./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_c7a95bc3-b3c5-4d5c-bc42-6375b5c9c5d9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c7a95bc3-b3c5-4d5c-bc42-6375b5c9c5d9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c7a95bc3-b3c5-4d5c-bc42-6375b5c9c5d9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c7a95bc3-b3c5-4d5c-bc42-6375b5c9c5d9/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_c7a95bc3-b3c5-4d5c-bc42-6375b5c9c5d9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c7a95bc3-b3c5-4d5c-bc42-6375b5c9c5d9/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 [2018-12-01 18:58:45,779 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:58:45,780 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:58:45,786 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:58:45,786 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:58:45,787 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:58:45,787 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:58:45,788 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:58:45,789 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:58:45,789 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:58:45,790 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:58:45,790 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:58:45,790 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:58:45,791 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:58:45,791 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:58:45,792 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:58:45,792 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:58:45,793 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:58:45,794 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:58:45,794 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:58:45,795 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:58:45,796 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:58:45,797 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:58:45,797 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:58:45,797 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:58:45,797 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:58:45,798 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:58:45,798 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:58:45,799 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:58:45,799 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:58:45,799 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:58:45,800 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:58:45,800 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:58:45,800 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:58:45,800 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:58:45,801 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:58:45,801 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c7a95bc3-b3c5-4d5c-bc42-6375b5c9c5d9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 18:58:45,808 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:58:45,808 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:58:45,809 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 18:58:45,809 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 18:58:45,809 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:58:45,809 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:58:45,809 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:58:45,809 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 18:58:45,809 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 18:58:45,810 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 18:58:45,810 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:58:45,810 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 18:58:45,810 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 18:58:45,810 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 18:58:45,810 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 18:58:45,810 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:58:45,810 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:58:45,810 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 18:58:45,810 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 18:58:45,810 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 18:58:45,811 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:58:45,811 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 18:58:45,811 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 18:58:45,811 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:58:45,811 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 18:58:45,811 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 18:58:45,811 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 18:58:45,811 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 18:58:45,811 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 18:58:45,811 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_c7a95bc3-b3c5-4d5c-bc42-6375b5c9c5d9/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 [2018-12-01 18:58:45,828 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:58:45,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:58:45,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:58:45,838 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:58:45,838 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:58:45,839 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c7a95bc3-b3c5-4d5c-bc42-6375b5c9c5d9/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label40_true-unreach-call_false-termination.c [2018-12-01 18:58:45,873 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c7a95bc3-b3c5-4d5c-bc42-6375b5c9c5d9/bin-2019/ukojak/data/31c457154/9028732352fa4d2bbe53fbc0a8874de9/FLAG8d2e6eb74 [2018-12-01 18:58:46,344 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:58:46,344 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c7a95bc3-b3c5-4d5c-bc42-6375b5c9c5d9/sv-benchmarks/c/eca-rers2012/Problem01_label40_true-unreach-call_false-termination.c [2018-12-01 18:58:46,351 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c7a95bc3-b3c5-4d5c-bc42-6375b5c9c5d9/bin-2019/ukojak/data/31c457154/9028732352fa4d2bbe53fbc0a8874de9/FLAG8d2e6eb74 [2018-12-01 18:58:46,360 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c7a95bc3-b3c5-4d5c-bc42-6375b5c9c5d9/bin-2019/ukojak/data/31c457154/9028732352fa4d2bbe53fbc0a8874de9 [2018-12-01 18:58:46,362 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:58:46,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:58:46,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:58:46,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:58:46,365 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:58:46,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:58:46" (1/1) ... [2018-12-01 18:58:46,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e814499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:58:46, skipping insertion in model container [2018-12-01 18:58:46,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:58:46" (1/1) ... [2018-12-01 18:58:46,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:58:46,395 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:58:46,565 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:58:46,568 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:58:46,647 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:58:46,656 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:58:46,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:58:46 WrapperNode [2018-12-01 18:58:46,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:58:46,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:58:46,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:58:46,657 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:58:46,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:58:46" (1/1) ... [2018-12-01 18:58:46,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:58:46" (1/1) ... [2018-12-01 18:58:46,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:58:46,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:58:46,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:58:46,698 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:58:46,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:58:46" (1/1) ... [2018-12-01 18:58:46,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:58:46" (1/1) ... [2018-12-01 18:58:46,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:58:46" (1/1) ... [2018-12-01 18:58:46,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:58:46" (1/1) ... [2018-12-01 18:58:46,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:58:46" (1/1) ... [2018-12-01 18:58:46,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:58:46" (1/1) ... [2018-12-01 18:58:46,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:58:46" (1/1) ... [2018-12-01 18:58:46,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:58:46,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:58:46,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:58:46,725 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:58:46,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:58:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7a95bc3-b3c5-4d5c-bc42-6375b5c9c5d9/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 [2018-12-01 18:58:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:58:46,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:58:47,766 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:58:47,766 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 18:58:47,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:58:47 BoogieIcfgContainer [2018-12-01 18:58:47,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:58:47,767 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 18:58:47,768 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 18:58:47,777 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 18:58:47,777 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:58:47" (1/1) ... [2018-12-01 18:58:47,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:58:47,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:47,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-01 18:58:47,820 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-01 18:58:47,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 18:58:47,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:48,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:58:48,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:48,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2018-12-01 18:58:48,278 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2018-12-01 18:58:48,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 18:58:48,279 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:48,327 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 18:58:48,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:48,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2018-12-01 18:58:48,414 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2018-12-01 18:58:48,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-01 18:58:48,415 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:48,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:58:48,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:48,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 151 states and 230 transitions. [2018-12-01 18:58:48,514 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 230 transitions. [2018-12-01 18:58:48,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 18:58:48,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:48,568 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:58:48,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:48,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 