./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label01_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_97b28d71-1b29-43fc-974d-f4886ffa79fe/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_97b28d71-1b29-43fc-974d-f4886ffa79fe/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_97b28d71-1b29-43fc-974d-f4886ffa79fe/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_97b28d71-1b29-43fc-974d-f4886ffa79fe/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label01_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_97b28d71-1b29-43fc-974d-f4886ffa79fe/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_97b28d71-1b29-43fc-974d-f4886ffa79fe/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 dab50d57c53f23a15c1109c01d840c6793808077 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:28:20,535 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:28:20,536 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:28:20,545 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:28:20,545 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:28:20,545 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:28:20,546 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:28:20,548 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:28:20,549 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:28:20,549 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:28:20,550 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:28:20,550 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:28:20,551 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:28:20,552 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:28:20,552 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:28:20,553 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:28:20,554 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:28:20,555 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:28:20,556 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:28:20,557 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:28:20,558 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:28:20,559 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:28:20,561 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:28:20,561 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:28:20,561 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:28:20,562 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:28:20,563 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:28:20,563 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:28:20,564 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:28:20,565 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:28:20,565 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:28:20,565 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:28:20,566 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:28:20,566 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:28:20,567 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:28:20,567 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:28:20,567 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_97b28d71-1b29-43fc-974d-f4886ffa79fe/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-27 00:28:20,578 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:28:20,579 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:28:20,579 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:28:20,579 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:28:20,580 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:28:20,580 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:28:20,580 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:28:20,580 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:28:20,581 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:28:20,581 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:28:20,581 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:28:20,581 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:28:20,581 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:28:20,581 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:28:20,581 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:28:20,581 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:28:20,582 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:28:20,582 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:28:20,582 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:28:20,582 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:28:20,582 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:28:20,582 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:28:20,583 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:28:20,583 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:28:20,583 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:28:20,583 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 00:28:20,583 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:28:20,583 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:28:20,584 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_97b28d71-1b29-43fc-974d-f4886ffa79fe/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 -> dab50d57c53f23a15c1109c01d840c6793808077 [2018-10-27 00:28:20,618 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:28:20,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:28:20,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:28:20,636 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:28:20,636 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:28:20,637 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_97b28d71-1b29-43fc-974d-f4886ffa79fe/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label01_true-unreach-call_false-termination.c [2018-10-27 00:28:20,689 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97b28d71-1b29-43fc-974d-f4886ffa79fe/bin-2019/ukojak/data/457e921af/0b3d9b1d51924aee921d741f3e2f26e4/FLAG3c63f85f3 [2018-10-27 00:28:21,142 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:28:21,143 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_97b28d71-1b29-43fc-974d-f4886ffa79fe/sv-benchmarks/c/eca-rers2012/Problem01_label01_true-unreach-call_false-termination.c [2018-10-27 00:28:21,154 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_97b28d71-1b29-43fc-974d-f4886ffa79fe/bin-2019/ukojak/data/457e921af/0b3d9b1d51924aee921d741f3e2f26e4/FLAG3c63f85f3 [2018-10-27 00:28:21,165 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_97b28d71-1b29-43fc-974d-f4886ffa79fe/bin-2019/ukojak/data/457e921af/0b3d9b1d51924aee921d741f3e2f26e4 [2018-10-27 00:28:21,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:28:21,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:28:21,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:28:21,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:28:21,174 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:28:21,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:28:21" (1/1) ... [2018-10-27 00:28:21,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c17ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:21, skipping insertion in model container [2018-10-27 00:28:21,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:28:21" (1/1) ... [2018-10-27 00:28:21,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:28:21,227 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:28:21,509 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:28:21,512 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:28:21,613 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:28:21,630 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:28:21,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:21 WrapperNode [2018-10-27 00:28:21,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:28:21,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:28:21,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:28:21,632 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:28:21,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:21" (1/1) ... [2018-10-27 00:28:21,665 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:21" (1/1) ... [2018-10-27 00:28:21,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:28:21,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:28:21,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:28:21,876 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:28:21,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:21" (1/1) ... [2018-10-27 00:28:21,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:21" (1/1) ... [2018-10-27 00:28:21,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:21" (1/1) ... [2018-10-27 00:28:21,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:21" (1/1) ... [2018-10-27 00:28:21,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:21" (1/1) ... [2018-10-27 00:28:21,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:21" (1/1) ... [2018-10-27 00:28:21,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:21" (1/1) ... [2018-10-27 00:28:21,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:28:21,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:28:21,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:28:21,941 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:28:21,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:28:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_97b28d71-1b29-43fc-974d-f4886ffa79fe/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 [2018-10-27 00:28:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-27 00:28:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:28:21,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:28:25,672 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:28:25,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:28:25 BoogieIcfgContainer [2018-10-27 00:28:25,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:28:25,673 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:28:25,674 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:28:25,684 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:28:25,684 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:28:25" (1/1) ... [2018-10-27 00:28:25,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:28:25,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:25,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-10-27 00:28:25,732 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-10-27 00:28:25,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-27 00:28:25,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:26,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:28:27,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:27,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 147 states and 246 transitions. [2018-10-27 00:28:27,205 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 246 transitions. [2018-10-27 00:28:27,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-27 00:28:27,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:27,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:28:27,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:27,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 148 states and 247 transitions. [2018-10-27 00:28:27,849 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 247 transitions. [2018-10-27 