./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_92ef893e-68e8-4906-8a5d-454f582921f6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_92ef893e-68e8-4906-8a5d-454f582921f6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_92ef893e-68e8-4906-8a5d-454f582921f6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_92ef893e-68e8-4906-8a5d-454f582921f6/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_92ef893e-68e8-4906-8a5d-454f582921f6/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_92ef893e-68e8-4906-8a5d-454f582921f6/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0564e568992a96ba006237c1af458e049de52506 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 18:40:58,734 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:40:58,735 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:40:58,743 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:40:58,743 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:40:58,743 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:40:58,744 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:40:58,745 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:40:58,746 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:40:58,747 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:40:58,747 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:40:58,747 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:40:58,748 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:40:58,748 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:40:58,749 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:40:58,750 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:40:58,750 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:40:58,751 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:40:58,753 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:40:58,754 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:40:58,755 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:40:58,755 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:40:58,757 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:40:58,757 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:40:58,757 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:40:58,758 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:40:58,759 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:40:58,759 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:40:58,760 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:40:58,761 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:40:58,761 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:40:58,761 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:40:58,761 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:40:58,762 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:40:58,762 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:40:58,763 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:40:58,763 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_92ef893e-68e8-4906-8a5d-454f582921f6/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-01 18:40:58,774 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:40:58,774 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:40:58,774 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 18:40:58,774 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 18:40:58,775 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:40:58,775 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:40:58,775 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:40:58,775 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 18:40:58,776 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 18:40:58,776 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:40:58,776 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 18:40:58,776 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 18:40:58,776 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 18:40:58,776 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-01 18:40:58,776 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:40:58,776 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:40:58,776 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 18:40:58,776 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 18:40:58,776 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 18:40:58,777 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:40:58,777 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 18:40:58,777 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 18:40:58,777 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:40:58,777 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 18:40:58,777 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 18:40:58,777 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 18:40:58,777 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 18:40:58,777 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 18:40:58,777 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_92ef893e-68e8-4906-8a5d-454f582921f6/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0564e568992a96ba006237c1af458e049de52506 [2018-12-01 18:40:58,800 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:40:58,809 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:40:58,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:40:58,813 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:40:58,813 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:40:58,814 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_92ef893e-68e8-4906-8a5d-454f582921f6/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1_true-termination_true-no-overflow.c [2018-12-01 18:40:58,853 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92ef893e-68e8-4906-8a5d-454f582921f6/bin-2019/ukojak/data/255c962b9/6c76a49a3f6a4513936f22102569b351/FLAGa20b9d233 [2018-12-01 18:40:59,288 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:40:59,288 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_92ef893e-68e8-4906-8a5d-454f582921f6/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1_true-termination_true-no-overflow.c [2018-12-01 18:40:59,292 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92ef893e-68e8-4906-8a5d-454f582921f6/bin-2019/ukojak/data/255c962b9/6c76a49a3f6a4513936f22102569b351/FLAGa20b9d233 [2018-12-01 18:40:59,300 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_92ef893e-68e8-4906-8a5d-454f582921f6/bin-2019/ukojak/data/255c962b9/6c76a49a3f6a4513936f22102569b351 [2018-12-01 18:40:59,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:40:59,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:40:59,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:40:59,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:40:59,306 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:40:59,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:40:59" (1/1) ... [2018-12-01 18:40:59,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e0d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:40:59, skipping insertion in model container [2018-12-01 18:40:59,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:40:59" (1/1) ... [2018-12-01 18:40:59,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:40:59,320 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:40:59,402 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:40:59,404 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:40:59,412 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:40:59,420 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:40:59,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:40:59 WrapperNode [2018-12-01 18:40:59,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:40:59,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:40:59,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:40:59,421 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:40:59,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:40:59" (1/1) ... [2018-12-01 18:40:59,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:40:59" (1/1) ... [2018-12-01 18:40:59,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:40:59,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:40:59,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:40:59,438 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:40:59,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:40:59" (1/1) ... [2018-12-01 18:40:59,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:40:59" (1/1) ... [2018-12-01 18:40:59,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:40:59" (1/1) ... [2018-12-01 18:40:59,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:40:59" (1/1) ... [2018-12-01 18:40:59,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:40:59" (1/1) ... [2018-12-01 18:40:59,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:40:59" (1/1) ... [2018-12-01 18:40:59,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:40:59" (1/1) ... [2018-12-01 18:40:59,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:40:59,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:40:59,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:40:59,449 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:40:59,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:40:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92ef893e-68e8-4906-8a5d-454f582921f6/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 18:40:59,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:40:59,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:40:59,602 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:40:59,602 