./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label53_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_606b9fe3-6856-49df-ae9e-c0e730bbc483/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_606b9fe3-6856-49df-ae9e-c0e730bbc483/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_606b9fe3-6856-49df-ae9e-c0e730bbc483/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_606b9fe3-6856-49df-ae9e-c0e730bbc483/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label53_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_606b9fe3-6856-49df-ae9e-c0e730bbc483/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_606b9fe3-6856-49df-ae9e-c0e730bbc483/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cae8686038ca87cfc982771df117a4c5585b00bb ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 12:35:01,649 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:35:01,650 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:35:01,656 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:35:01,656 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:35:01,657 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:35:01,657 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:35:01,658 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:35:01,659 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:35:01,659 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:35:01,660 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:35:01,660 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:35:01,660 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:35:01,661 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:35:01,661 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:35:01,661 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:35:01,662 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:35:01,663 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:35:01,664 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:35:01,664 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:35:01,665 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:35:01,665 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:35:01,666 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:35:01,667 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:35:01,667 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:35:01,667 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:35:01,668 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:35:01,668 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:35:01,668 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:35:01,669 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:35:01,669 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:35:01,669 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:35:01,669 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:35:01,669 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:35:01,670 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:35:01,670 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:35:01,670 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_606b9fe3-6856-49df-ae9e-c0e730bbc483/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 12:35:01,677 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:35:01,678 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:35:01,678 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:35:01,678 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 12:35:01,679 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:35:01,679 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:35:01,679 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:35:01,679 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:35:01,679 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:35:01,679 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:35:01,679 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:35:01,679 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 12:35:01,679 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:35:01,679 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 12:35:01,679 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:35:01,679 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:35:01,680 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:35:01,680 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 12:35:01,680 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 12:35:01,680 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 12:35:01,680 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:35:01,680 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:35:01,680 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 12:35:01,680 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:35:01,680 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:35:01,680 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 12:35:01,680 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 12:35:01,680 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:35:01,681 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 12:35:01,681 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_606b9fe3-6856-49df-ae9e-c0e730bbc483/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cae8686038ca87cfc982771df117a4c5585b00bb [2018-12-08 12:35:01,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:35:01,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:35:01,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:35:01,711 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:35:01,711 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:35:01,712 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_606b9fe3-6856-49df-ae9e-c0e730bbc483/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label53_true-unreach-call_false-termination.c [2018-12-08 12:35:01,758 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_606b9fe3-6856-49df-ae9e-c0e730bbc483/bin-2019/ukojak/data/cfbe35fd6/f871713931244767883c918420fa209a/FLAG995b03968 [2018-12-08 12:35:02,187 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:35:02,187 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_606b9fe3-6856-49df-ae9e-c0e730bbc483/sv-benchmarks/c/eca-rers2012/Problem02_label53_true-unreach-call_false-termination.c [2018-12-08 12:35:02,194 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_606b9fe3-6856-49df-ae9e-c0e730bbc483/bin-2019/ukojak/data/cfbe35fd6/f871713931244767883c918420fa209a/FLAG995b03968 [2018-12-08 12:35:02,203 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_606b9fe3-6856-49df-ae9e-c0e730bbc483/bin-2019/ukojak/data/cfbe35fd6/f871713931244767883c918420fa209a [2018-12-08 12:35:02,205 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:35:02,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:35:02,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:35:02,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:35:02,208 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:35:02,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:35:02" (1/1) ... [2018-12-08 12:35:02,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f79c046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:35:02, skipping insertion in model container [2018-12-08 12:35:02,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:35:02" (1/1) ... [2018-12-08 12:35:02,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:35:02,239 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:35:02,421 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:35:02,424 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:35:02,518 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:35:02,527 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:35:02,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:35:02 WrapperNode [2018-12-08 12:35:02,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:35:02,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:35:02,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:35:02,528 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:35:02,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:35:02" (1/1) ... [2018-12-08 12:35:02,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:35:02" (1/1) ... [2018-12-08 12:35:02,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:35:02,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:35:02,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:35:02,568 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:35:02,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:35:02" (1/1) ... [2018-12-08 12:35:02,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:35:02" (1/1) ... [2018-12-08 12:35:02,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:35:02" (1/1) ... [2018-12-08 12:35:02,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:35:02" (1/1) ... [2018-12-08 12:35:02,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:35:02" (1/1) ... [2018-12-08 12:35:02,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:35:02" (1/1) ... [2018-12-08 12:35:02,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:35:02" (1/1) ... [2018-12-08 12:35:02,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:35:02,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:35:02,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:35:02,597 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:35:02,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:35:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_606b9fe3-6856-49df-ae9e-c0e730bbc483/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 12:35:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:35:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:35:03,695 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:35:03,695 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 12:35:03,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:35:03 BoogieIcfgContainer [2018-12-08 12:35:03,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:35:03,696 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 12:35:03,696 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 12:35:03,705 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 12:35:03,705 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:35:03" (1/1) ... [2018-12-08 12:35:03,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:35:03,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:03,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-08 12:35:03,742 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-08 12:35:03,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 12:35:03,745 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:03,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:04,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:04,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 163 states and 240 transitions. [2018-12-08 12:35:04,241 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 240 transitions. [2018-12-08 12:35:04,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 12:35:04,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:04,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:35:04,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:04,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 164 states and 243 transitions. [2018-12-08 12:35:04,367 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 243 transitions. [2018-12-08 12:35:04,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-08 12:35:04,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:04,408 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:04,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:04,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 181 states and 268 transitions. [2018-12-08 12:35:04,524 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 268 transitions. [2018-12-08 12:35:04,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-08 12:35:04,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:04,557 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:04,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:04,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 199 states and 292 transitions. [2018-12-08 12:35:04,707 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 292 transitions. [2018-12-08 12:35:04,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 12:35:04,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:04,770 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:05,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:05,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 217 states and 319 transitions. [2018-12-08 12:35:05,087 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 319 transitions. [2018-12-08 12:35:05,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 12:35:05,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:05,159 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:35:05,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:05,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 239 states and 354 transitions. [2018-12-08 12:35:05,646 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 354 transitions. [2018-12-08 12:35:05,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 12:35:05,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:05,688 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:35:06,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:06,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 256 states and 375 transitions. [2018-12-08 12:35:06,035 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 375 transitions. [2018-12-08 12:35:06,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 12:35:06,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:06,056 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:06,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:06,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 260 states and 380 transitions. [2018-12-08 12:35:06,227 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 380 transitions. [2018-12-08 12:35:06,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 12:35:06,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:06,242 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:06,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:06,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 264 states and 387 transitions. [2018-12-08 12:35:06,440 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 387 transitions. [2018-12-08 12:35:06,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 12:35:06,441 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:06,454 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:06,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:06,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 267 states and 391 transitions. [2018-12-08 12:35:06,565 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 391 transitions. [2018-12-08 12:35:06,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 12:35:06,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:06,626 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:07,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:07,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 290 states and 425 transitions. [2018-12-08 12:35:07,168 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 425 transitions. [2018-12-08 12:35:07,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 12:35:07,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:07,236 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:35:07,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:07,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 369 states and 512 transitions. [2018-12-08 12:35:07,570 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 512 transitions. [2018-12-08 12:35:07,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 12:35:07,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:07,597 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:07,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:07,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 387 states and 533 transitions. [2018-12-08 12:35:07,864 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 533 transitions. [2018-12-08 12:35:07,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 12:35:07,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:07,886 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:07,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:08,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 389 states and 535 transitions. [2018-12-08 12:35:08,000 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 535 transitions. [2018-12-08 12:35:08,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 12:35:08,001 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:08,053 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:08,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:08,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 411 states and 569 transitions. [2018-12-08 12:35:08,828 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 569 transitions. [2018-12-08 12:35:08,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 12:35:08,829 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:08,880 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:08,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:08,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 414 states and 572 transitions. [2018-12-08 12:35:08,991 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 572 transitions. [2018-12-08 12:35:08,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 12:35:08,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:09,029 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:09,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:09,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 417 states and 575 transitions. [2018-12-08 12:35:09,152 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 575 transitions. [2018-12-08 12:35:09,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 12:35:09,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:09,184 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:09,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:09,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 