./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Introduction_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_db29ca16-d28e-492c-b5a3-b06d3656efe4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_db29ca16-d28e-492c-b5a3-b06d3656efe4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_db29ca16-d28e-492c-b5a3-b06d3656efe4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_db29ca16-d28e-492c-b5a3-b06d3656efe4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Introduction_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_db29ca16-d28e-492c-b5a3-b06d3656efe4/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_db29ca16-d28e-492c-b5a3-b06d3656efe4/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 85017c4a5a64f245bd703090448e8d5785d54b75 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:32:39,712 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:32:39,713 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:32:39,722 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:32:39,723 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:32:39,723 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:32:39,724 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:32:39,726 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:32:39,727 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:32:39,728 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:32:39,728 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:32:39,729 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:32:39,729 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:32:39,730 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:32:39,731 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:32:39,732 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:32:39,732 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:32:39,734 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:32:39,735 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:32:39,736 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:32:39,738 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:32:39,739 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:32:39,740 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:32:39,741 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:32:39,741 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:32:39,742 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:32:39,742 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:32:39,743 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:32:39,744 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:32:39,745 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:32:39,745 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:32:39,746 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:32:39,746 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:32:39,746 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:32:39,747 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:32:39,747 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:32:39,747 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_db29ca16-d28e-492c-b5a3-b06d3656efe4/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 12:32:39,759 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:32:39,759 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:32:39,760 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:32:39,760 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:32:39,761 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:32:39,761 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:32:39,761 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:32:39,761 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:32:39,761 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:32:39,761 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:32:39,762 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:32:39,762 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:32:39,762 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:32:39,762 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 12:32:39,762 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:32:39,762 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:32:39,762 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:32:39,763 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:32:39,763 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:32:39,763 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:32:39,763 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:32:39,763 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:32:39,763 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:32:39,763 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:32:39,764 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:32:39,764 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:32:39,764 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:32:39,764 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:32:39,764 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_db29ca16-d28e-492c-b5a3-b06d3656efe4/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 -> 85017c4a5a64f245bd703090448e8d5785d54b75 [2018-11-18 12:32:39,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:32:39,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:32:39,801 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:32:39,802 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:32:39,802 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:32:39,803 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_db29ca16-d28e-492c-b5a3-b06d3656efe4/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Introduction_true-termination_true-no-overflow.c [2018-11-18 12:32:39,846 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db29ca16-d28e-492c-b5a3-b06d3656efe4/bin-2019/ukojak/data/fdf3576d4/f25d6ce34f5346b7acee9f104297c65b/FLAG96074ad3a [2018-11-18 12:32:40,182 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:32:40,182 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_db29ca16-d28e-492c-b5a3-b06d3656efe4/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Introduction_true-termination_true-no-overflow.c [2018-11-18 12:32:40,187 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db29ca16-d28e-492c-b5a3-b06d3656efe4/bin-2019/ukojak/data/fdf3576d4/f25d6ce34f5346b7acee9f104297c65b/FLAG96074ad3a [2018-11-18 12:32:40,604 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_db29ca16-d28e-492c-b5a3-b06d3656efe4/bin-2019/ukojak/data/fdf3576d4/f25d6ce34f5346b7acee9f104297c65b [2018-11-18 12:32:40,607 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:32:40,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:32:40,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:32:40,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:32:40,611 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:32:40,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:32:40" (1/1) ... [2018-11-18 12:32:40,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@795587e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:40, skipping insertion in model container [2018-11-18 12:32:40,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:32:40" (1/1) ... [2018-11-18 12:32:40,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:32:40,632 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:32:40,746 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:32:40,748 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:32:40,758 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:32:40,767 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:32:40,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:40 WrapperNode [2018-11-18 12:32:40,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:32:40,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:32:40,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:32:40,768 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:32:40,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:40" (1/1) ... [2018-11-18 12:32:40,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:40" (1/1) ... [2018-11-18 12:32:40,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:32:40,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:32:40,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:32:40,797 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:32:40,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:40" (1/1) ... [2018-11-18 12:32:40,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:40" (1/1) ... [2018-11-18 12:32:40,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:40" (1/1) ... [2018-11-18 12:32:40,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:40" (1/1) ... [2018-11-18 12:32:40,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:40" (1/1) ... [2018-11-18 12:32:40,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:40" (1/1) ... [2018-11-18 12:32:40,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:40" (1/1) ... [2018-11-18 12:32:40,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:32:40,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:32:40,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:32:40,814 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:32:40,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db29ca16-d28e-492c-b5a3-b06d3656efe4/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:32:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:32:40,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:32:41,039 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:32:41,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:32:41 BoogieIcfgContainer [2018-11-18 12:32:41,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:32:41,040 