./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5e9c9e0b-083a-48cd-be46-438bb34cc3b7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5e9c9e0b-083a-48cd-be46-438bb34cc3b7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5e9c9e0b-083a-48cd-be46-438bb34cc3b7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5e9c9e0b-083a-48cd-be46-438bb34cc3b7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5e9c9e0b-083a-48cd-be46-438bb34cc3b7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5e9c9e0b-083a-48cd-be46-438bb34cc3b7/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 e94bad701dc31ef8837df5dc0d8bbaaa41b948fd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:49:53,696 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:49:53,697 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:49:53,704 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:49:53,705 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:49:53,705 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:49:53,706 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:49:53,707 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:49:53,708 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:49:53,709 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:49:53,709 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:49:53,710 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:49:53,710 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:49:53,711 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:49:53,712 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:49:53,712 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:49:53,713 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:49:53,714 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:49:53,715 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:49:53,716 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:49:53,717 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:49:53,718 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:49:53,719 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:49:53,720 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:49:53,720 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:49:53,720 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:49:53,721 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:49:53,722 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:49:53,722 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:49:53,723 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:49:53,723 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:49:53,724 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:49:53,724 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:49:53,724 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:49:53,725 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:49:53,725 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:49:53,725 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5e9c9e0b-083a-48cd-be46-438bb34cc3b7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 00:49:53,735 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:49:53,735 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:49:53,736 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:49:53,736 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 00:49:53,736 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:49:53,736 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:49:53,737 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:49:53,737 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:49:53,737 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:49:53,737 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:49:53,737 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:49:53,737 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:49:53,737 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:49:53,737 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:49:53,737 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:49:53,738 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:49:53,738 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:49:53,738 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:49:53,738 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 00:49:53,738 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 00:49:53,738 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:49:53,738 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:49:53,738 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 00:49:53,739 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:49:53,739 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:49:53,739 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:49:53,739 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 00:49:53,739 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:49:53,739 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:49:53,739 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_5e9c9e0b-083a-48cd-be46-438bb34cc3b7/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 -> e94bad701dc31ef8837df5dc0d8bbaaa41b948fd [2018-11-23 00:49:53,760 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:49:53,768 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:49:53,770 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:49:53,771 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:49:53,772 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:49:53,772 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5e9c9e0b-083a-48cd-be46-438bb34cc3b7/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c [2018-11-23 00:49:53,807 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e9c9e0b-083a-48cd-be46-438bb34cc3b7/bin-2019/ukojak/data/41679145c/b3899ddff25c44329491b4fd46d8d828/FLAG999e9c40a [2018-11-23 00:49:54,264 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:49:54,265 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5e9c9e0b-083a-48cd-be46-438bb34cc3b7/sv-benchmarks/c/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c [2018-11-23 00:49:54,273 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e9c9e0b-083a-48cd-be46-438bb34cc3b7/bin-2019/ukojak/data/41679145c/b3899ddff25c44329491b4fd46d8d828/FLAG999e9c40a [2018-11-23 00:49:54,286 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5e9c9e0b-083a-48cd-be46-438bb34cc3b7/bin-2019/ukojak/data/41679145c/b3899ddff25c44329491b4fd46d8d828 [2018-11-23 00:49:54,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:49:54,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:49:54,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:49:54,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:49:54,292 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:49:54,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:49:54" (1/1) ... [2018-11-23 00:49:54,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22877cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:54, skipping insertion in model container [2018-11-23 00:49:54,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:49:54" (1/1) ... [2018-11-23 00:49:54,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:49:54,334 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:49:54,562 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:49:54,565 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:49:54,631 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:49:54,644 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:49:54,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:54 WrapperNode [2018-11-23 00:49:54,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:49:54,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:49:54,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:49:54,646 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:49:54,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:54" (1/1) ... [2018-11-23 00:49:54,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:54" (1/1) ... [2018-11-23 00:49:54,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:49:54,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:49:54,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:49:54,757 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:49:54,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:54" (1/1) ... [2018-11-23 00:49:54,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:54" (1/1) ... [2018-11-23 00:49:54,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:54" (1/1) ... [2018-11-23 00:49:54,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:54" (1/1) ... [2018-11-23 00:49:54,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:54" (1/1) ... [2018-11-23 00:49:54,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:54" (1/1) ... [2018-11-23 00:49:54,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:54" (1/1) ... [2018-11-23 00:49:54,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:49:54,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:49:54,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:49:54,799 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:49:54,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e9c9e0b-083a-48cd-be46-438bb34cc3b7/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 00:49:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 00:49:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:49:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:49:56,438 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:49:56,439 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 00:49:56,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:56 BoogieIcfgContainer [2018-11-23 00:49:56,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:49:56,439 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 00:49:56,439 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 00:49:56,446 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 00:49:56,447 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:56" (1/1) ... [2018-11-23 00:49:56,455 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:49:56,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:49:56,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-11-23 00:49:56,479 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-11-23 00:49:56,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 00:49:56,482 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:49:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:49:56,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:49:57,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:49:57,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 163 states and 276 transitions. [2018-11-23 00:49:57,111 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 276 transitions. [2018-11-23 00:49:57,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 00:49:57,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:49:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:49:57,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:49:57,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:49:57,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 242 states and 359 transitions. [2018-11-23 00:49:57,679 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 359 transitions. [2018-11-23 00:49:57,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 00:49:57,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:49:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:49:57,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:49:58,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:49:58,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 324 states and 452 transitions. [2018-11-23 00:49:58,852 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 452 transitions. [2018-11-23 00:49:58,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 00:49:58,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:49:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:49:58,955 