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-01 18:40:59,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:40:59 BoogieIcfgContainer [2018-12-01 18:40:59,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:40:59,603 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 18:40:59,603 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 18:40:59,609 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 18:40:59,609 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:40:59" (1/1) ... [2018-12-01 18:40:59,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:40:59,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:40:59,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-12-01 18:40:59,635 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-12-01 18:40:59,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-01 18:40:59,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:40:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:40:59,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:40:59,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:40:59,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-12-01 18:40:59,739 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-12-01 18:40:59,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-01 18:40:59,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:40:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:40:59,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:40:59,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:40:59,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2018-12-01 18:40:59,869 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2018-12-01 18:40:59,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 18:40:59,871 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:40:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:40:59,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:40:59,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:40:59,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2018-12-01 18:40:59,978 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2018-12-01 18:40:59,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 18:40:59,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:40:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:40:59,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:00,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:00,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-12-01 18:41:00,198 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-12-01 18:41:00,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 18:41:00,199 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:00,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:00,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:00,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2018-12-01 18:41:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2018-12-01 18:41:00,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 18:41:00,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:00,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:00,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:00,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2018-12-01 18:41:00,595 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2018-12-01 18:41:00,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 18:41:00,595 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:00,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:00,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:00,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2018-12-01 18:41:00,761 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2018-12-01 18:41:00,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 18:41:00,761 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:00,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:00,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:00,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2018-12-01 18:41:00,844 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2018-12-01 18:41:00,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 18:41:00,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:00,897 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 18:41:01,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:01,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2018-12-01 18:41:01,155 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2018-12-01 18:41:01,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 18:41:01,156 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:01,273 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:01,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:01,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2018-12-01 18:41:01,619 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2018-12-01 18:41:01,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 18:41:01,620 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:01,635 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:01,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:01,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2018-12-01 18:41:01,837 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2018-12-01 18:41:01,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 18:41:01,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:01,885 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:02,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:02,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-12-01 18:41:02,039 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-12-01 18:41:02,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 18:41:02,039 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:02,048 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:02,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:02,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 49 states and 90 transitions. [2018-12-01 18:41:02,160 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 90 transitions. [2018-12-01 18:41:02,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 18:41:02,161 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:02,169 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:02,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:02,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 51 states and 92 transitions. [2018-12-01 18:41:02,336 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 92 transitions. [2018-12-01 18:41:02,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 18:41:02,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:02,344 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:02,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:02,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 53 states and 93 transitions. [2018-12-01 18:41:02,461 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 93 transitions. [2018-12-01 18:41:02,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 18:41:02,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:02,468 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 18:41:02,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:02,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 53 states and 92 transitions. [2018-12-01 18:41:02,698 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 92 transitions. [2018-12-01 18:41:02,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 18:41:02,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:02,704 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 18:41:02,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:02,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 93 transitions. [2018-12-01 18:41:02,904 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2018-12-01 18:41:02,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 18:41:02,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:03,049 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:03,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:03,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 57 states and 98 transitions. [2018-12-01 18:41:03,425 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 98 transitions. [2018-12-01 18:41:03,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 18:41:03,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:03,437 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:04,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:04,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 62 states and 110 transitions. [2018-12-01 18:41:04,043 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 110 transitions. [2018-12-01 18:41:04,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 18:41:04,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:04,066 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:04,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:04,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 64 states and 111 transitions. [2018-12-01 18:41:04,196 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 111 transitions. [2018-12-01 18:41:04,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 18:41:04,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:04,210 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:04,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:04,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 64 states and 110 transitions. [2018-12-01 18:41:04,347 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 110 