./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label11_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d3883015-814f-44ae-9314-60d11c9df4ed/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d3883015-814f-44ae-9314-60d11c9df4ed/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d3883015-814f-44ae-9314-60d11c9df4ed/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d3883015-814f-44ae-9314-60d11c9df4ed/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label11_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d3883015-814f-44ae-9314-60d11c9df4ed/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d3883015-814f-44ae-9314-60d11c9df4ed/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 8bc5807873c5a4343353326fda69b22e512eabea ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:40:23,893 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:40:23,894 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:40:23,901 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:40:23,902 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:40:23,902 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:40:23,903 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:40:23,904 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:40:23,905 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:40:23,906 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:40:23,906 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:40:23,906 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:40:23,907 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:40:23,908 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:40:23,908 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:40:23,909 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:40:23,910 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:40:23,911 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:40:23,912 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:40:23,913 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:40:23,914 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:40:23,915 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:40:23,916 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:40:23,916 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:40:23,916 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:40:23,917 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:40:23,918 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:40:23,918 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:40:23,919 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:40:23,920 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:40:23,920 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:40:23,920 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:40:23,920 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:40:23,921 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:40:23,921 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:40:23,922 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:40:23,922 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d3883015-814f-44ae-9314-60d11c9df4ed/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 15:40:23,932 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:40:23,932 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:40:23,933 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:40:23,933 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 15:40:23,933 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:40:23,933 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:40:23,933 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:40:23,934 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:40:23,934 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:40:23,934 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:40:23,934 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:40:23,934 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:40:23,934 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:40:23,934 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:40:23,934 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:40:23,935 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:40:23,935 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:40:23,935 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:40:23,935 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 15:40:23,935 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 15:40:23,935 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:40:23,935 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:40:23,935 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 15:40:23,936 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:40:23,936 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:40:23,936 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:40:23,936 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 15:40:23,936 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:40:23,936 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:40:23,936 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_d3883015-814f-44ae-9314-60d11c9df4ed/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 -> 8bc5807873c5a4343353326fda69b22e512eabea [2018-11-23 15:40:23,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:40:23,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:40:23,968 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:40:23,969 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:40:23,969 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:40:23,969 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d3883015-814f-44ae-9314-60d11c9df4ed/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label11_true-unreach-call_false-termination.c [2018-11-23 15:40:24,004 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3883015-814f-44ae-9314-60d11c9df4ed/bin-2019/ukojak/data/8939c1e3d/59a7e93fd54943e3b0072eded5e3d8d2/FLAG9bdea210d [2018-11-23 15:40:24,456 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:40:24,457 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d3883015-814f-44ae-9314-60d11c9df4ed/sv-benchmarks/c/eca-rers2012/Problem02_label11_true-unreach-call_false-termination.c [2018-11-23 15:40:24,466 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3883015-814f-44ae-9314-60d11c9df4ed/bin-2019/ukojak/data/8939c1e3d/59a7e93fd54943e3b0072eded5e3d8d2/FLAG9bdea210d [2018-11-23 15:40:24,478 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d3883015-814f-44ae-9314-60d11c9df4ed/bin-2019/ukojak/data/8939c1e3d/59a7e93fd54943e3b0072eded5e3d8d2 [2018-11-23 15:40:24,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:40:24,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:40:24,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:40:24,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:40:24,484 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:40:24,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:24" (1/1) ... [2018-11-23 15:40:24,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17cfd07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:24, skipping insertion in model container [2018-11-23 15:40:24,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:24" (1/1) ... [2018-11-23 15:40:24,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:40:24,525 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:40:24,776 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:40:24,779 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:40:24,843 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:40:24,913 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:40:24,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:24 WrapperNode [2018-11-23 15:40:24,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:40:24,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:40:24,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:40:24,914 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:40:24,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:24" (1/1) ... [2018-11-23 15:40:24,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:24" (1/1) ... [2018-11-23 15:40:24,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:40:24,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:40:24,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:40:24,955 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:40:24,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:24" (1/1) ... [2018-11-23 15:40:24,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:24" (1/1) ... [2018-11-23 15:40:24,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:24" (1/1) ... [2018-11-23 15:40:24,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:24" (1/1) ... [2018-11-23 15:40:24,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:24" (1/1) ... [2018-11-23 15:40:24,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:24" (1/1) ... [2018-11-23 15:40:24,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:24" (1/1) ... [2018-11-23 15:40:24,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:40:24,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:40:24,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:40:24,997 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:40:24,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3883015-814f-44ae-9314-60d11c9df4ed/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 15:40:25,048 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 15:40:25,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:40:25,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:40:26,505 