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:49:59,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:49:59,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 402 states and 541 transitions. [2018-11-23 00:49:59,918 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 541 transitions. [2018-11-23 00:49:59,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 00:49:59,920 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:49:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:49:59,964 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:00,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:00,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 413 states and 554 transitions. [2018-11-23 00:50:00,157 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 554 transitions. [2018-11-23 00:50:00,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 00:50:00,158 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:00,180 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:00,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:00,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 424 states and 567 transitions. [2018-11-23 00:50:00,424 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 567 transitions. [2018-11-23 00:50:00,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 00:50:00,425 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:00,446 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:00,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:00,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 427 states and 570 transitions. [2018-11-23 00:50:00,526 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 570 transitions. [2018-11-23 00:50:00,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 00:50:00,527 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:00,551 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 00:50:01,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:01,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 441 states and 589 transitions. [2018-11-23 00:50:01,008 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 589 transitions. [2018-11-23 00:50:01,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 00:50:01,009 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:01,031 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 00:50:01,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:01,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 445 states and 595 transitions. [2018-11-23 00:50:01,217 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 595 transitions. [2018-11-23 00:50:01,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 00:50:01,218 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:01,243 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 00:50:01,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:01,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 446 states and 596 transitions. [2018-11-23 00:50:01,266 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 596 transitions. [2018-11-23 00:50:01,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 00:50:01,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:01,284 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:01,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:01,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 459 states and 609 transitions. [2018-11-23 00:50:01,342 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 609 transitions. [2018-11-23 00:50:01,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-23 00:50:01,344 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:01,496 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:02,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:02,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 464 states and 624 transitions. [2018-11-23 00:50:02,094 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 624 transitions. [2018-11-23 00:50:02,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-23 00:50:02,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:02,114 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:02,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:02,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 477 states and 637 transitions. [2018-11-23 00:50:02,160 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 637 transitions. [2018-11-23 00:50:02,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 00:50:02,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:02,211 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 00:50:02,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:02,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 495 states and 662 transitions. [2018-11-23 00:50:02,555 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 662 transitions. [2018-11-23 00:50:02,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 00:50:02,556 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:02,643 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:03,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:03,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 523 states and 695 transitions. [2018-11-23 00:50:03,141 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 695 transitions. [2018-11-23 00:50:03,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 00:50:03,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:03,176 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 00:50:03,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:03,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 550 states and 725 transitions. [2018-11-23 00:50:03,560 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 725 transitions. [2018-11-23 00:50:03,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 00:50:03,561 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:03,582 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 00:50:03,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:03,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 568 states and 746 transitions. [2018-11-23 00:50:03,878 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 746 transitions. [2018-11-23 00:50:03,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 00:50:03,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:03,898 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 00:50:04,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:04,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 582 states and 762 transitions. [2018-11-23 00:50:04,145 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 762 transitions. [2018-11-23 00:50:04,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 00:50:04,146 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:04,163 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 00:50:04,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:04,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 583 states and 762 transitions. [2018-11-23 00:50:04,274 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 762 transitions. [2018-11-23 00:50:04,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 00:50:04,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:04,301 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 00:50:04,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:04,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 584 states and 762 transitions. [2018-11-23 00:50:04,378 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 762 transitions. [2018-11-23 00:50:04,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 00:50:04,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:04,406 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 00:50:04,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:04,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 599 states and 778 transitions. [2018-11-23 00:50:04,549 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 778 transitions. [2018-11-23 00:50:04,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 00:50:04,549 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:04,574 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 00:50:04,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:04,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 612 states and 791 transitions. [2018-11-23 00:50:04,644 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 791 transitions. [2018-11-23 00:50:04,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 00:50:04,645 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:04,735 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:06,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:06,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 648 states and 838 transitions. [2018-11-23 00:50:06,042 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 838 transitions. [2018-11-23 00:50:06,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 00:50:06,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:06,067 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:06,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:06,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 654 states and 846 transitions. [2018-11-23 00:50:06,320 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 846 transitions. [2018-11-23 00:50:06,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-23 00:50:06,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:06,626 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:08,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:08,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 690 states and 887 transitions. [2018-11-23 00:50:08,269 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 887 transitions. [2018-11-23 00:50:08,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-23 00:50:08,270 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:08,317 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 00:50:08,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:08,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 696 states and 902 transitions. [2018-11-23 00:50:08,904 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 902 transitions. [2018-11-23 00:50:08,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-23 00:50:08,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:08,928 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:09,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:09,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 716 states and 925 transitions. [2018-11-23 00:50:09,189 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 925 transitions. [2018-11-23 00:50:09,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 00:50:09,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:09,207 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:09,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:09,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 717 states and 926 transitions. [2018-11-23 00:50:09,222 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 926 transitions. [2018-11-23 00:50:09,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-23 00:50:09,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:09,288 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:10,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:10,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 759 states and 974 transitions. [2018-11-23 00:50:10,311 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 974 transitions. [2018-11-23 00:50:10,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-23 00:50:10,312 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:10,337 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 00:50:10,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:10,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 769 states and 986 transitions. [2018-11-23 00:50:10,845 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 