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:32:41,040 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:32:41,048 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:32:41,049 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:32:41" (1/1) ... [2018-11-18 12:32:41,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:41,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:41,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-11-18 12:32:41,086 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-11-18 12:32:41,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-18 12:32:41,088 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:41,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:41,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:41,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2018-11-18 12:32:41,260 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-11-18 12:32:41,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 12:32:41,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:41,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:41,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:41,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2018-11-18 12:32:41,468 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2018-11-18 12:32:41,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 12:32:41,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:41,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:41,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:41,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2018-11-18 12:32:41,610 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-11-18 12:32:41,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 12:32:41,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:41,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:41,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:41,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2018-11-18 12:32:41,923 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2018-11-18 12:32:41,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 12:32:41,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:42,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:42,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:42,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2018-11-18 12:32:42,227 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2018-11-18 12:32:42,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 12:32:42,227 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:42,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:42,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:42,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2018-11-18 12:32:42,465 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2018-11-18 12:32:42,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 12:32:42,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:42,477 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:42,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:42,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2018-11-18 12:32:42,664 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2018-11-18 12:32:42,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 12:32:42,665 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:42,678 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:42,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:42,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2018-11-18 12:32:42,759 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2018-11-18 12:32:42,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 12:32:42,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:42,811 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:32:43,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:43,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2018-11-18 12:32:43,115 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2018-11-18 12:32:43,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:32:43,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:43,266 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:43,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:43,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 74 transitions. [2018-11-18 12:32:43,728 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2018-11-18 12:32:43,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:32:43,728 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:43,749 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:44,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:44,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2018-11-18 12:32:44,004 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2018-11-18 12:32:44,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:32:44,004 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:44,087 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:44,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:44,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 56 states and 93 transitions. [2018-11-18 12:32:44,365 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2018-11-18 12:32:44,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:32:44,365 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:44,378 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:44,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:44,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 59 states and 101 transitions. [2018-11-18 12:32:44,698 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 101 transitions. [2018-11-18 12:32:44,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:32:44,699 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:44,711 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:44,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:44,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 61 states and 102 transitions. [2018-11-18 12:32:44,818 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 102 transitions. [2018-11-18 12:32:44,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:32:44,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:44,828 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:44,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:44,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 63 states and 103 transitions. [2018-11-18 12:32:44,930 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 103 transitions. [2018-11-18 12:32:44,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:32:44,931 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:44,939 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 12:32:45,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:45,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 63 states and 102 transitions. [2018-11-18 12:32:45,161 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 102 transitions. [2018-11-18 12:32:45,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:32:45,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:45,171 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 12:32:45,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:45,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 64 states and 103 transitions. [2018-11-18 12:32:45,388 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 103 transitions. [2018-11-18 12:32:45,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:32:45,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:45,558 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:45,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:45,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 67 states and 107 transitions. [2018-11-18 12:32:45,953 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 107 transitions. [2018-11-18 12:32:45,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:32:45,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:45,969 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:46,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:46,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 73 states and 119 transitions. [2018-11-18 12:32:46,650 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 119 transitions. [2018-11-18 12:32:46,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:32:46,650 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:46,671 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:46,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:46,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 75 states and 120 transitions. [2018-11-18 12:32:46,840 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 120 transitions. [2018-11-18 12:32:46,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:32:46,840 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:46,862 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:47,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:47,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 75 states and 119 transitions. [2018-11-18 12:32:47,035 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2018-11-18 12:32:47,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 12:32:47,036 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:47,133 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:32:47,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:47,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 79 states and 135 transitions. [2018-11-18 12:32:47,517 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 135 transitions. [2018-11-18 12:32:47,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:32:47,517 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:47,581 