00:28:27,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-27 00:28:27,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:28:28,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:28,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 153 states and 256 transitions. [2018-10-27 00:28:28,105 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 256 transitions. [2018-10-27 00:28:28,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-27 00:28:28,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:28,401 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:28:28,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:28,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 158 states and 264 transitions. [2018-10-27 00:28:28,704 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 264 transitions. [2018-10-27 00:28:28,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-27 00:28:28,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:28,728 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:28:28,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:28,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 159 states and 265 transitions. [2018-10-27 00:28:28,920 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 265 transitions. [2018-10-27 00:28:28,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-27 00:28:28,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:29,029 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 00:28:29,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:29,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 172 states and 287 transitions. [2018-10-27 00:28:29,401 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 287 transitions. [2018-10-27 00:28:29,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-27 00:28:29,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:29,513 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:28:30,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:30,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 187 states and 310 transitions. [2018-10-27 00:28:30,029 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 310 transitions. [2018-10-27 00:28:30,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-27 00:28:30,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:30,243 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 00:28:30,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:30,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 198 states and 327 transitions. [2018-10-27 00:28:30,894 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 327 transitions. [2018-10-27 00:28:30,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-27 00:28:30,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:30,934 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:28:31,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:31,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 206 states and 337 transitions. [2018-10-27 00:28:31,078 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 337 transitions. [2018-10-27 00:28:31,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-27 00:28:31,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:31,190 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:28:32,121 WARN L179 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 13 [2018-10-27 00:28:32,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:32,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 222 states and 362 transitions. [2018-10-27 00:28:32,966 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 362 transitions. [2018-10-27 00:28:32,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-27 00:28:32,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:33,015 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:28:33,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:33,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 229 states and 373 transitions. [2018-10-27 00:28:33,522 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 373 transitions. [2018-10-27 00:28:33,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-27 00:28:33,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:33,611 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 00:28:34,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:34,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 241 states and 394 transitions. [2018-10-27 00:28:34,242 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 394 transitions. [2018-10-27 00:28:34,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-27 00:28:34,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:34,278 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 00:28:34,720 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-27 00:28:35,413 WARN L179 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2018-10-27 00:28:36,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:36,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 248 states and 404 transitions. [2018-10-27 00:28:36,030 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 404 transitions. [2018-10-27 00:28:36,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-27 00:28:36,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:36,057 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 00:28:36,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:36,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 252 states and 408 transitions. [2018-10-27 00:28:36,452 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 408 transitions. [2018-10-27 00:28:36,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-27 00:28:36,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:36,531 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:28:36,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:36,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 257 states and 415 transitions. [2018-10-27 00:28:36,727 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 415 transitions. [2018-10-27 00:28:36,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-27 00:28:36,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:36,751 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:28:36,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:36,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 258 states and 417 transitions. [2018-10-27 00:28:36,882 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 417 transitions. [2018-10-27 00:28:36,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-27 00:28:36,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:36,925 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:28:37,432 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-27 00:28:37,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:37,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 267 states and 425 transitions. [2018-10-27 00:28:37,582 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 425 transitions. [2018-10-27 00:28:37,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-27 00:28:37,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:37,622 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:28:37,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:37,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 271 states and 428 transitions. [2018-10-27 00:28:37,846 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 428 transitions. [2018-10-27 00:28:37,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-27 00:28:37,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:37,866 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:28:38,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:38,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 284 states and 444 transitions. [2018-10-27 00:28:38,293 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 444 transitions. [2018-10-27 00:28:38,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-27 00:28:38,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:38,388 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-27 00:28:38,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:38,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 296 states and 465 transitions. [2018-10-27 00:28:38,980 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 465 transitions. [2018-10-27 00:28:38,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-27 00:28:38,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:39,005 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-27 00:28:39,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:39,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 297 states and 467 transitions. [2018-10-27 00:28:39,165 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 467 transitions. [2018-10-27 00:28:39,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-27 00:28:39,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:39,195 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:28:39,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:39,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 304 states and 475 transitions. [2018-10-27 00:28:39,561 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 475 transitions. [2018-10-27 00:28:39,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-27 00:28:39,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:39,664 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:28:40,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:40,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 321 states and 494 transitions. [2018-10-27 00:28:40,198 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 494 transitions. [2018-10-27 00:28:40,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-27 00:28:40,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:40,227 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:28:40,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:40,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 333 states and 511 transitions. [2018-10-27 00:28:40,694 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 511 transitions. [2018-10-27 00:28:40,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-27 00:28:40,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:40,727 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:28:40,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:40,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 334 states and 513 transitions. [2018-10-27 00:28:40,963 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 513 transitions. [2018-10-27 00:28:40,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-27 00:28:40,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:40,993 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:28:41,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:41,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 336 states and 515 transitions. [2018-10-27 00:28:41,351 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 515 transitions. [2018-10-27 00:28:41,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-27 00:28:41,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:41,451 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:28:41,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:41,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 342 states and 531 transitions. [2018-10-27 00:28:41,786 