transitions. [2018-12-01 18:41:04,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 18:41:04,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:04,462 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 18:41:04,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:04,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 67 states and 125 transitions. [2018-12-01 18:41:04,809 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2018-12-01 18:41:04,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 18:41:04,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:04,860 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:05,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:05,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 72 states and 140 transitions. [2018-12-01 18:41:05,228 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 140 transitions. [2018-12-01 18:41:05,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 18:41:05,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:05,236 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:05,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:05,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 74 states and 142 transitions. [2018-12-01 18:41:05,463 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 142 transitions. [2018-12-01 18:41:05,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 18:41:05,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:05,473 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:05,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:05,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 76 states and 143 transitions. [2018-12-01 18:41:05,595 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 143 transitions. [2018-12-01 18:41:05,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 18:41:05,596 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:05,601 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:05,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:05,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 78 states and 144 transitions. [2018-12-01 18:41:05,744 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 144 transitions. [2018-12-01 18:41:05,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 18:41:05,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:05,749 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 18:41:05,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:05,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 78 states and 143 transitions. [2018-12-01 18:41:05,998 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 143 transitions. [2018-12-01 18:41:05,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 18:41:05,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:06,163 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:06,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:06,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 78 states and 138 transitions. [2018-12-01 18:41:06,632 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 138 transitions. [2018-12-01 18:41:06,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 18:41:06,632 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:06,678 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:07,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:07,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 81 states and 142 transitions. [2018-12-01 18:41:07,081 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 142 transitions. [2018-12-01 18:41:07,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 18:41:07,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:07,144 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:07,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:07,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 86 states and 157 transitions. [2018-12-01 18:41:07,653 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 157 transitions. [2018-12-01 18:41:07,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 18:41:07,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:07,659 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:07,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:07,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 88 states and 158 transitions. [2018-12-01 18:41:07,814 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 158 transitions. [2018-12-01 18:41:07,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 18:41:07,815 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:07,822 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:07,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:07,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 90 states and 159 transitions. [2018-12-01 18:41:07,985 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 159 transitions. [2018-12-01 18:41:07,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 18:41:07,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:07,991 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:08,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:08,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 92 states and 161 transitions. [2018-12-01 18:41:08,266 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 161 transitions. [2018-12-01 18:41:08,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 18:41:08,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:08,585 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:09,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:09,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 94 states and 164 transitions. [2018-12-01 18:41:09,273 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 164 transitions. [2018-12-01 18:41:09,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 18:41:09,274 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:09,314 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:09,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:09,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 96 states and 165 transitions. [2018-12-01 18:41:09,504 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 165 transitions. [2018-12-01 18:41:09,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 18:41:09,504 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:09,543 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:10,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:10,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 98 states and 167 transitions. [2018-12-01 18:41:10,055 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 167 transitions. [2018-12-01 18:41:10,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 18:41:10,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:10,166 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:10,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:10,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 103 states and 182 transitions. [2018-12-01 18:41:10,731 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 182 transitions. [2018-12-01 18:41:10,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 18:41:10,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:10,740 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:10,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:10,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 105 states and 183 transitions. [2018-12-01 18:41:10,893 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 183 transitions. [2018-12-01 18:41:10,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 18:41:10,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:10,901 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:11,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:11,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 107 states and 184 transitions. [2018-12-01 18:41:11,072 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 184 transitions. [2018-12-01 18:41:11,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 18:41:11,072 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:11,079 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:11,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:11,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 109 states and 186 transitions. [2018-12-01 18:41:11,427 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 186 transitions. [2018-12-01 18:41:11,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 18:41:11,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:11,756 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 38 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:13,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:13,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 112 states and 191 transitions. [2018-12-01 18:41:13,050 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 191 transitions. [2018-12-01 18:41:13,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 18:41:13,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:13,130 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 38 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:13,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:13,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 114 states and 192 transitions. [2018-12-01 18:41:13,939 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 192 transitions. [2018-12-01 18:41:13,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 18:41:13,940 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:14,039 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 38 