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:48,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:48,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 85 states and 151 transitions. [2018-11-18 12:32:48,045 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 151 transitions. [2018-11-18 12:32:48,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:32:48,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:48,054 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:48,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:48,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 87 states and 152 transitions. [2018-11-18 12:32:48,201 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 152 transitions. [2018-11-18 12:32:48,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:32:48,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:48,208 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:48,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:48,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 89 states and 153 transitions. [2018-11-18 12:32:48,385 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 153 transitions. [2018-11-18 12:32:48,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:32:48,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:48,394 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:48,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:48,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 91 states and 155 transitions. [2018-11-18 12:32:48,710 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 155 transitions. [2018-11-18 12:32:48,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 12:32:48,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:48,716 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 12:32:48,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:48,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 91 states and 154 transitions. [2018-11-18 12:32:48,989 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 154 transitions. [2018-11-18 12:32:48,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 12:32:48,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:49,041 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:49,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:49,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 92 states and 156 transitions. [2018-11-18 12:32:49,179 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 156 transitions. [2018-11-18 12:32:49,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 12:32:49,179 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:49,226 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:49,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:49,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 93 states and 155 transitions. [2018-11-18 12:32:49,480 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 155 transitions. [2018-11-18 12:32:49,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 12:32:49,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:49,526 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:49,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:49,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 92 states and 152 transitions. [2018-11-18 12:32:49,686 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 152 transitions. [2018-11-18 12:32:49,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 12:32:49,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:49,756 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 27 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:49,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:49,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 92 states and 148 transitions. [2018-11-18 12:32:49,901 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 148 transitions. [2018-11-18 12:32:49,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 12:32:49,901 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:49,981 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:50,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:50,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 98 states and 164 transitions. [2018-11-18 12:32:50,648 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 164 transitions. [2018-11-18 12:32:50,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 12:32:50,648 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:50,660 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:50,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:50,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 100 states and 166 transitions. [2018-11-18 12:32:50,982 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2018-11-18 12:32:50,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 12:32:50,982 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:50,988 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:51,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:51,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 102 states and 167 transitions. [2018-11-18 12:32:51,170 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 167 transitions. [2018-11-18 12:32:51,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 12:32:51,170 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:51,177 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:51,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:51,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 104 states and 168 transitions. [2018-11-18 12:32:51,321 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 168 transitions. [2018-11-18 12:32:51,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 12:32:51,322 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:51,691 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:52,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:52,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 107 states and 172 transitions. [2018-11-18 12:32:52,441 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 172 transitions. [2018-11-18 12:32:52,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 12:32:52,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:52,505 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:52,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:52,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 109 states and 173 transitions. [2018-11-18 12:32:52,777 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 173 transitions. [2018-11-18 12:32:52,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 12:32:52,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:52,856 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:53,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:53,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 109 states and 172 transitions. [2018-11-18 12:32:53,136 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 172 transitions. [2018-11-18 12:32:53,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 12:32:53,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:53,280 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:53,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:53,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 115 states and 188 transitions. [2018-11-18 12:32:53,889 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 188 transitions. [2018-11-18 12:32:53,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 12:32:53,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:53,899 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:54,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:54,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 117 states and 189 transitions. [2018-11-18 12:32:54,055 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 189 transitions. [2018-11-18 12:32:54,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 12:32:54,055 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:54,064 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:54,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:54,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 119 states and 191 transitions. [2018-11-18 12:32:54,496 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 191 transitions. [2018-11-18 12:32:54,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 12:32:54,496 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:54,503 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:54,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:54,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 121 states and 192 transitions. [2018-11-18 12:32:54,707 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 192 transitions. [2018-11-18 12:32:54,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 12:32:54,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:55,046 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 48 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:55,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 122 states and 190 transitions. [2018-11-18 12:32:55,717 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 190 transitions. [2018-11-18 12:32:55,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 12:32:55,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:55,809 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 48 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:56,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:56,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 126 states and 196 transitions. [2018-11-18 12:32:56,403 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 196 transitions. [2018-11-18 12:32:56,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 12:32:56,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:56,538 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 