420 states and 580 transitions. [2018-12-08 12:35:09,299 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 580 transitions. [2018-12-08 12:35:09,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 12:35:09,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:09,340 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:09,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:09,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 435 states and 597 transitions. [2018-12-08 12:35:09,832 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 597 transitions. [2018-12-08 12:35:09,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 12:35:09,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:09,873 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:09,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:09,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 438 states and 600 transitions. [2018-12-08 12:35:09,994 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 600 transitions. [2018-12-08 12:35:09,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 12:35:09,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:10,121 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:10,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:10,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 445 states and 608 transitions. [2018-12-08 12:35:10,391 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 608 transitions. [2018-12-08 12:35:10,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-08 12:35:10,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:10,405 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:10,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:10,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 451 states and 616 transitions. [2018-12-08 12:35:10,492 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 616 transitions. [2018-12-08 12:35:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-08 12:35:10,493 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:10,588 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:10,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:10,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 457 states and 626 transitions. [2018-12-08 12:35:10,996 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 626 transitions. [2018-12-08 12:35:10,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-08 12:35:10,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:11,103 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:11,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:11,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 460 states and 630 transitions. [2018-12-08 12:35:11,387 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 630 transitions. [2018-12-08 12:35:11,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-08 12:35:11,388 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:11,402 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:11,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:11,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 471 states and 643 transitions. [2018-12-08 12:35:11,617 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 643 transitions. [2018-12-08 12:35:11,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-08 12:35:11,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:11,640 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:11,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:11,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 472 states and 643 transitions. [2018-12-08 12:35:11,731 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 643 transitions. [2018-12-08 12:35:11,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 12:35:11,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:11,746 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:35:12,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:12,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 478 states and 652 transitions. [2018-12-08 12:35:12,092 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 652 transitions. [2018-12-08 12:35:12,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-08 12:35:12,092 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:12,120 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 12:35:12,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:12,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 487 states and 663 transitions. [2018-12-08 12:35:12,370 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 663 transitions. [2018-12-08 12:35:12,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 12:35:12,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:12,388 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:12,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:12,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 514 states and 692 transitions. [2018-12-08 12:35:12,591 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 692 transitions. [2018-12-08 12:35:12,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 12:35:12,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:12,608 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:35:12,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:12,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 520 states and 697 transitions. [2018-12-08 12:35:12,823 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 697 transitions. [2018-12-08 12:35:12,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 12:35:12,823 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:12,839 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:12,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:12,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 522 states and 699 transitions. [2018-12-08 12:35:12,977 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 699 transitions. [2018-12-08 12:35:12,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 12:35:12,977 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:12,992 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:13,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:13,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 525 states and 702 transitions. [2018-12-08 12:35:13,089 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 702 transitions. [2018-12-08 12:35:13,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-08 12:35:13,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:13,134 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 12:35:13,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:13,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 531 states and 708 transitions. [2018-12-08 12:35:13,248 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 708 transitions. [2018-12-08 12:35:13,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-08 12:35:13,249 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:13,271 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:13,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:13,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 536 states and 714 transitions. [2018-12-08 12:35:13,370 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 714 transitions. [2018-12-08 12:35:13,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 12:35:13,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:13,392 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:35:13,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:13,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 541 states and 718 transitions. [2018-12-08 12:35:13,412 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 718 transitions. [2018-12-08 12:35:13,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 12:35:13,413 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:13,428 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:35:13,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:13,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 543 states and 720 transitions. [2018-12-08 12:35:13,563 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 720 transitions. [2018-12-08 12:35:13,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 12:35:13,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:13,578 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 12:35:13,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:13,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 550 states and 729 transitions. [2018-12-08 12:35:13,605 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 729 transitions. [2018-12-08 12:35:13,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 12:35:13,605 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:13,622 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:35:13,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:13,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 555 states and 734 transitions. [2018-12-08 12:35:13,652 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 734 transitions. [2018-12-08 12:35:13,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-08 12:35:13,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:13,691 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:35:13,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:13,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 556 states and 735 transitions. [2018-12-08 12:35:13,708 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 735 transitions. [2018-12-08 12:35:13,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 12:35:13,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:13,736 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:13,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:13,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 562 states and 740 transitions. [2018-12-08 12:35:13,765 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 740 transitions. [2018-12-08 12:35:13,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 12:35:13,765 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:13,784 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:13,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:13,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 572 states and 749 transitions. [2018-12-08 12:35:13,912 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 749 transitions. [2018-12-08 12:35:13,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 12:35:13,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:13,944 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:35:14,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:14,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 591 states and 771 transitions. [2018-12-08 12:35:14,519 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 771 transitions. [2018-12-08 12:35:14,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 12:35:14,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:14,553 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:35:14,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:14,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 592 states and 772 transitions. [2018-12-08 12:35:14,588 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 772 transitions. [2018-12-08 12:35:14,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 12:35:14,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:14,655 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:14,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:14,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 623 states and 807 transitions. [2018-12-08 12:35:14,756 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 807 transitions. [2018-12-08 12:35:14,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-08 12:35:14,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:14,771 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:35:14,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:14,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 640 states and 824 transitions. [2018-12-08 12:35:14,872 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 824 transitions. [2018-12-08 12:35:14,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-08 12:35:14,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:15,304 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:17,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:17,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 707 states and 900 transitions. [2018-12-08 12:35:17,146 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 900 transitions. [2018-12-08 12:35:17,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-08 12:35:17,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:17,178 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:35:17,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:17,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 713 states and 907 transitions. [2018-12-08 12:35:17,436 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 907 transitions. [2018-12-08 12:35:17,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-08 12:35:17,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:17,469 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:35:17,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:17,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 715 states and 908 transitions. [2018-12-08 12:35:17,618 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 908 transitions. [2018-12-08 12:35:17,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 12:35:17,619 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:17,647 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:18,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:18,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 730 states and 926 transitions. [2018-12-08 12:35:18,059 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 926 transitions. [2018-12-08 12:35:18,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 12:35:18,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:18,089 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:18,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:18,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 745 states and 943 transitions. [2018-12-08 12:35:18,596 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 943 transitions. [2018-12-08 12:35:18,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 12:35:18,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:18,699 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:18,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:18,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 752 states and 949 transitions. [2018-12-08 12:35:18,942 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 949 transitions. [2018-12-08 12:35:18,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 12:35:18,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:19,293 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:22,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:22,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 817 states and 1030 transitions. [2018-12-08 12:35:22,650 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1030 transitions. [2018-12-08 12:35:22,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 12:35:22,651 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:22,689 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:22,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:22,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 820 states and 1033 transitions. [2018-12-08 12:35:22,937 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1033 transitions. [2018-12-08 12:35:22,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 12:35:22,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:22,981 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:23,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:23,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 823 states and 1036 transitions. [2018-12-08 12:35:23,188 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1036 transitions. [2018-12-08 12:35:23,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 12:35:23,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:23,224 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:23,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:23,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 826 states and 1039 transitions. [2018-12-08 12:35:23,464 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1039 transitions. [2018-12-08 12:35:23,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 12:35:23,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:23,515 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:24,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:24,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 838 states and 1057 transitions. [2018-12-08 12:35:24,066 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1057 transitions. [2018-12-08 12:35:24,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 12:35:24,066 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:24,091 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:35:24,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:24,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 886 states and 1107 transitions. [2018-12-08 12:35:24,324 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1107 transitions. [2018-12-08 12:35:24,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-08 12:35:24,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:24,427 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:24,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:24,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 900 states and 1122 transitions. [2018-12-08 12:35:24,850 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1122 transitions. [2018-12-08 12:35:24,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-08 12:35:24,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:24,954 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:25,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:25,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 902 states and 1123 transitions. [2018-12-08 12:35:25,136 