. [2018-12-09 13:22:23,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1627 transitions. [2018-12-09 13:22:23,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-12-09 13:22:23,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:23,309 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-09 13:22:23,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:23,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1413 states and 1700 transitions. [2018-12-09 13:22:23,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1700 transitions. [2018-12-09 13:22:23,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-09 13:22:23,883 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:23,926 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-09 13:22:25,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:25,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1421 states and 1709 transitions. [2018-12-09 13:22:25,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 1709 transitions. [2018-12-09 13:22:25,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-09 13:22:25,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:26,506 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 13:22:32,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:32,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 1451 states and 1752 transitions. [2018-12-09 13:22:32,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1752 transitions. [2018-12-09 13:22:32,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-09 13:22:32,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:32,837 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 13:22:33,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:33,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1456 states and 1758 transitions. [2018-12-09 13:22:33,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1758 transitions. [2018-12-09 13:22:33,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-09 13:22:33,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:34,260 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 13:22:39,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:39,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1489 states and 1795 transitions. [2018-12-09 13:22:39,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1795 transitions. [2018-12-09 13:22:39,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-09 13:22:39,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:39,652 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 13:22:43,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:43,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1498 states and 1802 transitions. [2018-12-09 13:22:43,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 1802 transitions. [2018-12-09 13:22:43,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-12-09 13:22:43,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:43,141 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-09 13:22:44,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:22:44,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1513 states and 1816 transitions. [2018-12-09 13:22:44,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 1816 transitions. [2018-12-09 13:22:44,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 13:22:44,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:22:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:22:45,501 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 13:23:03,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:23:03,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 1602 states and 1937 transitions. [2018-12-09 13:23:03,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 1937 transitions. [2018-12-09 13:23:03,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 13:23:03,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:23:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:23:03,749 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 13:23:09,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:23:09,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1638 states and 1974 transitions. [2018-12-09 13:23:09,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 1974 transitions. [2018-12-09 13:23:09,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 13:23:09,024 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:23:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:23:10,136 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 13:23:14,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:23:14,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1652 states and 1990 transitions. [2018-12-09 13:23:14,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1990 transitions. [2018-12-09 13:23:14,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 13:23:14,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:23:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:23:15,015 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 13:23:15,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:23:15,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1655 states and 1994 transitions. [2018-12-09 13:23:15,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 1994 transitions. [2018-12-09 13:23:15,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 13:23:15,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:23:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:23:15,674 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 13:23:16,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:23:16,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 1658 states and 1998 transitions. [2018-12-09 13:23:16,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 1998 transitions. [2018-12-09 13:23:16,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 13:23:16,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:23:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:23:16,331 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 13:23:16,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:23:16,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 1659 states and 2001 transitions. [2018-12-09 13:23:16,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2001 transitions. [2018-12-09 13:23:16,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-09 13:23:16,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:23:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:23:17,064 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-09 13:23:24,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:23:24,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 1726 states and 2079 transitions. [2018-12-09 13:23:24,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1726 states and 2079 transitions. [2018-12-09 13:23:24,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-09 13:23:24,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:23:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:23:24,403 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-09 13:23:25,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:23:25,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 1755 states and 2107 transitions. [2018-12-09 13:23:25,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2107 transitions. [2018-12-09 13:23:25,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-09 13:23:25,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:23:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:23:28,063 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 13:23:35,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:23:35,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 1785 states and 2140 transitions. [2018-12-09 13:23:35,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 2140 transitions. [2018-12-09 13:23:35,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-09 13:23:35,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:23:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:23:36,126 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 13:23:37,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:23:37,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 1787 states and 2140 transitions. [2018-12-09 13:23:37,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2140 transitions. [2018-12-09 13:23:37,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 13:23:37,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:23:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:23:39,989 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 13:23:49,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:23:49,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 