221 states and 303 transitions. [2018-12-01 18:58:48,867 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 303 transitions. [2018-12-01 18:58:48,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-01 18:58:48,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:48,895 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:58:49,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:49,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 228 states and 314 transitions. [2018-12-01 18:58:49,061 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 314 transitions. [2018-12-01 18:58:49,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 18:58:49,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:49,111 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:58:49,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:49,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 236 states and 330 transitions. [2018-12-01 18:58:49,421 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 330 transitions. [2018-12-01 18:58:49,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 18:58:49,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:49,439 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:58:49,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:49,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 241 states and 335 transitions. [2018-12-01 18:58:49,604 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 335 transitions. [2018-12-01 18:58:49,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 18:58:49,605 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:49,624 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:58:49,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:49,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 246 states and 340 transitions. [2018-12-01 18:58:49,664 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 340 transitions. [2018-12-01 18:58:49,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-01 18:58:49,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:49,679 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:58:49,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:49,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 254 states and 350 transitions. [2018-12-01 18:58:49,816 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 350 transitions. [2018-12-01 18:58:49,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 18:58:49,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:49,832 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 18:58:49,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:49,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 258 states and 356 transitions. [2018-12-01 18:58:49,960 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 356 transitions. [2018-12-01 18:58:49,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 18:58:49,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 18:58:50,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:50,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 260 states and 357 transitions. [2018-12-01 18:58:50,062 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 357 transitions. [2018-12-01 18:58:50,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 18:58:50,062 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:50,076 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:58:50,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:50,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 263 states and 361 transitions. [2018-12-01 18:58:50,127 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 361 transitions. [2018-12-01 18:58:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-01 18:58:50,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:50,147 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:58:50,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:50,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 268 states and 366 transitions. [2018-12-01 18:58:50,170 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 366 transitions. [2018-12-01 18:58:50,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-01 18:58:50,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:50,199 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:58:50,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:50,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 269 states and 367 transitions. [2018-12-01 18:58:50,259 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 367 transitions. [2018-12-01 18:58:50,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 18:58:50,259 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:50,339 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:58:50,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:50,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 283 states and 389 transitions. [2018-12-01 18:58:50,737 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 389 transitions. [2018-12-01 18:58:50,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-01 18:58:50,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:50,807 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:58:51,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:51,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 305 states and 420 transitions. [2018-12-01 18:58:51,607 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 420 transitions. [2018-12-01 18:58:51,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-01 18:58:51,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:51,632 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:58:51,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:51,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 308 states and 424 transitions. [2018-12-01 18:58:51,774 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 424 transitions. [2018-12-01 18:58:51,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-01 18:58:51,774 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:51,795 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:58:51,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:51,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 310 states and 425 transitions. [2018-12-01 18:58:51,932 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 425 transitions. [2018-12-01 18:58:51,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-01 18:58:51,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:51,981 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:58:52,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:52,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 311 states and 427 transitions. [2018-12-01 18:58:52,095 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 427 transitions. [2018-12-01 18:58:52,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 18:58:52,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:52,113 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:58:52,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:52,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 313 states and 429 transitions. [2018-12-01 18:58:52,136 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 429 transitions. [2018-12-01 18:58:52,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 18:58:52,137 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:52,196 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 18:58:52,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:52,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 324 states and 441 transitions. [2018-12-01 18:58:52,572 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 441 transitions. [2018-12-01 18:58:52,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 18:58:52,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:52,586 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:58:52,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:52,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 327 states and 444 transitions. [2018-12-01 18:58:52,600 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 444 transitions. [2018-12-01 18:58:52,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 18:58:52,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:52,614 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:58:52,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:52,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 329 states and 446 transitions. [2018-12-01 18:58:52,626 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 446 transitions. [2018-12-01 18:58:52,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 18:58:52,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:52,639 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 18:58:52,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:52,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 340 states and 459 transitions. [2018-12-01 18:58:52,840 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 459 transitions. [2018-12-01 18:58:52,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 18:58:52,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:52,904 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:58:53,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:53,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 365 states and 490 transitions. [2018-12-01 18:58:53,397 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 490 transitions. [2018-12-01 18:58:53,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 18:58:53,398 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:53,449 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:58:53,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:53,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 380 states and 509 transitions. [2018-12-01 18:58:53,752 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 509 transitions. [2018-12-01 18:58:53,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 18:58:53,753 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:54,058 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:58:54,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:54,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 405 states and 539 transitions. [2018-12-01 18:58:54,888 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 539 transitions. [2018-12-01 18:58:54,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-01 18:58:54,889 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:55,132 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:58:55,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:55,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 419 states and 558 transitions. [2018-12-01 18:58:55,595 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 558 transitions. [2018-12-01 18:58:55,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-01 18:58:55,596 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:55,691 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:58:56,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:56,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 430 states and 571 transitions. [2018-12-01 18:58:56,057 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 571 transitions. [2018-12-01 18:58:56,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 18:58:56,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:56,074 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 18:58:56,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:56,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 433 states and 576 transitions. [2018-12-01 18:58:56,276 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 576 transitions. [2018-12-01 18:58:56,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 