./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label40_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_dac400b2-e85b-477f-b855-8f9eec9a58e7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dac400b2-e85b-477f-b855-8f9eec9a58e7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dac400b2-e85b-477f-b855-8f9eec9a58e7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dac400b2-e85b-477f-b855-8f9eec9a58e7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label40_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dac400b2-e85b-477f-b855-8f9eec9a58e7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dac400b2-e85b-477f-b855-8f9eec9a58e7/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 d2268b9dd6959c9e4f82beab56974646f066475d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:54:05,284 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:54:05,285 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:54:05,291 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:54:05,291 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:54:05,292 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:54:05,293 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:54:05,294 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:54:05,295 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:54:05,295 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:54:05,296 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:54:05,296 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:54:05,296 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:54:05,297 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:54:05,297 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:54:05,298 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:54:05,298 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:54:05,299 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:54:05,300 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:54:05,301 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:54:05,302 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:54:05,302 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:54:05,304 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:54:05,304 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:54:05,304 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:54:05,304 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:54:05,305 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:54:05,305 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:54:05,306 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:54:05,307 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:54:05,307 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:54:05,307 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:54:05,307 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:54:05,307 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:54:05,308 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:54:05,308 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:54:05,309 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dac400b2-e85b-477f-b855-8f9eec9a58e7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 15:54:05,316 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:54:05,316 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:54:05,316 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:54:05,316 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 15:54:05,317 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 15:54:05,317 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 15:54:05,317 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:54:05,317 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:54:05,317 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 15:54:05,318 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:54:05,318 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:54:05,318 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:54:05,318 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:54:05,318 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:54:05,318 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:54:05,318 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:54:05,318 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 15:54:05,319 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:54:05,319 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 15:54:05,319 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 15:54:05,319 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:54:05,319 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:54:05,319 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 15:54:05,319 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:54:05,320 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:54:05,320 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:54:05,320 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 15:54:05,320 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:54:05,320 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 15:54:05,320 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_dac400b2-e85b-477f-b855-8f9eec9a58e7/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 -> d2268b9dd6959c9e4f82beab56974646f066475d [2018-12-09 15:54:05,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:54:05,346 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:54:05,348 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:54:05,349 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:54:05,349 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:54:05,349 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dac400b2-e85b-477f-b855-8f9eec9a58e7/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label40_true-unreach-call_false-termination.c [2018-12-09 15:54:05,383 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dac400b2-e85b-477f-b855-8f9eec9a58e7/bin-2019/ukojak/data/a1b2c1fd4/7cbcb2cfaf9f469b9c8a5bb60a52456d/FLAG381f05962 [2018-12-09 15:54:05,880 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:54:05,880 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dac400b2-e85b-477f-b855-8f9eec9a58e7/sv-benchmarks/c/eca-rers2012/Problem01_label40_true-unreach-call_false-termination.c [2018-12-09 15:54:05,886 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dac400b2-e85b-477f-b855-8f9eec9a58e7/bin-2019/ukojak/data/a1b2c1fd4/7cbcb2cfaf9f469b9c8a5bb60a52456d/FLAG381f05962 [2018-12-09 15:54:06,367 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dac400b2-e85b-477f-b855-8f9eec9a58e7/bin-2019/ukojak/data/a1b2c1fd4/7cbcb2cfaf9f469b9c8a5bb60a52456d [2018-12-09 15:54:06,369 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:54:06,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:54:06,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:54:06,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:54:06,372 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:54:06,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:54:06" (1/1) ... [2018-12-09 15:54:06,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2817da2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:54:06, skipping insertion in model container [2018-12-09 15:54:06,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:54:06" (1/1) ... [2018-12-09 15:54:06,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:54:06,403 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:54:06,580 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:54:06,583 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:54:06,672 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:54:06,681 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:54:06,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:54:06 WrapperNode [2018-12-09 15:54:06,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:54:06,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:54:06,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:54:06,682 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:54:06,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:54:06" (1/1) ... [2018-12-09 15:54:06,697 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:54:06" (1/1) ... [2018-12-09 15:54:06,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:54:06,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:54:06,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:54:06,729 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:54:06,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:54:06" (1/1) ... [2018-12-09 15:54:06,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:54:06" (1/1) ... [2018-12-09 15:54:06,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:54:06" (1/1) ... [2018-12-09 15:54:06,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:54:06" (1/1) ... [2018-12-09 15:54:06,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:54:06" (1/1) ... [2018-12-09 15:54:06,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:54:06" (1/1) ... [2018-12-09 15:54:06,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:54:06" (1/1) ... [2018-12-09 15:54:06,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:54:06,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:54:06,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:54:06,769 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:54:06,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:54:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dac400b2-e85b-477f-b855-8f9eec9a58e7/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 15:54:06,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:54:06,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:54:07,744 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:54:07,745 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 15:54:07,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:54:07 BoogieIcfgContainer [2018-12-09 15:54:07,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:54:07,745 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 15:54:07,745 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 15:54:07,752 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 15:54:07,752 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:54:07" (1/1) ... [2018-12-09 15:54:07,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:54:07,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:07,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-09 15:54:07,784 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-09 15:54:07,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 15:54:07,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:08,004 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 15:54:08,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:08,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2018-12-09 15:54:08,274 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2018-12-09 15:54:08,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 15:54:08,275 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:08,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 15:54:08,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:08,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2018-12-09 15:54:08,437 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2018-12-09 15:54:08,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 15:54:08,438 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:08,493 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 15:54:08,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:08,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 151 states and 230 transitions. [2018-12-09 15:54:08,582 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 230 transitions. [2018-12-09 15:54:08,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 