48 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:56,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:56,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 128 states and 197 transitions. [2018-11-18 12:32:56,887 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 197 transitions. [2018-11-18 12:32:56,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 12:32:56,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:56,973 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:57,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:57,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 134 states and 213 transitions. [2018-11-18 12:32:57,815 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 213 transitions. [2018-11-18 12:32:57,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 12:32:57,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:57,823 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:58,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:58,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 136 states and 215 transitions. [2018-11-18 12:32:58,283 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 215 transitions. [2018-11-18 12:32:58,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 12:32:58,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:58,294 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:58,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:58,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 138 states and 216 transitions. [2018-11-18 12:32:58,542 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 216 transitions. [2018-11-18 12:32:58,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 12:32:58,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:58,556 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:58,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:58,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 140 states and 217 transitions. [2018-11-18 12:32:58,801 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 217 transitions. [2018-11-18 12:32:58,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 12:32:58,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:59,193 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 108 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:59,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:59,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 140 states and 216 transitions. [2018-11-18 12:32:59,875 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 216 transitions. [2018-11-18 12:32:59,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 12:32:59,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:59,962 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:00,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:00,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 146 states and 232 transitions. [2018-11-18 12:33:00,878 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 232 transitions. [2018-11-18 12:33:00,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 12:33:00,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:00,889 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:01,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:01,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 148 states and 233 transitions. [2018-11-18 12:33:01,164 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 233 transitions. [2018-11-18 12:33:01,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 12:33:01,164 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:01,178 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:01,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:01,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 150 states and 235 transitions. [2018-11-18 12:33:01,695 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 235 transitions. [2018-11-18 12:33:01,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 12:33:01,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:01,707 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:02,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:02,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 152 states and 236 transitions. [2018-11-18 12:33:02,021 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 236 transitions. [2018-11-18 12:33:02,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 12:33:02,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:02,448 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 147 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:02,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:02,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 153 states and 238 transitions. [2018-11-18 12:33:02,880 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 238 transitions. [2018-11-18 12:33:02,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 12:33:02,881 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:03,143 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 147 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:03,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:03,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 152 states and 235 transitions. [2018-11-18 12:33:03,447 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 235 transitions. [2018-11-18 12:33:03,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 12:33:03,448 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:03,553 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:04,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:04,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 158 states and 251 transitions. [2018-11-18 12:33:04,583 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 251 transitions. [2018-11-18 12:33:04,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 12:33:04,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:04,596 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:04,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:04,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 160 states and 252 transitions. [2018-11-18 12:33:04,933 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 252 transitions. [2018-11-18 12:33:04,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 12:33:04,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:04,952 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:05,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:05,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 162 states and 254 transitions. [2018-11-18 12:33:05,534 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 254 transitions. [2018-11-18 12:33:05,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 12:33:05,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:05,548 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 208 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:05,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:05,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 164 states and 255 transitions. [2018-11-18 12:33:05,865 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 255 transitions. [2018-11-18 12:33:05,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 12:33:05,866 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:06,329 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 192 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:06,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:06,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 165 states and 257 transitions. [2018-11-18 12:33:06,771 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 257 transitions. [2018-11-18 12:33:06,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 12:33:06,772 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:07,133 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 192 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:07,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:07,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 164 states and 254 transitions. [2018-11-18 12:33:07,467 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 254 transitions. [2018-11-18 12:33:07,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 12:33:07,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:07,577 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:09,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:09,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 170 states and 271 transitions. [2018-11-18 12:33:09,017 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 271 transitions. [2018-11-18 12:33:09,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 12:33:09,018 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:09,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:09,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 172 states and 272 transitions. [2018-11-18 12:33:09,411 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 272 transitions. [2018-11-18 12:33:09,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 12:33:09,411 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:09,420 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:09,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:09,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 174 states and 273 transitions. [2018-11-18 12:33:09,786 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 273 transitions. [2018-11-18 12:33:09,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 12:33:09,787 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:09,795 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:10,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:10,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 176 states and 274 transitions. [2018-11-18 