18:58:56,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:56,293 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 18:58:56,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:56,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 447 states and 591 transitions. [2018-12-01 18:58:56,661 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 591 transitions. [2018-12-01 18:58:56,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 18:58:56,661 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:56,677 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:58:56,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:56,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 453 states and 599 transitions. [2018-12-01 18:58:56,865 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 599 transitions. [2018-12-01 18:58:56,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-01 18:58:56,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:56,879 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:58:56,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:56,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 454 states and 600 transitions. [2018-12-01 18:58:56,892 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 600 transitions. [2018-12-01 18:58:56,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 18:58:56,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:57,010 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:58:57,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:57,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 460 states and 609 transitions. [2018-12-01 18:58:57,542 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 609 transitions. [2018-12-01 18:58:57,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 18:58:57,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:57,559 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 18:58:57,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:57,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 463 states and 613 transitions. [2018-12-01 18:58:57,682 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 613 transitions. [2018-12-01 18:58:57,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 18:58:57,683 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:57,699 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:58:57,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:57,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 472 states and 622 transitions. [2018-12-01 18:58:57,733 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 622 transitions. [2018-12-01 18:58:57,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 18:58:57,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:57,749 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:58:57,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:57,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 473 states and 623 transitions. [2018-12-01 18:58:57,760 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 623 transitions. [2018-12-01 18:58:57,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 18:58:57,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:57,883 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 18:58:58,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:58:58,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 482 states and 641 transitions. [2018-12-01 18:58:58,598 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 641 transitions. [2018-12-01 18:58:58,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 18:58:58,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:58:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:58:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:59:00,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:00,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 530 states and 697 transitions. [2018-12-01 18:59:00,305 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 697 transitions. [2018-12-01 18:59:00,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 18:59:00,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:00,325 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:59:01,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:01,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 575 states and 748 transitions. [2018-12-01 18:59:01,743 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 748 transitions. [2018-12-01 18:59:01,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 18:59:01,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:01,763 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:59:03,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:03,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 606 states and 780 transitions. [2018-12-01 18:59:03,039 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 780 transitions. [2018-12-01 18:59:03,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-01 18:59:03,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:03,063 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:59:03,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:03,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 611 states and 788 transitions. [2018-12-01 18:59:03,089 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 788 transitions. [2018-12-01 18:59:03,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 18:59:03,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:03,264 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 18:59:04,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:04,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 620 states and 806 transitions. [2018-12-01 18:59:04,153 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 806 transitions. [2018-12-01 18:59:04,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 18:59:04,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:04,173 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:59:04,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:04,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 621 states and 807 transitions. [2018-12-01 18:59:04,185 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 807 transitions. [2018-12-01 18:59:04,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 18:59:04,186 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:04,214 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:59:05,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:05,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 670 states and 863 transitions. [2018-12-01 18:59:05,511 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 863 transitions. [2018-12-01 18:59:05,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 18:59:05,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:05,736 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 18:59:08,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:08,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 720 states and 918 transitions. [2018-12-01 18:59:08,625 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 918 transitions. [2018-12-01 18:59:08,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 18:59:08,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:08,936 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 18:59:10,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:10,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 750 states and 957 transitions. [2018-12-01 18:59:10,603 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 957 transitions. [2018-12-01 18:59:10,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 18:59:10,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:11,197 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:59:16,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:16,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 817 states and 1029 transitions. [2018-12-01 18:59:16,263 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1029 transitions. [2018-12-01 18:59:16,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-01 18:59:16,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:16,285 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:59:16,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:16,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 834 states and 1047 transitions. [2018-12-01 18:59:16,340 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1047 transitions. [2018-12-01 18:59:16,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 18:59:16,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:16,697 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:59:18,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:18,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 857 states and 1084 transitions. [2018-12-01 18:59:18,169 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1084 transitions. [2018-12-01 18:59:18,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 18:59:18,170 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:18,341 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:59:18,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:18,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 860 states and 1087 transitions. [2018-12-01 18:59:18,549 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1087 transitions. [2018-12-01 18:59:18,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 18:59:18,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:18,591 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-01 18:59:18,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:18,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 864 states and 1090 transitions. [2018-12-01 18:59:18,826 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1090 transitions. [2018-12-01 18:59:18,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 18:59:18,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:18,849 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:59:18,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:18,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 866 states and 1092 transitions. [2018-12-01 18:59:18,866 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1092 transitions. [2018-12-01 18:59:18,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 18:59:18,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:19,375 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:59:21,385 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-01 18:59:22,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:22,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 891 states and 1122 transitions. [2018-12-01 18:59:22,862 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1122 transitions. [2018-12-01 18:59:22,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 18:59:22,862 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:22,906 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:59:23,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:23,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 898 states and 1130 transitions. [2018-12-01 18:59:23,508 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1130 transitions. [2018-12-01 18:59:23,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 18:59:23,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:23,553 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:59:24,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:24,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 903 states and 1135 transitions. [2018-12-01 18:59:24,024 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1135 transitions. [2018-12-01 18:59:24,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-01 18:59:24,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:24,252 