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 531 transitions. [2018-10-27 00:28:41,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-27 00:28:41,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:42,003 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-27 00:28:43,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:43,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 435 states and 638 transitions. [2018-10-27 00:28:43,274 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 638 transitions. [2018-10-27 00:28:43,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-27 00:28:43,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:44,689 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:28:45,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:45,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 453 states and 661 transitions. [2018-10-27 00:28:45,426 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 661 transitions. [2018-10-27 00:28:45,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-27 00:28:45,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:45,459 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-27 00:28:46,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:46,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 460 states and 669 transitions. [2018-10-27 00:28:46,313 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 669 transitions. [2018-10-27 00:28:46,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-27 00:28:46,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:46,348 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-27 00:28:46,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:46,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 464 states and 672 transitions. [2018-10-27 00:28:46,835 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 672 transitions. [2018-10-27 00:28:46,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-27 00:28:46,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:46,867 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-27 00:28:47,789 WARN L179 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-10-27 00:28:49,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:49,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 472 states and 679 transitions. [2018-10-27 00:28:49,574 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 679 transitions. [2018-10-27 00:28:49,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-27 00:28:49,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:49,604 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:28:50,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:50,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 477 states and 685 transitions. [2018-10-27 00:28:50,132 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 685 transitions. [2018-10-27 00:28:50,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-27 00:28:50,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:50,168 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-27 00:28:50,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:50,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 487 states and 697 transitions. [2018-10-27 00:28:50,899 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 697 transitions. [2018-10-27 00:28:50,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-27 00:28:50,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:50,951 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:28:50,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:50,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 495 states and 705 transitions. [2018-10-27 00:28:50,987 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 705 transitions. [2018-10-27 00:28:50,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-27 00:28:50,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:51,137 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:28:51,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:51,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 515 states and 728 transitions. [2018-10-27 00:28:51,429 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 728 transitions. [2018-10-27 00:28:51,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-27 00:28:51,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:51,497 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:28:51,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:51,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 538 states and 752 transitions. [2018-10-27 00:28:51,586 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 752 transitions. [2018-10-27 00:28:51,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-27 00:28:51,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:51,889 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:28:52,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:52,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 558 states and 783 transitions. [2018-10-27 00:28:52,649 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 783 transitions. [2018-10-27 00:28:52,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-27 00:28:52,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:52,896 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:28:54,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:54,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 604 states and 849 transitions. [2018-10-27 00:28:54,604 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 849 transitions. [2018-10-27 00:28:54,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-27 00:28:54,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:54,755 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-27 00:28:55,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:55,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 610 states and 858 transitions. [2018-10-27 00:28:55,002 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 858 transitions. [2018-10-27 00:28:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-27 00:28:55,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:55,028 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:28:55,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:55,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 619 states and 867 transitions. [2018-10-27 00:28:55,410 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 867 transitions. [2018-10-27 00:28:55,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-27 00:28:55,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:55,490 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:28:55,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:55,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 630 states and 878 transitions. [2018-10-27 00:28:55,974 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 878 transitions. [2018-10-27 00:28:55,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-27 00:28:55,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:56,028 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:28:57,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:57,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 671 states and 929 transitions. [2018-10-27 00:28:57,009 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 929 transitions. [2018-10-27 00:28:57,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-27 00:28:57,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:57,083 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:28:57,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:57,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 672 states and 929 transitions. [2018-10-27 00:28:57,267 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 929 transitions. [2018-10-27 00:28:57,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 00:28:57,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:57,300 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:28:57,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:57,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 692 states and 955 transitions. [2018-10-27 00:28:57,826 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 955 transitions. [2018-10-27 00:28:57,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 00:28:57,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:57,861 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:28:58,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:58,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 715 states and 980 transitions. [2018-10-27 00:28:58,235 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 980 transitions. [2018-10-27 00:28:58,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 00:28:58,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:58,270 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:28:58,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:58,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 732 states and 997 transitions. [2018-10-27 00:28:58,819 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 997 transitions. [2018-10-27 00:28:58,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 00:28:58,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:58,847 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:28:58,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:58,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 740 states and 1004 transitions. [2018-10-27 00:28:58,911 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1004 transitions. [2018-10-27 00:28:58,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 00:28:58,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:58,943 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:28:59,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:59,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 741 states and 1004 transitions. [2018-10-27 00:28:59,151 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1004 transitions. [2018-10-27 00:28:59,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-27 00:28:59,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:59,477 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:28:59,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:28:59,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 747 states and 1015 transitions. [2018-10-27 00:28:59,869 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1015 transitions. [2018-10-27 00:28:59,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-27 00:28:59,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:28:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:28:59,899 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-10-27 00:29:00,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:00,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 765 states and 1035 transitions. [2018-10-27 00:29:00,272 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1035 transitions. [2018-10-27 00:29:00,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-27 00:29:00,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:00,672 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-27 00:29:02,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:02,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 790 states and 1068 transitions. [2018-10-27 