15:54:08,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:08,642 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:54:08,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:08,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 221 states and 303 transitions. [2018-12-09 15:54:08,965 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 303 transitions. [2018-12-09 15:54:08,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-09 15:54:08,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:09,000 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:54:09,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:09,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 228 states and 314 transitions. [2018-12-09 15:54:09,145 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 314 transitions. [2018-12-09 15:54:09,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 15:54:09,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:09,215 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:54:09,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:09,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 236 states and 330 transitions. [2018-12-09 15:54:09,587 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 330 transitions. [2018-12-09 15:54:09,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 15:54:09,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:09,606 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:54:09,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:09,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 241 states and 335 transitions. [2018-12-09 15:54:09,799 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 335 transitions. [2018-12-09 15:54:09,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 15:54:09,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:09,812 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:54:09,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:09,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 246 states and 340 transitions. [2018-12-09 15:54:09,838 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 340 transitions. [2018-12-09 15:54:09,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-09 15:54:09,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:09,853 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 15:54:09,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:09,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 254 states and 350 transitions. [2018-12-09 15:54:09,969 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 350 transitions. [2018-12-09 15:54:09,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 15:54:09,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:09,991 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 15:54:10,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:10,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 260 states and 357 transitions. [2018-12-09 15:54:10,205 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 357 transitions. [2018-12-09 15:54:10,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 15:54:10,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:10,218 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:54:10,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:10,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 263 states and 361 transitions. [2018-12-09 15:54:10,261 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 361 transitions. [2018-12-09 15:54:10,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-09 15:54:10,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:10,275 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 15:54:10,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:10,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 268 states and 366 transitions. [2018-12-09 15:54:10,302 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 366 transitions. [2018-12-09 15:54:10,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-09 15:54:10,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:10,337 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:54:10,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:10,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 269 states and 367 transitions. [2018-12-09 15:54:10,405 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 367 transitions. [2018-12-09 15:54:10,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 15:54:10,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:10,483 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:54:10,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:10,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 283 states and 389 transitions. [2018-12-09 15:54:10,896 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 389 transitions. [2018-12-09 15:54:10,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 15:54:10,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:10,948 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:54:11,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:11,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 305 states and 420 transitions. [2018-12-09 15:54:11,780 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 420 transitions. [2018-12-09 15:54:11,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 15:54:11,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:11,801 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:54:12,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:12,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 310 states and 425 transitions. [2018-12-09 15:54:12,022 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 425 transitions. [2018-12-09 15:54:12,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-09 15:54:12,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:12,075 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 15:54:12,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:12,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 311 states and 427 transitions. [2018-12-09 15:54:12,177 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 427 transitions. [2018-12-09 15:54:12,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 15:54:12,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:12,192 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 15:54:12,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:12,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 313 states and 429 transitions. [2018-12-09 15:54:12,204 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 429 transitions. [2018-12-09 15:54:12,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 15:54:12,205 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:12,271 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 15:54:12,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:12,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 324 states and 441 transitions. [2018-12-09 15:54:12,633 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 441 transitions. [2018-12-09 15:54:12,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-09 15:54:12,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:12,651 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 15:54:12,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:12,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 327 states and 444 transitions. [2018-12-09 15:54:12,677 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 444 transitions. [2018-12-09 15:54:12,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 15:54:12,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:12,691 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 15:54:12,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:12,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 329 states and 446 transitions. [2018-12-09 15:54:12,704 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 446 transitions. [2018-12-09 15:54:12,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 15:54:12,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 15:54:12,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 340 states and 459 transitions. [2018-12-09 15:54:12,898 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 459 transitions. [2018-12-09 15:54:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 15:54:12,898 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:12,974 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:54:13,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:13,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 365 states and 490 transitions. [2018-12-09 15:54:13,455 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 490 transitions. [2018-12-09 15:54:13,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 15:54:13,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:13,538 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:54:13,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:13,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 380 states and 509 transitions. [2018-12-09 15:54:13,873 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 509 transitions. [2018-12-09 15:54:13,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 15:54:13,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:14,155 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:54:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:14,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 405 states and 539 transitions. [2018-12-09 15:54:14,971 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 539 transitions. [2018-12-09 15:54:14,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-09 15:54:14,972 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:15,204 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:54:15,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:15,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 419 states and 558 transitions. [2018-12-09 15:54:15,701 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 558 transitions. [2018-12-09 15:54:15,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-09 15:54:15,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:15,796 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:54:16,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:16,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 430 states and 571 transitions. [2018-12-09 15:54:16,147 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 571 transitions. [2018-12-09 15:54:16,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 15:54:16,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:16,167 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:54:16,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:16,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 433 states and 576 transitions. [2018-12-09 15:54:16,362 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 576 transitions. [2018-12-09 15:54:16,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 15:54:16,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:16,390 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:54:16,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:16,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 447 states and 591 transitions. [2018-12-09 15:54:16,784 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 591 transitions. [2018-12-09 15:54:16,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 15:54:16,784 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:16,809 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 15:54:17,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:17,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 453 states and 599 transitions. [2018-12-09 15:54:17,016 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 