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:59:29,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:29,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 974 states and 1206 transitions. [2018-12-01 18:59:29,472 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1206 transitions. [2018-12-01 18:59:29,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-01 18:59:29,472 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:29,658 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 18:59:30,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:30,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 986 states and 1224 transitions. [2018-12-01 18:59:30,800 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1224 transitions. [2018-12-01 18:59:30,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 18:59:30,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:31,181 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:59:33,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:33,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1044 states and 1294 transitions. [2018-12-01 18:59:33,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1294 transitions. [2018-12-01 18:59:33,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 18:59:33,472 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:33,624 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:59:34,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:34,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1055 states and 1304 transitions. [2018-12-01 18:59:34,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1304 transitions. [2018-12-01 18:59:34,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 18:59:34,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:34,279 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:59:34,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:34,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1057 states and 1306 transitions. [2018-12-01 18:59:34,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1306 transitions. [2018-12-01 18:59:34,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 18:59:34,475 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:35,105 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 91 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:59:36,446 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2018-12-01 18:59:38,397 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2018-12-01 18:59:39,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:39,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1077 states and 1331 transitions. [2018-12-01 18:59:39,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1331 transitions. [2018-12-01 18:59:39,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 18:59:39,414 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:41,369 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 98 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:59:44,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:44,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1094 states and 1359 transitions. [2018-12-01 18:59:44,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1359 transitions. [2018-12-01 18:59:44,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-01 18:59:44,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:44,220 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 18:59:44,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:44,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1096 states and 1361 transitions. [2018-12-01 18:59:44,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1361 transitions. [2018-12-01 18:59:44,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-01 18:59:44,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:44,406 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 18:59:45,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:45,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1120 states and 1386 transitions. [2018-12-01 18:59:45,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1386 transitions. [2018-12-01 18:59:45,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-01 18:59:45,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:45,114 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 18:59:45,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:45,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1123 states and 1389 transitions. [2018-12-01 18:59:45,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1389 transitions. [2018-12-01 18:59:45,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 18:59:45,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:45,375 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 18:59:45,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:45,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1128 states and 1396 transitions. [2018-12-01 18:59:45,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1396 transitions. [2018-12-01 18:59:45,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 18:59:45,780 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:45,851 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 107 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:59:45,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:45,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1133 states and 1403 transitions. [2018-12-01 18:59:45,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1403 transitions. [2018-12-01 18:59:45,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-01 18:59:45,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:46,272 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:59:48,061 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2018-12-01 18:59:49,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:49,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1145 states and 1417 transitions. [2018-12-01 18:59:49,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1417 transitions. [2018-12-01 18:59:49,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-01 18:59:49,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:49,911 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:59:52,027 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2018-12-01 18:59:53,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:53,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1161 states and 1434 transitions. [2018-12-01 18:59:53,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1434 transitions. [2018-12-01 18:59:53,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-01 18:59:53,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:53,718 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:59:54,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:54,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1163 states and 1435 transitions. [2018-12-01 18:59:54,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1435 transitions. [2018-12-01 18:59:54,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-01 18:59:54,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:54,441 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:59:54,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:54,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1168 states and 1440 transitions. [2018-12-01 18:59:54,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1440 transitions. [2018-12-01 18:59:54,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-01 18:59:54,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:55,152 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:59:55,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:55,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1169 states and 1441 transitions. [2018-12-01 18:59:55,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1441 transitions. [2018-12-01 18:59:55,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 18:59:55,447 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:55,936 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 18:59:57,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:57,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1187 states and 1459 transitions. [2018-12-01 18:59:57,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1459 transitions. [2018-12-01 18:59:57,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 18:59:57,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:57,154 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-01 18:59:57,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:57,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1257 states and 1532 transitions. [2018-12-01 18:59:57,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1532 transitions. [2018-12-01 18:59:57,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 18:59:57,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:57,706 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:59:58,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:59:58,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1279 states and 1555 transitions. [2018-12-01 18:59:58,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1555 transitions. [2018-12-01 18:59:58,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 18:59:58,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:59:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:59:58,880 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:00:00,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:00:00,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1298 states and 1578 transitions. [2018-12-01 19:00:00,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1578 transitions. [2018-12-01 19:00:00,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 19:00:00,572 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:00:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:00:00,606 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:00:01,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:00:01,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1301 states and 1585 transitions. [2018-12-01 19:00:01,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1585 transitions. [2018-12-01 19:00:01,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 19:00:01,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:00:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:00:01,428 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:00:01,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:00:01,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1306 states and 1589 transitions. [2018-12-01 19:00:01,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 1589 transitions. [2018-12-01 19:00:01,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 19:00:01,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:00:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:00:01,900 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:00:02,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:00:02,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1320 states and 1602 transitions. [2018-12-01 19:00:02,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1602 transitions. [2018-12-01 19:00:02,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-01 19:00:02,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:00:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:00:02,869 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:00:05,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:00:05,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 1341 states and 1630 transitions. [2018-12-01 19:00:05,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1630 transitions. [2018-12-01 19:00:05,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-01 