00:29:02,793 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1068 transitions. [2018-10-27 00:29:02,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-27 00:29:02,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:02,916 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-10-27 00:29:03,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:03,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 805 states and 1086 transitions. [2018-10-27 00:29:03,650 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1086 transitions. [2018-10-27 00:29:03,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-27 00:29:03,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:03,980 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-10-27 00:29:04,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:04,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 813 states and 1095 transitions. [2018-10-27 00:29:04,201 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1095 transitions. [2018-10-27 00:29:04,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-27 00:29:04,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:04,264 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-27 00:29:05,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:05,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 830 states and 1115 transitions. [2018-10-27 00:29:05,053 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1115 transitions. [2018-10-27 00:29:05,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-27 00:29:05,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:05,087 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-27 00:29:05,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:05,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 841 states and 1126 transitions. [2018-10-27 00:29:05,589 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1126 transitions. [2018-10-27 00:29:05,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-27 00:29:05,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:05,626 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:29:06,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:06,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 857 states and 1146 transitions. [2018-10-27 00:29:06,605 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1146 transitions. [2018-10-27 00:29:06,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-27 00:29:06,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:06,636 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-10-27 00:29:07,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:07,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 878 states and 1171 transitions. [2018-10-27 00:29:07,586 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1171 transitions. [2018-10-27 00:29:07,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-27 00:29:07,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:07,626 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-27 00:29:07,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:07,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 912 states and 1209 transitions. [2018-10-27 00:29:07,965 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1209 transitions. [2018-10-27 00:29:07,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-27 00:29:07,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:08,013 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-27 00:29:08,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:08,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 913 states and 1209 transitions. [2018-10-27 00:29:08,128 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1209 transitions. [2018-10-27 00:29:08,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-27 00:29:08,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:08,170 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-27 00:29:08,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:08,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 918 states and 1214 transitions. [2018-10-27 00:29:08,458 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1214 transitions. [2018-10-27 00:29:08,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-27 00:29:08,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:08,515 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-27 00:29:08,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:08,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 923 states and 1219 transitions. [2018-10-27 00:29:08,798 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1219 transitions. [2018-10-27 00:29:08,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-10-27 00:29:08,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:08,843 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-27 00:29:09,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:09,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 943 states and 1249 transitions. [2018-10-27 00:29:09,979 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1249 transitions. [2018-10-27 00:29:09,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-27 00:29:09,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:10,012 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-27 00:29:10,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:10,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 962 states and 1272 transitions. [2018-10-27 00:29:10,532 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1272 transitions. [2018-10-27 00:29:10,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-27 00:29:10,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:10,603 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-27 00:29:10,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:10,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 967 states and 1277 transitions. [2018-10-27 00:29:10,765 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1277 transitions. [2018-10-27 00:29:10,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-27 00:29:10,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:10,814 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-27 00:29:11,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:11,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 991 states and 1299 transitions. [2018-10-27 00:29:11,380 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1299 transitions. [2018-10-27 00:29:11,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-27 00:29:11,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-10-27 00:29:11,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:11,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 994 states and 1302 transitions. [2018-10-27 00:29:11,977 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1302 transitions. [2018-10-27 00:29:11,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-27 00:29:11,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:12,014 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-10-27 00:29:12,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:12,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1014 states and 1324 transitions. [2018-10-27 00:29:12,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1324 transitions. [2018-10-27 00:29:12,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-27 00:29:12,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:12,448 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-10-27 00:29:12,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:12,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1030 states and 1340 transitions. [2018-10-27 00:29:12,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1340 transitions. [2018-10-27 00:29:12,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-27 00:29:12,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:12,833 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-10-27 00:29:13,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:13,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1031 states and 1341 transitions. [2018-10-27 00:29:13,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1341 transitions. [2018-10-27 00:29:13,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-27 00:29:13,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:13,059 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-27 00:29:13,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:13,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1036 states and 1347 transitions. [2018-10-27 00:29:13,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1347 transitions. [2018-10-27 00:29:13,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-27 00:29:13,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:13,330 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:29:13,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:13,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1041 states and 1352 transitions. [2018-10-27 00:29:13,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1352 transitions. [2018-10-27 00:29:13,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-27 00:29:13,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:13,949 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 113 proven. 11 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:29:16,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:16,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1120 states and 1436 transitions. [2018-10-27 00:29:16,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1436 transitions. [2018-10-27 00:29:16,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-27 00:29:16,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:17,132 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 171 proven. 