599 transitions. [2018-12-09 15:54:17,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-09 15:54:17,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:17,041 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 15:54:17,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:17,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 454 states and 600 transitions. [2018-12-09 15:54:17,056 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 600 transitions. [2018-12-09 15:54:17,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 15:54:17,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:17,187 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:54:17,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:17,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 460 states and 609 transitions. [2018-12-09 15:54:17,743 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 609 transitions. [2018-12-09 15:54:17,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 15:54:17,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:17,761 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 15:54:17,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:17,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 463 states and 613 transitions. [2018-12-09 15:54:17,865 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 613 transitions. [2018-12-09 15:54:17,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 15:54:17,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:17,881 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 15:54:17,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:17,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 472 states and 622 transitions. [2018-12-09 15:54:17,913 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 622 transitions. [2018-12-09 15:54:17,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 15:54:17,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:17,939 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 15:54:17,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:17,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 473 states and 623 transitions. [2018-12-09 15:54:17,955 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 623 transitions. [2018-12-09 15:54:17,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-09 15:54:17,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:18,088 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 15:54:18,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:18,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 482 states and 640 transitions. [2018-12-09 15:54:18,615 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 640 transitions. [2018-12-09 15:54:18,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-09 15:54:18,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:18,901 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:54:20,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:20,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 530 states and 696 transitions. [2018-12-09 15:54:20,508 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 696 transitions. [2018-12-09 15:54:20,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-09 15:54:20,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:20,530 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:54:21,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:21,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 575 states and 747 transitions. [2018-12-09 15:54:21,809 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 747 transitions. [2018-12-09 15:54:21,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-09 15:54:21,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:21,840 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:54:22,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:22,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 606 states and 779 transitions. [2018-12-09 15:54:22,983 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 779 transitions. [2018-12-09 15:54:22,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-09 15:54:22,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:23,010 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:54:23,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:23,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 611 states and 787 transitions. [2018-12-09 15:54:23,040 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 787 transitions. [2018-12-09 15:54:23,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 15:54:23,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:23,193 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 15:54:24,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:24,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 620 states and 805 transitions. [2018-12-09 15:54:24,928 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 805 transitions. [2018-12-09 15:54:24,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 15:54:24,929 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:24,958 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 15:54:24,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:24,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 621 states and 806 transitions. [2018-12-09 15:54:24,972 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 806 transitions. [2018-12-09 15:54:24,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 15:54:24,972 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:24,992 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 15:54:26,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:26,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 670 states and 862 transitions. [2018-12-09 15:54:26,485 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 862 transitions. [2018-12-09 15:54:26,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 15:54:26,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:26,685 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 15:54:29,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:29,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 720 states and 917 transitions. [2018-12-09 15:54:29,544 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 917 transitions. [2018-12-09 15:54:29,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 15:54:29,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:29,865 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 15:54:33,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:33,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 750 states and 956 transitions. [2018-12-09 15:54:33,303 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 956 transitions. [2018-12-09 15:54:33,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 15:54:33,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:33,889 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:54:37,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:37,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 817 states and 1028 transitions. [2018-12-09 15:54:37,632 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1028 transitions. [2018-12-09 15:54:37,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 15:54:37,632 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:37,654 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 15:54:37,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:37,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 834 states and 1046 transitions. [2018-12-09 15:54:37,705 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1046 transitions. [2018-12-09 15:54:37,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 15:54:37,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:38,087 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:54:40,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:40,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 857 states and 1083 transitions. [2018-12-09 15:54:40,128 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1083 transitions. [2018-12-09 15:54:40,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 15:54:40,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:40,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:54:40,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:40,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 869 states and 1095 transitions. [2018-12-09 15:54:40,785 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1095 transitions. [2018-12-09 15:54:40,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 15:54:40,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:40,826 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 15:54:41,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:41,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 873 states and 1098 transitions. [2018-12-09 15:54:41,062 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1098 transitions. [2018-12-09 15:54:41,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 15:54:41,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:41,086 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 15:54:41,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:41,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 875 states and 1100 transitions. [2018-12-09 15:54:41,103 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1100 transitions. [2018-12-09 15:54:41,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 15:54:41,104 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:41,507 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:54:44,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:44,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 905 states and 1136 transitions. [2018-12-09 15:54:44,591 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1136 transitions. [2018-12-09 15:54:44,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 15:54:44,592 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:44,643 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:54:45,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:45,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 907 states and 1138 transitions. [2018-12-09 15:54:45,217 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1138 transitions. [2018-12-09 15:54:45,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 15:54:45,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:45,269 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:54:45,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:45,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 912 states and 1143 transitions. [2018-12-09 15:54:45,600 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1143 transitions. [2018-12-09 15:54:45,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 15:54:45,601 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:45,814 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:54:47,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:47,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 983 states and 1214 transitions. [2018-12-09 15:54:47,475 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1214 transitions. [2018-12-09 15:54:47,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-09 15:54:47,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:47,672 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 15:54:49,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 995 states and 1232 transitions. [2018-12-09 15:54:49,567 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1232 transitions. [2018-12-09 15:54:49,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 15:54:49,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:49,982 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:54:51,514 