986 transitions. [2018-11-23 00:50:10,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 00:50:10,846 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:10,920 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:11,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:11,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 785 states and 1007 transitions. [2018-11-23 00:50:11,678 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1007 transitions. [2018-11-23 00:50:11,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 00:50:11,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:11,770 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:11,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:11,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 786 states and 1008 transitions. [2018-11-23 00:50:11,923 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1008 transitions. [2018-11-23 00:50:11,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 00:50:11,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:12,009 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:12,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:12,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 818 states and 1043 transitions. [2018-11-23 00:50:12,715 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1043 transitions. [2018-11-23 00:50:12,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 00:50:12,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:12,799 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:12,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:12,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 819 states and 1043 transitions. [2018-11-23 00:50:12,967 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1043 transitions. [2018-11-23 00:50:12,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 00:50:12,968 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:13,045 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:13,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:13,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 834 states and 1060 transitions. [2018-11-23 00:50:13,324 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1060 transitions. [2018-11-23 00:50:13,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 00:50:13,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:13,363 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 00:50:13,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:13,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 855 states and 1082 transitions. [2018-11-23 00:50:13,605 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1082 transitions. [2018-11-23 00:50:13,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 00:50:13,605 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:13,624 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 00:50:13,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:13,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 859 states and 1088 transitions. [2018-11-23 00:50:13,933 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1088 transitions. [2018-11-23 00:50:13,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 00:50:13,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:13,952 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 00:50:14,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:14,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 860 states and 1088 transitions. [2018-11-23 00:50:14,095 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1088 transitions. [2018-11-23 00:50:14,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 00:50:14,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:14,126 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:14,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:14,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 871 states and 1102 transitions. [2018-11-23 00:50:14,611 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1102 transitions. [2018-11-23 00:50:14,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 00:50:14,612 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:14,660 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:15,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:15,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 911 states and 1146 transitions. [2018-11-23 00:50:15,812 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1146 transitions. [2018-11-23 00:50:15,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 00:50:15,813 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:15,862 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:16,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:16,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 912 states and 1147 transitions. [2018-11-23 00:50:16,063 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1147 transitions. [2018-11-23 00:50:16,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 00:50:16,064 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:16,117 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:16,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:16,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 927 states and 1164 transitions. [2018-11-23 00:50:16,585 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1164 transitions. [2018-11-23 00:50:16,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 00:50:16,586 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:16,620 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:17,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:17,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 975 states and 1217 transitions. [2018-11-23 00:50:17,549 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1217 transitions. [2018-11-23 00:50:17,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-23 00:50:17,550 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:17,572 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 00:50:18,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:18,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 980 states and 1223 transitions. [2018-11-23 00:50:18,330 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1223 transitions. [2018-11-23 00:50:18,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 00:50:18,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:18,352 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:19,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:19,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1014 states and 1264 transitions. [2018-11-23 00:50:19,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1264 transitions. [2018-11-23 00:50:19,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 00:50:19,427 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:19,453 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:19,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:19,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1035 states and 1284 transitions. [2018-11-23 00:50:19,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1284 transitions. [2018-11-23 00:50:19,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 00:50:19,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:19,745 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:19,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:19,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1036 states and 1285 transitions. [2018-11-23 00:50:19,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1285 transitions. [2018-11-23 00:50:19,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 00:50:19,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:20,017 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:20,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:20,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1056 states and 1307 transitions. [2018-11-23 00:50:20,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1307 transitions. [2018-11-23 00:50:20,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 00:50:20,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:20,562 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 00:50:20,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:20,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1061 states and 1317 transitions. [2018-11-23 00:50:20,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1317 transitions. [2018-11-23 00:50:20,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 00:50:20,969 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:21,003 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 00:50:21,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:21,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1079 states and 1339 transitions. [2018-11-23 00:50:21,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1339 transitions. [2018-11-23 00:50:21,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 00:50:21,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:21,502 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 00:50:22,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:22,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1099 states and 1370 transitions. [2018-11-23 00:50:22,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1370 transitions. [2018-11-23 00:50:22,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 00:50:22,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:22,240 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 00:50:22,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:22,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1101 states and 1373 transitions. [2018-11-23 00:50:22,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1373 transitions. [2018-11-23 00:50:22,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 00:50:22,642 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:22,676 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 00:50:22,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:22,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1105 states and 1377 transitions. [2018-11-23 00:50:22,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1377 transitions. [2018-11-23 00:50:22,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 00:50:22,880 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:22,902 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 00:50:23,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:23,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1106 states and 1378 transitions. [2018-11-23 00:50:23,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1378 transitions. [2018-11-23 00:50:23,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-23 00:50:23,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:23,117 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 00:50:23,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:23,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1107 states and 1380 transitions. [2018-11-23 00:50:23,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1380 transitions. [2018-11-23 00:50:23,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 00:50:23,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:23,200 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 00:50:24,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:24,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1157 states and 1443 transitions. [2018-11-23 00:50:24,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1443 transitions. [2018-11-23 00:50:24,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 00:50:24,615 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:24,662 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 00:50:25,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:25,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1200 states and 1491 transitions. [2018-11-23 