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:14,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:14,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 115 states and 190 transitions. [2018-12-01 18:41:14,434 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 190 transitions. [2018-12-01 18:41:14,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-01 18:41:14,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:14,498 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:15,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:15,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 120 states and 205 transitions. [2018-12-01 18:41:15,134 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 205 transitions. [2018-12-01 18:41:15,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-01 18:41:15,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:15,141 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:15,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:15,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 122 states and 206 transitions. [2018-12-01 18:41:15,346 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 206 transitions. [2018-12-01 18:41:15,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-01 18:41:15,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:15,353 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:15,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:15,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 124 states and 207 transitions. [2018-12-01 18:41:15,546 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 207 transitions. [2018-12-01 18:41:15,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-01 18:41:15,546 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:15,553 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:15,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 126 states and 209 transitions. [2018-12-01 18:41:15,941 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 209 transitions. [2018-12-01 18:41:15,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-01 18:41:15,941 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:16,343 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 87 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:17,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:17,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 126 states and 208 transitions. [2018-12-01 18:41:17,029 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 208 transitions. [2018-12-01 18:41:17,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-01 18:41:17,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:17,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:17,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 131 states and 224 transitions. [2018-12-01 18:41:17,942 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 224 transitions. [2018-12-01 18:41:17,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-01 18:41:17,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:17,950 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:18,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:18,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 133 states and 225 transitions. [2018-12-01 18:41:18,159 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 225 transitions. [2018-12-01 18:41:18,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-01 18:41:18,159 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:18,172 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:18,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:18,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 135 states and 226 transitions. [2018-12-01 18:41:18,374 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 226 transitions. [2018-12-01 18:41:18,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-01 18:41:18,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:18,384 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:18,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:18,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 137 states and 227 transitions. [2018-12-01 18:41:18,580 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 227 transitions. [2018-12-01 18:41:18,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-01 18:41:18,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:18,920 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 119 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:19,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:19,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 138 states and 229 transitions. [2018-12-01 18:41:19,300 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 229 transitions. [2018-12-01 18:41:19,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-01 18:41:19,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:19,508 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 119 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:19,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:19,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 137 states and 226 transitions. [2018-12-01 18:41:19,720 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 226 transitions. [2018-12-01 18:41:19,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 18:41:19,720 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:19,792 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:20,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:20,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 142 states and 242 transitions. [2018-12-01 18:41:20,735 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 242 transitions. [2018-12-01 18:41:20,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 18:41:20,735 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:20,741 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:20,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:20,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 144 states and 243 transitions. [2018-12-01 18:41:20,978 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 243 transitions. [2018-12-01 18:41:20,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 18:41:20,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:20,988 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:21,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:21,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 146 states and 244 transitions. [2018-12-01 18:41:21,259 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 244 transitions. [2018-12-01 18:41:21,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 18:41:21,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:21,267 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:21,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:21,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 148 states and 245 transitions. [2018-12-01 18:41:21,476 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 245 transitions. [2018-12-01 18:41:21,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 18:41:21,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:21,895 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 156 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:22,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:22,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 148 states and 244 transitions. [2018-12-01 18:41:22,573 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 244 transitions. [2018-12-01 18:41:22,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 18:41:22,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:22,656 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:23,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:23,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 153 states and 259 transitions. [2018-12-01 18:41:23,480 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 259 transitions. [2018-12-01 18:41:23,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 18:41:23,481 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:23,488 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:23,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:23,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 155 states and 261 transitions. [2018-12-01 18:41:23,939 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 261 transitions. [2018-12-01 18:41:23,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 18:41:23,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:23,946 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:24,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:24,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 157 states and 262 transitions. [2018-12-01 18:41:24,173 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 262 transitions. [2018-12-01 18:41:24,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 18:41:24,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:24,179 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:24,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:24,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 159 states and 263 transitions. [2018-12-01 18:41:24,414 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 263 transitions. [2018-12-01 18:41:24,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 18:41:24,414 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:24,923 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 198 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:27,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:27,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 