19:00:05,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:00:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:00:05,499 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:00:06,571 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-12-01 19:00:08,511 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 30 [2018-12-01 19:00:09,006 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2018-12-01 19:00:10,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:00:10,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1358 states and 1648 transitions. [2018-12-01 19:00:10,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1648 transitions. [2018-12-01 19:00:10,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 19:00:10,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:00:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:00:11,151 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 19:00:13,991 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2018-12-01 19:00:15,272 WARN L180 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2018-12-01 19:00:17,270 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2018-12-01 19:00:20,137 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-01 19:00:21,430 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-01 19:00:22,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:00:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1406 states and 1699 transitions. [2018-12-01 19:00:22,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1699 transitions. [2018-12-01 19:00:22,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-01 19:00:22,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:00:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:00:22,656 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 19:00:23,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:00:23,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1419 states and 1715 transitions. [2018-12-01 19:00:23,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1715 transitions. [2018-12-01 19:00:23,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 19:00:23,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:00:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:00:24,479 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 165 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:00:34,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:00:34,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 1460 states and 1769 transitions. [2018-12-01 19:00:34,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 1769 transitions. [2018-12-01 19:00:34,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 19:00:34,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:00:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:00:34,798 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 165 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:00:37,503 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2018-12-01 19:00:37,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:00:37,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1486 states and 1800 transitions. [2018-12-01 19:00:37,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 1800 transitions. [2018-12-01 19:00:37,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 19:00:37,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:00:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:00:37,973 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 165 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:00:39,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:00:39,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1495 states and 1808 transitions. [2018-12-01 19:00:39,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1808 transitions. [2018-12-01 19:00:39,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 19:00:39,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:00:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:00:39,474 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 165 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:00:39,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:00:39,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1496 states and 1809 transitions. [2018-12-01 19:00:39,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1809 transitions. [2018-12-01 19:00:39,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 19:00:39,898 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:00:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:00:39,933 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-01 19:00:41,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:00:41,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1566 states and 1882 transitions. [2018-12-01 19:00:41,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 1882 transitions. [2018-12-01 19:00:41,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-01 19:00:41,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:00:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:00:41,789 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-12-01 19:00:44,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:00:44,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1633 states and 1951 transitions. [2018-12-01 19:00:44,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 1951 transitions. [2018-12-01 19:00:44,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-01 19:00:44,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:00:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:00:44,781 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-01 19:00:46,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:00:46,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1644 states and 1963 transitions. [2018-12-01 19:00:46,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 1963 transitions. [2018-12-01 19:00:46,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-01 19:00:46,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:00:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:00:47,577 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 99 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:00:55,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:00:55,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 1748 states and 2084 transitions. [2018-12-01 19:00:55,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2084 transitions. [2018-12-01 19:00:55,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-01 19:00:55,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:00:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:00:56,029 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-12-01 19:00:58,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:00:58,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 1752 states and 2095 transitions. [2018-12-01 19:00:58,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2095 transitions. [2018-12-01 19:00:58,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-01 19:00:58,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:00:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:00:59,488 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 247 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 19:01:02,962 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-01 19:01:08,682 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-01 19:01:09,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:01:09,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2143 states to 1791 states and 2143 transitions. [2018-12-01 19:01:09,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2143 transitions. [2018-12-01 19:01:09,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-01 19:01:09,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:01:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:01:09,795 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 247 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 19:01:10,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:01:10,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 1791 states and 2142 transitions. [2018-12-01 19:01:10,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2142 transitions. [2018-12-01 19:01:10,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-01 19:01:10,257 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:01:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:01:10,752 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-01 19:01:13,046 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-01 19:01:26,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:01:26,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 1882 states and 2259 transitions. [2018-12-01 19:01:26,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2259 transitions. [2018-12-01 19:01:26,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-01 19:01:26,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:01:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:01:28,664 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-01 19:01:35,944 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-01 19:01:40,188 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 26 [2018-12-01 19:01:41,329 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-01 19:01:42,861 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-01 19:01:45,060 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-01 19:01:48,419 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-01 19:01:49,817 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-01 19:01:50,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:01:50,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 1965 states and 2347 transitions. [2018-12-01 19:01:50,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2347 transitions. [2018-12-01 19:01:50,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-01 19:01:50,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:01:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:01:51,113 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-01 19:01:52,665 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2018-12-01 19:01:57,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:01:57,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2012 states and 2396 transitions. [2018-12-01 19:01:57,712 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 2396 transitions. [2018-12-01 19:01:57,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-01 19:01:57,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:01:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:01:57,844 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-01 19:01:58,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:01:58,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2013 states and 2396 transitions. [2018-12-01 19:01:58,153 INFO L276 IsEmpty]: Start isEmpty. Operand 2013 states and 2396 transitions. [2018-12-01 19:01:58,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 19:01:58,154 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:01:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:01:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-01 19:01:59,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:01:59,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 2014 states and 2397 transitions. [2018-12-01 19:01:59,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2014 states and 2397 transitions. [2018-12-01 19:01:59,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 19:01:59,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:01:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:02:00,654 