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1123 transitions. [2018-12-08 12:35:25,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 12:35:25,137 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:25,333 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:28,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:28,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 952 states and 1177 transitions. [2018-12-08 12:35:28,319 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1177 transitions. [2018-12-08 12:35:28,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 12:35:28,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:28,419 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:29,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:29,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 970 states and 1195 transitions. [2018-12-08 12:35:29,323 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1195 transitions. [2018-12-08 12:35:29,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-08 12:35:29,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:29,369 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:30,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:30,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1002 states and 1227 transitions. [2018-12-08 12:35:30,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1227 transitions. [2018-12-08 12:35:30,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 12:35:30,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:30,896 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 12:35:31,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:31,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1009 states and 1239 transitions. [2018-12-08 12:35:31,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1239 transitions. [2018-12-08 12:35:31,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 12:35:31,632 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:31,648 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 12:35:31,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:31,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1012 states and 1242 transitions. [2018-12-08 12:35:31,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1242 transitions. [2018-12-08 12:35:31,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 12:35:31,883 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:31,921 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-08 12:35:31,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:31,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1013 states and 1242 transitions. [2018-12-08 12:35:31,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1242 transitions. [2018-12-08 12:35:31,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-08 12:35:31,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:31,968 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:32,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:32,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1029 states and 1260 transitions. [2018-12-08 12:35:32,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1260 transitions. [2018-12-08 12:35:32,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-08 12:35:32,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:32,347 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 12:35:33,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:33,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1058 states and 1290 transitions. [2018-12-08 12:35:33,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1290 transitions. [2018-12-08 12:35:33,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 12:35:33,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:33,532 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 12:35:34,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:34,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1091 states and 1336 transitions. [2018-12-08 12:35:34,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1336 transitions. [2018-12-08 12:35:34,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 12:35:34,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:34,590 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 12:35:34,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:34,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1102 states and 1348 transitions. [2018-12-08 12:35:34,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1348 transitions. [2018-12-08 12:35:34,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 12:35:34,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:35,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:35,051 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 12:35:35,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:35,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1109 states and 1354 transitions. [2018-12-08 12:35:35,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1354 transitions. [2018-12-08 12:35:35,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 12:35:35,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:35,538 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 12:35:35,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:35,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1115 states and 1359 transitions. [2018-12-08 12:35:35,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1359 transitions. [2018-12-08 12:35:35,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-08 12:35:35,658 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:35,697 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:35:35,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:35,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1117 states and 1363 transitions. [2018-12-08 12:35:35,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1363 transitions. [2018-12-08 12:35:35,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-08 12:35:35,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:35,994 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 12:35:36,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:36,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1146 states and 1394 transitions. [2018-12-08 12:35:36,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1394 transitions. [2018-12-08 12:35:36,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-08 12:35:36,472 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:36,545 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 12:35:36,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:36,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1150 states and 1401 transitions. [2018-12-08 12:35:36,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1401 transitions. [2018-12-08 12:35:36,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-08 12:35:36,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:36,921 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:35:36,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:36,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1151 states and 1402 transitions. [2018-12-08 12:35:36,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1402 transitions. [2018-12-08 12:35:36,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 12:35:36,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:37,069 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 12:35:37,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:37,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1152 states and 1402 transitions. [2018-12-08 12:35:37,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1402 transitions. [2018-12-08 12:35:37,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 12:35:37,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:37,263 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 12:35:38,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:38,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1162 states and 1419 transitions. [2018-12-08 12:35:38,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1419 transitions. [2018-12-08 12:35:38,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-08 12:35:38,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:38,436 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:35:38,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:38,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1163 states and 1420 transitions. [2018-12-08 12:35:38,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1420 transitions. [2018-12-08 12:35:38,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 12:35:38,452 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:38,506 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 12:35:38,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:38,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1164 states and 1420 transitions. [2018-12-08 12:35:38,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1420 transitions. [2018-12-08 12:35:38,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-08 12:35:38,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:38,780 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 12:35:39,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:39,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1243 states and 1503 transitions. [2018-12-08 12:35:39,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1503 transitions. [2018-12-08 12:35:39,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 12:35:39,628 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:39,651 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 12:35:39,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:39,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1246 states and 1508 transitions. [2018-12-08 12:35:39,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1508 transitions. [2018-12-08 12:35:39,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 12:35:39,676 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:39,705 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 12:35:41,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:41,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1274 states and 1547 transitions. [2018-12-08 12:35:41,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1547 transitions. [2018-12-08 12:35:41,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 12:35:41,774 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:41,809 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 12:35:42,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:42,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1290 states and 1563 transitions. [2018-12-08 12:35:42,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1563 transitions. [2018-12-08 12:35:42,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-08 12:35:42,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:42,588 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 12:35:46,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:46,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1330 states and 1609 transitions. [2018-12-08 12:35:46,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1609 transitions. [2018-12-08 12:35:46,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-08 12:35:46,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:46,952 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 12:35:47,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:47,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1332 states and 1610 transitions. [2018-12-08 12:35:47,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1610 transitions. [2018-12-08 12:35:47,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 12:35:47,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:47,398 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:35:47,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:47,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1357 states and 1634 transitions. [2018-12-08 12:35:47,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1634 transitions. [2018-12-08 12:35:47,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 12:35:47,644 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:47,669 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:48,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:48,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1388 states and 1672 transitions. [2018-12-08 12:35:48,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1672 transitions. [2018-12-08 12:35:48,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 12:35:48,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:48,791 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:51,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:51,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1413 states and 1700 transitions. [2018-12-08 12:35:51,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1700 transitions. [2018-12-08 12:35:51,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 12:35:51,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:51,587 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:52,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:52,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1420 states and 1706 transitions. [2018-12-08 12:35:52,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1706 transitions. [2018-12-08 12:35:52,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-08 12:35:52,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:52,046 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:35:52,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:52,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1427 states and 1713 transitions. [2018-12-08 12:35:52,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 1713 transitions. [2018-12-08 12:35:52,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 12:35:52,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:52,749 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 12:35:52,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:52,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1436 states and 1722 transitions. [2018-12-08 12:35:52,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 1722 transitions. [2018-12-08 12:35:52,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 12:35:52,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:52,997 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 12:35:53,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:53,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1443 states and 1730 transitions. [2018-12-08 12:35:53,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1730 transitions. [2018-12-08 12:35:53,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 12:35:53,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:53,673 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 12:35:57,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:35:57,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1512 states and 1804 transitions. [2018-12-08 12:35:57,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 1804 transitions. [2018-12-08 12:35:57,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 12:35:57,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:35:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:35:57,454 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 12:36:00,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:00,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1530 states and 1822 transitions. [2018-12-08 12:36:00,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 1822 transitions. [2018-12-08 12:36:00,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 12:36:00,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:00,110 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 12:36:00,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:00,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1575 states and 1866 transitions. [2018-12-08 12:36:00,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 1866 transitions. [2018-12-08 12:36:00,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 12:36:00,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:00,710 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:36:02,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:02,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1605 states and 1905 transitions. [2018-12-08 12:36:02,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 1905 transitions. [2018-12-08 12:36:02,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 12:36:02,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:02,625 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:36:02,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:02,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1608 states and 1908 transitions. [2018-12-08 12:36:02,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 1908 transitions. [2018-12-08 12:36:02,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 12:36:02,923 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:02,960 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:36:03,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:03,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1611 states and 1911 transitions. [2018-12-08 12:36:03,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1611 states and 1911 transitions. [2018-12-08 12:36:03,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 12:36:03,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:03,272 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:36:04,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:04,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1626 states and 1930 transitions. [2018-12-08 12:36:04,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 1930 transitions. [2018-12-08 12:36:04,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 12:36:04,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:04,467 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-08 12:36:04,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:04,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 1636 states and 1940 transitions. [2018-12-08 