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:40:26,505 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 15:40:26,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:26 BoogieIcfgContainer [2018-11-23 15:40:26,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:40:26,506 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 15:40:26,506 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 15:40:26,513 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 15:40:26,513 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:26" (1/1) ... [2018-11-23 15:40:26,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:40:26,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:26,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-11-23 15:40:26,546 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-11-23 15:40:26,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 15:40:26,549 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:26,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:27,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:27,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 163 states and 276 transitions. [2018-11-23 15:40:27,123 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 276 transitions. [2018-11-23 15:40:27,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 15:40:27,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:27,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:40:27,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:27,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 245 states and 364 transitions. [2018-11-23 15:40:27,681 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 364 transitions. [2018-11-23 15:40:27,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 15:40:27,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:27,739 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:27,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:27,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 250 states and 376 transitions. [2018-11-23 15:40:27,851 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 376 transitions. [2018-11-23 15:40:27,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 15:40:27,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:27,880 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:40:27,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:27,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 252 states and 378 transitions. [2018-11-23 15:40:27,940 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 378 transitions. [2018-11-23 15:40:27,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-23 15:40:27,946 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:27,967 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:27,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:27,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 257 states and 383 transitions. [2018-11-23 15:40:27,994 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 383 transitions. [2018-11-23 15:40:27,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 15:40:27,996 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:28,045 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:40:28,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:28,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 262 states and 389 transitions. [2018-11-23 15:40:28,144 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 389 transitions. [2018-11-23 15:40:28,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 15:40:28,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:28,262 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:28,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:28,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 280 states and 415 transitions. [2018-11-23 15:40:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 415 transitions. [2018-11-23 15:40:28,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 15:40:28,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:28,741 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:29,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:29,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 301 states and 446 transitions. [2018-11-23 15:40:29,089 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 446 transitions. [2018-11-23 15:40:29,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 15:40:29,090 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:29,115 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:29,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:29,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 305 states and 451 transitions. [2018-11-23 15:40:29,292 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 451 transitions. [2018-11-23 15:40:29,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 15:40:29,293 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:29,318 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:40:29,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:29,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 306 states and 454 transitions. [2018-11-23 15:40:29,410 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 454 transitions. [2018-11-23 15:40:29,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 15:40:29,411 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:29,429 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:40:29,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:29,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 309 states and 459 transitions. [2018-11-23 15:40:29,523 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 459 transitions. [2018-11-23 15:40:29,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 15:40:29,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:29,549 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:40:29,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:29,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 312 states and 464 transitions. [2018-11-23 15:40:29,699 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 464 transitions. [2018-11-23 15:40:29,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 15:40:29,700 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:29,730 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:40:29,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:29,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 319 states and 472 transitions. [2018-11-23 15:40:29,972 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 472 transitions. [2018-11-23 15:40:29,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 15:40:29,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:29,997 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:40:30,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:30,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 337 states and 492 transitions. [2018-11-23 15:40:30,286 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 492 transitions. [2018-11-23 15:40:30,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 15:40:30,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:30,310 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:30,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:30,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 341 states and 496 transitions. [2018-11-23 15:40:30,336 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 496 transitions. [2018-11-23 15:40:30,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 15:40:30,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:30,351 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 15:40:30,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:30,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 342 states and 498 transitions. [2018-11-23 15:40:30,485 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 498 transitions. [2018-11-23 15:40:30,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 15:40:30,486 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:30,503 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 15:40:30,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:30,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 345 states and 501 transitions. [2018-11-23 15:40:30,613 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 501 transitions. [2018-11-23 15:40:30,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 15:40:30,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:30,648 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:40:30,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:30,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 346 states and 505 transitions. [2018-11-23 15:40:30,699 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 505 transitions. [2018-11-23 15:40:30,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 15:40:30,700 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:30,723 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:40:30,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:30,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 362 states and 523 transitions. [2018-11-23 15:40:30,932 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 523 transitions. [2018-11-23 15:40:30,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 15:40:30,933 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:30,956 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:40:31,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:31,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 