159 states and 262 transitions. [2018-12-01 18:41:27,579 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 262 transitions. [2018-12-01 18:41:27,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 18:41:27,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:27,663 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:30,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:30,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 164 states and 277 transitions. [2018-12-01 18:41:30,145 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 277 transitions. [2018-12-01 18:41:30,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 18:41:30,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:30,155 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:30,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:30,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 166 states and 279 transitions. [2018-12-01 18:41:30,687 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 279 transitions. [2018-12-01 18:41:30,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 18:41:30,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:30,697 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:30,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:30,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 168 states and 280 transitions. [2018-12-01 18:41:30,954 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 280 transitions. [2018-12-01 18:41:30,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 18:41:30,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:30,962 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:31,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:31,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 170 states and 281 transitions. [2018-12-01 18:41:31,706 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 281 transitions. [2018-12-01 18:41:31,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 18:41:31,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:33,565 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 245 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:34,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:34,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 171 states and 283 transitions. [2018-12-01 18:41:34,040 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 283 transitions. [2018-12-01 18:41:34,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 18:41:34,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:34,429 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 245 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:34,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:34,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 170 states and 280 transitions. [2018-12-01 18:41:34,696 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 280 transitions. [2018-12-01 18:41:34,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 18:41:34,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:34,783 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:35,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:35,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 175 states and 295 transitions. [2018-12-01 18:41:35,732 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 295 transitions. [2018-12-01 18:41:35,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 18:41:35,733 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:35,745 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:36,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:36,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 177 states and 297 transitions. [2018-12-01 18:41:36,300 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 297 transitions. [2018-12-01 18:41:36,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 18:41:36,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:36,309 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:36,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:36,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 179 states and 298 transitions. [2018-12-01 18:41:36,613 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 298 transitions. [2018-12-01 18:41:36,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 18:41:36,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:36,627 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:36,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:36,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 181 states and 299 transitions. [2018-12-01 18:41:36,911 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 299 transitions. [2018-12-01 18:41:36,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 18:41:36,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:37,638 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 297 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:38,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:38,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 182 states and 301 transitions. [2018-12-01 18:41:38,687 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 301 transitions. [2018-12-01 18:41:38,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 18:41:38,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:39,506 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 297 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:40,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:40,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 181 states and 298 transitions. [2018-12-01 18:41:40,152 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 298 transitions. [2018-12-01 18:41:40,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 18:41:40,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:40,270 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:41,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:41,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 186 states and 314 transitions. [2018-12-01 18:41:41,578 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 314 transitions. [2018-12-01 18:41:41,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 18:41:41,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:41,586 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:41,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:41,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 188 states and 315 transitions. [2018-12-01 18:41:41,868 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 315 transitions. [2018-12-01 18:41:41,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 18:41:41,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:41,876 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:42,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:42,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 190 states and 316 transitions. [2018-12-01 18:41:42,168 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 316 transitions. [2018-12-01 18:41:42,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 18:41:42,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:42,176 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:43,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:43,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 192 states and 317 transitions. [2018-12-01 18:41:43,340 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 317 transitions. [2018-12-01 18:41:43,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 18:41:43,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:44,167 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 354 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:45,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:45,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 193 states and 319 transitions. [2018-12-01 18:41:45,046 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 319 transitions. [2018-12-01 18:41:45,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 18:41:45,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:47,528 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 354 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:47,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:47,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 192 states and 316 transitions. [2018-12-01 18:41:47,986 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 316 transitions. [2018-12-01 18:41:47,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 18:41:47,987 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:51,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:51,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 197 states and 331 transitions. [2018-12-01 18:41:51,613 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 331 transitions. [2018-12-01 18:41:51,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 18:41:51,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:51,622 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:51,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:51,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 199 states and 332 transitions. [2018-12-01 18:41:51,920 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 332 transitions. [2018-12-01 18:41:51,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 18:41:51,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:51,929 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:52,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:52,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 