12:36:04,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 1940 transitions. [2018-12-08 12:36:04,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 12:36:04,791 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:04,815 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:36:05,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:05,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1657 states and 1965 transitions. [2018-12-08 12:36:05,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 1965 transitions. [2018-12-08 12:36:05,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 12:36:05,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:05,654 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:36:07,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:07,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1983 states to 1673 states and 1983 transitions. [2018-12-08 12:36:07,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 1983 transitions. [2018-12-08 12:36:07,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-08 12:36:07,110 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:07,149 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:36:07,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:07,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1680 states and 1989 transitions. [2018-12-08 12:36:07,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 1989 transitions. [2018-12-08 12:36:07,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-08 12:36:07,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:07,772 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 12:36:08,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:08,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 1699 states and 2009 transitions. [2018-12-08 12:36:08,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2009 transitions. [2018-12-08 12:36:08,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-08 12:36:08,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:08,256 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 12:36:08,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:08,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 1708 states and 2017 transitions. [2018-12-08 12:36:08,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2017 transitions. [2018-12-08 12:36:08,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-08 12:36:08,430 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:09,017 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 144 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:36:10,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:10,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2022 states to 1712 states and 2022 transitions. [2018-12-08 12:36:10,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2022 transitions. [2018-12-08 12:36:10,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-08 12:36:10,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:10,309 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:36:12,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:12,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 1740 states and 2065 transitions. [2018-12-08 12:36:12,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2065 transitions. [2018-12-08 12:36:12,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-08 12:36:12,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:12,339 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:36:13,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:13,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 1748 states and 2072 transitions. [2018-12-08 12:36:13,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2072 transitions. [2018-12-08 12:36:13,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-08 12:36:13,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:13,354 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:36:13,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:13,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 1751 states and 2075 transitions. [2018-12-08 12:36:13,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2075 transitions. [2018-12-08 12:36:13,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-08 12:36:13,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:13,773 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:36:14,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:14,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 1754 states and 2078 transitions. [2018-12-08 12:36:14,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 2078 transitions. [2018-12-08 12:36:14,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-08 12:36:14,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:14,190 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:36:14,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:14,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 1757 states and 2081 transitions. [2018-12-08 12:36:14,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 2081 transitions. [2018-12-08 12:36:14,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-08 12:36:14,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:14,592 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 12:36:15,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:15,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 1762 states and 2087 transitions. [2018-12-08 12:36:15,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2087 transitions. [2018-12-08 12:36:15,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-08 12:36:15,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:16,037 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 107 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 12:36:16,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:16,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2094 states to 1769 states and 2094 transitions. [2018-12-08 12:36:16,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2094 transitions. [2018-12-08 12:36:16,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-08 12:36:16,414 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:16,437 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 12:36:16,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:16,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 1773 states and 2099 transitions. [2018-12-08 12:36:16,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2099 transitions. [2018-12-08 12:36:16,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-08 12:36:16,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:16,907 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 12:36:17,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:17,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 1776 states and 2102 transitions. [2018-12-08 12:36:17,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2102 transitions. [2018-12-08 12:36:17,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 12:36:17,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:17,221 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 12:36:17,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:17,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 1792 states and 2118 transitions. [2018-12-08 12:36:17,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2118 transitions. [2018-12-08 12:36:17,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-08 12:36:17,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:17,305 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:36:17,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:17,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 1804 states and 2131 transitions. [2018-12-08 12:36:17,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2131 transitions. [2018-12-08 12:36:17,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-08 12:36:17,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:17,539 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 12:36:18,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:18,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 1811 states and 2137 transitions. [2018-12-08 12:36:18,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2137 transitions. [2018-12-08 12:36:18,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-08 12:36:18,074 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:18,099 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 12:36:18,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:18,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 1838 states and 2165 transitions. [2018-12-08 12:36:18,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2165 transitions. [2018-12-08 12:36:18,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-08 12:36:18,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:18,536 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 12:36:18,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:18,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 1843 states and 2169 transitions. [2018-12-08 12:36:18,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2169 transitions. [2018-12-08 12:36:18,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 12:36:18,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:18,858 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 12:36:23,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:23,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2204 states to 1868 states and 2204 transitions. [2018-12-08 12:36:23,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2204 transitions. [2018-12-08 12:36:23,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 12:36:23,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:23,760 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 12:36:24,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:24,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 1871 states and 2207 transitions. [2018-12-08 12:36:24,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2207 transitions. [2018-12-08 12:36:24,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 12:36:24,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:24,313 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 12:36:25,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:25,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 1879 states and 2218 transitions. [2018-12-08 12:36:25,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2218 transitions. [2018-12-08 12:36:25,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 12:36:25,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:25,556 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 12:36:25,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:25,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 1882 states and 2221 transitions. [2018-12-08 12:36:25,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2221 transitions. [2018-12-08 12:36:25,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-08 12:36:25,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:26,025 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 120 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 12:36:26,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:26,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 1885 states and 2224 transitions. [2018-12-08 12:36:26,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 2224 transitions. [2018-12-08 12:36:26,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 12:36:26,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:26,401 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 12:36:26,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:26,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 1894 states and 2233 transitions. [2018-12-08 12:36:26,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2233 transitions. [2018-12-08 12:36:26,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-08 12:36:26,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:26,638 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:36:26,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:26,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2250 states to 1909 states and 2250 transitions. [2018-12-08 12:36:26,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 2250 transitions. [2018-12-08 12:36:26,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-08 12:36:26,840 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:26,881 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 12:36:27,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:27,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2333 states to 1988 states and 2333 transitions. [2018-12-08 12:36:27,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2333 transitions. [2018-12-08 12:36:27,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-08 12:36:27,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:27,871 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 152 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-08 12:36:28,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:28,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 2043 states and 2389 transitions. [2018-12-08 12:36:28,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2043 states and 2389 transitions. [2018-12-08 12:36:28,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-08 12:36:28,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:28,644 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 152 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-08 12:36:29,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:29,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2075 states and 2420 transitions. [2018-12-08 12:36:29,276 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2420 transitions. [2018-12-08 12:36:29,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-08 12:36:29,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:29,346 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-08 12:36:30,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:30,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2145 states and 2493 transitions. [2018-12-08 12:36:30,474 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2493 transitions. [2018-12-08 12:36:30,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-08 12:36:30,475 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:31,907 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 12:36:34,025 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-08 12:36:37,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:37,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2218 states and 2569 transitions. [2018-12-08 12:36:37,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2218 states and 2569 transitions. [2018-12-08 12:36:37,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-08 12:36:37,881 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:37,984 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 12:36:39,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:39,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2250 states and 2600 transitions. [2018-12-08 12:36:39,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2250 states and 2600 transitions. [2018-12-08 12:36:39,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-08 12:36:39,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:39,473 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 177 proven. 10 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 12:36:39,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:39,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2606 states to 2256 states and 2606 transitions. [2018-12-08 12:36:39,867 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 2606 transitions. [2018-12-08 12:36:39,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-08 12:36:39,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:39,924 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 177 proven. 10 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 12:36:40,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:40,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 2259 states and 2608 transitions. [2018-12-08 12:36:40,152 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2608 transitions. [2018-12-08 12:36:40,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-08 12:36:40,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:40,349 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-08 12:36:44,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:44,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2310 states and 2663 transitions. [2018-12-08 12:36:44,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 2663 transitions. [2018-12-08 12:36:44,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-08 12:36:44,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:44,165 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-08 12:36:44,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:44,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2337 states and 2689 transitions. [2018-12-08 12:36:44,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2337 states and 2689 transitions. [2018-12-08 12:36:44,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-12-08 12:36:44,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:45,017 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-08 12:36:45,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:45,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2353 states and 2704 transitions. [2018-12-08 12:36:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand 2353 states and 2704 transitions. [2018-12-08 12:36:45,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-08 12:36:45,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:45,532 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 179 proven. 