364 states and 524 transitions. [2018-11-23 15:40:31,092 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 524 transitions. [2018-11-23 15:40:31,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 15:40:31,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:31,181 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:31,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:31,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 394 states and 564 transitions. [2018-11-23 15:40:31,878 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 564 transitions. [2018-11-23 15:40:31,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 15:40:31,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:31,955 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:40:32,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:32,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 400 states and 575 transitions. [2018-11-23 15:40:32,197 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 575 transitions. [2018-11-23 15:40:32,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-23 15:40:32,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:32,288 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:33,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:33,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 430 states and 615 transitions. [2018-11-23 15:40:33,255 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 615 transitions. [2018-11-23 15:40:33,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-23 15:40:33,256 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:33,331 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:33,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:33,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 440 states and 628 transitions. [2018-11-23 15:40:33,656 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 628 transitions. [2018-11-23 15:40:33,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-23 15:40:33,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:33,703 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:33,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:33,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 443 states and 631 transitions. [2018-11-23 15:40:33,828 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 631 transitions. [2018-11-23 15:40:33,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 15:40:33,829 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:33,891 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:40:34,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:34,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 448 states and 635 transitions. [2018-11-23 15:40:34,057 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 635 transitions. [2018-11-23 15:40:34,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 15:40:34,057 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:34,077 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:34,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:34,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 482 states and 674 transitions. [2018-11-23 15:40:34,903 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 674 transitions. [2018-11-23 15:40:34,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-23 15:40:34,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:34,921 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 15:40:35,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:35,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 502 states and 696 transitions. [2018-11-23 15:40:35,399 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 696 transitions. [2018-11-23 15:40:35,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-23 15:40:35,399 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:35,416 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 15:40:35,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:35,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 509 states and 702 transitions. [2018-11-23 15:40:35,570 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 702 transitions. [2018-11-23 15:40:35,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-23 15:40:35,571 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:35,587 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:36,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:36,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 528 states and 725 transitions. [2018-11-23 15:40:36,071 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 725 transitions. [2018-11-23 15:40:36,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 15:40:36,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:36,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:36,095 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:40:36,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:36,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 543 states and 741 transitions. [2018-11-23 15:40:36,356 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 741 transitions. [2018-11-23 15:40:36,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-23 15:40:36,357 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:36,392 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 15:40:36,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:36,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 547 states and 744 transitions. [2018-11-23 15:40:36,484 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 744 transitions. [2018-11-23 15:40:36,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-23 15:40:36,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:36,510 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:40:36,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:36,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 551 states and 752 transitions. [2018-11-23 15:40:36,562 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 752 transitions. [2018-11-23 15:40:36,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-23 15:40:36,563 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:36,581 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:40:36,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:36,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 574 states and 775 transitions. [2018-11-23 15:40:36,664 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 775 transitions. [2018-11-23 15:40:36,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 15:40:36,665 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:40:37,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:37,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 598 states and 803 transitions. [2018-11-23 15:40:37,071 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 803 transitions. [2018-11-23 15:40:37,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 15:40:37,072 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:37,114 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:40:37,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:37,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 599 states and 803 transitions. [2018-11-23 15:40:37,202 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 803 transitions. [2018-11-23 15:40:37,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-23 15:40:37,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:37,229 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:37,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:37,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 603 states and 808 transitions. [2018-11-23 15:40:37,446 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 808 transitions. [2018-11-23 15:40:37,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 15:40:37,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:37,808 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 15:40:38,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:38,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 643 states and 858 transitions. [2018-11-23 15:40:38,977 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 858 transitions. [2018-11-23 15:40:38,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 15:40:38,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:39,003 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 15:40:39,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:39,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 645 states and 859 transitions. [2018-11-23 15:40:39,170 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 859 transitions. [2018-11-23 15:40:39,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 15:40:39,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:39,239 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:40:39,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:39,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 657 states and 872 transitions. [2018-11-23 15:40:39,722 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 872 transitions. [2018-11-23 15:40:39,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 15:40:39,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:39,791 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:40:39,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:39,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 661 states and 875 transitions. [2018-11-23 15:40:39,891 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 875 transitions. [2018-11-23 15:40:39,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 