10 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-10-27 00:29:19,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:19,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1156 states and 1480 transitions. [2018-10-27 00:29:19,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1480 transitions. [2018-10-27 00:29:19,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-27 00:29:19,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:19,816 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 00:29:21,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:21,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1191 states and 1527 transitions. [2018-10-27 00:29:21,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1527 transitions. [2018-10-27 00:29:21,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-27 00:29:21,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:21,550 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-10-27 00:29:21,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:21,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1193 states and 1529 transitions. [2018-10-27 00:29:21,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1529 transitions. [2018-10-27 00:29:21,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-27 00:29:21,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:23,146 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-27 00:29:25,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:25,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1246 states and 1584 transitions. [2018-10-27 00:29:25,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1584 transitions. [2018-10-27 00:29:25,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-27 00:29:25,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:25,775 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-10-27 00:29:27,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:27,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1284 states and 1634 transitions. [2018-10-27 00:29:27,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1634 transitions. [2018-10-27 00:29:27,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-27 00:29:27,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:27,707 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-10-27 00:29:28,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:28,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1294 states and 1643 transitions. [2018-10-27 00:29:28,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1643 transitions. [2018-10-27 00:29:28,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-27 00:29:28,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:28,170 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 00:29:28,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:28,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1299 states and 1648 transitions. [2018-10-27 00:29:28,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1648 transitions. [2018-10-27 00:29:28,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-27 00:29:28,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:28,499 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 00:29:29,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:29,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1301 states and 1651 transitions. [2018-10-27 00:29:29,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1651 transitions. [2018-10-27 00:29:29,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-27 00:29:29,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:29,108 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-27 00:29:31,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:31,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1367 states and 1720 transitions. [2018-10-27 00:29:31,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1720 transitions. [2018-10-27 00:29:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-27 00:29:31,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:31,370 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-27 00:29:31,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:31,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1377 states and 1729 transitions. [2018-10-27 00:29:31,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1729 transitions. [2018-10-27 00:29:31,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-27 00:29:31,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:31,814 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-27 00:29:32,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:32,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1378 states and 1730 transitions. [2018-10-27 00:29:32,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1730 transitions. [2018-10-27 00:29:32,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-27 00:29:32,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:32,237 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-27 00:29:32,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:32,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1395 states and 1746 transitions. [2018-10-27 00:29:32,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1746 transitions. [2018-10-27 00:29:32,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-27 00:29:32,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:32,907 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-27 00:29:33,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:33,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1414 states and 1766 transitions. [2018-10-27 00:29:33,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1766 transitions. [2018-10-27 00:29:33,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-27 00:29:33,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:33,621 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-27 00:29:33,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:33,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 1416 states and 1769 transitions. [2018-10-27 00:29:33,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1769 transitions. [2018-10-27 00:29:33,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-27 00:29:33,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:33,867 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-27 00:29:34,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:34,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1436 states and 1789 transitions. [2018-10-27 00:29:34,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 1789 transitions. [2018-10-27 00:29:34,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-27 00:29:34,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:34,128 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-27 00:29:34,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:34,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1453 states and 1805 transitions. [2018-10-27 00:29:34,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 1805 transitions. [2018-10-27 00:29:34,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-27 00:29:34,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:34,504 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-27 00:29:35,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:35,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1463 states and 1815 transitions. [2018-10-27 00:29:35,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1815 transitions. [2018-10-27 00:29:35,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-27 00:29:35,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:35,203 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-27 00:29:35,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:35,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1468 states and 1822 transitions. [2018-10-27 00:29:35,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1822 transitions. [2018-10-27 00:29:35,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-27 00:29:35,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:35,649 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-27 00:29:35,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:35,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1473 states and 1829 transitions. [2018-10-27 00:29:35,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1829 transitions. [2018-10-27 00:29:35,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-27 00:29:35,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:35,995 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:29:37,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:37,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1497 states and 1858 transitions. [2018-10-27 00:29:37,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1858 transitions. [2018-10-27 00:29:37,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-27 00:29:37,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:37,403 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:29:38,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:38,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1518 states and 1886 transitions. [2018-10-27 00:29:38,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1886 transitions. [2018-10-27 00:29:38,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-27 00:29:38,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:39,010 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:29:39,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:39,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1519 states and 1886 transitions. [2018-10-27 00:29:39,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1886 transitions. [2018-10-27 00:29:39,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-10-27 00:29:39,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:39,406 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 00:29:39,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:39,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1524 states and 1892 transitions. [2018-10-27 00:29:39,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1524 states and 1892 transitions. [2018-10-27 00:29:39,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-27 00:29:39,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:39,982 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-27 00:29:40,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:40,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1529 states and 1896 transitions. [2018-10-27 00:29:40,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1896 transitions. [2018-10-27 00:29:40,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-27 00:29:40,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:40,367 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:29:40,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:40,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1546 states and 1912 transitions. [2018-10-27 00:29:40,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 1912 transitions. [2018-10-27 00:29:40,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-27 00:29:40,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:40,770 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-27 00:29:41,582 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-10-27 00:29:42,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:42,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1944 states to 1571 states and 1944 transitions. [2018-10-27 00:29:42,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 1944 transitions. [2018-10-27 00:29:42,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-27 00:29:42,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:42,618 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-27 00:29:44,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:44,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1964 states to 1591 states and 1964 transitions. [2018-10-27 00:29:44,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 1964 transitions. [2018-10-27 00:29:44,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-27 00:29:44,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:44,090 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-27 00:29:44,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:44,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 1601 states and 1973 transitions. [2018-10-27 00:29:44,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 1973 transitions. [2018-10-27 00:29:44,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-27 00:29:44,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:44,552 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-27 00:29:44,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:44,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 