10 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-08 12:36:45,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:45,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2357 states and 2710 transitions. [2018-12-08 12:36:45,573 INFO L276 IsEmpty]: Start isEmpty. Operand 2357 states and 2710 transitions. [2018-12-08 12:36:45,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-08 12:36:45,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:45,717 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 12:36:45,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:45,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2358 states and 2710 transitions. [2018-12-08 12:36:45,911 INFO L276 IsEmpty]: Start isEmpty. Operand 2358 states and 2710 transitions. [2018-12-08 12:36:45,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-08 12:36:45,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:45,968 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 179 proven. 5 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 12:36:47,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:47,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 2427 states and 2785 transitions. [2018-12-08 12:36:47,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 2785 transitions. [2018-12-08 12:36:47,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-08 12:36:47,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:47,801 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 179 proven. 5 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 12:36:51,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:51,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2459 states and 2818 transitions. [2018-12-08 12:36:51,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2459 states and 2818 transitions. [2018-12-08 12:36:51,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-08 12:36:51,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 179 proven. 5 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 12:36:51,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:51,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2461 states and 2819 transitions. [2018-12-08 12:36:51,561 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 2819 transitions. [2018-12-08 12:36:51,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-08 12:36:51,562 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:51,592 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 232 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 12:36:52,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:52,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2858 states to 2500 states and 2858 transitions. [2018-12-08 12:36:52,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 2858 transitions. [2018-12-08 12:36:52,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-08 12:36:52,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:36:53,165 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 12:36:55,430 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-08 12:36:57,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:36:57,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 2567 states and 2927 transitions. [2018-12-08 12:36:57,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 2927 transitions. [2018-12-08 12:36:57,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-08 12:36:57,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:36:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:02,752 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 261 proven. 61 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 12:37:05,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:05,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2978 states to 2612 states and 2978 transitions. [2018-12-08 12:37:05,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 2978 transitions. [2018-12-08 12:37:05,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-12-08 12:37:05,621 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:05,669 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-08 12:37:05,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:05,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2999 states to 2633 states and 2999 transitions. [2018-12-08 12:37:05,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 2999 transitions. [2018-12-08 12:37:05,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-08 12:37:05,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:06,029 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-12-08 12:37:06,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:06,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 2634 states and 3000 transitions. [2018-12-08 12:37:06,230 INFO L276 IsEmpty]: Start isEmpty. Operand 2634 states and 3000 transitions. [2018-12-08 12:37:06,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-12-08 12:37:06,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:06,372 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-08 12:37:06,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:06,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3000 states to 2635 states and 3000 transitions. [2018-12-08 12:37:06,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2635 states and 3000 transitions. [2018-12-08 12:37:06,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-08 12:37:06,592 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:07,162 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 12:37:09,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:09,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3081 states to 2713 states and 3081 transitions. [2018-12-08 12:37:09,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 3081 transitions. [2018-12-08 12:37:09,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-08 12:37:09,713 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:10,082 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 349 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 12:37:11,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:11,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3139 states to 2769 states and 3139 transitions. [2018-12-08 12:37:11,719 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 3139 transitions. [2018-12-08 12:37:11,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-12-08 12:37:11,720 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:11,789 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 215 proven. 10 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 12:37:12,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:12,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3158 states to 2785 states and 3158 transitions. [2018-12-08 12:37:12,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 3158 transitions. [2018-12-08 12:37:12,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-12-08 12:37:12,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:12,861 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 215 proven. 10 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 12:37:13,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:13,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3173 states to 2801 states and 3173 transitions. [2018-12-08 12:37:13,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3173 transitions. [2018-12-08 12:37:13,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-12-08 12:37:13,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:14,022 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 215 proven. 10 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 12:37:15,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:15,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 2808 states and 3179 transitions. [2018-12-08 12:37:15,122 INFO L276 IsEmpty]: Start isEmpty. Operand 2808 states and 3179 transitions. [2018-12-08 12:37:15,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-08 12:37:15,124 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:15,298 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 291 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-08 12:37:18,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:18,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3206 states to 2832 states and 3206 transitions. [2018-12-08 12:37:18,062 INFO L276 IsEmpty]: Start isEmpty. Operand 2832 states and 3206 transitions. [2018-12-08 12:37:18,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-08 12:37:18,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:18,200 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 291 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-08 12:37:18,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:18,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3210 states to 2835 states and 3210 transitions. [2018-12-08 12:37:18,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3210 transitions. [2018-12-08 12:37:18,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-08 12:37:18,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:18,776 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 291 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-08 12:37:19,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:19,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3211 states to 2836 states and 3211 transitions. [2018-12-08 12:37:19,216 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 3211 transitions. [2018-12-08 12:37:19,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-08 12:37:19,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:19,370 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 291 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-08 12:37:19,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:19,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 2839 states and 3214 transitions. [2018-12-08 12:37:19,779 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3214 transitions. [2018-12-08 12:37:19,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-08 12:37:19,780 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:19,856 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 211 proven. 5 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-08 12:37:21,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:21,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3258 states to 2879 states and 3258 transitions. [2018-12-08 12:37:21,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 3258 transitions. [2018-12-08 12:37:21,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-08 12:37:21,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:21,932 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 211 proven. 5 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-08 12:37:22,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:22,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 2882 states and 3261 transitions. [2018-12-08 12:37:22,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2882 states and 3261 transitions. [2018-12-08 12:37:22,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-08 12:37:22,332 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:22,400 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 211 proven. 5 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-08 12:37:22,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:22,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3264 states to 2885 states and 3264 transitions. [2018-12-08 12:37:22,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2885 states and 3264 transitions. [2018-12-08 12:37:22,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 12:37:22,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:24,076 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-08 12:37:33,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:33,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 2943 states and 3325 transitions. [2018-12-08 12:37:33,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2943 states and 3325 transitions. [2018-12-08 12:37:33,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 12:37:33,996 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:34,083 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-08 12:37:35,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:35,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 2944 states and 3324 transitions. [2018-12-08 12:37:35,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2944 states and 3324 transitions. [2018-12-08 12:37:35,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 12:37:35,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:35,826 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-08 12:37:36,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:36,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3309 states to 2930 states and 3309 transitions. [2018-12-08 12:37:36,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2930 states and 3309 transitions. [2018-12-08 12:37:36,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-08 12:37:36,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:37,717 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-08 12:37:39,709 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-08 12:37:41,286 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-08 12:37:45,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:45,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 2946 states and 3327 transitions. [2018-12-08 12:37:45,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 3327 transitions. [2018-12-08 12:37:45,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-08 12:37:45,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:45,649 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-08 12:37:49,113 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2018-12-08 12:37:49,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:49,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 2998 states and 3380 transitions. [2018-12-08 12:37:49,915 INFO L276 IsEmpty]: Start isEmpty. Operand 2998 states and 3380 transitions. [2018-12-08 12:37:49,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-08 12:37:49,917 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:50,026 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-08 12:37:51,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:51,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 3041 states and 3421 transitions. [2018-12-08 12:37:51,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 3421 transitions. [2018-12-08 12:37:51,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-08 12:37:51,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:53,043 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 12:37:58,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:58,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 3109 states and 3496 transitions. [2018-12-08 12:37:58,495 INFO L276 IsEmpty]: Start isEmpty. Operand 3109 states and 3496 transitions. [2018-12-08 12:37:58,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-08 12:37:58,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:58,633 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 12:37:59,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:37:59,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3499 states to 3112 states and 3499 transitions. [2018-12-08 12:37:59,734 INFO L276 IsEmpty]: Start isEmpty. Operand 3112 states and 3499 transitions. [2018-12-08 12:37:59,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-08 12:37:59,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:37:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:37:59,869 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-08 12:38:00,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:00,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3502 states to 3115 states and 3502 transitions. [2018-12-08 12:38:00,895 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 3502 transitions. [2018-12-08 12:38:00,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-08 12:38:00,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:02,561 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-08 12:38:03,740 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2018-12-08 12:38:04,947 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2018-12-08 12:38:05,993 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-08 12:38:13,263 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-08 12:38:15,663 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-08 12:38:17,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:17,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3568 states to 3173 states and 3568 transitions. [2018-12-08 12:38:17,826 INFO L276 IsEmpty]: Start isEmpty. Operand 3173 states and 3568 transitions. [2018-12-08 12:38:17,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-08 12:38:17,829 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:17,894 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 12:38:18,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:18,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3577 states to 3182 states and 3577 transitions. [2018-12-08 12:38:18,418 INFO L276 IsEmpty]: Start isEmpty. Operand 3182 states and 3577 transitions. [2018-12-08 12:38:18,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-08 12:38:18,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:18,718 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-12-08 12:38:22,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:22,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3252 states and 3652 transitions. [2018-12-08 12:38:22,153 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 3652 transitions. [2018-12-08 12:38:22,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-08 12:38:22,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:22,221 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-08 12:38:26,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:26,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3672 states to 3268 states and 3672 transitions. [2018-12-08 12:38:26,073 INFO L276 IsEmpty]: Start isEmpty. Operand 3268 states and 3672 transitions. [2018-12-08 12:38:26,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-12-08 12:38:26,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:26,145 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-08 12:38:26,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:26,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3677 states to 3275 states and 3677 transitions. [2018-12-08 12:38:26,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3275 states and 3677 transitions. [2018-12-08 12:38:26,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-08 12:38:26,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:27,026 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 351 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 12:38:31,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:31,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3758 states to 3353 states and 3758 transitions. [2018-12-08 12:38:31,186 INFO L276 IsEmpty]: Start isEmpty. Operand 3353 states and 3758 transitions. [2018-12-08 12:38:31,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-12-08 12:38:31,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 297 proven. 