15:40:39,891 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:39,938 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:40:40,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:40,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 666 states and 879 transitions. [2018-11-23 15:40:40,090 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 879 transitions. [2018-11-23 15:40:40,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-23 15:40:40,091 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:40,122 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 15:40:40,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:40,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 671 states and 884 transitions. [2018-11-23 15:40:40,262 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 884 transitions. [2018-11-23 15:40:40,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-23 15:40:40,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:40,283 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:40,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:40,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 692 states and 905 transitions. [2018-11-23 15:40:40,351 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 905 transitions. [2018-11-23 15:40:40,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 15:40:40,352 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:40,374 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 15:40:40,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:40,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 693 states and 906 transitions. [2018-11-23 15:40:40,384 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 906 transitions. [2018-11-23 15:40:40,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 15:40:40,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:40,889 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:43,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:43,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 752 states and 972 transitions. [2018-11-23 15:40:43,114 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 972 transitions. [2018-11-23 15:40:43,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-23 15:40:43,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:43,174 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 15:40:43,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:43,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 771 states and 992 transitions. [2018-11-23 15:40:43,649 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 992 transitions. [2018-11-23 15:40:43,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-23 15:40:43,649 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:43,741 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:45,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:45,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 806 states and 1035 transitions. [2018-11-23 15:40:45,491 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1035 transitions. [2018-11-23 15:40:45,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 15:40:45,491 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:45,533 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 15:40:45,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:45,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 807 states and 1037 transitions. [2018-11-23 15:40:45,562 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1037 transitions. [2018-11-23 15:40:45,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 15:40:45,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:40:46,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:46,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 826 states and 1061 transitions. [2018-11-23 15:40:46,097 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1061 transitions. [2018-11-23 15:40:46,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 15:40:46,098 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:46,119 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:40:46,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:46,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 831 states and 1064 transitions. [2018-11-23 15:40:46,403 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1064 transitions. [2018-11-23 15:40:46,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 15:40:46,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:46,424 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:40:46,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:46,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 836 states and 1068 transitions. [2018-11-23 15:40:46,608 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1068 transitions. [2018-11-23 15:40:46,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 15:40:46,609 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:46,922 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:50,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:50,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 904 states and 1151 transitions. [2018-11-23 15:40:50,592 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1151 transitions. [2018-11-23 15:40:50,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 15:40:50,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:50,646 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:50,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:50,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 907 states and 1154 transitions. [2018-11-23 15:40:50,880 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1154 transitions. [2018-11-23 15:40:50,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 15:40:50,881 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:50,918 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:51,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:51,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 910 states and 1157 transitions. [2018-11-23 15:40:51,133 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1157 transitions. [2018-11-23 15:40:51,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 15:40:51,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:51,153 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 15:40:51,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:51,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 925 states and 1173 transitions. [2018-11-23 15:40:51,698 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1173 transitions. [2018-11-23 15:40:51,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 15:40:51,699 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:51,986 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:53,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:53,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 985 states and 1238 transitions. [2018-11-23 15:40:53,625 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1238 transitions. [2018-11-23 15:40:53,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 15:40:53,626 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:53,675 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:53,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:53,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 987 states and 1239 transitions. [2018-11-23 15:40:53,964 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1239 transitions. [2018-11-23 15:40:53,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-23 15:40:53,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:54,113 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:55,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:55,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1022 states and 1278 transitions. [2018-11-23 15:40:55,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1278 transitions. [2018-11-23 15:40:55,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-23 15:40:55,377 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:55,545 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:57,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:57,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1054 states and 1312 transitions. [2018-11-23 15:40:57,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1312 transitions. [2018-11-23 15:40:57,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-23 15:40:57,923 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:57,948 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:40:59,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:40:59,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1079 states and 1344 transitions. [2018-11-23 15:40:59,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1344 transitions. [2018-11-23 15:40:59,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 15:40:59,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:40:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:40:59,443 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:41:00,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:00,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1131 states and 1399 transitions. [2018-11-23 15:41:00,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1399 transitions. [2018-11-23 15:41:00,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-23 15:41:00,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:00,850 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:41:01,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:01,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1146 