00:50:25,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1491 transitions. [2018-11-23 00:50:25,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 00:50:25,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:25,791 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 00:50:26,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:26,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1202 states and 1491 transitions. [2018-11-23 00:50:26,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1491 transitions. [2018-11-23 00:50:26,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 00:50:26,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:26,193 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 00:50:26,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:26,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1204 states and 1491 transitions. [2018-11-23 00:50:26,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1491 transitions. [2018-11-23 00:50:26,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-23 00:50:26,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:26,670 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:27,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:27,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1215 states and 1501 transitions. [2018-11-23 00:50:27,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1501 transitions. [2018-11-23 00:50:27,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-23 00:50:27,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:27,075 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 00:50:27,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:27,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1224 states and 1511 transitions. [2018-11-23 00:50:27,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1511 transitions. [2018-11-23 00:50:27,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-23 00:50:27,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:27,563 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 00:50:27,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:27,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1225 states and 1511 transitions. [2018-11-23 00:50:27,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1511 transitions. [2018-11-23 00:50:27,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-23 00:50:27,820 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:27,844 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 00:50:28,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:28,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1229 states and 1514 transitions. [2018-11-23 00:50:28,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1514 transitions. [2018-11-23 00:50:28,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 00:50:28,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:28,085 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:28,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:28,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1260 states and 1545 transitions. [2018-11-23 00:50:28,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1545 transitions. [2018-11-23 00:50:28,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 00:50:28,644 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:28,667 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:28,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:28,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 1263 states and 1548 transitions. [2018-11-23 00:50:28,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1548 transitions. [2018-11-23 00:50:28,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 00:50:28,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:28,889 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:29,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:29,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1273 states and 1556 transitions. [2018-11-23 00:50:29,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1556 transitions. [2018-11-23 00:50:29,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 00:50:29,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-23 00:50:29,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:29,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1278 states and 1571 transitions. [2018-11-23 00:50:29,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1571 transitions. [2018-11-23 00:50:29,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 00:50:29,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:29,330 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 00:50:29,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:29,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1283 states and 1581 transitions. [2018-11-23 00:50:29,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1581 transitions. [2018-11-23 00:50:29,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 00:50:29,910 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:29,941 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 00:50:30,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:30,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1286 states and 1584 transitions. [2018-11-23 00:50:30,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1584 transitions. [2018-11-23 00:50:30,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-23 00:50:30,188 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:30,235 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 00:50:30,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:30,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1299 states and 1598 transitions. [2018-11-23 00:50:30,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1598 transitions. [2018-11-23 00:50:30,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-23 00:50:30,528 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:30,550 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:30,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:30,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1300 states and 1599 transitions. [2018-11-23 00:50:30,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1599 transitions. [2018-11-23 00:50:30,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-23 00:50:30,575 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:30,597 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:30,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:30,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1303 states and 1602 transitions. [2018-11-23 00:50:30,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1602 transitions. [2018-11-23 00:50:30,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-23 00:50:30,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:31,339 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 00:50:33,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:33,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1374 states and 1672 transitions. [2018-11-23 00:50:33,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 1672 transitions. [2018-11-23 00:50:33,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-23 00:50:33,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:33,491 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 00:50:34,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:34,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1401 states and 1701 transitions. [2018-11-23 00:50:34,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 1701 transitions. [2018-11-23 00:50:34,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 00:50:34,616 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:34,639 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 00:50:34,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:34,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1402 states and 1702 transitions. [2018-11-23 00:50:34,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1702 transitions. [2018-11-23 00:50:34,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 00:50:34,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:34,786 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 00:50:34,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:34,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1405 states and 1705 transitions. [2018-11-23 00:50:34,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 1705 transitions. [2018-11-23 00:50:34,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 00:50:34,939 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:35,005 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 00:50:35,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:35,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1424 states and 1726 transitions. [2018-11-23 00:50:35,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 1726 transitions. [2018-11-23 00:50:35,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 00:50:35,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:35,858 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 00:50:35,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:35,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1428 states and 1729 transitions. [2018-11-23 00:50:35,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1729 transitions. [2018-11-23 00:50:35,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-23 00:50:35,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:36,021 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 00:50:36,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:36,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1429 states and 1730 transitions. [2018-11-23 00:50:36,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1730 transitions. [2018-11-23 00:50:36,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-23 00:50:36,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:36,229 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 00:50:36,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:36,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1432 states and 1733 transitions. [2018-11-23 00:50:36,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1733 transitions. [2018-11-23 00:50:36,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-23 00:50:36,642 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:37,028 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 164 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 00:50:37,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:37,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1437 states and 1739 transitions. [2018-11-23 00:50:37,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1739 transitions. [2018-11-23 00:50:37,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-23 00:50:37,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:37,621 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 00:50:38,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:38,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1462 states and 1766 transitions. [2018-11-23 00:50:38,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1766 transitions. [2018-11-23 00:50:38,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-23 00:50:38,166 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:38,223 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:38,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:38,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1771 states to 1466 states and 1771 transitions. [2018-11-23 00:50:38,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1771 transitions. [2018-11-23 00:50:38,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-23 00:50:38,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:38,548 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:40,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:40,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 