15 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2018-12-08 12:38:32,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:32,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3766 states to 3359 states and 3766 transitions. [2018-12-08 12:38:32,867 INFO L276 IsEmpty]: Start isEmpty. Operand 3359 states and 3766 transitions. [2018-12-08 12:38:32,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-08 12:38:32,869 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:33,018 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-08 12:38:34,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:34,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3770 states to 3364 states and 3770 transitions. [2018-12-08 12:38:34,107 INFO L276 IsEmpty]: Start isEmpty. Operand 3364 states and 3770 transitions. [2018-12-08 12:38:34,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-08 12:38:34,110 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:34,184 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-12-08 12:38:36,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:36,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3849 states to 3440 states and 3849 transitions. [2018-12-08 12:38:36,637 INFO L276 IsEmpty]: Start isEmpty. Operand 3440 states and 3849 transitions. [2018-12-08 12:38:36,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-08 12:38:36,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:36,745 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-12-08 12:38:37,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:37,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3857 states to 3449 states and 3857 transitions. [2018-12-08 12:38:37,571 INFO L276 IsEmpty]: Start isEmpty. Operand 3449 states and 3857 transitions. [2018-12-08 12:38:37,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-08 12:38:37,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:37,663 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-08 12:38:40,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:40,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3870 states to 3459 states and 3870 transitions. [2018-12-08 12:38:40,262 INFO L276 IsEmpty]: Start isEmpty. Operand 3459 states and 3870 transitions. [2018-12-08 12:38:40,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-08 12:38:40,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:40,368 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-08 12:38:43,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:43,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3877 states to 3464 states and 3877 transitions. [2018-12-08 12:38:43,715 INFO L276 IsEmpty]: Start isEmpty. Operand 3464 states and 3877 transitions. [2018-12-08 12:38:43,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-08 12:38:43,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:43,807 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-08 12:38:47,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:47,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3894 states to 3477 states and 3894 transitions. [2018-12-08 12:38:47,299 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 3894 transitions. [2018-12-08 12:38:47,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-08 12:38:47,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:47,380 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-08 12:38:47,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:47,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3894 states to 3478 states and 3894 transitions. [2018-12-08 12:38:47,694 INFO L276 IsEmpty]: Start isEmpty. Operand 3478 states and 3894 transitions. [2018-12-08 12:38:47,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-08 12:38:47,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:47,783 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-08 12:38:47,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:47,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3911 states to 3493 states and 3911 transitions. [2018-12-08 12:38:47,905 INFO L276 IsEmpty]: Start isEmpty. Operand 3493 states and 3911 transitions. [2018-12-08 12:38:47,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-08 12:38:47,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:48,008 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 285 proven. 15 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-08 12:38:49,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:49,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3914 states to 3496 states and 3914 transitions. [2018-12-08 12:38:49,013 INFO L276 IsEmpty]: Start isEmpty. Operand 3496 states and 3914 transitions. [2018-12-08 12:38:49,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-08 12:38:49,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:49,165 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-12-08 12:38:49,952 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-08 12:38:53,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:53,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3933 states to 3514 states and 3933 transitions. [2018-12-08 12:38:53,926 INFO L276 IsEmpty]: Start isEmpty. Operand 3514 states and 3933 transitions. [2018-12-08 12:38:53,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-08 12:38:53,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:54,023 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 281 proven. 10 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-08 12:38:55,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:55,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3943 states to 3522 states and 3943 transitions. [2018-12-08 12:38:55,370 INFO L276 IsEmpty]: Start isEmpty. Operand 3522 states and 3943 transitions. [2018-12-08 12:38:55,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-08 12:38:55,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:55,460 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 281 proven. 10 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-08 12:38:55,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:55,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3946 states to 3525 states and 3946 transitions. [2018-12-08 12:38:55,986 INFO L276 IsEmpty]: Start isEmpty. Operand 3525 states and 3946 transitions. [2018-12-08 12:38:55,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-08 12:38:55,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:56,077 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 281 proven. 10 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-08 12:38:56,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:56,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3949 states to 3528 states and 3949 transitions. [2018-12-08 12:38:56,653 INFO L276 IsEmpty]: Start isEmpty. Operand 3528 states and 3949 transitions. [2018-12-08 12:38:56,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-08 12:38:56,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:56,804 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-12-08 12:38:57,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:38:57,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3956 states to 3535 states and 3956 transitions. [2018-12-08 12:38:57,929 INFO L276 IsEmpty]: Start isEmpty. Operand 3535 states and 3956 transitions. [2018-12-08 12:38:57,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-08 12:38:57,931 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:38:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:38:58,079 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2018-12-08 12:39:01,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:01,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3987 states to 3567 states and 3987 transitions. [2018-12-08 12:39:01,223 INFO L276 IsEmpty]: Start isEmpty. Operand 3567 states and 3987 transitions. [2018-12-08 12:39:01,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-08 12:39:01,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:01,362 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 351 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-12-08 12:39:01,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:01,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3988 states to 3568 states and 3988 transitions. [2018-12-08 12:39:01,761 INFO L276 IsEmpty]: Start isEmpty. Operand 3568 states and 3988 transitions. [2018-12-08 12:39:01,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-08 12:39:01,762 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:01,926 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 351 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-12-08 12:39:02,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:02,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3988 states to 3569 states and 3988 transitions. [2018-12-08 12:39:02,247 INFO L276 IsEmpty]: Start isEmpty. Operand 3569 states and 3988 transitions. [2018-12-08 12:39:02,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-12-08 12:39:02,249 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 430 proven. 63 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 12:39:07,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:07,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4023 states to 3599 states and 4023 transitions. [2018-12-08 12:39:07,743 INFO L276 IsEmpty]: Start isEmpty. Operand 3599 states and 4023 transitions. [2018-12-08 12:39:07,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-08 12:39:07,745 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:07,824 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 466 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-08 12:39:08,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:08,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4042 states to 3615 states and 4042 transitions. [2018-12-08 12:39:08,612 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 4042 transitions. [2018-12-08 12:39:08,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-08 12:39:08,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:08,722 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 466 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-08 12:39:09,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:09,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4048 states to 3619 states and 4048 transitions. [2018-12-08 12:39:09,694 INFO L276 IsEmpty]: Start isEmpty. Operand 3619 states and 4048 transitions. [2018-12-08 12:39:09,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-08 12:39:09,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:09,769 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 466 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-08 12:39:10,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:10,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4049 states to 3620 states and 4049 transitions. [2018-12-08 12:39:10,344 INFO L276 IsEmpty]: Start isEmpty. Operand 3620 states and 4049 transitions. [2018-12-08 12:39:10,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-08 12:39:10,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:10,420 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 466 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-08 12:39:10,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:10,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4050 states to 3621 states and 4050 transitions. [2018-12-08 12:39:10,953 INFO L276 IsEmpty]: Start isEmpty. Operand 3621 states and 4050 transitions. [2018-12-08 12:39:10,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-08 12:39:10,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:11,044 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 469 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-08 12:39:11,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:11,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4059 states to 3630 states and 4059 transitions. [2018-12-08 12:39:11,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3630 states and 4059 transitions. [2018-12-08 12:39:11,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-08 12:39:11,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:11,164 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 469 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-08 12:39:11,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:11,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4096 states to 3668 states and 4096 transitions. [2018-12-08 12:39:11,306 INFO L276 IsEmpty]: Start isEmpty. Operand 3668 states and 4096 transitions. [2018-12-08 12:39:11,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-08 12:39:11,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:11,385 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 458 proven. 16 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-08 12:39:13,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:13,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4126 states to 3689 states and 4126 transitions. [2018-12-08 12:39:13,808 INFO L276 IsEmpty]: Start isEmpty. Operand 3689 states and 4126 transitions. [2018-12-08 12:39:13,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-08 12:39:13,810 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:13,890 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 458 proven. 16 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-08 12:39:16,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:16,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4131 states to 3694 states and 4131 transitions. [2018-12-08 12:39:16,082 INFO L276 IsEmpty]: Start isEmpty. Operand 3694 states and 4131 transitions. [2018-12-08 12:39:16,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-08 12:39:16,084 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:16,157 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 458 proven. 16 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-08 12:39:18,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:18,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4137 states to 3701 states and 4137 transitions. [2018-12-08 12:39:18,641 INFO L276 IsEmpty]: Start isEmpty. Operand 3701 states and 4137 transitions. [2018-12-08 12:39:18,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-08 12:39:18,643 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:18,719 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 458 proven. 16 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-08 12:39:21,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:21,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4142 states to 3706 states and 4142 transitions. [2018-12-08 12:39:21,734 INFO L276 IsEmpty]: Start isEmpty. Operand 3706 states and 4142 transitions. [2018-12-08 12:39:21,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-08 12:39:21,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:21,809 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 458 proven. 16 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-08 12:39:22,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:22,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4143 states to 3708 states and 4143 transitions. [2018-12-08 12:39:22,388 INFO L276 IsEmpty]: Start isEmpty. Operand 3708 states and 4143 transitions. [2018-12-08 12:39:22,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-08 12:39:22,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:22,489 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 323 proven. 15 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-12-08 12:39:26,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:26,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4169 states to 3730 states and 4169 transitions. [2018-12-08 12:39:26,809 INFO L276 IsEmpty]: Start isEmpty. Operand 3730 states and 4169 transitions. [2018-12-08 12:39:26,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-08 12:39:26,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 323 proven. 15 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-12-08 12:39:29,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:29,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4178 states to 3740 states and 4178 transitions. [2018-12-08 12:39:29,298 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 4178 transitions. [2018-12-08 12:39:29,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-08 12:39:29,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:29,379 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 364 proven. 30 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-12-08 12:39:32,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:32,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4209 states to 3772 states and 4209 transitions. [2018-12-08 12:39:32,503 INFO L276 IsEmpty]: Start isEmpty. Operand 3772 states and 4209 transitions. [2018-12-08 12:39:32,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-08 12:39:32,505 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:32,611 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 319 proven. 10 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-12-08 12:39:33,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:33,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4221 states to 3780 states and 4221 transitions. [2018-12-08 12:39:33,588 INFO L276 IsEmpty]: Start isEmpty. Operand 3780 states and 4221 transitions. [2018-12-08 12:39:33,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-08 12:39:33,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:33,695 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 319 proven. 