1602 states and 1973 transitions. [2018-10-27 00:29:44,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 1973 transitions. [2018-10-27 00:29:44,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-27 00:29:44,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:44,858 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-27 00:29:45,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:45,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1604 states and 1975 transitions. [2018-10-27 00:29:45,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 1975 transitions. [2018-10-27 00:29:45,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-27 00:29:45,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:45,406 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-10-27 00:29:46,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:46,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1996 states to 1624 states and 1996 transitions. [2018-10-27 00:29:46,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 1996 transitions. [2018-10-27 00:29:46,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-27 00:29:46,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:46,252 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-10-27 00:29:46,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:46,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 1626 states and 1998 transitions. [2018-10-27 00:29:46,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 1998 transitions. [2018-10-27 00:29:46,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-10-27 00:29:46,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:46,894 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-10-27 00:29:47,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:47,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 1637 states and 2008 transitions. [2018-10-27 00:29:47,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2008 transitions. [2018-10-27 00:29:47,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-27 00:29:47,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:47,631 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-27 00:29:47,822 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 22 [2018-10-27 00:29:48,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:48,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 1642 states and 2013 transitions. [2018-10-27 00:29:48,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2013 transitions. [2018-10-27 00:29:48,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-27 00:29:48,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:48,690 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-27 00:29:49,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:49,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2033 states to 1660 states and 2033 transitions. [2018-10-27 00:29:49,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2033 transitions. [2018-10-27 00:29:49,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-10-27 00:29:49,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:49,887 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-27 00:29:50,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:50,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 1666 states and 2039 transitions. [2018-10-27 00:29:50,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2039 transitions. [2018-10-27 00:29:50,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-27 00:29:50,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:52,462 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-27 00:29:58,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:29:58,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 1756 states and 2135 transitions. [2018-10-27 00:29:58,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 2135 transitions. [2018-10-27 00:29:58,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-27 00:29:58,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:29:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:29:59,113 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-27 00:30:00,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:00,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 1772 states and 2150 transitions. [2018-10-27 00:30:00,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1772 states and 2150 transitions. [2018-10-27 00:30:00,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-27 00:30:00,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:00,442 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-27 00:30:00,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:00,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 1775 states and 2152 transitions. [2018-10-27 00:30:00,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2152 transitions. [2018-10-27 00:30:00,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-27 00:30:00,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:00,690 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-27 00:30:01,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:01,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 1801 states and 2182 transitions. [2018-10-27 00:30:01,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 2182 transitions. [2018-10-27 00:30:01,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-27 00:30:01,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:02,027 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-27 00:30:03,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:03,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 1858 states and 2239 transitions. [2018-10-27 00:30:03,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 2239 transitions. [2018-10-27 00:30:03,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-27 00:30:03,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:03,807 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-27 00:30:04,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:04,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 1860 states and 2239 transitions. [2018-10-27 00:30:04,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2239 transitions. [2018-10-27 00:30:04,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-27 00:30:04,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:04,540 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-27 00:30:05,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:05,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 1867 states and 2246 transitions. [2018-10-27 00:30:05,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 2246 transitions. [2018-10-27 00:30:05,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-27 00:30:05,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:05,100 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-10-27 00:30:05,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:05,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 1868 states and 2246 transitions. [2018-10-27 00:30:05,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2246 transitions. [2018-10-27 00:30:05,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-27 00:30:05,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:05,518 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-27 00:30:05,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:05,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 1875 states and 2251 transitions. [2018-10-27 00:30:05,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2251 transitions. [2018-10-27 00:30:05,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-27 00:30:05,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:05,647 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-27 00:30:05,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:05,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 1882 states and 2256 transitions. [2018-10-27 00:30:05,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2256 transitions. [2018-10-27 00:30:05,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-27 00:30:05,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:05,932 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-27 00:30:06,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:06,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2260 states to 1887 states and 2260 transitions. [2018-10-27 00:30:06,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2260 transitions. [2018-10-27 00:30:06,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-27 00:30:06,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:06,398 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 190 proven. 5 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-10-27 00:30:07,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:07,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 1963 states and 2341 transitions. [2018-10-27 00:30:07,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1963 states and 2341 transitions. [2018-10-27 00:30:07,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-27 00:30:07,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:08,275 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 136 proven. 27 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-10-27 00:30:09,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:09,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2353 states to 1973 states and 2353 transitions. [2018-10-27 00:30:09,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1973 states and 2353 transitions. [2018-10-27 00:30:09,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-27 00:30:09,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:09,702 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 136 proven. 