1502 states and 1810 transitions. [2018-11-23 00:50:40,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1810 transitions. [2018-11-23 00:50:40,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-23 00:50:40,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:40,177 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:40,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:40,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 1503 states and 1810 transitions. [2018-11-23 00:50:40,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1810 transitions. [2018-11-23 00:50:40,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-23 00:50:40,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:40,498 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:50:40,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:40,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1506 states and 1813 transitions. [2018-11-23 00:50:40,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 1813 transitions. [2018-11-23 00:50:40,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 00:50:40,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:40,780 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 00:50:41,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:41,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1518 states and 1824 transitions. [2018-11-23 00:50:41,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1824 transitions. [2018-11-23 00:50:41,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 00:50:41,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:41,257 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 00:50:42,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:42,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1552 states and 1863 transitions. [2018-11-23 00:50:42,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1863 transitions. [2018-11-23 00:50:42,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 00:50:42,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:42,556 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 00:50:43,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:43,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 1660 states and 1973 transitions. [2018-11-23 00:50:43,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 1973 transitions. [2018-11-23 00:50:43,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-23 00:50:43,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:43,430 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 00:50:43,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:43,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1666 states and 1980 transitions. [2018-11-23 00:50:43,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 1980 transitions. [2018-11-23 00:50:43,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-23 00:50:43,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:43,524 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 00:50:43,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:43,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 1667 states and 1981 transitions. [2018-11-23 00:50:43,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 1981 transitions. [2018-11-23 00:50:43,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-23 00:50:43,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:43,582 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 00:50:43,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:43,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 1670 states and 1984 transitions. [2018-11-23 00:50:43,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 1984 transitions. [2018-11-23 00:50:43,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 00:50:43,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:44,550 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 00:50:49,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 1769 states and 2086 transitions. [2018-11-23 00:50:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2086 transitions. [2018-11-23 00:50:49,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 00:50:49,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:49,247 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 00:50:50,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:50,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2111 states to 1795 states and 2111 transitions. [2018-11-23 00:50:50,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 2111 transitions. [2018-11-23 00:50:50,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-23 00:50:50,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:50,740 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 00:50:52,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:52,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 1823 states and 2146 transitions. [2018-11-23 00:50:52,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2146 transitions. [2018-11-23 00:50:52,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-23 00:50:52,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:52,430 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 00:50:53,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:53,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 1850 states and 2176 transitions. [2018-11-23 00:50:53,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2176 transitions. [2018-11-23 00:50:53,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 00:50:53,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:53,213 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 00:50:53,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:53,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 1870 states and 2201 transitions. [2018-11-23 00:50:53,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2201 transitions. [2018-11-23 00:50:53,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 00:50:53,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:53,783 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-23 00:50:53,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:53,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 1871 states and 2201 transitions. [2018-11-23 00:50:53,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2201 transitions. [2018-11-23 00:50:53,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 00:50:53,928 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:53,968 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 00:50:54,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:54,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 1873 states and 2203 transitions. [2018-11-23 00:50:54,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1873 states and 2203 transitions. [2018-11-23 00:50:54,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 00:50:54,211 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:54,295 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 00:50:54,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:54,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 1889 states and 2218 transitions. [2018-11-23 00:50:54,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2218 transitions. [2018-11-23 00:50:54,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-23 00:50:54,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:54,591 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 00:50:55,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:55,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 1899 states and 2230 transitions. [2018-11-23 00:50:55,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 2230 transitions. [2018-11-23 00:50:55,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-23 00:50:55,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:55,268 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-23 00:50:55,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:55,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 1901 states and 2233 transitions. [2018-11-23 00:50:55,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2233 transitions. [2018-11-23 00:50:55,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-23 00:50:55,571 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:56,310 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 00:50:59,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:50:59,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2328 states to 1995 states and 2328 transitions. [2018-11-23 00:50:59,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1995 states and 2328 transitions. [2018-11-23 00:50:59,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-23 00:50:59,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:50:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:50:59,534 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 00:51:00,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:00,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2354 states to 2019 states and 2354 transitions. [2018-11-23 00:51:00,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2019 states and 2354 transitions. [2018-11-23 00:51:00,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-23 00:51:00,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:00,953 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 00:51:02,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:02,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2399 states to 2058 states and 2399 transitions. [2018-11-23 00:51:02,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2399 transitions. [2018-11-23 00:51:02,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-23 00:51:02,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:02,629 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-23 00:51:02,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:02,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 2061 states and 2401 transitions. [2018-11-23 00:51:02,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2061 states and 2401 transitions. [2018-11-23 00:51:02,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-23 00:51:02,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:02,844 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 143 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-23 00:51:03,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:03,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 2074 states and 2417 transitions. [2018-11-23 00:51:03,334 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2417 transitions. [2018-11-23 00:51:03,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-23 00:51:03,335 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:03,364 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 00:51:03,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:03,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 2098 states and 2441 transitions. [2018-11-23 00:51:03,911 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2441 transitions. [2018-11-23 00:51:03,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-23 00:51:03,912 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:03,940 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 00:51:04,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:04,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2113 states and 2456 transitions. [2018-11-23 00:51:04,256 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 2456 transitions. [2018-11-23 00:51:04,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-23 00:51:04,257 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:04,285 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 00:51:04,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:04,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2463 states to 2120 states and 2463 transitions. [2018-11-23 00:51:04,322 INFO L276 IsEmpty]: Start