1822 states and 2180 transitions. [2018-12-09 13:23:49,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2180 transitions. [2018-12-09 13:23:49,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 13:23:49,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:23:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:23:49,620 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 13:23:55,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:23:55,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 1839 states and 2198 transitions. [2018-12-09 13:23:55,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2198 transitions. [2018-12-09 13:23:55,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 13:23:55,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:23:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:23:55,298 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 13:23:56,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:23:56,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 1842 states and 2202 transitions. [2018-12-09 13:23:56,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2202 transitions. [2018-12-09 13:23:56,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 13:23:56,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:23:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:23:57,830 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 13:24:03,937 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2018-12-09 13:24:08,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:24:08,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2250 states to 1890 states and 2250 transitions. [2018-12-09 13:24:08,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 2250 transitions. [2018-12-09 13:24:08,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-09 13:24:08,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:24:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:24:08,770 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 13:24:10,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:24:10,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 1959 states and 2321 transitions. [2018-12-09 13:24:10,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 2321 transitions. [2018-12-09 13:24:10,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-09 13:24:10,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:24:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:24:10,581 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-09 13:24:11,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:24:11,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 1961 states and 2323 transitions. [2018-12-09 13:24:11,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2323 transitions. [2018-12-09 13:24:11,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-09 13:24:11,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:24:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:24:11,686 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2018-12-09 13:24:13,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:24:13,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 1964 states and 2327 transitions. [2018-12-09 13:24:13,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 2327 transitions. [2018-12-09 13:24:13,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-09 13:24:13,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:24:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:24:16,427 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-09 13:24:25,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:24:25,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 2025 states and 2400 transitions. [2018-12-09 13:24:25,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 2400 transitions. [2018-12-09 13:24:25,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-09 13:24:25,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:24:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:24:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-09 13:24:27,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:24:27,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2408 states to 2033 states and 2408 transitions. [2018-12-09 13:24:27,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2033 states and 2408 transitions. [2018-12-09 13:24:27,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 13:24:27,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:24:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:24:28,180 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 13:24:32,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:24:32,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2422 states to 2045 states and 2422 transitions. [2018-12-09 13:24:32,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2045 states and 2422 transitions. [2018-12-09 13:24:32,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 13:24:32,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:24:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:24:33,005 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 13:24:35,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:24:35,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2426 states to 2050 states and 2426 transitions. [2018-12-09 13:24:35,228 INFO L276 IsEmpty]: Start isEmpty. Operand 2050 states and 2426 transitions. [2018-12-09 13:24:35,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 13:24:35,229 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:24:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:24:35,548 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 13:24:36,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:24:36,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2429 states to 2053 states and 2429 transitions. [2018-12-09 13:24:36,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 2429 transitions. [2018-12-09 13:24:36,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-09 13:24:36,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:24:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:24:36,860 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-09 13:24:44,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:24:44,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2080 states and 2458 transitions. [2018-12-09 13:24:44,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2458 transitions. [2018-12-09 13:24:44,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-09 13:24:44,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:24:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:24:48,738 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 13:24:55,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:24:55,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 2128 states and 2508 transitions. [2018-12-09 13:24:55,706 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 2508 transitions. [2018-12-09 13:24:55,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-09 13:24:55,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:24:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:24:56,425 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 13:24:59,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:24:59,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 2197 states and 2579 transitions. [2018-12-09 13:24:59,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 2579 transitions. [2018-12-09 13:24:59,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-09 13:24:59,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:24:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:24:59,623 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-09 13:25:08,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:25:08,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2325 states and 2718 transitions. [2018-12-09 13:25:08,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 2718 transitions. [2018-12-09 13:25:08,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 13:25:08,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:25:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:25:13,138 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 13:25:18,062 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-09 13:25:20,744 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-09 13:25:21,816 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-09 13:25:25,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:25:25,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2365 states and 2761 transitions. [2018-12-09 13:25:25,463 