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-09 15:54:54,296 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-09 15:54:55,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:55,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1053 states and 1302 transitions. [2018-12-09 15:54:55,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1302 transitions. [2018-12-09 15:54:55,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 15:54:55,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:55,636 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:54:56,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:56,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1064 states and 1312 transitions. [2018-12-09 15:54:56,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1312 transitions. [2018-12-09 15:54:56,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 15:54:56,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:57,018 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 15:54:57,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:54:57,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1066 states and 1314 transitions. [2018-12-09 15:54:57,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1314 transitions. [2018-12-09 15:54:57,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 15:54:57,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:54:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:54:57,761 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 91 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:55:00,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:00,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1086 states and 1339 transitions. [2018-12-09 15:55:00,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1339 transitions. [2018-12-09 15:55:00,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 15:55:00,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:01,109 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 98 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:55:06,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:06,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1103 states and 1367 transitions. [2018-12-09 15:55:06,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1367 transitions. [2018-12-09 15:55:06,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 15:55:06,803 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:06,836 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 15:55:06,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:06,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1105 states and 1369 transitions. [2018-12-09 15:55:06,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1369 transitions. [2018-12-09 15:55:06,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 15:55:06,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:07,015 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 15:55:07,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:07,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1129 states and 1394 transitions. [2018-12-09 15:55:07,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1394 transitions. [2018-12-09 15:55:07,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-09 15:55:07,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:07,741 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 15:55:07,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:07,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1132 states and 1397 transitions. [2018-12-09 15:55:07,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1397 transitions. [2018-12-09 15:55:07,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 15:55:07,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:08,026 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 15:55:08,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:08,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1137 states and 1404 transitions. [2018-12-09 15:55:08,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1404 transitions. [2018-12-09 15:55:08,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 15:55:08,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:08,508 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 107 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:55:08,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:08,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1142 states and 1411 transitions. [2018-12-09 15:55:08,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1411 transitions. [2018-12-09 15:55:08,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 15:55:08,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:08,953 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:55:10,728 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2018-12-09 15:55:11,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:11,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1153 states and 1423 transitions. [2018-12-09 15:55:11,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1423 transitions. [2018-12-09 15:55:11,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 15:55:11,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:12,278 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:55:13,598 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 26 [2018-12-09 15:55:14,063 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2018-12-09 15:55:15,524 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-12-09 15:55:15,956 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2018-12-09 15:55:16,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:16,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1170 states and 1442 transitions. [2018-12-09 15:55:16,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1442 transitions. [2018-12-09 15:55:16,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 15:55:16,730 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:17,000 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:55:19,122 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2018-12-09 15:55:19,576 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2018-12-09 15:55:20,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:20,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1173 states and 1445 transitions. [2018-12-09 15:55:20,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1445 transitions. [2018-12-09 15:55:20,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 15:55:20,162 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:20,430 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:55:20,658 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2018-12-09 15:55:22,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:22,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1178 states and 1449 transitions. [2018-12-09 15:55:22,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1449 transitions. [2018-12-09 15:55:22,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-09 15:55:22,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:22,655 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 15:55:24,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:24,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1196 states and 1467 transitions. [2018-12-09 15:55:24,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1467 transitions. [2018-12-09 15:55:24,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 15:55:24,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:24,512 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-09 15:55:25,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:25,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1266 states and 1540 transitions. [2018-12-09 15:55:25,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1540 transitions. [2018-12-09 15:55:25,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 15:55:25,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:25,508 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:55:26,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:26,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1288 states and 1563 transitions. [2018-12-09 15:55:26,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1563 transitions. [2018-12-09 15:55:26,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 15:55:26,582 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:26,615 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:55:27,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:27,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1293 states and 1569 transitions. [2018-12-09 15:55:27,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1569 transitions. [2018-12-09 15:55:27,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 15:55:27,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:27,582 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:55:28,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:28,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1310 states and 1591 transitions. [2018-12-09 15:55:28,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1591 transitions. [2018-12-09 15:55:28,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 15:55:28,644 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:28,678 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:55:29,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:29,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1324 states and 1606 transitions. [2018-12-09 15:55:29,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1606 transitions. [2018-12-09 15:55:29,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 15:55:29,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:29,555 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:55:29,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:29,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1329 states and 1610 transitions. [2018-12-09 15:55:29,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1610 transitions. [2018-12-09 15:55:29,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-09 15:55:29,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:30,709 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:55:33,483 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 31 [2018-12-09 15:55:35,272 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 26 [2018-12-09 15:55:35,656 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2018-12-09 15:55:37,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:37,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1350 states and 1638 transitions. [2018-12-09 15:55:37,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1638 transitions. [2018-12-09 15:55:37,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-09 15:55:37,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:37,276 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:55:37,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:37,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1352 states and 1642 transitions. [2018-12-09 15:55:37,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1642 transitions. [2018-12-09 15:55:37,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-09 15:55:37,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:37,984 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:55:38,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:38,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1361 states and 1651 transitions. [2018-12-09 15:55:38,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1651 transitions. [2018-12-09 15:55:38,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-09 15:55:38,521 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:38,725 