isEmpty. Operand 2120 states and 2463 transitions. [2018-11-23 00:51:04,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-23 00:51:04,323 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:04,387 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 00:51:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:04,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2472 states to 2125 states and 2472 transitions. [2018-11-23 00:51:04,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2472 transitions. [2018-11-23 00:51:04,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-23 00:51:04,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 00:51:05,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:05,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2128 states and 2475 transitions. [2018-11-23 00:51:05,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 2475 transitions. [2018-11-23 00:51:05,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-23 00:51:05,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:05,350 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 00:51:05,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:05,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2131 states and 2478 transitions. [2018-11-23 00:51:05,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 2478 transitions. [2018-11-23 00:51:05,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 00:51:05,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:06,602 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 00:51:12,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:12,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2572 states to 2223 states and 2572 transitions. [2018-11-23 00:51:12,625 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2572 transitions. [2018-11-23 00:51:12,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 00:51:12,626 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:12,746 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 00:51:13,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:13,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 2249 states and 2597 transitions. [2018-11-23 00:51:13,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 2597 transitions. [2018-11-23 00:51:13,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-23 00:51:13,212 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:14,498 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 215 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:51:17,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:17,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2653 states to 2298 states and 2653 transitions. [2018-11-23 00:51:17,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2298 states and 2653 transitions. [2018-11-23 00:51:17,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-23 00:51:17,842 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:17,883 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 00:51:17,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:17,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2658 states to 2304 states and 2658 transitions. [2018-11-23 00:51:17,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 2658 transitions. [2018-11-23 00:51:17,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-23 00:51:17,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:17,963 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 00:51:18,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:18,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2658 states to 2305 states and 2658 transitions. [2018-11-23 00:51:18,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 2658 transitions. [2018-11-23 00:51:18,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-23 00:51:18,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:18,197 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 136 proven. 5 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-23 00:51:18,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:18,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2678 states to 2324 states and 2678 transitions. [2018-11-23 00:51:18,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 2678 transitions. [2018-11-23 00:51:18,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-23 00:51:18,937 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:18,995 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 136 proven. 5 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-23 00:51:19,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:19,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 2326 states and 2680 transitions. [2018-11-23 00:51:19,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2326 states and 2680 transitions. [2018-11-23 00:51:19,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-23 00:51:19,549 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:19,607 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 136 proven. 5 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-23 00:51:20,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:20,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 2340 states and 2694 transitions. [2018-11-23 00:51:20,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2340 states and 2694 transitions. [2018-11-23 00:51:20,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-23 00:51:20,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:20,444 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 136 proven. 5 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-23 00:51:20,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:20,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2697 states to 2343 states and 2697 transitions. [2018-11-23 00:51:20,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 2697 transitions. [2018-11-23 00:51:20,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-23 00:51:20,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:20,958 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-23 00:51:23,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:23,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2401 states and 2755 transitions. [2018-11-23 00:51:23,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 2755 transitions. [2018-11-23 00:51:23,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-23 00:51:23,016 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:23,093 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-23 00:51:23,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:23,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2401 states and 2754 transitions. [2018-11-23 00:51:23,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 2754 transitions. [2018-11-23 00:51:23,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-11-23 00:51:23,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:23,687 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-11-23 00:51:26,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:26,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2911 states to 2545 states and 2911 transitions. [2018-11-23 00:51:26,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 2911 transitions. [2018-11-23 00:51:26,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-23 00:51:26,327 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:26,518 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 168 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-11-23 00:51:28,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:28,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2575 states and 2940 transitions. [2018-11-23 00:51:28,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 2940 transitions. [2018-11-23 00:51:28,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-23 00:51:28,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:29,099 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-11-23 00:51:29,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:29,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2945 states to 2581 states and 2945 transitions. [2018-11-23 00:51:29,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2581 states and 2945 transitions. [2018-11-23 00:51:29,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-11-23 00:51:29,164 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:29,240 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 278 proven. 4 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-23 00:51:30,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:30,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2950 states to 2585 states and 2950 transitions. [2018-11-23 00:51:30,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 2950 transitions. [2018-11-23 00:51:30,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-11-23 00:51:30,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:30,162 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 278 proven. 4 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-23 00:51:30,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:30,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2953 states to 2588 states and 2953 transitions. [2018-11-23 00:51:30,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2588 states and 2953 transitions. [2018-11-23 00:51:30,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-23 00:51:30,521 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:30,571 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 247 proven. 2 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-23 00:51:30,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:30,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2618 states and 2983 transitions. [2018-11-23 00:51:30,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2618 states and 2983 transitions. [2018-11-23 00:51:30,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-23 00:51:30,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:31,265 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-11-23 00:51:31,925 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-11-23 00:51:34,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:34,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 2689 states and 3057 transitions. [2018-11-23 00:51:34,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 3057 transitions. [2018-11-23 00:51:34,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-23 00:51:34,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:34,959 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-11-23 00:51:35,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 2692 states and 3060 transitions. [2018-11-23 00:51:35,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 3060 transitions. [2018-11-23 00:51:35,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-23 00:51:35,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:35,940 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-11-23 00:51:36,110 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-11-23 00:51:36,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:36,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3059 states to 2693 states and 3059 transitions. [2018-11-23 00:51:36,513 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 3059 transitions. [2018-11-23 00:51:36,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-23 00:51:36,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:37,575 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 336 proven. 61 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-23 00:51:40,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:40,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3080 states to 2712 states and 3080 transitions. [2018-11-23 00:51:40,173 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3080 transitions. [2018-11-23 00:51:40,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-11-23 00:51:40,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:41,147 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 221 proven. 