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 19:02:07,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:02:07,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2065 states and 2456 transitions. [2018-12-01 19:02:07,712 INFO L276 IsEmpty]: Start isEmpty. Operand 2065 states and 2456 transitions. [2018-12-01 19:02:07,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 19:02:07,713 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:02:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:02:07,851 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 19:02:08,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:02:08,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 2070 states and 2460 transitions. [2018-12-01 19:02:08,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2460 transitions. [2018-12-01 19:02:08,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 19:02:08,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:02:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:02:08,867 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 19:02:11,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:02:11,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2095 states and 2483 transitions. [2018-12-01 19:02:11,504 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 2483 transitions. [2018-12-01 19:02:11,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 19:02:11,505 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:02:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:02:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-01 19:02:14,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:02:14,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2172 states and 2563 transitions. [2018-12-01 19:02:14,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 2563 transitions. [2018-12-01 19:02:14,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 19:02:14,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:02:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:02:16,109 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2018-12-01 19:02:17,141 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-01 19:02:21,697 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2018-12-01 19:02:23,157 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2018-12-01 19:02:26,078 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2018-12-01 19:02:29,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:02:29,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 2204 states and 2598 transitions. [2018-12-01 19:02:29,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2204 states and 2598 transitions. [2018-12-01 19:02:29,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 19:02:29,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:02:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:02:29,797 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-01 19:02:30,131 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2018-12-01 19:02:30,579 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2018-12-01 19:02:31,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:02:31,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2206 states and 2599 transitions. [2018-12-01 19:02:31,730 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 2599 transitions. [2018-12-01 19:02:31,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-01 19:02:31,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:02:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:02:34,526 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 19:02:42,872 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-12-01 19:02:49,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:02:49,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2228 states and 2624 transitions. [2018-12-01 19:02:49,350 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2624 transitions. [2018-12-01 19:02:49,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-01 19:02:49,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:02:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:02:49,510 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 19:02:52,146 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-01 19:02:55,445 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 30 [2018-12-01 19:03:00,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:03:00,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 2271 states and 2665 transitions. [2018-12-01 19:03:00,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2271 states and 2665 transitions. [2018-12-01 19:03:00,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-01 19:03:00,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:03:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:03:01,376 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 19:03:07,935 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-01 19:03:11,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:03:11,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2314 states and 2708 transitions. [2018-12-01 19:03:11,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2708 transitions. [2018-12-01 19:03:11,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-01 19:03:11,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:03:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:03:11,787 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 19:03:13,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:03:13,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2719 states to 2327 states and 2719 transitions. [2018-12-01 19:03:13,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 2719 transitions. [2018-12-01 19:03:13,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-01 19:03:13,677 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:03:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:03:13,808 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 19:03:15,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:03:15,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 2349 states and 2740 transitions. [2018-12-01 19:03:15,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 2740 transitions. [2018-12-01 19:03:15,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-01 19:03:15,238 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:03:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:03:15,698 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 19:03:17,368 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-01 19:03:28,648 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-12-01 19:03:28,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:03:28,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2446 states and 2852 transitions. [2018-12-01 19:03:28,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2446 states and 2852 transitions. [2018-12-01 19:03:28,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-01 19:03:28,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:03:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:03:28,832 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 19:03:31,996 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-01 19:03:34,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:03:34,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2461 states and 2867 transitions. [2018-12-01 19:03:34,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 2867 transitions. [2018-12-01 19:03:34,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-01 19:03:34,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:03:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:03:34,733 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 19:03:35,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:03:35,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2462 states and 2867 transitions. [2018-12-01 19:03:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2462 states and 2867 transitions. [2018-12-01 19:03:35,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-01 19:03:35,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:03:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:03:35,411 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 19:03:35,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:03:35,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2464 states and 2869 transitions. [2018-12-01 19:03:35,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 2869 transitions. [2018-12-01 19:03:35,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 19:03:35,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:03:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:03:37,817 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 19:03:43,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:03:43,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2878 states to 2469 states and 2878 transitions. [2018-12-01 19:03:43,050 INFO L276 IsEmpty]: Start isEmpty. Operand 2469 states and 2878 transitions. [2018-12-01 19:03:43,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 19:03:43,052 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:03:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:03:43,205 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 19:03:47,406 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-01 19:03:47,896 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-01 19:03:50,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:03:50,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2938 states to 2525 states and 2938 transitions. [2018-12-01 19:03:50,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 2938 transitions. [2018-12-01 19:03:50,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-01 19:03:50,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:03:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:03:51,376 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 377 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-12-01 19:03:55,231 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-01 19:03:55,641 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2018-12-01 19:03:58,798 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-01 19:04:07,078 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-01 19:04:09,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:04:09,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 2632 states and 3064 transitions. [2018-12-01 19:04:09,992 INFO L276 IsEmpty]: Start isEmpty. Operand 2632 states and 3064 transitions. [2018-12-01 19:04:09,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 19:04:09,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:04:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:04:13,420 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 19:04:20,063 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2018-12-01 19:04:23,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:04:23,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 2661 states and 3096 transitions. [2018-12-01 19:04:23,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 3096 transitions. [2018-12-01 19:04:23,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 19:04:23,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:04:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:04:26,015 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 19:04:27,961 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-01 19:04:31,685 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-01 19:04:33,264 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-01 19:04:33,886 WARN L180 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2018-12-01 19:04:38,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:04:38,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3120 