27 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-10-27 00:30:10,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:10,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 1978 states and 2358 transitions. [2018-10-27 00:30:10,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2358 transitions. [2018-10-27 00:30:10,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-10-27 00:30:10,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:10,155 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-10-27 00:30:10,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:10,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 1983 states and 2364 transitions. [2018-10-27 00:30:10,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 2364 transitions. [2018-10-27 00:30:10,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-27 00:30:10,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:10,604 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-27 00:30:11,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:11,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 1987 states and 2367 transitions. [2018-10-27 00:30:11,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 2367 transitions. [2018-10-27 00:30:11,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-10-27 00:30:11,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:11,214 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-10-27 00:30:12,146 WARN L179 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2018-10-27 00:30:13,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:13,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2393 states to 2011 states and 2393 transitions. [2018-10-27 00:30:13,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 2393 transitions. [2018-10-27 00:30:13,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-10-27 00:30:13,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:13,416 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-10-27 00:30:13,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:13,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2408 states to 2027 states and 2408 transitions. [2018-10-27 00:30:13,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2408 transitions. [2018-10-27 00:30:13,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-10-27 00:30:13,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:13,895 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-10-27 00:30:14,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:14,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2034 states and 2414 transitions. [2018-10-27 00:30:14,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 2414 transitions. [2018-10-27 00:30:14,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-27 00:30:14,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:14,485 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-10-27 00:30:14,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:14,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 2040 states and 2419 transitions. [2018-10-27 00:30:14,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 2419 transitions. [2018-10-27 00:30:14,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-27 00:30:14,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:16,320 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 403 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-27 00:30:20,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:20,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2087 states and 2474 transitions. [2018-10-27 00:30:20,625 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 2474 transitions. [2018-10-27 00:30:20,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-27 00:30:20,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:20,802 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 403 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-27 00:30:22,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:22,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2096 states and 2483 transitions. [2018-10-27 00:30:22,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 2483 transitions. [2018-10-27 00:30:22,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-27 00:30:22,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:22,133 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 326 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-27 00:30:24,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:24,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 2160 states and 2559 transitions. [2018-10-27 00:30:24,824 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 2559 transitions. [2018-10-27 00:30:24,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-27 00:30:24,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:24,921 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2018-10-27 00:30:26,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:26,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2634 states to 2231 states and 2634 transitions. [2018-10-27 00:30:26,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2634 transitions. [2018-10-27 00:30:26,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-10-27 00:30:26,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:26,262 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-10-27 00:30:28,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:28,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2251 states and 2667 transitions. [2018-10-27 00:30:28,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 2667 transitions. [2018-10-27 00:30:28,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-10-27 00:30:28,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:28,538 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-10-27 00:30:29,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:29,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 2261 states and 2680 transitions. [2018-10-27 00:30:29,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2680 transitions. [2018-10-27 00:30:29,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-10-27 00:30:29,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:29,891 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-10-27 00:30:30,571 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2018-10-27 00:30:30,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:30,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2267 states and 2689 transitions. [2018-10-27 00:30:30,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 2689 transitions. [2018-10-27 00:30:30,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-10-27 00:30:30,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:30,977 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-10-27 00:30:31,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:31,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 2275 states and 2696 transitions. [2018-10-27 00:30:31,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2275 states and 2696 transitions. [2018-10-27 00:30:31,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-10-27 00:30:31,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:31,565 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 301 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-10-27 00:30:31,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:31,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2700 states to 2280 states and 2700 transitions. [2018-10-27 00:30:31,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 2700 transitions. [2018-10-27 00:30:31,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-10-27 00:30:31,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:31,708 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 301 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-10-27 00:30:32,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:32,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2711 states to 2293 states and 2711 transitions. [2018-10-27 00:30:32,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2293 states and 2711 transitions. [2018-10-27 00:30:32,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-10-27 00:30:32,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:32,264 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 301 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-10-27 00:30:32,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:32,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2713 states to 2296 states and 2713 transitions. [2018-10-27 00:30:32,507 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 2713 transitions. [2018-10-27 00:30:32,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-10-27 00:30:32,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:32,587 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-10-27 00:30:34,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:34,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2735 states to 2320 states and 2735 transitions. [2018-10-27 00:30:34,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2320 states and 2735 transitions. [2018-10-27 00:30:34,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-10-27 00:30:34,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:35,016 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-10-27 00:30:35,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:35,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2323 states and 2737 transitions. [2018-10-27 00:30:35,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2323 states and 2737 transitions. [2018-10-27 00:30:35,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-27 00:30:35,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:37,411 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-10-27 00:30:40,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:40,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2348 states and 2766 transitions. [2018-10-27 00:30:40,326 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 2766 transitions. [2018-10-27 00:30:40,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-10-27 00:30:40,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:40,415 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-10-27 00:30:40,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:40,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2353 states and 2770 transitions. [2018-10-27 00:30:40,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2353 states and 2770 transitions. [2018-10-27 00:30:40,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-10-27 00:30:40,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:41,745 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 396 proven. 175 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-10-27 00:30:46,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:46,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 2415 states and 2845 transitions. [2018-10-27 00:30:46,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2415 states and 2845 transitions. [2018-10-27 00:30:46,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-10-27 00:30:46,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:47,019 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 396 proven. 175 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-10-27 00:30:47,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:47,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 2421 states and 2854 transitions. [2018-10-27 00:30:47,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2421 states and 2854 transitions. [2018-10-27 00:30:47,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-10-27 00:30:47,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:48,206 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 396 proven. 175 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-10-27 00:30:48,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:48,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2858 states to 2422 states and 2858 transitions. [2018-10-27 00:30:48,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2422 states and 2858 transitions. [2018-10-27 00:30:48,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-10-27 00:30:48,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:48,937 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 396 proven. 175 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-10-27 00:30:49,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:49,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2868 states to 2432 states and 2868 transitions. [2018-10-27 00:30:49,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2432 states and 2868 transitions. [2018-10-27 00:30:49,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-10-27 00:30:49,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:50,230 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 396 proven. 