states and 1420 transitions. [2018-11-23 15:41:01,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1420 transitions. [2018-11-23 15:41:01,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-23 15:41:01,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:01,609 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:41:02,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:02,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1153 states and 1428 transitions. [2018-11-23 15:41:02,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1428 transitions. [2018-11-23 15:41:02,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-23 15:41:02,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:02,081 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:41:02,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:02,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1156 states and 1431 transitions. [2018-11-23 15:41:02,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1431 transitions. [2018-11-23 15:41:02,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-23 15:41:02,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:02,347 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:41:02,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:02,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1175 states and 1450 transitions. [2018-11-23 15:41:02,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1450 transitions. [2018-11-23 15:41:02,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 15:41:02,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-23 15:41:02,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:02,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1180 states and 1456 transitions. [2018-11-23 15:41:02,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1456 transitions. [2018-11-23 15:41:02,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 15:41:02,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:02,896 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 15:41:03,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:03,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1196 states and 1473 transitions. [2018-11-23 15:41:03,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1473 transitions. [2018-11-23 15:41:03,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-23 15:41:03,257 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:03,306 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 15:41:03,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:03,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1210 states and 1489 transitions. [2018-11-23 15:41:03,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1489 transitions. [2018-11-23 15:41:03,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-23 15:41:03,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:03,865 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 84 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:41:06,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:06,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1283 states and 1571 transitions. [2018-11-23 15:41:06,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1571 transitions. [2018-11-23 15:41:06,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-23 15:41:06,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:06,038 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 84 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:41:06,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:06,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1287 states and 1575 transitions. [2018-11-23 15:41:06,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 1575 transitions. [2018-11-23 15:41:06,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 15:41:06,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:06,343 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 15:41:08,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:08,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1318 states and 1606 transitions. [2018-11-23 15:41:08,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1606 transitions. [2018-11-23 15:41:08,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 15:41:08,248 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:08,284 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 15:41:08,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:08,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 1342 states and 1630 transitions. [2018-11-23 15:41:08,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1630 transitions. [2018-11-23 15:41:08,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-23 15:41:08,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:09,243 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:41:11,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:11,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1411 states and 1699 transitions. [2018-11-23 15:41:11,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 1699 transitions. [2018-11-23 15:41:11,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-23 15:41:11,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:11,701 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:41:11,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:11,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1413 states and 1700 transitions. [2018-11-23 15:41:11,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1700 transitions. [2018-11-23 15:41:11,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-23 15:41:11,931 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:11,962 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 15:41:12,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:12,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1423 states and 1711 transitions. [2018-11-23 15:41:12,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 1711 transitions. [2018-11-23 15:41:12,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 15:41:12,596 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:12,629 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:41:12,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:12,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1452 states and 1743 transitions. [2018-11-23 15:41:12,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1743 transitions. [2018-11-23 15:41:12,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 15:41:12,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:12,829 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 15:41:13,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:13,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1454 states and 1746 transitions. [2018-11-23 15:41:13,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 1746 transitions. [2018-11-23 15:41:13,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 15:41:13,110 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:13,158 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:41:13,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:13,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 1456 states and 1750 transitions. [2018-11-23 15:41:13,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1750 transitions. [2018-11-23 15:41:13,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 15:41:13,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:13,337 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 15:41:14,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:14,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1468 states and 1767 transitions. [2018-11-23 15:41:14,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1767 transitions. [2018-11-23 15:41:14,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 15:41:14,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:14,975 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 152 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 15:41:15,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:15,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 1484 states and 1786 transitions. [2018-11-23 15:41:15,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1786 transitions. [2018-11-23 15:41:15,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 15:41:15,943 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:16,229 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 99 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:41:16,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:16,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1500 states and 1804 transitions. [2018-11-23 15:41:16,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1804 transitions. [2018-11-23 15:41:16,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 15:41:16,918 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:16,941 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 15:41:17,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:17,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1507 states and 1814 transitions. [2018-11-23 15:41:17,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1814 transitions. [2018-11-23 15:41:17,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-23 15:41:17,822 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:17,972 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 15:41:18,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:18,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1586 states and 1902 