10 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-12-08 12:39:34,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:34,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4225 states to 3783 states and 4225 transitions. [2018-12-08 12:39:34,364 INFO L276 IsEmpty]: Start isEmpty. Operand 3783 states and 4225 transitions. [2018-12-08 12:39:34,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-08 12:39:34,366 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:34,501 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 319 proven. 10 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-12-08 12:39:34,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:34,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4228 states to 3787 states and 4228 transitions. [2018-12-08 12:39:34,615 INFO L276 IsEmpty]: Start isEmpty. Operand 3787 states and 4228 transitions. [2018-12-08 12:39:34,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-08 12:39:34,617 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:34,716 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 319 proven. 10 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-12-08 12:39:35,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:35,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4232 states to 3790 states and 4232 transitions. [2018-12-08 12:39:35,373 INFO L276 IsEmpty]: Start isEmpty. Operand 3790 states and 4232 transitions. [2018-12-08 12:39:35,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-08 12:39:35,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:35,488 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 319 proven. 10 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-12-08 12:39:37,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:37,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4252 states to 3806 states and 4252 transitions. [2018-12-08 12:39:37,216 INFO L276 IsEmpty]: Start isEmpty. Operand 3806 states and 4252 transitions. [2018-12-08 12:39:37,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-08 12:39:37,218 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:37,360 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 319 proven. 10 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-12-08 12:39:37,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:37,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4255 states to 3809 states and 4255 transitions. [2018-12-08 12:39:37,983 INFO L276 IsEmpty]: Start isEmpty. Operand 3809 states and 4255 transitions. [2018-12-08 12:39:37,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-08 12:39:37,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:38,081 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 319 proven. 10 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-12-08 12:39:38,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:38,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4258 states to 3812 states and 4258 transitions. [2018-12-08 12:39:38,650 INFO L276 IsEmpty]: Start isEmpty. Operand 3812 states and 4258 transitions. [2018-12-08 12:39:38,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-08 12:39:38,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:38,756 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 319 proven. 10 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-12-08 12:39:40,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:40,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4264 states to 3818 states and 4264 transitions. [2018-12-08 12:39:40,636 INFO L276 IsEmpty]: Start isEmpty. Operand 3818 states and 4264 transitions. [2018-12-08 12:39:40,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-08 12:39:40,638 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:40,779 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 319 proven. 10 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2018-12-08 12:39:47,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:47,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4332 states to 3887 states and 4332 transitions. [2018-12-08 12:39:47,178 INFO L276 IsEmpty]: Start isEmpty. Operand 3887 states and 4332 transitions. [2018-12-08 12:39:47,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-12-08 12:39:47,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:47,533 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-08 12:39:53,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:53,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4391 states to 3941 states and 4391 transitions. [2018-12-08 12:39:53,262 INFO L276 IsEmpty]: Start isEmpty. Operand 3941 states and 4391 transitions. [2018-12-08 12:39:53,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-12-08 12:39:53,265 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:53,387 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-08 12:39:54,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:54,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4401 states to 3952 states and 4401 transitions. [2018-12-08 12:39:54,201 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4401 transitions. [2018-12-08 12:39:54,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-12-08 12:39:54,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:54,323 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 603 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-08 12:39:54,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:54,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4403 states to 3955 states and 4403 transitions. [2018-12-08 12:39:54,456 INFO L276 IsEmpty]: Start isEmpty. Operand 3955 states and 4403 transitions. [2018-12-08 12:39:54,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2018-12-08 12:39:54,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:54,832 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 623 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-12-08 12:39:57,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:39:57,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4421 states to 3971 states and 4421 transitions. [2018-12-08 12:39:57,019 INFO L276 IsEmpty]: Start isEmpty. Operand 3971 states and 4421 transitions. [2018-12-08 12:39:57,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2018-12-08 12:39:57,021 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:39:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:39:57,167 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 623 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-12-08 12:40:03,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:03,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4469 states to 4017 states and 4469 transitions. [2018-12-08 12:40:03,005 INFO L276 IsEmpty]: Start isEmpty. Operand 4017 states and 4469 transitions. [2018-12-08 12:40:03,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2018-12-08 12:40:03,008 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:03,156 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 623 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-12-08 12:40:03,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:03,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4474 states to 4023 states and 4474 transitions. [2018-12-08 12:40:03,543 INFO L276 IsEmpty]: Start isEmpty. Operand 4023 states and 4474 transitions. [2018-12-08 12:40:03,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-08 12:40:03,546 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:03,664 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-12-08 12:40:04,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:04,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4478 states to 4027 states and 4478 transitions. [2018-12-08 12:40:04,306 INFO L276 IsEmpty]: Start isEmpty. Operand 4027 states and 4478 transitions. [2018-12-08 12:40:04,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 12:40:04,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:04,821 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 525 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2018-12-08 12:40:09,165 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-08 12:40:13,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:13,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4549 states to 4095 states and 4549 transitions. [2018-12-08 12:40:13,564 INFO L276 IsEmpty]: Start isEmpty. Operand 4095 states and 4549 transitions. [2018-12-08 12:40:13,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 12:40:13,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:13,849 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 525 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2018-12-08 12:40:15,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:15,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4560 states to 4107 states and 4560 transitions. [2018-12-08 12:40:15,807 INFO L276 IsEmpty]: Start isEmpty. Operand 4107 states and 4560 transitions. [2018-12-08 12:40:15,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-08 12:40:15,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:16,075 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 525 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2018-12-08 12:40:16,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:16,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4561 states to 4109 states and 4561 transitions. [2018-12-08 12:40:16,491 INFO L276 IsEmpty]: Start isEmpty. Operand 4109 states and 4561 transitions. [2018-12-08 12:40:16,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-12-08 12:40:16,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:16,625 INFO L134 CoverageAnalysis]: Checked inductivity of 769 backedges. 389 proven. 15 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2018-12-08 12:40:16,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:16,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4564 states to 4113 states and 4564 transitions. [2018-12-08 12:40:16,758 INFO L276 IsEmpty]: Start isEmpty. Operand 4113 states and 4564 transitions. [2018-12-08 12:40:16,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-12-08 12:40:16,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:16,886 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 523 proven. 45 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-08 12:40:19,794 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-08 12:40:25,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:25,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4613 states to 4163 states and 4613 transitions. [2018-12-08 12:40:25,687 INFO L276 IsEmpty]: Start isEmpty. Operand 4163 states and 4613 transitions. [2018-12-08 12:40:25,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-12-08 12:40:25,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:25,808 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 523 proven. 45 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-08 12:40:41,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:41,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4724 states to 4264 states and 4724 transitions. [2018-12-08 12:40:41,396 INFO L276 IsEmpty]: Start isEmpty. Operand 4264 states and 4724 transitions. [2018-12-08 12:40:41,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-12-08 12:40:41,398 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:41,515 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 523 proven. 45 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-08 12:40:43,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:43,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4755 states to 4296 states and 4755 transitions. [2018-12-08 12:40:43,605 INFO L276 IsEmpty]: Start isEmpty. Operand 4296 states and 4755 transitions. [2018-12-08 12:40:43,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-12-08 12:40:43,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:43,720 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 523 proven. 45 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-08 12:40:44,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:44,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4757 states to 4297 states and 4757 transitions. [2018-12-08 12:40:44,162 INFO L276 IsEmpty]: Start isEmpty. Operand 4297 states and 4757 transitions. [2018-12-08 12:40:44,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-12-08 12:40:44,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:44,301 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 523 proven. 45 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-08 12:40:47,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:47,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4795 states to 4339 states and 4795 transitions. [2018-12-08 12:40:47,815 INFO L276 IsEmpty]: Start isEmpty. Operand 4339 states and 4795 transitions. [2018-12-08 12:40:47,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-12-08 12:40:47,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:47,976 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 523 proven. 45 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-08 12:40:49,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:49,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4801 states to 4346 states and 4801 transitions. [2018-12-08 12:40:49,366 INFO L276 IsEmpty]: Start isEmpty. Operand 4346 states and 4801 transitions. [2018-12-08 12:40:49,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-12-08 12:40:49,369 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:49,486 INFO L134 CoverageAnalysis]: Checked inductivity of 911 backedges. 523 proven. 45 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2018-12-08 12:40:50,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:50,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4802 states to 4348 states and 4802 transitions. [2018-12-08 12:40:50,220 INFO L276 IsEmpty]: Start isEmpty. Operand 4348 states and 4802 transitions. [2018-12-08 12:40:50,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2018-12-08 12:40:50,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 635 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2018-12-08 12:40:50,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:50,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4818 states to 4364 states and 4818 transitions. [2018-12-08 12:40:50,646 INFO L276 IsEmpty]: Start isEmpty. Operand 4364 states and 4818 transitions. [2018-12-08 12:40:50,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2018-12-08 12:40:50,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:50,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 861 proven. 16 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2018-12-08 12:40:52,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:52,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4864 states to 4409 states and 4864 transitions. [2018-12-08 12:40:52,840 INFO L276 IsEmpty]: Start isEmpty. Operand 4409 states and 4864 transitions. [2018-12-08 12:40:52,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2018-12-08 12:40:52,842 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:52,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 603 proven. 4 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2018-12-08 12:40:56,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:56,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4945 states to 4488 states and 4945 transitions. [2018-12-08 12:40:56,907 INFO L276 IsEmpty]: Start isEmpty. Operand 4488 states and 4945 transitions. [2018-12-08 12:40:56,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2018-12-08 12:40:56,909 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:57,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1213 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2018-12-08 12:40:59,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:40:59,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4966 states to 4504 states and 4966 transitions. [2018-12-08 12:40:59,682 INFO L276 IsEmpty]: Start isEmpty. Operand 4504 states and 4966 transitions. [2018-12-08 12:40:59,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2018-12-08 12:40:59,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:40:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:40:59,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1213 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2018-12-08 12:41:00,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:41:00,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4969 states to 4507 states and 4969 transitions. [2018-12-08 12:41:00,466 INFO L276 IsEmpty]: Start isEmpty. Operand 4507 states and 4969 transitions. [2018-12-08 12:41:00,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-12-08 12:41:00,468 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:41:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:41:08,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 511 proven. 509 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-08 12:41:26,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:41:26,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5074 states to 4603 states and 5074 transitions. [2018-12-08 12:41:26,341 INFO L276 IsEmpty]: Start isEmpty. Operand 4603 states and 5074 transitions. [2018-12-08 12:41:26,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2018-12-08 12:41:26,344 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:41:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:41:26,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 511 proven. 509 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-08 12:41:29,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:41:29,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5087 states to 4615 states and 5087 transitions. [2018-12-08 12:41:29,681 INFO L276 IsEmpty]: Start isEmpty. Operand 4615 states and 5087 transitions. [2018-12-08 12:41:29,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2018-12-08 12:41:29,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:41:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:41:30,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1651 backedges. 