states to 2681 states and 3120 transitions. [2018-12-01 19:04:38,719 INFO L276 IsEmpty]: Start isEmpty. Operand 2681 states and 3120 transitions. [2018-12-01 19:04:38,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 19:04:38,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:04:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:04:38,914 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 19:04:42,514 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-12-01 19:04:43,093 WARN L180 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-01 19:04:44,069 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-12-01 19:04:44,643 WARN L180 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-01 19:04:45,638 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-12-01 19:04:46,208 WARN L180 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-12-01 19:04:47,891 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-12-01 19:04:48,549 WARN L180 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-12-01 19:04:50,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:04:50,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 2709 states and 3152 transitions. [2018-12-01 19:04:50,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2709 states and 3152 transitions. [2018-12-01 19:04:50,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 19:04:50,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:04:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:04:51,761 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-01 19:04:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:04:59,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3228 states to 2783 states and 3228 transitions. [2018-12-01 19:04:59,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2783 states and 3228 transitions. [2018-12-01 19:04:59,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 19:04:59,447 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:04:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:05:00,027 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 19:05:02,377 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-01 19:05:03,442 WARN L180 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-01 19:05:05,350 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-01 19:05:06,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:05:06,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3243 states to 2797 states and 3243 transitions. [2018-12-01 19:05:06,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2797 states and 3243 transitions. [2018-12-01 19:05:06,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 19:05:06,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:05:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:05:06,920 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 19:05:10,107 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-01 19:05:12,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:05:12,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3259 states to 2813 states and 3259 transitions. [2018-12-01 19:05:12,797 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3259 transitions. [2018-12-01 19:05:12,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 19:05:12,799 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:05:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:05:13,103 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 19:05:16,723 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-01 19:05:17,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:05:17,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 2836 states and 3283 transitions. [2018-12-01 19:05:17,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 3283 transitions. [2018-12-01 19:05:17,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 19:05:17,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:05:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:05:17,440 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 19:05:21,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:05:21,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3288 states to 2841 states and 3288 transitions. [2018-12-01 19:05:21,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 3288 transitions. [2018-12-01 19:05:21,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 19:05:21,239 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:05:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:05:21,565 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 19:05:22,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:05:22,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3289 states to 2843 states and 3289 transitions. [2018-12-01 19:05:22,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2843 states and 3289 transitions. [2018-12-01 19:05:22,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-01 19:05:22,270 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:05:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:05:22,639 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 424 proven. 104 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-01 19:05:26,271 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2018-12-01 19:05:30,411 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2018-12-01 19:05:46,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:05:46,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3391 states to 2920 states and 3391 transitions. [2018-12-01 19:05:46,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 3391 transitions. [2018-12-01 19:05:46,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-01 19:05:46,936 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:05:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:05:47,517 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-01 19:05:52,179 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-12-01 19:05:52,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:05:52,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3453 states to 2973 states and 3453 transitions. [2018-12-01 19:05:52,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2973 states and 3453 transitions. [2018-12-01 19:05:52,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-01 19:05:52,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:05:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:05:52,800 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-01 19:05:56,742 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2018-12-01 19:06:04,221 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 24 [2018-12-01 19:06:04,600 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 30 [2018-12-01 19:06:07,842 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2018-12-01 19:06:12,054 WARN L180 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2018-12-01 19:06:14,642 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-12-01 19:06:15,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:06:15,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3513 states to 3028 states and 3513 transitions. [2018-12-01 19:06:15,470 INFO L276 IsEmpty]: Start isEmpty. Operand 3028 states and 3513 transitions. [2018-12-01 19:06:15,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-01 19:06:15,472 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:06:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:06:15,638 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-01 19:06:22,741 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-01 19:06:25,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:06:25,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3552 states to 3063 states and 3552 transitions. [2018-12-01 19:06:25,077 INFO L276 IsEmpty]: Start isEmpty. Operand 3063 states and 3552 transitions. [2018-12-01 19:06:25,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-01 19:06:25,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:06:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:06:25,209 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-01 19:06:26,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:06:26,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3566 states to 3079 states and 3566 transitions. [2018-12-01 19:06:26,813 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 3566 transitions. [2018-12-01 19:06:26,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-01 19:06:26,815 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:06:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:06:34,284 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 19:06:37,735 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-01 19:06:41,067 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-12-01 19:06:41,711 WARN L180 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2018-12-01 19:06:42,715 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2018-12-01 19:06:44,790 WARN L180 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2018-12-01 19:06:46,330 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-12-01 19:06:50,072 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2018-12-01 19:06:52,950 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-12-01 19:06:53,597 WARN L180 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2018-12-01 19:06:54,679 WARN L180 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2018-12-01 19:06:56,307 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-12-01 19:06:56,930 WARN L180 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2018-12-01 19:06:58,610 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-12-01 19:06:59,066 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2018-12-01 19:07:00,731 WARN L180 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2018-12-01 19:07:03,024 WARN L180 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2018-12-01 19:07:05,668 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-12-01 19:07:06,374 WARN L180 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2018-12-01 19:07:10,780 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-01 19:07:12,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:07:12,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3636 states to 3148 states and 3636 transitions. [2018-12-01 19:07:12,193 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 3636 transitions. [2018-12-01 19:07:12,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 19:07:12,195 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:07:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:07:16,081 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-01 19:07:17,062 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-01 19:07:18,725 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2018-12-01 19:07:20,201 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 19:07:24,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:07:24,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3644 states to 3153 states and 3644 transitions. [2018-12-01 19:07:24,924 INFO L276 IsEmpty]: Start isEmpty. Operand 3153 states and 3644 transitions. [2018-12-01 19:07:24,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 19:07:24,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:07:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:07:25,090 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 19:07:28,421 WARN L180 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2018-12-01 19:07:29,285 WARN L180 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2018-12-01 19:07:30,285 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-12-01 19:07:30,977 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2018-12-01 19:07:32,599 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-12-01 19:07:35,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:07:35,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3664 states to 3172 states and 3664 transitions. [2018-12-01 19:07:35,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3172 states and 3664 transitions. [2018-12-01 19:07:35,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 19:07:35,198 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:07:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:07:35,405 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 19:07:36,804 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2018-12-01 19:07:37,701 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2018-12-01 19:07:43,017 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2018-12-01 19:07:43,981 WARN L180 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2018-12-01 19:07:46,827 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2018-12-01 19:07:48,389 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-12-01 19:07:49,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:07:49,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3690 states to 3199 states and 3690 transitions. [2018-12-01 19:07:49,115 INFO L276 IsEmpty]: Start isEmpty. Operand 3199 states and 3690 transitions. [2018-12-01 19:07:49,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-01 19:07:49,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:07:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:07:49,240 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 380 proven. 