transitions. [2018-11-23 15:41:18,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 1902 transitions. [2018-11-23 15:41:18,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-23 15:41:18,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:18,867 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 15:41:19,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:19,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 1599 states and 1916 transitions. [2018-11-23 15:41:19,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 1916 transitions. [2018-11-23 15:41:19,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-23 15:41:19,156 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:19,214 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 15:41:20,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:20,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1629 states and 1946 transitions. [2018-11-23 15:41:20,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1629 states and 1946 transitions. [2018-11-23 15:41:20,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-23 15:41:20,539 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:20,595 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 15:41:22,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:22,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1661 states and 1978 transitions. [2018-11-23 15:41:22,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 1978 transitions. [2018-11-23 15:41:22,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-23 15:41:22,478 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:22,503 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 15:41:22,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:22,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 1682 states and 2000 transitions. [2018-11-23 15:41:22,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2000 transitions. [2018-11-23 15:41:22,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-23 15:41:22,665 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:22,689 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 15:41:22,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:22,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 1683 states and 2001 transitions. [2018-11-23 15:41:22,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2001 transitions. [2018-11-23 15:41:22,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-23 15:41:22,905 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:22,978 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 15:41:23,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:23,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 1684 states and 2001 transitions. [2018-11-23 15:41:23,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2001 transitions. [2018-11-23 15:41:23,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-23 15:41:23,131 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:23,162 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 15:41:23,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:23,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 1690 states and 2010 transitions. [2018-11-23 15:41:23,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 2010 transitions. [2018-11-23 15:41:23,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-23 15:41:23,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:23,405 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 15:41:23,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:23,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2014 states to 1694 states and 2014 transitions. [2018-11-23 15:41:23,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 2014 transitions. [2018-11-23 15:41:23,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-23 15:41:23,699 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:23,729 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 15:41:23,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:23,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 1698 states and 2018 transitions. [2018-11-23 15:41:23,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2018 transitions. [2018-11-23 15:41:23,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-23 15:41:23,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:24,140 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:41:25,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:25,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 1761 states and 2093 transitions. [2018-11-23 15:41:25,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2093 transitions. [2018-11-23 15:41:25,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-23 15:41:25,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:25,876 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:41:26,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:26,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2094 states to 1764 states and 2094 transitions. [2018-11-23 15:41:26,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2094 transitions. [2018-11-23 15:41:26,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-23 15:41:26,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:26,187 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:41:26,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:26,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 1768 states and 2097 transitions. [2018-11-23 15:41:26,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 2097 transitions. [2018-11-23 15:41:26,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-23 15:41:26,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:26,518 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 15:41:26,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:26,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2108 states to 1774 states and 2108 transitions. [2018-11-23 15:41:26,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 2108 transitions. [2018-11-23 15:41:26,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 15:41:26,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:27,131 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:41:27,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:27,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 1794 states and 2132 transitions. [2018-11-23 15:41:27,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2132 transitions. [2018-11-23 15:41:27,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 15:41:27,914 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:27,946 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:41:28,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:28,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 1796 states and 2133 transitions. [2018-11-23 15:41:28,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2133 transitions. [2018-11-23 15:41:28,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-23 15:41:28,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:28,154 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:41:30,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:30,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 1865 states and 2214 transitions. [2018-11-23 15:41:30,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2214 transitions. [2018-11-23 15:41:30,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-23 15:41:30,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:41:32,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:32,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1872 states and 2222 transitions. [2018-11-23 15:41:32,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2222 transitions. [2018-11-23 15:41:32,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-23 15:41:32,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:32,044 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:41:32,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:32,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 1878 states and 2226 transitions. [2018-11-23 15:41:32,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2226 transitions. [2018-11-23 15:41:32,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-23 15:41:32,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:32,660 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 15:41:32,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:32,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 1883 states and 2231 transitions. [2018-11-23 15:41:32,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2231 transitions. [2018-11-23 15:41:32,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 15:41:32,684 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:33,375 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 15:41:35,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:35,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 1920 states and 2269 transitions. [2018-11-23 15:41:35,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2269 transitions. [2018-11-23 15:41:35,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 15:41:35,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:35,571 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 15:41:36,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:36,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2320 states to 1972 states and 2320 transitions. [2018-11-23 15:41:36,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2320 transitions. [2018-11-23 15:41:36,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-23 