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:55:39,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:39,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1367 states and 1656 transitions. [2018-12-09 15:55:39,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1656 transitions. [2018-12-09 15:55:39,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 15:55:39,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:40,613 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 15:55:44,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:44,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1415 states and 1707 transitions. [2018-12-09 15:55:44,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1707 transitions. [2018-12-09 15:55:44,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 15:55:44,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:44,405 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 15:55:44,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:44,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1428 states and 1723 transitions. [2018-12-09 15:55:44,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1723 transitions. [2018-12-09 15:55:44,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-09 15:55:44,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:45,486 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 165 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:55:50,242 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2018-12-09 15:55:53,398 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2018-12-09 15:55:58,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:55:58,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1474 states and 1787 transitions. [2018-12-09 15:55:58,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1787 transitions. [2018-12-09 15:55:58,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-09 15:55:58,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:55:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:55:58,292 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 165 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:55:59,456 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2018-12-09 15:56:01,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:01,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1486 states and 1800 transitions. [2018-12-09 15:56:01,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 1800 transitions. [2018-12-09 15:56:01,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-09 15:56:01,034 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:56:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:56:01,112 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 165 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:56:02,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:02,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1504 states and 1820 transitions. [2018-12-09 15:56:02,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 1820 transitions. [2018-12-09 15:56:02,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-09 15:56:02,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:56:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:56:02,627 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 165 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:56:03,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:03,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1513 states and 1828 transitions. [2018-12-09 15:56:03,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 1828 transitions. [2018-12-09 15:56:03,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-09 15:56:03,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:56:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:56:03,257 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 165 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:56:03,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:03,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1514 states and 1828 transitions. [2018-12-09 15:56:03,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1828 transitions. [2018-12-09 15:56:03,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 15:56:03,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:56:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:56:03,722 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-09 15:56:04,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:04,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1584 states and 1901 transitions. [2018-12-09 15:56:04,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 1901 transitions. [2018-12-09 15:56:04,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-09 15:56:04,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:56:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:56:04,567 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-12-09 15:56:05,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:05,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1970 states to 1651 states and 1970 transitions. [2018-12-09 15:56:05,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 1970 transitions. [2018-12-09 15:56:05,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-09 15:56:05,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:56:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:56:06,419 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-09 15:56:09,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:09,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1982 states to 1662 states and 1982 transitions. [2018-12-09 15:56:09,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 1982 transitions. [2018-12-09 15:56:09,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-09 15:56:09,407 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:56:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:56:10,765 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 99 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:56:18,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:18,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 1764 states and 2099 transitions. [2018-12-09 15:56:18,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2099 transitions. [2018-12-09 15:56:18,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 15:56:18,882 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:56:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:56:18,954 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-12-09 15:56:20,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:20,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 1768 states and 2110 transitions. [2018-12-09 15:56:20,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 2110 transitions. [2018-12-09 15:56:20,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-09 15:56:20,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:56:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:56:20,683 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 247 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 15:56:27,974 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-09 15:56:29,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:29,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 1807 states and 2157 transitions. [2018-12-09 15:56:29,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2157 transitions. [2018-12-09 15:56:29,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-09 15:56:29,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:56:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:56:29,726 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-09 15:56:31,303 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-09 15:56:43,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:56:43,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 1898 states and 2273 transitions. [2018-12-09 15:56:43,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 2273 transitions. [2018-12-09 15:56:43,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 15:56:43,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:56:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:56:47,257 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-09 15:56:55,945 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-09 15:56:59,509 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2018-12-09 15:56:59,805 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2018-12-09 15:57:03,478 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-09 15:57:05,058 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-09 15:57:11,479 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-09 15:57:12,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:57:12,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 1980 states and 2362 transitions. [2018-12-09 15:57:12,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1980 states and 2362 transitions. [2018-12-09 15:57:12,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 15:57:12,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:57:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:57:12,651 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-09 15:57:17,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:57:17,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2391 states to 2009 states and 2391 transitions. [2018-12-09 15:57:17,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2391 transitions. [2018-12-09 15:57:17,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 15:57:17,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:57:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:57:17,567 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-09 15:57:20,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:57:20,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2031 states and 2411 transitions. [2018-12-09 15:57:20,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 2411 transitions. [2018-12-09 15:57:20,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 15:57:20,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:57:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:57:21,479 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-09 15:57:22,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:57:22,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2032 states and 2412 transitions. [2018-12-09 15:57:22,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2412 transitions. [2018-12-09 15:57:22,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 15:57:22,357 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:57:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:57:23,027 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 15:57:31,645 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-09 15:57:32,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:57:32,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2470 states to 2083 states and 2470 transitions. [2018-12-09 15:57:32,335 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 2470 transitions. [2018-12-09 15:57:32,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 15:57:32,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:57:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:57:32,471 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 15:57:33,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:57:33,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2088 states and 2475 transitions. [2018-12-09 15:57:33,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 2475 transitions. [2018-12-09 15:57:33,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 15:57:33,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:57:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:57:33,483 