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 2761 transitions. [2018-12-09 13:25:25,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 13:25:25,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:25:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:25:25,686 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 13:25:28,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:25:28,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2783 states to 2388 states and 2783 transitions. [2018-12-09 13:25:28,951 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 2783 transitions. [2018-12-09 13:25:28,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 13:25:28,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:25:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:25:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 13:25:29,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:25:29,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2394 states and 2788 transitions. [2018-12-09 13:25:29,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2394 states and 2788 transitions. [2018-12-09 13:25:29,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 13:25:29,995 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:25:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:25:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 13:25:36,680 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-09 13:25:38,544 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-09 13:25:40,145 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-09 13:25:41,127 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-09 13:25:42,680 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-09 13:25:44,499 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-09 13:25:46,710 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-09 13:25:47,861 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-09 13:25:48,766 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-09 13:25:50,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:25:50,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 2435 states and 2833 transitions. [2018-12-09 13:25:50,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2435 states and 2833 transitions. [2018-12-09 13:25:50,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 13:25:50,263 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:25:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:25:50,444 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 13:25:51,628 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-09 13:25:51,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:25:51,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2838 states to 2442 states and 2838 transitions. [2018-12-09 13:25:51,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2442 states and 2838 transitions. [2018-12-09 13:25:51,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-09 13:25:51,996 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:25:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:25:53,642 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 291 proven. 319 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-12-09 13:26:02,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:26:02,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 2583 states and 2994 transitions. [2018-12-09 13:26:02,688 INFO L276 IsEmpty]: Start isEmpty. Operand 2583 states and 2994 transitions. [2018-12-09 13:26:02,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-09 13:26:02,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:26:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:26:02,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-09 13:26:10,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:26:10,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 2650 states and 3067 transitions. [2018-12-09 13:26:10,788 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 3067 transitions. [2018-12-09 13:26:10,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-09 13:26:10,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:26:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:26:11,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-09 13:26:15,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:26:15,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 2716 states and 3133 transitions. [2018-12-09 13:26:15,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3133 transitions. [2018-12-09 13:26:15,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-09 13:26:15,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:26:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:26:15,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-09 13:26:16,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:26:16,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 2719 states and 3135 transitions. [2018-12-09 13:26:16,049 INFO L276 IsEmpty]: Start isEmpty. Operand 2719 states and 3135 transitions. [2018-12-09 13:26:16,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-09 13:26:16,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:26:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:26:16,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-09 13:26:22,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:26:22,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 2789 states and 3205 transitions. [2018-12-09 13:26:22,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2789 states and 3205 transitions. [2018-12-09 13:26:22,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-09 13:26:22,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:26:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:26:23,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-09 13:26:24,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:26:24,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 2793 states and 3209 transitions. [2018-12-09 13:26:24,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2793 states and 3209 transitions. [2018-12-09 13:26:24,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-09 13:26:24,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:26:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:26:24,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-09 13:26:26,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:26:26,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 2798 states and 3214 transitions. [2018-12-09 13:26:26,093 INFO L276 IsEmpty]: Start isEmpty. Operand 2798 states and 3214 transitions. [2018-12-09 13:26:26,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-09 13:26:26,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:26:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:26:26,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-09 13:26:29,742 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2018-12-09 13:26:31,797 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2018-12-09 13:26:32,923 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-12-09 13:26:35,589 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-12-09 13:26:37,424 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2018-12-09 13:26:41,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:26:41,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3259 states to 2838 states and 3259 transitions. [2018-12-09 13:26:41,209 INFO L276 IsEmpty]: Start isEmpty. Operand 2838 states and 3259 transitions. [2018-12-09 13:26:41,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-09 13:26:41,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:26:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:26:41,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-09 13:26:42,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:26:42,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 2437 states and 2821 transitions. [2018-12-09 13:26:42,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 2821 transitions. [2018-12-09 13:26:42,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 13:26:42,918 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 119 iterations. [2018-12-09 13:26:42,924 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 13:26:43,059 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 39 [2018-12-09 13:26:43,161 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 39 [2018-12-09 13:26:43,321 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 43 [2018-12-09 13:26:43,428 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 39 [2018-12-09 13:26:43,649 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 44 [2018-12-09 13:26:43,898 