1061 proven. 273 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2018-12-08 12:41:35,296 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2018-12-08 12:41:46,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:41:46,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5216 states to 4722 states and 5216 transitions. [2018-12-08 12:41:46,058 INFO L276 IsEmpty]: Start isEmpty. Operand 4722 states and 5216 transitions. [2018-12-08 12:41:46,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2018-12-08 12:41:46,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:41:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:41:46,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 974 proven. 6 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2018-12-08 12:41:48,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:41:48,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5267 states to 4769 states and 5267 transitions. [2018-12-08 12:41:48,117 INFO L276 IsEmpty]: Start isEmpty. Operand 4769 states and 5267 transitions. [2018-12-08 12:41:48,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2018-12-08 12:41:48,120 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:41:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:41:48,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 974 proven. 6 refuted. 0 times theorem prover too weak. 695 trivial. 0 not checked. [2018-12-08 12:41:49,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:41:49,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5270 states to 4773 states and 5270 transitions. [2018-12-08 12:41:49,571 INFO L276 IsEmpty]: Start isEmpty. Operand 4773 states and 5270 transitions. [2018-12-08 12:41:49,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2018-12-08 12:41:49,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:41:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:41:50,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 740 proven. 713 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-12-08 12:41:51,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:41:51,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5279 states to 4782 states and 5279 transitions. [2018-12-08 12:41:51,195 INFO L276 IsEmpty]: Start isEmpty. Operand 4782 states and 5279 transitions. [2018-12-08 12:41:51,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2018-12-08 12:41:51,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:41:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:41:51,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 740 proven. 713 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-12-08 12:41:54,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:41:54,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5333 states to 4834 states and 5333 transitions. [2018-12-08 12:41:54,675 INFO L276 IsEmpty]: Start isEmpty. Operand 4834 states and 5333 transitions. [2018-12-08 12:41:54,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2018-12-08 12:41:54,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:41:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:41:55,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 740 proven. 713 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-12-08 12:42:04,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:04,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5353 states to 4854 states and 5353 transitions. [2018-12-08 12:42:04,677 INFO L276 IsEmpty]: Start isEmpty. Operand 4854 states and 5353 transitions. [2018-12-08 12:42:04,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2018-12-08 12:42:04,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:05,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 740 proven. 713 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-12-08 12:42:07,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:07,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5372 states to 4873 states and 5372 transitions. [2018-12-08 12:42:07,318 INFO L276 IsEmpty]: Start isEmpty. Operand 4873 states and 5372 transitions. [2018-12-08 12:42:07,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2018-12-08 12:42:07,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:07,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 740 proven. 713 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-12-08 12:42:08,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:08,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5377 states to 4878 states and 5377 transitions. [2018-12-08 12:42:08,925 INFO L276 IsEmpty]: Start isEmpty. Operand 4878 states and 5377 transitions. [2018-12-08 12:42:08,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2018-12-08 12:42:08,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:09,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 740 proven. 713 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-12-08 12:42:14,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:14,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5412 states to 4907 states and 5412 transitions. [2018-12-08 12:42:14,659 INFO L276 IsEmpty]: Start isEmpty. Operand 4907 states and 5412 transitions. [2018-12-08 12:42:14,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2018-12-08 12:42:14,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:15,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 740 proven. 713 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-12-08 12:42:16,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:16,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5412 states to 4908 states and 5412 transitions. [2018-12-08 12:42:16,693 INFO L276 IsEmpty]: Start isEmpty. Operand 4908 states and 5412 transitions. [2018-12-08 12:42:16,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2018-12-08 12:42:16,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:17,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 740 proven. 713 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-12-08 12:42:19,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:19,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5419 states to 4915 states and 5419 transitions. [2018-12-08 12:42:19,107 INFO L276 IsEmpty]: Start isEmpty. Operand 4915 states and 5419 transitions. [2018-12-08 12:42:19,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2018-12-08 12:42:19,110 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 12:42:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:42:19,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1686 backedges. 740 proven. 713 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-12-08 12:42:20,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 12:42:20,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4852 states to 4389 states and 4852 transitions. [2018-12-08 12:42:20,659 INFO L276 IsEmpty]: Start isEmpty. Operand 4389 states and 4852 transitions. [2018-12-08 12:42:20,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 12:42:20,662 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 256 iterations. [2018-12-08 12:42:20,668 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 12:42:20,927 WARN L180 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 51 [2018-12-08 12:42:21,061 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 35 [2018-12-08 12:42:21,361 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 50 [2018-12-08 12:42:21,655 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 50 [2018-12-08 12:42:21,847 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 34 [2018-12-08 12:42:22,045 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 34 [2018-12-08 12:42:22,177 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 35 [2018-12-08 12:42:22,282 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 39 [2018-12-08 12:42:22,424 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 35 [2018-12-08 12:42:22,696 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 50 [2018-12-08 12:42:22,936 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 50 [2018-12-08 12:42:23,152 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 35 [2018-12-08 12:42:23,264 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 34 [2018-12-08 12:42:23,386 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 35 [2018-12-08 12:42:23,518 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 35 [2018-12-08 12:42:23,648 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 35 [2018-12-08 12:42:23,820 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 34 [2018-12-08 12:42:24,019 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-12-08 12:42:24,211 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 34 [2018-12-08 12:42:24,351 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 35 [2018-12-08 12:42:24,517 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 34 [2018-12-08 12:42:24,796 WARN L180 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 38 [2018-12-08 12:42:25,030 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 50 [2018-12-08 12:42:25,176 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 35 [2018-12-08 12:42:25,334 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 35 [2018-12-08 12:42:25,481 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 35 [2018-12-08 12:42:25,927 WARN L180 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 56 [2018-12-08 12:42:26,102 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 34 [2018-12-08 12:42:26,265 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 35 [2018-12-08 12:42:26,432 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 34 [2018-12-08 12:42:26,687 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 50 [2018-12-08 12:42:26,833 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 35 [2018-12-08 12:42:26,998 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-12-08 12:42:27,127 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 35 [2018-12-08 12:42:27,283 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 34 [2018-12-08 12:42:27,425 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 35 [2018-12-08 12:42:27,577 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 34 [2018-12-08 12:42:27,857 WARN L180 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 50 [2018-12-08 12:42:28,064 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 35 [2018-12-08 12:42:28,270 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 34 [2018-12-08 12:42:28,579 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 51 [2018-12-08 12:42:28,948 WARN L180 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 50 [2018-12-08 12:42:29,100 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 35 [2018-12-08 12:42:29,293 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 38 [2018-12-08 12:42:29,528 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 34 [2018-12-08 12:42:29,703 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 34 [2018-12-08 12:42:29,878 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 35 [2018-12-08 12:42:30,201 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 50 [2018-12-08 12:42:30,365 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 35 [2018-12-08 12:42:30,560 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 34 [2018-12-08 12:42:30,677 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 39 [2018-12-08 12:42:30,780 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 34 [2018-12-08 12:42:30,919 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 35 [2018-12-08 12:42:31,118 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 34 [2018-12-08 12:42:31,302 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-12-08 12:42:31,414 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 34 [2018-12-08 12:42:31,639 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 50 [2018-12-08 12:42:31,770 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 35 [2018-12-08 12:42:31,916 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 34 [2018-12-08 12:42:32,087 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 34 [2018-12-08 12:42:32,281 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-12-08 12:42:32,494 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 51 [2018-12-08 12:42:32,657 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 34 [2018-12-08 12:42:32,809 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 34 [2018-12-08 12:42:32,941 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 35 [2018-12-08 12:42:33,221 WARN L180 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 38 [2018-12-08 12:42:33,413 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 34 [2018-12-08 12:42:33,598 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 34 [2018-12-08 12:42:33,804 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 34 [2018-12-08 12:42:34,062 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 51 [2018-12-08 12:42:34,249 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 34 [2018-12-08 12:42:34,444 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 34 [2018-12-08 12:42:34,597 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 35 [2018-12-08 12:42:34,597 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 12:42:34,599 INFO L583 CodeCheckObserver]: Invariant with dag size 38 [2018-12-08 12:42:34,605 INFO L583 CodeCheckObserver]: Invariant with dag size 38 [2018-12-08 12:42:34,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 12:42:34 ImpRootNode [2018-12-08 12:42:34,606 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 12:42:34,607 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:42:34,607 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:42:34,607 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:42:34,607 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:35:03" (3/4) ... [2018-12-08 12:42:34,610 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 12:42:34,621 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-12-08 12:42:34,622 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-08 12:42:34,622 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-08 12:42:34,623 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 12:42:34,678 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_606b9fe3-6856-49df-ae9e-c0e730bbc483/bin-2019/ukojak/witness.graphml [2018-12-08 12:42:34,678 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:42:34,678 INFO L168 Benchmark]: Toolchain (without parser) took 452473.68 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.7 GB). Free memory was 946.3 MB in the beginning and 1.8 GB in the end (delta: -819.6 MB). Peak memory consumption was 920.0 MB. Max. memory is 11.5 GB. [2018-12-08 12:42:34,679 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:42:34,679 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -133.6 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-12-08 12:42:34,679 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 12:42:34,679 INFO L168 Benchmark]: Boogie Preprocessor took 28.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 12:42:34,679 INFO L168 Benchmark]: RCFGBuilder took 1098.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 844.8 MB in the end (delta: 224.4 MB). Peak memory consumption was 224.4 MB. Max. memory is 11.5 GB. [2018-12-08 12:42:34,680 INFO L168 Benchmark]: CodeCheck took 450910.38 ms. Allocated memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 844.8 MB in the beginning and 1.8 GB in the end (delta: -958.1 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-12-08 12:42:34,680 INFO L168 Benchmark]: Witness Printer took 71.51 ms. Allocated memory is still 2.8 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. [2018-12-08 12:42:34,681 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 227 locations, 1 error locations. SAFE Result, 436.9s OverallTime, 256 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1284524076 SDtfs, -493750400 SDslu, 1122384180 SDs, 0 SdLazy, -1794982780 SolverSat, 354052864 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1688.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 403714 GetRequests, 390885 SyntacticMatches, 10693 SemanticMatches, 2136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3820808 ImplicationChecksByTransitivity, 385.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 38.4s InterpolantComputationTime, 62579 NumberOfCodeBlocks, 62579 NumberOfCodeBlocksAsserted, 255 NumberOfCheckSat, 62324 ConstructedInterpolants, 0 QuantifiedInterpolants, 98427165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 255 InterpolantComputations, 156 PerfectInterpolantSequences, 84995/93924 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: 586]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((!(a11 == 1) || (a19 == 1 && a25 == 1)) || ((!(a28 == 8) && a19 == 1) && a21 == 1)) || (a19 == 1 && !(a17 == 9))) || (((a28 == 9 && a17 == 7) && a21 == 1) && a25 == 1)) || (!(a19 == 1) && a28 == 10)) || (((a17 == 8 && a28 == 7) && a21 == 1) && a25 <= 0)) || ((((a19 <= 0 && !(a25 == 1)) && a17 == 8) && a28 == 7) && a21 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((a19 == 1 && !(a17 == 9)) || !(a11 == 1)) || (a19 == 1 && a25 == 1)) || ((!(a28 == 8) && a19 == 1) && a21 == 1)) || (((a17 == 8 && a28 == 7) && a21 == 1) && a25 <= 0)) || (((a28 == 9 && a17 == 7) && a21 == 1) && a25 == 1)) || (!(a19 == 1) && a28 == 10)) || ((((a19 <= 0 && !(a25 == 1)) && a17 == 8) && a28 == 7) && a21 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 321.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -133.6 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1098.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 844.8 MB in the end (delta: 224.4 MB). Peak memory consumption was 224.4 MB. Max. memory is 11.5 GB. * CodeCheck took 450910.38 ms. Allocated memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 844.8 MB in the beginning and 1.8 GB in the end (delta: -958.1 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. * Witness Printer took 71.51 ms. Allocated memory is still 2.8 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...