175 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-10-27 00:30:50,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:50,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 2436 states and 2871 transitions. [2018-10-27 00:30:50,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 2871 transitions. [2018-10-27 00:30:50,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-10-27 00:30:50,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:50,711 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 472 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2018-10-27 00:30:51,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:51,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 2444 states and 2879 transitions. [2018-10-27 00:30:51,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 2879 transitions. [2018-10-27 00:30:51,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-10-27 00:30:51,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:51,132 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 367 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-10-27 00:30:53,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:30:53,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2485 states and 2920 transitions. [2018-10-27 00:30:53,022 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 2920 transitions. [2018-10-27 00:30:53,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-10-27 00:30:53,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:30:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:30:55,698 INFO L134 CoverageAnalysis]: Checked inductivity of 754 backedges. 608 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-10-27 00:31:08,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:31:08,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3121 states to 2652 states and 3121 transitions. [2018-10-27 00:31:08,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 3121 transitions. [2018-10-27 00:31:08,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-10-27 00:31:08,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:31:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:31:08,513 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 396 proven. 5 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2018-10-27 00:31:10,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:31:10,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 2661 states and 3133 transitions. [2018-10-27 00:31:10,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 3133 transitions. [2018-10-27 00:31:10,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2018-10-27 00:31:10,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:31:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:31:10,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 594 proven. 10 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2018-10-27 00:31:14,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:31:14,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 2584 states and 3043 transitions. [2018-10-27 00:31:14,603 INFO L276 IsEmpty]: Start isEmpty. Operand 2584 states and 3043 transitions. [2018-10-27 00:31:14,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:31:14,605 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 155 iterations. [2018-10-27 00:31:14,613 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-27 00:31:14,732 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 31 [2018-10-27 00:31:14,969 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 38 [2018-10-27 00:31:15,159 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 36 [2018-10-27 00:31:15,307 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 35 [2018-10-27 00:31:15,540 WARN L179 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 26 [2018-10-27 00:31:15,736 WARN L179 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 38 [2018-10-27 00:31:15,894 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 38 [2018-10-27 00:31:16,145 WARN L179 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 12 [2018-10-27 00:31:16,323 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 26 [2018-10-27 00:31:16,448 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 35 [2018-10-27 00:31:16,637 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 38 [2018-10-27 00:31:16,858 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 38 [2018-10-27 00:31:17,031 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 38 [2018-10-27 00:31:17,227 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2018-10-27 00:31:17,452 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 38 [2018-10-27 00:31:17,643 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 36 [2018-10-27 00:31:17,759 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 35 [2018-10-27 00:31:18,464 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 26 [2018-10-27 00:31:18,780 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 35 [2018-10-27 00:31:18,994 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 38 [2018-10-27 00:31:19,220 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 35 [2018-10-27 00:31:19,364 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 35 [2018-10-27 00:31:19,480 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 35 [2018-10-27 00:31:19,750 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 26 [2018-10-27 00:31:19,872 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 31 [2018-10-27 00:31:20,441 WARN L179 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 38 [2018-10-27 00:31:20,677 WARN L179 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 38 [2018-10-27 00:31:21,110 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 36 [2018-10-27 00:31:21,260 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 36 [2018-10-27 00:31:21,369 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 36 [2018-10-27 00:31:21,490 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 35 [2018-10-27 00:31:21,867 WARN L179 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 38 [2018-10-27 00:31:21,867 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:31:21,869 INFO L582 CodeCheckObserver]: Invariant with dag size 26 [2018-10-27 00:31:21,875 INFO L582 CodeCheckObserver]: Invariant with dag size 26 [2018-10-27 00:31:21,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 12:31:21 ImpRootNode [2018-10-27 00:31:21,876 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 00:31:21,877 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:31:21,877 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:31:21,877 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:31:21,878 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:28:25" (3/4) ... [2018-10-27 00:31:21,881 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:31:21,898 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-10-27 00:31:21,899 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-10-27 00:31:21,900 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-10-27 00:31:21,902 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 00:31:22,001 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_97b28d71-1b29-43fc-974d-f4886ffa79fe/bin-2019/ukojak/witness.graphml [2018-10-27 00:31:22,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:31:22,002 INFO L168 Benchmark]: Toolchain (without parser) took 180833.81 ms. Allocated memory was 1.0 GB in the beginning and 3.4 GB in the end (delta: 2.4 GB). Free memory was 957.0 MB in the beginning and 3.0 GB in the end (delta: -2.1 GB). Peak memory consumption was 264.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:31:22,003 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:31:22,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 460.80 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 927.5 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:31:22,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 243.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 927.5 MB in the beginning and 1.1 GB in the end (delta: -219.9 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-10-27 00:31:22,006 INFO L168 Benchmark]: Boogie Preprocessor took 65.00 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:31:22,006 INFO L168 Benchmark]: RCFGBuilder took 3732.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 915.9 MB in the end (delta: 228.8 MB). Peak memory consumption was 228.8 MB. Max. memory is 11.5 GB. [2018-10-27 00:31:22,006 INFO L168 Benchmark]: CodeCheck took 176202.24 ms. Allocated memory was 1.2 GB in the beginning and 3.4 GB in the end (delta: 2.2 GB). Free memory was 915.9 MB in the beginning and 3.0 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-10-27 00:31:22,006 INFO L168 Benchmark]: Witness Printer took 124.68 ms. Allocated memory is still 3.4 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 3.0 kB). Peak memory consumption was 3.0 kB. Max. memory is 11.5 GB. [2018-10-27 00:31:22,011 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 168.8s OverallTime, 155 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 146813020 SDtfs, 1169840430 SDslu, 1174495946 SDs, 0 SdLazy, -1899988104 SolverSat, -983191356 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 822.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 195887 GetRequests, 192230 SyntacticMatches, 2165 SemanticMatches, 1492 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1599548 ImplicationChecksByTransitivity, 143.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 20.6s InterpolantComputationTime, 28873 NumberOfCodeBlocks, 28873 NumberOfCodeBlocksAsserted, 154 NumberOfCheckSat, 28719 ConstructedInterpolants, 0 QuantifiedInterpolants, 20450051 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 154 InterpolantComputations, 130 PerfectInterpolantSequences, 32998/34032 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: 449]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((!(a16 == 6) || a8 == 15) || ((((!(a21 == 1) && a8 == 13) && a17 <= 0) && a12 == 8) && a20 == 1)) || !(a7 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a16 == 6) || a8 == 15) || ((((!(a21 == 1) && a8 == 13) && a17 <= 0) && a12 == 8) && a20 == 1)) || !(a7 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 460.80 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 927.5 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 243.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 927.5 MB in the beginning and 1.1 GB in the end (delta: -219.9 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.00 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3732.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 915.9 MB in the end (delta: 228.8 MB). Peak memory consumption was 228.8 MB. Max. memory is 11.5 GB. * CodeCheck took 176202.24 ms. Allocated memory was 1.2 GB in the beginning and 3.4 GB in the end (delta: 2.2 GB). Free memory was 915.9 MB in the beginning and 3.0 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. * Witness Printer took 124.68 ms. Allocated memory is still 3.4 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 3.0 kB). Peak memory consumption was 3.0 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...