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 15:57:35,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:57:35,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2113 states and 2498 transitions. [2018-12-09 15:57:35,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 2498 transitions. [2018-12-09 15:57:35,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 15:57:35,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:57:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:57:36,312 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 15:57:37,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:57:37,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2184 states and 2573 transitions. [2018-12-09 15:57:37,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states and 2573 transitions. [2018-12-09 15:57:37,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-09 15:57:37,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:57:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:57:39,201 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2018-12-09 15:57:40,841 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 15:57:41,955 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-12-09 15:57:46,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:57:46,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 2216 states and 2608 transitions. [2018-12-09 15:57:46,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2608 transitions. [2018-12-09 15:57:46,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-09 15:57:46,780 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:57:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:57:46,937 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 15:57:47,834 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2018-12-09 15:57:50,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:57:50,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2218 states and 2609 transitions. [2018-12-09 15:57:50,151 INFO L276 IsEmpty]: Start isEmpty. Operand 2218 states and 2609 transitions. [2018-12-09 15:57:50,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 15:57:50,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:57:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:57:52,963 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2018-12-09 15:57:53,937 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 15:57:55,731 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-09 15:57:57,197 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-09 15:58:01,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:58:01,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2226 states and 2619 transitions. [2018-12-09 15:58:01,388 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 2619 transitions. [2018-12-09 15:58:01,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 15:58:01,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:58:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:58:01,536 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 15:58:03,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:58:03,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2249 states and 2644 transitions. [2018-12-09 15:58:03,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 2644 transitions. [2018-12-09 15:58:03,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 15:58:03,683 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:58:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:58:03,811 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 15:58:08,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:58:08,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2277 states and 2670 transitions. [2018-12-09 15:58:08,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 2670 transitions. [2018-12-09 15:58:08,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 15:58:08,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:58:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:58:08,253 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 15:58:09,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:58:09,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2675 states to 2283 states and 2675 transitions. [2018-12-09 15:58:09,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 2675 transitions. [2018-12-09 15:58:09,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 15:58:09,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:58:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:58:10,774 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 15:58:11,713 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-09 15:58:14,553 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-09 15:58:19,542 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-12-09 15:58:21,363 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-09 15:58:25,336 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-09 15:58:26,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:58:26,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2331 states and 2722 transitions. [2018-12-09 15:58:26,561 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 2722 transitions. [2018-12-09 15:58:26,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 15:58:26,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:58:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:58:26,722 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 15:58:27,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:58:27,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 2339 states and 2729 transitions. [2018-12-09 15:58:27,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2339 states and 2729 transitions. [2018-12-09 15:58:27,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 15:58:27,887 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:58:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:58:28,023 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 15:58:31,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:58:31,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2750 states to 2361 states and 2750 transitions. [2018-12-09 15:58:31,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2361 states and 2750 transitions. [2018-12-09 15:58:31,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-09 15:58:31,870 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:58:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:58:32,667 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-09 15:58:39,169 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-09 15:58:40,952 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2018-12-09 15:58:46,160 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-09 15:58:50,545 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-09 15:58:51,796 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-12-09 15:58:51,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:58:51,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2415 states and 2819 transitions. [2018-12-09 15:58:51,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2415 states and 2819 transitions. [2018-12-09 15:58:51,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-09 15:58:51,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:58:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:58:51,975 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-09 15:58:55,765 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-09 15:58:57,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:58:57,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2877 states to 2474 states and 2877 transitions. [2018-12-09 15:58:57,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 2877 transitions. [2018-12-09 15:58:57,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-09 15:58:57,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:58:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:58:57,974 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 15:58:58,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:58:58,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 2476 states and 2879 transitions. [2018-12-09 15:58:58,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 2879 transitions. [2018-12-09 15:58:58,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-09 15:58:58,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:58:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:59:00,302 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 15:59:06,531 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2018-12-09 15:59:07,106 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2018-12-09 15:59:08,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:59:08,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 2525 states and 2935 transitions. [2018-12-09 15:59:08,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 2935 transitions. [2018-12-09 15:59:08,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-09 15:59:08,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:59:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:59:08,253 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 15:59:09,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:59:09,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2948 states to 2537 states and 2948 transitions. [2018-12-09 15:59:09,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 2948 transitions. [2018-12-09 15:59:09,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-09 15:59:09,062 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:59:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:59:09,662 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 377 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-12-09 15:59:19,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:59:19,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 2643 states and 3069 transitions. [2018-12-09 15:59:19,339 INFO L276 IsEmpty]: Start isEmpty. Operand 2643 states and 3069 transitions. [2018-12-09 15:59:19,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 15:59:19,343 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:59:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:59:20,379 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 15:59:24,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:59:24,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 2646 states and 3074 transitions. [2018-12-09 15:59:24,577 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 3074 transitions. [2018-12-09 15:59:24,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 15:59:24,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:59:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:59:24,811 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 15:59:25,775 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2018-12-09 15:59:30,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:59:30,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 2674 states and 3104 transitions. [2018-12-09 15:59:30,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3104 transitions. [2018-12-09 15:59:30,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-09 15:59:30,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:59:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:59:33,083 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-09 15:59:34,840 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 15:59:37,475 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-09 15:59:40,060 WARN L180 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-09 15:59:41,496 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-12-09 15:59:43,119 WARN L180 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-09 15:59:44,667 