225 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 00:51:45,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:45,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3285 states to 2897 states and 3285 transitions. [2018-11-23 00:51:45,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2897 states and 3285 transitions. [2018-11-23 00:51:45,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-23 00:51:45,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:45,961 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-23 00:51:47,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:47,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 2907 states and 3300 transitions. [2018-11-23 00:51:47,285 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 3300 transitions. [2018-11-23 00:51:47,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-23 00:51:47,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:47,369 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-23 00:51:48,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:48,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 2917 states and 3312 transitions. [2018-11-23 00:51:48,154 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 3312 transitions. [2018-11-23 00:51:48,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-11-23 00:51:48,156 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:48,341 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-11-23 00:51:48,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:48,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3315 states to 2920 states and 3315 transitions. [2018-11-23 00:51:48,409 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 3315 transitions. [2018-11-23 00:51:48,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-11-23 00:51:48,411 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:48,490 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-11-23 00:51:48,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:48,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 2926 states and 3321 transitions. [2018-11-23 00:51:48,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 3321 transitions. [2018-11-23 00:51:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-11-23 00:51:48,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:48,981 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-11-23 00:51:49,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:49,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 2930 states and 3324 transitions. [2018-11-23 00:51:49,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2930 states and 3324 transitions. [2018-11-23 00:51:49,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-23 00:51:49,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:49,321 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2018-11-23 00:51:49,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:49,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3328 states to 2934 states and 3328 transitions. [2018-11-23 00:51:49,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2934 states and 3328 transitions. [2018-11-23 00:51:49,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-11-23 00:51:49,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:49,744 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 327 proven. 2 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-11-23 00:51:51,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3368 states to 2969 states and 3368 transitions. [2018-11-23 00:51:51,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2969 states and 3368 transitions. [2018-11-23 00:51:51,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-11-23 00:51:51,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:51,388 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 327 proven. 2 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-11-23 00:51:51,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:51,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3373 states to 2975 states and 3373 transitions. [2018-11-23 00:51:51,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2975 states and 3373 transitions. [2018-11-23 00:51:51,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-11-23 00:51:51,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:51,525 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 327 proven. 2 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-11-23 00:51:51,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:51,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3376 states to 2979 states and 3376 transitions. [2018-11-23 00:51:51,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2979 states and 3376 transitions. [2018-11-23 00:51:51,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-11-23 00:51:51,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:52,139 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 493 proven. 4 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 00:51:53,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:53,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 3011 states and 3409 transitions. [2018-11-23 00:51:53,227 INFO L276 IsEmpty]: Start isEmpty. Operand 3011 states and 3409 transitions. [2018-11-23 00:51:53,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-11-23 00:51:53,229 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:53,354 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 493 proven. 4 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 00:51:53,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:53,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3419 states to 3020 states and 3419 transitions. [2018-11-23 00:51:53,798 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 3419 transitions. [2018-11-23 00:51:53,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-11-23 00:51:53,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:53,917 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 493 proven. 4 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 00:51:53,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:53,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3419 states to 3021 states and 3419 transitions. [2018-11-23 00:51:53,963 INFO L276 IsEmpty]: Start isEmpty. Operand 3021 states and 3419 transitions. [2018-11-23 00:51:53,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-11-23 00:51:53,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:54,056 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 493 proven. 4 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 00:51:54,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:51:54,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3419 states to 3023 states and 3419 transitions. [2018-11-23 00:51:54,649 INFO L276 IsEmpty]: Start isEmpty. Operand 3023 states and 3419 transitions. [2018-11-23 00:51:54,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-11-23 00:51:54,651 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:51:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:51:54,846 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 222 proven. 450 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-23 00:52:02,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:52:02,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3504 states to 3105 states and 3504 transitions. [2018-11-23 00:52:02,095 INFO L276 IsEmpty]: Start isEmpty. Operand 3105 states and 3504 transitions. [2018-11-23 00:52:02,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-11-23 00:52:02,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:52:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:02,308 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 222 proven. 450 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-23 00:52:05,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:52:05,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3539 states to 3137 states and 3539 transitions. [2018-11-23 00:52:05,861 INFO L276 IsEmpty]: Start isEmpty. Operand 3137 states and 3539 transitions. [2018-11-23 00:52:05,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-11-23 00:52:05,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:52:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:06,054 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 222 proven. 450 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-23 00:52:07,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:52:07,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3163 states and 3564 transitions. [2018-11-23 00:52:07,532 INFO L276 IsEmpty]: Start isEmpty. Operand 3163 states and 3564 transitions. [2018-11-23 00:52:07,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-11-23 00:52:07,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:52:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:07,727 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 222 proven. 450 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-23 00:52:08,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:52:08,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3569 states to 3168 states and 3569 transitions. [2018-11-23 00:52:08,750 INFO L276 IsEmpty]: Start isEmpty. Operand 3168 states and 3569 transitions. [2018-11-23 00:52:08,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2018-11-23 00:52:08,752 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:52:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:08,942 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 222 proven. 450 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-23 00:52:09,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:52:09,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 3173 states and 3574 transitions. [2018-11-23 00:52:09,575 INFO L276 IsEmpty]: Start isEmpty. Operand 3173 states and 3574 transitions. [2018-11-23 00:52:09,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2018-11-23 00:52:09,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:52:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:09,725 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 636 proven. 6 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-11-23 00:52:13,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:52:13,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 3251 states and 3659 transitions. [2018-11-23 00:52:13,127 INFO L276 IsEmpty]: Start isEmpty. Operand 3251 states and 3659 transitions. [2018-11-23 00:52:13,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2018-11-23 00:52:13,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:52:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:13,278 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 636 proven. 6 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-11-23 00:52:16,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:52:16,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3737 states to 3326 states and 3737 transitions. [2018-11-23 00:52:16,985 INFO L276 IsEmpty]: Start isEmpty. Operand 3326 states and 3737 transitions. [2018-11-23 00:52:16,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2018-11-23 00:52:16,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:52:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:17,138 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 636 proven. 6 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-11-23 00:52:18,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:52:18,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3765 states to 3356 states and 3765 transitions. [2018-11-23 00:52:18,115 INFO L276 IsEmpty]: Start isEmpty. Operand 3356 states and 3765 transitions. [2018-11-23 00:52:18,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2018-11-23 00:52:18,117 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:52:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:18,283 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 636 proven. 