201 states and 334 transitions. [2018-12-01 18:41:52,499 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 334 transitions. [2018-12-01 18:41:52,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 18:41:52,500 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:52,508 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:52,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:52,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 203 states and 335 transitions. [2018-12-01 18:41:52,815 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 335 transitions. [2018-12-01 18:41:52,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 18:41:52,815 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:53,765 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 416 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:54,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:54,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 203 states and 334 transitions. [2018-12-01 18:41:54,672 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 334 transitions. [2018-12-01 18:41:54,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 18:41:54,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:54,786 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:55,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:55,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 208 states and 349 transitions. [2018-12-01 18:41:55,875 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 349 transitions. [2018-12-01 18:41:55,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 18:41:55,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:55,886 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:56,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:56,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 210 states and 350 transitions. [2018-12-01 18:41:56,204 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 350 transitions. [2018-12-01 18:41:56,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 18:41:56,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:56,213 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:56,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:56,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 212 states and 351 transitions. [2018-12-01 18:41:56,564 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 351 transitions. [2018-12-01 18:41:56,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 18:41:56,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:56,573 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:57,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:57,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 214 states and 353 transitions. [2018-12-01 18:41:57,554 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 353 transitions. [2018-12-01 18:41:57,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 18:41:57,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:58,534 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 483 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:41:59,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:41:59,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 215 states and 355 transitions. [2018-12-01 18:41:59,172 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 355 transitions. [2018-12-01 18:41:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 18:41:59,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:41:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:41:59,974 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 483 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:42:00,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:42:00,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 214 states and 352 transitions. [2018-12-01 18:42:00,323 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 352 transitions. [2018-12-01 18:42:00,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 18:42:00,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:42:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:00,443 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:42:01,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:42:01,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 219 states and 367 transitions. [2018-12-01 18:42:01,652 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 367 transitions. [2018-12-01 18:42:01,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 18:42:01,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:42:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:01,664 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:42:02,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:42:02,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 221 states and 368 transitions. [2018-12-01 18:42:02,005 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 368 transitions. [2018-12-01 18:42:02,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 18:42:02,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:42:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:02,015 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:42:02,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:42:02,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 223 states and 370 transitions. [2018-12-01 18:42:02,653 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 370 transitions. [2018-12-01 18:42:02,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 18:42:02,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:42:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:02,663 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:42:03,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:42:03,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 225 states and 371 transitions. [2018-12-01 18:42:03,022 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 371 transitions. [2018-12-01 18:42:03,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 18:42:03,022 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:42:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:04,116 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 555 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:42:05,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:42:05,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 225 states and 370 transitions. [2018-12-01 18:42:05,179 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 370 transitions. [2018-12-01 18:42:05,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-01 18:42:05,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:42:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:05,305 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:42:06,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:42:06,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 230 states and 385 transitions. [2018-12-01 18:42:06,559 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 385 transitions. [2018-12-01 18:42:06,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-01 18:42:06,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:42:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:06,575 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:42:06,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:42:06,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 232 states and 386 transitions. [2018-12-01 18:42:06,924 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 386 transitions. [2018-12-01 18:42:06,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-01 18:42:06,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:42:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:06,935 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:42:07,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:42:07,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 234 states and 387 transitions. [2018-12-01 18:42:07,295 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 387 transitions. [2018-12-01 18:42:07,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-01 18:42:07,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:42:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:07,306 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:42:07,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:42:07,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 236 states and 389 transitions. [2018-12-01 18:42:07,996 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 389 transitions. [2018-12-01 18:42:07,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 18:42:07,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:42:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:09,239 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 632 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:42:09,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:42:09,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 237 states and 391 transitions. [2018-12-01 18:42:09,937 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 391 transitions. [2018-12-01 18:42:09,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 18:42:09,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:42:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 632 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:42:14,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:42:14,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 236 states and 388 transitions. [2018-12-01 18:42:14,563 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 388 