12:33:10,186 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 274 transitions. [2018-11-18 12:33:10,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 12:33:10,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:10,673 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 243 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:11,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:11,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 176 states and 273 transitions. [2018-11-18 12:33:11,421 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 273 transitions. [2018-11-18 12:33:11,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 12:33:11,421 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:11,542 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:12,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:12,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 182 states and 289 transitions. [2018-11-18 12:33:12,776 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 289 transitions. [2018-11-18 12:33:12,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 12:33:12,776 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:12,789 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:13,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:13,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 184 states and 291 transitions. [2018-11-18 12:33:13,443 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 291 transitions. [2018-11-18 12:33:13,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 12:33:13,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:13,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:13,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 186 states and 292 transitions. [2018-11-18 12:33:13,823 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 292 transitions. [2018-11-18 12:33:13,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 12:33:13,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:13,840 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:14,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:14,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 188 states and 293 transitions. [2018-11-18 12:33:14,173 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 293 transitions. [2018-11-18 12:33:14,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 12:33:14,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:14,830 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 300 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:15,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:15,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 189 states and 295 transitions. [2018-11-18 12:33:15,342 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 295 transitions. [2018-11-18 12:33:15,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 12:33:15,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:15,905 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 300 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:16,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:16,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 188 states and 292 transitions. [2018-11-18 12:33:16,256 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 292 transitions. [2018-11-18 12:33:16,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 12:33:16,257 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:17,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:17,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 194 states and 308 transitions. [2018-11-18 12:33:17,678 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 308 transitions. [2018-11-18 12:33:17,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 12:33:17,678 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:17,689 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:18,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:18,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 196 states and 309 transitions. [2018-11-18 12:33:18,029 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 309 transitions. [2018-11-18 12:33:18,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 12:33:18,029 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:18,044 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:18,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:18,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 198 states and 310 transitions. [2018-11-18 12:33:18,389 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 310 transitions. [2018-11-18 12:33:18,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 12:33:18,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:18,399 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:19,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:19,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 200 states and 312 transitions. [2018-11-18 12:33:19,074 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 312 transitions. [2018-11-18 12:33:19,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 12:33:19,074 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:19,685 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 363 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:20,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:20,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 201 states and 314 transitions. [2018-11-18 12:33:20,064 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 314 transitions. [2018-11-18 12:33:20,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-18 12:33:20,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:20,667 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 363 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:20,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:20,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 200 states and 311 transitions. [2018-11-18 12:33:20,997 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 311 transitions. [2018-11-18 12:33:20,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 12:33:20,997 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:21,121 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:22,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:22,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 206 states and 327 transitions. [2018-11-18 12:33:22,443 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 327 transitions. [2018-11-18 12:33:22,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 12:33:22,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:22,458 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:22,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:22,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 208 states and 328 transitions. [2018-11-18 12:33:22,800 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 328 transitions. [2018-11-18 12:33:22,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 12:33:22,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:22,811 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:23,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:23,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 210 states and 329 transitions. [2018-11-18 12:33:23,155 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 329 transitions. [2018-11-18 12:33:23,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 12:33:23,155 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:23,166 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:23,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:23,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 212 states and 331 transitions. [2018-11-18 12:33:23,855 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 331 transitions. [2018-11-18 12:33:23,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-18 12:33:23,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:24,835 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 432 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:25,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:25,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 212 states and 330 transitions. [2018-11-18 12:33:25,800 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 330 transitions. [2018-11-18 12:33:25,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 12:33:25,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:25,923 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 0 proven. 533 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:27,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:27,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 218 states and 346 transitions. [2018-11-18 12:33:27,354 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 346 transitions. [2018-11-18 12:33:27,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 12:33:27,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:27,375 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 0 proven. 533 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:28,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:28,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 220 states and 348 transitions. [2018-11-18 12:33:28,135 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 348 transitions. [2018-11-18 12:33:28,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 12:33:28,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:28,146 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 0 proven. 533 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:28,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:28,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 222 states and 349 transitions. [2018-11-18 12:33:28,501 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 349 transitions. [2018-11-18 12:33:28,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 12:33:28,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:28,511 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 0 proven. 