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-09 15:59:46,344 WARN L180 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-09 15:59:47,500 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-09 15:59:49,111 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-09 15:59:50,741 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2018-12-09 15:59:51,978 WARN L180 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2018-12-09 15:59:53,517 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-12-09 15:59:54,512 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-09 15:59:58,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:59:58,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 2717 states and 3156 transitions. [2018-12-09 15:59:58,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 3156 transitions. [2018-12-09 15:59:58,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-09 15:59:58,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:59:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:59:58,439 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 15:59:58,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 15:59:58,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3163 states to 2725 states and 3163 transitions. [2018-12-09 15:59:58,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 3163 transitions. [2018-12-09 15:59:58,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 15:59:58,953 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 15:59:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:00:00,304 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 16:00:03,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:00:03,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3239 states to 2799 states and 3239 transitions. [2018-12-09 16:00:03,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3239 transitions. [2018-12-09 16:00:03,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 16:00:03,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:00:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:00:04,068 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 16:00:05,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:00:05,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3245 states to 2805 states and 3245 transitions. [2018-12-09 16:00:05,525 INFO L276 IsEmpty]: Start isEmpty. Operand 2805 states and 3245 transitions. [2018-12-09 16:00:05,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 16:00:05,527 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:00:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:00:05,843 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 16:00:08,824 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-09 16:00:09,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:00:09,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3254 states to 2813 states and 3254 transitions. [2018-12-09 16:00:09,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3254 transitions. [2018-12-09 16:00:09,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 16:00:09,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:00:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:00:10,068 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 16:00:10,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:00:10,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3255 states to 2815 states and 3255 transitions. [2018-12-09 16:00:10,700 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 3255 transitions. [2018-12-09 16:00:10,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 16:00:10,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:00:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:00:11,015 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 16:00:12,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:00:12,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3260 states to 2820 states and 3260 transitions. [2018-12-09 16:00:12,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2820 states and 3260 transitions. [2018-12-09 16:00:12,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 16:00:12,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:00:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:00:12,358 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 16:00:18,155 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-09 16:00:20,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:00:20,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3298 states to 2857 states and 3298 transitions. [2018-12-09 16:00:20,650 INFO L276 IsEmpty]: Start isEmpty. Operand 2857 states and 3298 transitions. [2018-12-09 16:00:20,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 16:00:20,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:00:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:00:21,322 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 16:00:23,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:00:23,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 2859 states and 3299 transitions. [2018-12-09 16:00:23,055 INFO L276 IsEmpty]: Start isEmpty. Operand 2859 states and 3299 transitions. [2018-12-09 16:00:23,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-09 16:00:23,058 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:00:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:00:23,931 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 424 proven. 104 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-09 16:00:32,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:00:32,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 2916 states and 3364 transitions. [2018-12-09 16:00:32,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 3364 transitions. [2018-12-09 16:00:32,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-09 16:00:32,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:00:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:00:33,512 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-09 16:00:42,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:00:42,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3453 states to 2989 states and 3453 transitions. [2018-12-09 16:00:42,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2989 states and 3453 transitions. [2018-12-09 16:00:42,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-09 16:00:42,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:00:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:00:42,712 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-09 16:00:46,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:00:46,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3508 states to 3045 states and 3508 transitions. [2018-12-09 16:00:46,924 INFO L276 IsEmpty]: Start isEmpty. Operand 3045 states and 3508 transitions. [2018-12-09 16:00:46,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-09 16:00:46,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:00:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:00:47,092 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-09 16:00:49,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:00:49,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3527 states to 3065 states and 3527 transitions. [2018-12-09 16:00:49,483 INFO L276 IsEmpty]: Start isEmpty. Operand 3065 states and 3527 transitions. [2018-12-09 16:00:49,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-09 16:00:49,485 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:00:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:00:49,654 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-09 16:00:56,641 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-09 16:00:57,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:00:57,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3551 states to 3084 states and 3551 transitions. [2018-12-09 16:00:57,704 INFO L276 IsEmpty]: Start isEmpty. Operand 3084 states and 3551 transitions. [2018-12-09 16:00:57,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 16:00:57,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:00:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:01:05,194 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 16:01:08,434 WARN L180 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2018-12-09 16:01:10,117 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-12-09 16:01:10,623 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2018-12-09 16:01:15,889 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2018-12-09 16:01:16,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:01:16,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3559 states to 3090 states and 3559 transitions. [2018-12-09 16:01:16,894 INFO L276 IsEmpty]: Start isEmpty. Operand 3090 states and 3559 transitions. [2018-12-09 16:01:16,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 16:01:16,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:01:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:01:17,113 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 16:01:18,301 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-09 16:01:19,179 WARN L180 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2018-12-09 16:01:20,840 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-12-09 16:01:21,503 WARN L180 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2018-12-09 16:01:23,331 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2018-12-09 16:01:24,272 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2018-12-09 16:01:24,858 WARN L180 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2018-12-09 16:01:26,574 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-12-09 16:01:27,632 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-12-09 16:01:28,287 WARN L180 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2018-12-09 16:01:30,094 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-12-09 16:01:30,578 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2018-12-09 16:01:38,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:01:38,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3621 states to 3153 states and 3621 transitions. [2018-12-09 16:01:38,099 INFO L276 IsEmpty]: Start isEmpty. Operand 3153 states and 3621 transitions. [2018-12-09 16:01:38,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 16:01:38,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:01:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:01:43,574 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 16:01:47,819 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2018-12-09 16:01:48,890 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2018-12-09 16:01:50,012 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-12-09 16:01:50,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:01:50,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3636 states to 3165 states and 3636 transitions. [2018-12-09 16:01:50,104 INFO L276 IsEmpty]: Start isEmpty. Operand 3165 states and 3636 transitions. [2018-12-09 16:01:50,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 16:01:50,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:01:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:01:50,292 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 16:01:52,633 WARN L180 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2018-12-09 16:01:54,647 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-12-09 16:01:55,130 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2018-12-09 16:01:58,730 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-12-09 16:01:59,124 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2018-12-09 16:01:59,621 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2018-12-09 16:02:02,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:02:02,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3656 states to 3184 states and 3656 transitions. [2018-12-09 16:02:02,119 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 3656 transitions. [2018-12-09 16:02:02,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 16:02:02,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:02:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:02,333 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 16:02:06,083 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2018-12-09 16:02:07,681 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2018-12-09 16:02:08,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:02:08,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3675 states to 3204 states and 3675 transitions. [2018-12-09 16:02:08,812 INFO L276 IsEmpty]: Start isEmpty. Operand 3204 states and 3675 transitions. [2018-12-09 16:02:08,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-09 16:02:08,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:02:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:08,918 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 380 proven. 