5 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2018-12-01 19:07:59,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:07:59,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3771 states to 3272 states and 3771 transitions. [2018-12-01 19:07:59,521 INFO L276 IsEmpty]: Start isEmpty. Operand 3272 states and 3771 transitions. [2018-12-01 19:07:59,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-01 19:07:59,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:07:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:07:59,600 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2018-12-01 19:08:02,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:08:02,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3774 states to 3273 states and 3774 transitions. [2018-12-01 19:08:02,490 INFO L276 IsEmpty]: Start isEmpty. Operand 3273 states and 3774 transitions. [2018-12-01 19:08:02,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 19:08:02,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:08:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:08:02,577 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2018-12-01 19:08:02,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:08:02,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3774 states to 3274 states and 3774 transitions. [2018-12-01 19:08:02,970 INFO L276 IsEmpty]: Start isEmpty. Operand 3274 states and 3774 transitions. [2018-12-01 19:08:02,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-01 19:08:02,972 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:08:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:08:03,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-01 19:08:04,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:08:04,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3630 states to 3136 states and 3630 transitions. [2018-12-01 19:08:04,014 INFO L276 IsEmpty]: Start isEmpty. Operand 3136 states and 3630 transitions. [2018-12-01 19:08:04,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 19:08:04,016 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 141 iterations. [2018-12-01 19:08:04,022 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 19:08:04,180 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2018-12-01 19:08:04,313 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 22 [2018-12-01 19:08:04,578 WARN L180 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 48 [2018-12-01 19:08:04,704 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2018-12-01 19:08:04,927 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 38 [2018-12-01 19:08:05,218 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 38 [2018-12-01 19:08:05,376 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 25 [2018-12-01 19:08:05,554 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 22 [2018-12-01 19:08:05,966 WARN L180 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 51 [2018-12-01 19:08:06,225 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 25 [2018-12-01 19:08:06,472 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 38 [2018-12-01 19:08:06,683 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 22 [2018-12-01 19:08:07,009 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 22 [2018-12-01 19:08:07,267 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 41 [2018-12-01 19:08:07,628 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 38 [2018-12-01 19:08:08,080 WARN L180 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 47 [2018-12-01 19:08:08,211 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2018-12-01 19:08:08,447 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 38 [2018-12-01 19:08:08,692 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 38 [2018-12-01 19:08:08,932 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2018-12-01 19:08:09,047 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2018-12-01 19:08:09,172 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2018-12-01 19:08:09,299 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 22 [2018-12-01 19:08:09,443 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 22 [2018-12-01 19:08:09,651 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2018-12-01 19:08:09,783 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2018-12-01 19:08:09,988 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2018-12-01 19:08:10,227 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 38 [2018-12-01 19:08:10,532 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 22 [2018-12-01 19:08:10,772 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2018-12-01 19:08:11,042 WARN L180 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 38 [2018-12-01 19:08:11,340 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 38 [2018-12-01 19:08:11,590 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 38 [2018-12-01 19:08:11,707 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2018-12-01 19:08:12,042 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 38 [2018-12-01 19:08:12,230 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2018-12-01 19:08:12,444 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2018-12-01 19:08:12,571 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 22 [2018-12-01 19:08:12,804 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 39 [2018-12-01 19:08:13,026 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2018-12-01 19:08:13,293 WARN L180 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 48 [2018-12-01 19:08:13,618 WARN L180 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 69 [2018-12-01 19:08:13,869 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 22 [2018-12-01 19:08:13,993 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2018-12-01 19:08:14,287 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 47 [2018-12-01 19:08:14,587 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 38 [2018-12-01 19:08:14,858 WARN L180 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 38 [2018-12-01 19:08:15,086 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 38 [2018-12-01 19:08:15,262 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 22 [2018-12-01 19:08:15,262 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 19:08:15,264 INFO L583 CodeCheckObserver]: Invariant with dag size 25 [2018-12-01 19:08:15,268 INFO L583 CodeCheckObserver]: Invariant with dag size 25 [2018-12-01 19:08:15,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 07:08:15 ImpRootNode [2018-12-01 19:08:15,269 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 19:08:15,269 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 19:08:15,269 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 19:08:15,269 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 19:08:15,270 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:58:47" (3/4) ... [2018-12-01 19:08:15,272 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 19:08:15,282 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-01 19:08:15,282 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-01 19:08:15,282 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-01 19:08:15,283 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 19:08:15,341 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c7a95bc3-b3c5-4d5c-bc42-6375b5c9c5d9/bin-2019/ukojak/witness.graphml [2018-12-01 19:08:15,341 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 19:08:15,342 INFO L168 Benchmark]: Toolchain (without parser) took 568979.43 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 806.4 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -61.0 MB). Peak memory consumption was 745.3 MB. Max. memory is 11.5 GB. [2018-12-01 19:08:15,342 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:08:15,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-12-01 19:08:15,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 19:08:15,342 INFO L168 Benchmark]: Boogie Preprocessor took 27.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 19:08:15,342 INFO L168 Benchmark]: RCFGBuilder took 1041.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 871.3 MB in the end (delta: 208.8 MB). Peak memory consumption was 208.8 MB. Max. memory is 11.5 GB. [2018-12-01 19:08:15,343 INFO L168 Benchmark]: CodeCheck took 567501.56 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 703.6 MB). Free memory was 871.3 MB in the beginning and 1.0 GB in the end (delta: -158.6 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-01 19:08:15,343 INFO L168 Benchmark]: Witness Printer took 71.85 ms. Allocated memory is still 1.8 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-12-01 19:08:15,344 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, 556.2s OverallTime, 141 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2049938620 SDtfs, 114314790 SDslu, 518157720 SDs, 0 SdLazy, 834990302 SolverSat, 634184880 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 790.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 178585 GetRequests, 170584 SyntacticMatches, 5883 SemanticMatches, 2118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3387705 ImplicationChecksByTransitivity, 520.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 53.3s InterpolantComputationTime, 26924 NumberOfCodeBlocks, 26924 NumberOfCodeBlocksAsserted, 140 NumberOfCheckSat, 26784 ConstructedInterpolants, 0 QuantifiedInterpolants, 47947984 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 140 InterpolantComputations, 117 PerfectInterpolantSequences, 33782/34572 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 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 293.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1041.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 871.3 MB in the end (delta: 208.8 MB). Peak memory consumption was 208.8 MB. Max. memory is 11.5 GB. * CodeCheck took 567501.56 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 703.6 MB). Free memory was 871.3 MB in the beginning and 1.0 GB in the end (delta: -158.6 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 71.85 ms. Allocated memory is still 1.8 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...