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 41 [2018-12-09 13:26:44,193 WARN L180 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 33 [2018-12-09 13:26:44,436 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 43 [2018-12-09 13:26:44,666 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 43 [2018-12-09 13:26:44,800 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 35 [2018-12-09 13:26:44,928 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 35 [2018-12-09 13:26:45,083 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 33 [2018-12-09 13:26:45,255 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 39 [2018-12-09 13:26:45,495 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 43 [2018-12-09 13:26:45,628 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 35 [2018-12-09 13:26:45,797 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 43 [2018-12-09 13:26:45,954 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 43 [2018-12-09 13:26:46,057 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 35 [2018-12-09 13:26:46,277 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 39 [2018-12-09 13:26:46,613 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 43 [2018-12-09 13:26:46,869 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 41 [2018-12-09 13:26:47,014 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 41 [2018-12-09 13:26:47,120 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 35 [2018-12-09 13:26:47,221 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 39 [2018-12-09 13:26:47,338 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 36 [2018-12-09 13:26:47,448 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 36 [2018-12-09 13:26:47,553 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 35 [2018-12-09 13:26:47,863 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 37 [2018-12-09 13:26:47,972 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 36 [2018-12-09 13:26:48,167 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 36 [2018-12-09 13:26:48,309 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 41 [2018-12-09 13:26:48,585 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 43 [2018-12-09 13:26:48,766 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 35 [2018-12-09 13:26:48,901 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 41 [2018-12-09 13:26:49,116 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 41 [2018-12-09 13:26:49,252 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 41 [2018-12-09 13:26:49,375 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 35 [2018-12-09 13:26:49,601 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 39 [2018-12-09 13:26:49,806 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 33 [2018-12-09 13:26:50,108 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 35 [2018-12-09 13:26:50,238 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 39 [2018-12-09 13:26:50,444 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 39 [2018-12-09 13:26:50,613 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 43 [2018-12-09 13:26:51,189 WARN L180 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 74 [2018-12-09 13:26:51,436 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 39 [2018-12-09 13:26:51,543 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 39 [2018-12-09 13:26:51,757 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 43 [2018-12-09 13:26:51,869 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 35 [2018-12-09 13:26:52,052 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 41 [2018-12-09 13:26:52,213 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 41 [2018-12-09 13:26:52,346 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 39 [2018-12-09 13:26:52,490 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 43 [2018-12-09 13:26:52,501 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 13:26:52,503 INFO L583 CodeCheckObserver]: Invariant with dag size 33 [2018-12-09 13:26:52,509 INFO L583 CodeCheckObserver]: Invariant with dag size 33 [2018-12-09 13:26:52,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 01:26:52 ImpRootNode [2018-12-09 13:26:52,510 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 13:26:52,510 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 13:26:52,510 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 13:26:52,510 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 13:26:52,511 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:21:13" (3/4) ... [2018-12-09 13:26:52,514 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 13:26:52,527 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-09 13:26:52,528 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-09 13:26:52,528 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-09 13:26:52,529 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 13:26:52,601 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_657d8761-0598-48d2-a24d-6c2fded48cee/bin-2019/ukojak/witness.graphml [2018-12-09 13:26:52,601 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 13:26:52,601 INFO L168 Benchmark]: Toolchain (without parser) took 340524.34 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 820.5 MB). Free memory was 951.7 MB in the beginning and 705.3 MB in the end (delta: 246.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-09 13:26:52,602 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:26:52,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -130.9 MB). Peak memory consumption was 60.7 MB. Max. memory is 11.5 GB. [2018-12-09 13:26:52,602 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-12-09 13:26:52,602 INFO L168 Benchmark]: Boogie Preprocessor took 29.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-12-09 13:26:52,602 INFO L168 Benchmark]: RCFGBuilder took 951.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 854.4 MB in the end (delta: 213.5 MB). Peak memory consumption was 213.5 MB. Max. memory is 11.5 GB. [2018-12-09 13:26:52,602 INFO L168 Benchmark]: CodeCheck took 339099.61 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 731.9 MB). Free memory was 854.4 MB in the beginning and 725.4 MB in the end (delta: 129.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-09 13:26:52,602 INFO L168 Benchmark]: Witness Printer took 90.67 ms. Allocated memory is still 1.8 GB. Free memory was 725.4 MB in the beginning and 705.3 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-12-09 13:26:52,603 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 329.4s OverallTime, 119 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -902325384 SDtfs, -1662354380 SDslu, -1165458336 SDs, 0 SdLazy, 1616294684 SolverSat, -1676581376 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 454.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 166396 GetRequests, 159119 SyntacticMatches, 5445 SemanticMatches, 1832 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2470644 ImplicationChecksByTransitivity, 302.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 38.7s InterpolantComputationTime, 25068 NumberOfCodeBlocks, 25068 NumberOfCodeBlocksAsserted, 118 NumberOfCheckSat, 24950 ConstructedInterpolants, 0 QuantifiedInterpolants, 44969507 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 118 InterpolantComputations, 84 PerfectInterpolantSequences, 33608/37733 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: 530]: 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: ((((!(a16 == 5) || !(a7 == 1)) || ((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 == 1)) || ((((!(a21 == 1) && a8 == 13) && a17 == 1) && a12 == 8) && a20 == 1)) || ((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0)) || ((((a8 == 15 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((!(a16 == 5) || !(a7 == 1)) || ((((a8 == 15 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0)) || ((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 == 1)) || ((((!(a21 == 1) && a8 == 13) && a17 == 1) && a12 == 8) && a20 == 1)) || ((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -130.9 MB). Peak memory consumption was 60.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 951.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 854.4 MB in the end (delta: 213.5 MB). Peak memory consumption was 213.5 MB. Max. memory is 11.5 GB. * CodeCheck took 339099.61 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 731.9 MB). Free memory was 854.4 MB in the beginning and 725.4 MB in the end (delta: 129.0 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 90.67 ms. Allocated memory is still 1.8 GB. Free memory was 725.4 MB in the beginning and 705.3 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...