5 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2018-12-09 16:02:14,342 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2018-12-09 16:02:16,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:02:16,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3756 states to 3277 states and 3756 transitions. [2018-12-09 16:02:16,502 INFO L276 IsEmpty]: Start isEmpty. Operand 3277 states and 3756 transitions. [2018-12-09 16:02:16,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-09 16:02:16,504 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:02:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:16,586 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2018-12-09 16:02:17,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:02:17,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3759 states to 3278 states and 3759 transitions. [2018-12-09 16:02:17,442 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 3759 transitions. [2018-12-09 16:02:17,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-09 16:02:17,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:02:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:17,572 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2018-12-09 16:02:17,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:02:17,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3759 states to 3279 states and 3759 transitions. [2018-12-09 16:02:17,958 INFO L276 IsEmpty]: Start isEmpty. Operand 3279 states and 3759 transitions. [2018-12-09 16:02:17,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 16:02:17,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:02:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:02:18,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-09 16:02:19,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:02:19,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 3141 states and 3615 transitions. [2018-12-09 16:02:19,027 INFO L276 IsEmpty]: Start isEmpty. Operand 3141 states and 3615 transitions. [2018-12-09 16:02:19,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 16:02:19,029 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 144 iterations. [2018-12-09 16:02:19,034 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 16:02:19,227 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 22 [2018-12-09 16:02:19,365 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 22 [2018-12-09 16:02:19,605 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 38 [2018-12-09 16:02:19,739 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2018-12-09 16:02:19,992 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 42 [2018-12-09 16:02:20,290 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 42 [2018-12-09 16:02:20,455 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 25 [2018-12-09 16:02:20,680 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 22 [2018-12-09 16:02:21,001 WARN L180 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 44 [2018-12-09 16:02:21,273 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 25 [2018-12-09 16:02:21,546 WARN L180 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 42 [2018-12-09 16:02:21,734 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 22 [2018-12-09 16:02:22,002 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 22 [2018-12-09 16:02:22,186 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 22 [2018-12-09 16:02:22,566 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 42 [2018-12-09 16:02:22,964 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 39 [2018-12-09 16:02:23,089 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2018-12-09 16:02:23,333 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 42 [2018-12-09 16:02:23,564 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 42 [2018-12-09 16:02:23,786 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2018-12-09 16:02:23,937 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2018-12-09 16:02:24,057 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2018-12-09 16:02:24,186 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 22 [2018-12-09 16:02:24,335 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 22 [2018-12-09 16:02:24,532 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2018-12-09 16:02:24,674 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2018-12-09 16:02:24,898 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2018-12-09 16:02:25,189 WARN L180 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 42 [2018-12-09 16:02:25,500 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 22 [2018-12-09 16:02:25,729 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2018-12-09 16:02:26,015 WARN L180 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 42 [2018-12-09 16:02:26,294 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 42 [2018-12-09 16:02:26,558 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 42 [2018-12-09 16:02:26,676 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2018-12-09 16:02:26,988 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 42 [2018-12-09 16:02:27,175 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 25 [2018-12-09 16:02:27,372 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2018-12-09 16:02:27,480 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2018-12-09 16:02:27,714 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 39 [2018-12-09 16:02:27,933 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 22 [2018-12-09 16:02:28,172 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 38 [2018-12-09 16:02:28,534 WARN L180 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 68 [2018-12-09 16:02:28,825 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 22 [2018-12-09 16:02:28,970 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2018-12-09 16:02:29,290 WARN L180 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 39 [2018-12-09 16:02:29,598 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 42 [2018-12-09 16:02:29,838 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 42 [2018-12-09 16:02:30,094 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 42 [2018-12-09 16:02:30,276 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 22 [2018-12-09 16:02:30,277 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 16:02:30,279 INFO L583 CodeCheckObserver]: Invariant with dag size 25 [2018-12-09 16:02:30,283 INFO L583 CodeCheckObserver]: Invariant with dag size 25 [2018-12-09 16:02:30,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 04:02:30 ImpRootNode [2018-12-09 16:02:30,284 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 16:02:30,284 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 16:02:30,284 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 16:02:30,284 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 16:02:30,284 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:54:07" (3/4) ... [2018-12-09 16:02:30,287 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 16:02:30,296 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-09 16:02:30,297 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-09 16:02:30,297 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 16:02:30,298 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 16:02:30,354 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dac400b2-e85b-477f-b855-8f9eec9a58e7/bin-2019/ukojak/witness.graphml [2018-12-09 16:02:30,354 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 16:02:30,354 INFO L168 Benchmark]: Toolchain (without parser) took 503985.11 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 950.6 MB in the beginning and 907.0 MB in the end (delta: 43.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-09 16:02:30,355 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:02:30,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-12-09 16:02:30,355 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 16:02:30,355 INFO L168 Benchmark]: Boogie Preprocessor took 39.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 16:02:30,355 INFO L168 Benchmark]: RCFGBuilder took 975.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 892.9 MB in the end (delta: 201.9 MB). Peak memory consumption was 201.9 MB. Max. memory is 11.5 GB. [2018-12-09 16:02:30,355 INFO L168 Benchmark]: CodeCheck took 502538.45 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 905.4 MB). Free memory was 892.9 MB in the beginning and 930.1 MB in the end (delta: -37.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-09 16:02:30,356 INFO L168 Benchmark]: Witness Printer took 69.79 ms. Allocated memory is still 2.1 GB. Free memory was 930.1 MB in the beginning and 907.0 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2018-12-09 16:02:30,357 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, 491.2s OverallTime, 144 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 742458692 SDtfs, -621005818 SDslu, -309996136 SDs, 0 SdLazy, 372841662 SolverSat, -1601540240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 786.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185816 GetRequests, 177304 SyntacticMatches, 6388 SemanticMatches, 2124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3368487 ImplicationChecksByTransitivity, 456.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 53.2s InterpolantComputationTime, 28090 NumberOfCodeBlocks, 28090 NumberOfCodeBlocksAsserted, 143 NumberOfCheckSat, 27947 ConstructedInterpolants, 0 QuantifiedInterpolants, 52320332 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 143 InterpolantComputations, 119 PerfectInterpolantSequences, 36066/36873 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: 437]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((a17 == 1 || ((((a16 == 4 && a12 == 8) && a17 <= 0) && a21 == 1) && a7 <= 0)) || !(a20 == 1)) || !(a8 == 13)) || a7 == 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((a17 == 1 || ((((a16 == 4 && a12 == 8) && a17 <= 0) && a21 == 1) && a7 <= 0)) || !(a20 == 1)) || !(a8 == 13)) || a7 == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 975.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 892.9 MB in the end (delta: 201.9 MB). Peak memory consumption was 201.9 MB. Max. memory is 11.5 GB. * CodeCheck took 502538.45 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 905.4 MB). Free memory was 892.9 MB in the beginning and 930.1 MB in the end (delta: -37.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 69.79 ms. Allocated memory is still 2.1 GB. Free memory was 930.1 MB in the beginning and 907.0 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...