6 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-11-23 00:52:18,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:52:18,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3774 states to 3368 states and 3774 transitions. [2018-11-23 00:52:18,976 INFO L276 IsEmpty]: Start isEmpty. Operand 3368 states and 3774 transitions. [2018-11-23 00:52:18,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2018-11-23 00:52:18,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:52:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:19,133 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 636 proven. 6 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-11-23 00:52:19,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:52:19,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3789 states to 3383 states and 3789 transitions. [2018-11-23 00:52:19,864 INFO L276 IsEmpty]: Start isEmpty. Operand 3383 states and 3789 transitions. [2018-11-23 00:52:19,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2018-11-23 00:52:19,866 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:52:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:20,022 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 636 proven. 6 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-11-23 00:52:20,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:52:20,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3794 states to 3389 states and 3794 transitions. [2018-11-23 00:52:20,172 INFO L276 IsEmpty]: Start isEmpty. Operand 3389 states and 3794 transitions. [2018-11-23 00:52:20,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2018-11-23 00:52:20,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:52:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:20,324 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 636 proven. 6 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-11-23 00:52:20,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:52:20,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 3409 states and 3814 transitions. [2018-11-23 00:52:20,404 INFO L276 IsEmpty]: Start isEmpty. Operand 3409 states and 3814 transitions. [2018-11-23 00:52:20,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2018-11-23 00:52:20,406 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:52:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:20,560 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 636 proven. 6 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-11-23 00:52:20,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:52:20,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3825 states to 3421 states and 3825 transitions. [2018-11-23 00:52:20,824 INFO L276 IsEmpty]: Start isEmpty. Operand 3421 states and 3825 transitions. [2018-11-23 00:52:20,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2018-11-23 00:52:20,826 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:52:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:52:20,947 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 497 proven. 9 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2018-11-23 00:52:21,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:52:21,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3310 states to 2955 states and 3310 transitions. [2018-11-23 00:52:21,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2955 states and 3310 transitions. [2018-11-23 00:52:21,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:52:21,356 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 163 iterations. [2018-11-23 00:52:21,363 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 00:52:21,483 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 21 [2018-11-23 00:52:21,595 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 21 [2018-11-23 00:52:21,746 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 21 [2018-11-23 00:52:21,916 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 21 [2018-11-23 00:52:22,028 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 21 [2018-11-23 00:52:22,211 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 21 [2018-11-23 00:52:22,468 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 21 [2018-11-23 00:52:22,573 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 21 [2018-11-23 00:52:23,261 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 35 [2018-11-23 00:52:23,376 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 21 [2018-11-23 00:52:23,492 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 21 [2018-11-23 00:52:23,714 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 21 [2018-11-23 00:52:23,818 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 21 [2018-11-23 00:52:23,919 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 21 [2018-11-23 00:52:24,350 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 54 [2018-11-23 00:52:24,540 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 21 [2018-11-23 00:52:24,713 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 21 [2018-11-23 00:52:24,919 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 21 [2018-11-23 00:52:25,189 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 35 [2018-11-23 00:52:25,297 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 21 [2018-11-23 00:52:25,466 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 21 [2018-11-23 00:52:25,760 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 42 [2018-11-23 00:52:25,912 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 21 [2018-11-23 00:52:26,197 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 21 [2018-11-23 00:52:26,383 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 21 [2018-11-23 00:52:26,535 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 21 [2018-11-23 00:52:27,090 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 35 [2018-11-23 00:52:27,236 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 35 [2018-11-23 00:52:27,409 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 21 [2018-11-23 00:52:27,511 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 21 [2018-11-23 00:52:27,682 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 21 [2018-11-23 00:52:27,862 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 21 [2018-11-23 00:52:27,971 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 21 [2018-11-23 00:52:28,344 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 21 [2018-11-23 00:52:28,456 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 21 [2018-11-23 00:52:28,603 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 35 [2018-11-23 00:52:28,837 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 44 [2018-11-23 00:52:29,084 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 21 [2018-11-23 00:52:29,084 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:52:29,086 INFO L579 CodeCheckObserver]: Invariant with dag size 21 [2018-11-23 00:52:29,091 INFO L579 CodeCheckObserver]: Invariant with dag size 21 [2018-11-23 00:52:29,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:52:29 ImpRootNode [2018-11-23 00:52:29,092 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 00:52:29,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:52:29,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:52:29,093 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:52:29,093 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:56" (3/4) ... [2018-11-23 00:52:29,096 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:52:29,109 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-11-23 00:52:29,110 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-23 00:52:29,111 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 00:52:29,112 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 00:52:29,199 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5e9c9e0b-083a-48cd-be46-438bb34cc3b7/bin-2019/ukojak/witness.graphml [2018-11-23 00:52:29,199 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:52:29,201 INFO L168 Benchmark]: Toolchain (without parser) took 154912.02 ms. Allocated memory was 1.0 GB in the beginning and 4.3 GB in the end (delta: 3.3 GB). Free memory was 954.9 MB in the beginning and 3.3 GB in the end (delta: -2.3 GB). Peak memory consumption was 969.5 MB. Max. memory is 11.5 GB. [2018-11-23 00:52:29,201 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:52:29,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.51 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 925.3 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:52:29,201 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 925.3 MB in the beginning and 1.1 GB in the end (delta: -198.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-23 00:52:29,202 INFO L168 Benchmark]: Boogie Preprocessor took 41.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. [2018-11-23 00:52:29,202 INFO L168 Benchmark]: RCFGBuilder took 1640.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 876.7 MB in the end (delta: 241.9 MB). Peak memory consumption was 241.9 MB. Max. memory is 11.5 GB. [2018-11-23 00:52:29,202 INFO L168 Benchmark]: CodeCheck took 152652.73 ms. Allocated memory was 1.2 GB in the beginning and 4.3 GB in the end (delta: 3.2 GB). Free memory was 876.7 MB in the beginning and 3.3 GB in the end (delta: -2.4 GB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. [2018-11-23 00:52:29,202 INFO L168 Benchmark]: Witness Printer took 107.18 ms. Allocated memory is still 4.3 GB. Free memory is still 3.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:52:29,204 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, 227 locations, 1 error locations. SAFE Result, 144.8s OverallTime, 163 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2021745664 SDtfs, -1992354856 SDslu, -70867968 SDs, 0 SdLazy, -1817399952 SolverSat, -444812592 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 652.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 212046 GetRequests, 207158 SyntacticMatches, 3332 SemanticMatches, 1556 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1965692 ImplicationChecksByTransitivity, 122.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 13.6s InterpolantComputationTime, 32723 NumberOfCodeBlocks, 32723 NumberOfCodeBlocksAsserted, 162 NumberOfCheckSat, 32561 ConstructedInterpolants, 0 QuantifiedInterpolants, 27186976 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 162 InterpolantComputations, 122 PerfectInterpolantSequences, 33521/36243 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: 448]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((!(a19 == 1) || (!(a25 == 1) && !(a11 == 1))) || (!(a17 == 7) && !(a11 == 1))) || (a11 == 1 && !(a17 == 9)) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(a19 == 1) || (!(a17 == 7) && !(a11 == 1))) || (a11 == 1 && !(a17 == 9))) || (!(a25 == 1) && !(a11 == 1)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.51 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 925.3 MB in the end (delta: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 111.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 925.3 MB in the beginning and 1.1 GB in the end (delta: -198.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1640.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 876.7 MB in the end (delta: 241.9 MB). Peak memory consumption was 241.9 MB. Max. memory is 11.5 GB. * CodeCheck took 152652.73 ms. Allocated memory was 1.2 GB in the beginning and 4.3 GB in the end (delta: 3.2 GB). Free memory was 876.7 MB in the beginning and 3.3 GB in the end (delta: -2.4 GB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. * Witness Printer took 107.18 ms. Allocated memory is still 4.3 GB. Free memory is still 3.3 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...