533 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:28,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:28,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 224 states and 350 transitions. [2018-11-18 12:33:28,881 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 350 transitions. [2018-11-18 12:33:28,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 12:33:28,881 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:29,970 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 507 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:30,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:30,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 225 states and 352 transitions. [2018-11-18 12:33:30,718 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 352 transitions. [2018-11-18 12:33:30,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 12:33:30,718 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:31,511 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 507 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:31,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:31,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 224 states and 349 transitions. [2018-11-18 12:33:31,867 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 349 transitions. [2018-11-18 12:33:31,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 12:33:31,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:31,980 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:33,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:33,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 230 states and 365 transitions. [2018-11-18 12:33:33,313 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 365 transitions. [2018-11-18 12:33:33,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 12:33:33,313 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:33,324 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:33,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:33,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 232 states and 366 transitions. [2018-11-18 12:33:33,653 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 366 transitions. [2018-11-18 12:33:33,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 12:33:33,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:33,664 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:34,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:34,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 234 states and 367 transitions. [2018-11-18 12:33:34,127 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 367 transitions. [2018-11-18 12:33:34,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 12:33:34,127 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:34,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:34,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 236 states and 369 transitions. [2018-11-18 12:33:34,841 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 369 transitions. [2018-11-18 12:33:34,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 12:33:34,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:35,949 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 588 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:36,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:36,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 237 states and 371 transitions. [2018-11-18 12:33:36,770 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 371 transitions. [2018-11-18 12:33:36,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 12:33:36,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:37,934 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 588 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:38,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:38,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 236 states and 368 transitions. [2018-11-18 12:33:38,428 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 368 transitions. [2018-11-18 12:33:38,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 12:33:38,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:38,628 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:40,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:40,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 242 states and 384 transitions. [2018-11-18 12:33:40,025 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 384 transitions. [2018-11-18 12:33:40,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 12:33:40,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:40,042 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:40,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:40,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 244 states and 385 transitions. [2018-11-18 12:33:40,431 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 385 transitions. [2018-11-18 12:33:40,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 12:33:40,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:40,445 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:41,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:41,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 246 states and 387 transitions. [2018-11-18 12:33:41,175 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 387 transitions. [2018-11-18 12:33:41,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 12:33:41,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:41,191 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:41,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:41,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 248 states and 388 transitions. [2018-11-18 12:33:41,597 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 388 transitions. [2018-11-18 12:33:41,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 12:33:41,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:43,144 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 675 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:43,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:43,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 249 states and 390 transitions. [2018-11-18 12:33:43,985 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 390 transitions. [2018-11-18 12:33:43,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 12:33:43,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:45,079 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 675 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:45,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:45,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 248 states and 387 transitions. [2018-11-18 12:33:45,494 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 387 transitions. [2018-11-18 12:33:45,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 12:33:45,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:45,698 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:47,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:47,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 254 states and 403 transitions. [2018-11-18 12:33:47,479 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 403 transitions. [2018-11-18 12:33:47,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 12:33:47,479 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:47,496 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:47,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:47,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 256 states and 404 transitions. [2018-11-18 12:33:47,926 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 404 transitions. [2018-11-18 12:33:47,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 12:33:47,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:47,942 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:48,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:48,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 258 states and 406 transitions. [2018-11-18 12:33:48,753 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 406 transitions. [2018-11-18 12:33:48,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 12:33:48,753 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:48,773 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:49,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:49,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 260 states and 407 transitions. [2018-11-18 12:33:49,264 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 407 transitions. [2018-11-18 12:33:49,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 12:33:49,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:50,718 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 768 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:33:51,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:51,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 260 states and 406 transitions. [2018-11-18 12:33:51,813 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 406 transitions. [2018-11-18 12:33:51,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 12:33:51,813 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:53,051 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 289 proven. 24 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2018-11-18 12:33:59,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:33:59,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 275 states and 434 transitions. [2018-11-18 12:33:59,668 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 434 transitions. [2018-11-18 12:33:59,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 12:33:59,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:33:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:33:59,681 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 289 proven. 