transitions. [2018-12-01 18:42:14,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 18:42:14,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:42:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:15,626 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-12-01 18:42:21,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:42:21,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 248 states and 414 transitions. [2018-12-01 18:42:21,180 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 414 transitions. [2018-12-01 18:42:21,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 18:42:21,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:42:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:21,199 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-12-01 18:42:22,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:42:22,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 250 states and 416 transitions. [2018-12-01 18:42:22,321 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 416 transitions. [2018-12-01 18:42:22,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 18:42:22,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:42:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:22,346 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-12-01 18:42:24,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:42:24,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 252 states and 417 transitions. [2018-12-01 18:42:24,591 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 417 transitions. [2018-12-01 18:42:24,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 18:42:24,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:42:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:24,599 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-12-01 18:42:24,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:42:25,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 254 states and 419 transitions. [2018-12-01 18:42:25,000 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 419 transitions. [2018-12-01 18:42:25,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 18:42:25,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:42:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-12-01 18:42:25,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:42:25,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 256 states and 421 transitions. [2018-12-01 18:42:25,400 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 421 transitions. [2018-12-01 18:42:25,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-01 18:42:25,401 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:42:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:26,835 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 714 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:42:28,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:42:28,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 256 states and 420 transitions. [2018-12-01 18:42:28,054 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 420 transitions. [2018-12-01 18:42:28,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-01 18:42:28,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:42:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:28,063 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 261 proven. 21 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2018-12-01 18:42:29,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:42:29,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 257 states and 421 transitions. [2018-12-01 18:42:29,315 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 421 transitions. [2018-12-01 18:42:29,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-01 18:42:29,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:42:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:42:29,325 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 261 proven. 21 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2018-12-01 18:42:30,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:42:30,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 187 states and 252 transitions. [2018-12-01 18:42:30,171 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 252 transitions. [2018-12-01 18:42:30,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 18:42:30,171 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 113 iterations. [2018-12-01 18:42:30,176 INFO L779 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-12-01 18:42:30,642 WARN L180 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-12-01 18:42:31,040 WARN L180 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-12-01 18:42:31,149 INFO L583 CodeCheckObserver]: Invariant with dag size 101 [2018-12-01 18:42:31,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:42:31 ImpRootNode [2018-12-01 18:42:31,159 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 18:42:31,159 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:42:31,159 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:42:31,159 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:42:31,160 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:40:59" (3/4) ... [2018-12-01 18:42:31,162 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 18:42:31,167 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-01 18:42:31,167 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-01 18:42:31,167 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 18:42:31,190 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_92ef893e-68e8-4906-8a5d-454f582921f6/bin-2019/ukojak/witness.graphml [2018-12-01 18:42:31,190 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:42:31,190 INFO L168 Benchmark]: Toolchain (without parser) took 91888.04 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 866.6 MB). Free memory was 957.1 MB in the beginning and 1.0 GB in the end (delta: -92.3 MB). Peak memory consumption was 774.4 MB. Max. memory is 11.5 GB. [2018-12-01 18:42:31,191 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:42:31,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 116.74 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 945.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-01 18:42:31,191 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.63 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:42:31,192 INFO L168 Benchmark]: Boogie Preprocessor took 10.46 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:42:31,192 INFO L168 Benchmark]: RCFGBuilder took 153.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-01 18:42:31,192 INFO L168 Benchmark]: CodeCheck took 91555.99 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 731.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.4 MB). Peak memory consumption was 797.3 MB. Max. memory is 11.5 GB. [2018-12-01 18:42:31,192 INFO L168 Benchmark]: Witness Printer took 30.92 ms. Allocated memory is still 1.9 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:42:31,194 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, 14 locations, 4 error locations. SAFE Result, 90.5s OverallTime, 113 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -1185466104 SDslu, 0 SDs, 0 SdLazy, 1968104132 SolverSat, 1516986444 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 73.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54314 GetRequests, 48772 SyntacticMatches, 4580 SemanticMatches, 962 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 768868 ImplicationChecksByTransitivity, 86.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 23.4s InterpolantComputationTime, 5288 NumberOfCodeBlocks, 5288 NumberOfCodeBlocksAsserted, 112 NumberOfCheckSat, 5176 ConstructedInterpolants, 0 QuantifiedInterpolants, 900762 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 112 InterpolantComputations, 9 PerfectInterpolantSequences, 11969/29355 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((((((((((((((((30 < y && y <= 31) && x <= y + 2147483624) || ((y <= 32 && 31 < y) && x <= y + 2147483624)) || ((x + y <= 2147483648 && y <= 39) && 38 < y)) || ((32 < y && y <= 33) && x <= y + 2147483624)) || ((26 < y && y <= 27) && x <= 2 * y + 2147483593)) || ((y <= 35 && 34 < y) && x <= y + 2147483624)) || ((28 < y && y <= 29) && x <= y + 2147483624)) || ((35 < y && y <= 36) && x <= y + 2147483624)) || ((y <= 34 && 33 < y) && x <= y + 2147483624)) || ((25 < y && y <= 26) && x <= y + 2147483624)) || ((37 < y && x <= y + 2147483609) && y <= 38)) || ((29 < y && y <= 30) && x <= y + 2147483624)) || ((x <= 2 * y + 2147483591 && 27 < y) && y <= 28)) || ((23 <= y && y <= 23) && x <= y + 2147483624)) || ((36 < y && y <= 37) && x <= y + 2147483624)) || ((23 < y && y <= 24) && x <= 2 * y + 2147483599)) || ((x <= 2 * y + 2147483597 && y <= 25) && 24 < y)) || ((39 < y && x + 2 * y <= 2147483650) && y <= 2147483647) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 116.74 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 945.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.63 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.46 ms. Allocated memory is still 1.0 GB. Free memory is still 945.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 153.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * CodeCheck took 91555.99 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 731.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.4 MB). Peak memory consumption was 797.3 MB. Max. memory is 11.5 GB. * Witness Printer took 30.92 ms. Allocated memory is still 1.9 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...