24 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2018-11-18 12:34:00,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:34:00,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 277 states and 436 transitions. [2018-11-18 12:34:00,157 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 436 transitions. [2018-11-18 12:34:00,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 12:34:00,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:34:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:00,169 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 289 proven. 24 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2018-11-18 12:34:01,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:34:01,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 279 states and 439 transitions. [2018-11-18 12:34:01,086 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 439 transitions. [2018-11-18 12:34:01,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 12:34:01,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:34:01,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:01,101 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 289 proven. 24 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2018-11-18 12:34:01,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:34:01,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 281 states and 441 transitions. [2018-11-18 12:34:01,573 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 441 transitions. [2018-11-18 12:34:01,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 12:34:01,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:34:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:01,589 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 289 proven. 24 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2018-11-18 12:34:02,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:34:02,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 283 states and 442 transitions. [2018-11-18 12:34:02,253 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 442 transitions. [2018-11-18 12:34:02,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 12:34:02,254 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:34:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:03,937 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 867 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:34:04,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:34:04,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 284 states and 444 transitions. [2018-11-18 12:34:04,903 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 444 transitions. [2018-11-18 12:34:04,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 12:34:04,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:34:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:06,303 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 867 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:34:06,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:34:06,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 283 states and 441 transitions. [2018-11-18 12:34:06,848 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 441 transitions. [2018-11-18 12:34:06,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 12:34:06,849 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:34:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:06,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 309 proven. 24 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2018-11-18 12:34:07,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:34:07,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 284 states and 442 transitions. [2018-11-18 12:34:07,549 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 442 transitions. [2018-11-18 12:34:07,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 12:34:07,549 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:34:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:07,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 309 proven. 24 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2018-11-18 12:34:08,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:34:08,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 206 states and 271 transitions. [2018-11-18 12:34:08,545 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 271 transitions. [2018-11-18 12:34:08,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:34:08,546 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 117 iterations. [2018-11-18 12:34:08,553 INFO L775 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-18 12:34:10,220 WARN L180 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2018-11-18 12:34:11,605 WARN L180 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2018-11-18 12:34:11,814 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2018-11-18 12:34:11,814 INFO L579 CodeCheckObserver]: Invariant with dag size 100 [2018-11-18 12:34:11,830 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:34:11,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:34:11 ImpRootNode [2018-11-18 12:34:11,831 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:34:11,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:34:11,831 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:34:11,831 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:34:11,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:32:41" (3/4) ... [2018-11-18 12:34:11,836 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:34:11,846 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 12:34:11,847 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:34:11,847 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 12:34:11,877 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_db29ca16-d28e-492c-b5a3-b06d3656efe4/bin-2019/ukojak/witness.graphml [2018-11-18 12:34:11,877 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:34:11,878 INFO L168 Benchmark]: Toolchain (without parser) took 91270.56 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 959.3 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 92.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:34:11,879 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:34:11,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 159.04 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:34:11,879 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.10 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:34:11,880 INFO L168 Benchmark]: Boogie Preprocessor took 16.97 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:34:11,880 INFO L168 Benchmark]: RCFGBuilder took 225.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -194.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:34:11,880 INFO L168 Benchmark]: CodeCheck took 90790.84 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-18 12:34:11,881 INFO L168 Benchmark]: Witness Printer took 46.07 ms. Allocated memory is still 2.4 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:34:11,883 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, 16 locations, 4 error locations. SAFE Result, 87.4s OverallTime, 117 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -1295294504 SDslu, 272701440 SDs, 0 SdLazy, 1653532308 SolverSat, 886276652 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 78.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62671 GetRequests, 55955 SyntacticMatches, 5748 SemanticMatches, 968 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 795453 ImplicationChecksByTransitivity, 82.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 22.2s InterpolantComputationTime, 6585 NumberOfCodeBlocks, 6585 NumberOfCodeBlocksAsserted, 116 NumberOfCheckSat, 6469 ConstructedInterpolants, 0 QuantifiedInterpolants, 1362305 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 116 InterpolantComputations, 9 PerfectInterpolantSequences, 15635/36824 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: 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: 18]: Loop Invariant Derived loop invariant: ((((((((((((((((((y <= 13 && x <= y + 2147483646) && 12 < y) || ((y <= 11 && x <= y + 2147483646) && 10 < y)) || ((x <= y + 2147483646 && 9 < y) && y <= 10)) || ((y <= 1 && x <= y + 2147483646) && 1 <= y)) || ((y <= 5 && x <= 2 * y + 2147483637) && 4 < y)) || ((14 < y && x <= y + 2147483646) && y <= 15)) || ((15 < y && x <= y + 2147483631) && y <= 16)) || ((x <= 2 * y + 2147483641 && y <= 3) && 2 < y)) || ((x <= y + 2147483646 && 7 < y) && y <= 8)) || ((3 < y && y <= 4) && x <= y + 2147483646)) || ((y <= 9 && x <= y + 2147483646) && 8 < y)) || ((x <= y + 2147483646 && 11 < y) && y <= 12)) || ((17 < y && x + 2 * y <= 2147483650) && y <= 2147483647)) || ((x <= y + 2147483646 && 13 < y) && y <= 14)) || ((x + y <= 2147483648 && 16 < y) && y <= 17)) || ((x <= 2 * y + 2147483635 && y <= 6) && 5 < y)) || ((x <= y + 2147483646 && 6 < y) && y <= 7)) || ((y <= 2 && x <= 2 * y + 2147483643) && 1 < y) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 159.04 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.10 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.97 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 225.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -194.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * CodeCheck took 90790.84 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 46.07 ms. Allocated memory is still 2.4 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...