15:41:36,596 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:36,652 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 15:41:38,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:38,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 1995 states and 2349 transitions. [2018-11-23 15:41:38,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1995 states and 2349 transitions. [2018-11-23 15:41:38,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-23 15:41:38,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:38,389 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 15:41:38,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:38,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 1996 states and 2352 transitions. [2018-11-23 15:41:38,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1996 states and 2352 transitions. [2018-11-23 15:41:38,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-23 15:41:38,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:38,637 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 15:41:38,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:38,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 2000 states and 2356 transitions. [2018-11-23 15:41:38,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2356 transitions. [2018-11-23 15:41:38,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-23 15:41:38,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:39,002 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 15:41:39,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:39,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2003 states and 2360 transitions. [2018-11-23 15:41:39,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 2360 transitions. [2018-11-23 15:41:39,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-23 15:41:39,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:39,402 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 15:41:39,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:39,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 2010 states and 2368 transitions. [2018-11-23 15:41:39,983 INFO L276 IsEmpty]: Start isEmpty. Operand 2010 states and 2368 transitions. [2018-11-23 15:41:39,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-23 15:41:39,984 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:40,029 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 15:41:40,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:40,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 2013 states and 2371 transitions. [2018-11-23 15:41:40,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2013 states and 2371 transitions. [2018-11-23 15:41:40,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-23 15:41:40,358 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:40,412 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 148 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 15:41:41,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:41,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 2031 states and 2394 transitions. [2018-11-23 15:41:41,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 2394 transitions. [2018-11-23 15:41:41,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-23 15:41:41,799 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:41,861 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 148 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 15:41:42,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:42,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2399 states to 2037 states and 2399 transitions. [2018-11-23 15:41:42,585 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2399 transitions. [2018-11-23 15:41:42,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 15:41:42,586 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:42,626 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2018-11-23 15:41:42,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:42,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 2039 states and 2400 transitions. [2018-11-23 15:41:42,786 INFO L276 IsEmpty]: Start isEmpty. Operand 2039 states and 2400 transitions. [2018-11-23 15:41:42,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 15:41:42,787 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:42,880 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 15:41:45,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:45,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2447 states to 2074 states and 2447 transitions. [2018-11-23 15:41:45,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2447 transitions. [2018-11-23 15:41:45,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 15:41:45,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:45,922 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 15:41:46,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:46,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2455 states to 2083 states and 2455 transitions. [2018-11-23 15:41:46,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 2455 transitions. [2018-11-23 15:41:46,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 15:41:46,391 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:46,526 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 15:41:47,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2462 states to 2087 states and 2462 transitions. [2018-11-23 15:41:47,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 2462 transitions. [2018-11-23 15:41:47,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 15:41:47,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:47,310 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 15:41:47,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:47,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2466 states to 2090 states and 2466 transitions. [2018-11-23 15:41:47,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 2466 transitions. [2018-11-23 15:41:47,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 15:41:47,686 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:47,750 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 15:41:48,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:48,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2470 states to 2093 states and 2470 transitions. [2018-11-23 15:41:48,126 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2470 transitions. [2018-11-23 15:41:48,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 15:41:48,127 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:48,188 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 15:41:48,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:48,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 2100 states and 2477 transitions. [2018-11-23 15:41:48,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2477 transitions. [2018-11-23 15:41:48,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-23 15:41:48,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:48,913 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 137 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 15:41:48,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:48,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2108 states and 2485 transitions. [2018-11-23 15:41:48,954 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 2485 transitions. [2018-11-23 15:41:48,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-23 15:41:48,955 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:48,999 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 137 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 15:41:49,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:49,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 2112 states and 2490 transitions. [2018-11-23 15:41:49,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2490 transitions. [2018-11-23 15:41:49,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-23 15:41:49,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:49,365 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 137 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 15:41:49,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:49,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2115 states and 2493 transitions. [2018-11-23 15:41:49,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2493 transitions. [2018-11-23 15:41:49,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-23 15:41:49,677 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:49,704 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-23 15:41:50,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:50,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2121 states and 2499 transitions. [2018-11-23 15:41:50,058 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2499 transitions. [2018-11-23 15:41:50,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-23 15:41:50,059 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:50,087 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-23 15:41:50,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:50,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 2128 states and 2505 transitions. [2018-11-23 15:41:50,500 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 2505 transitions. [2018-11-23 15:41:50,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-23 15:41:50,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 15:41:50,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:50,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2149 states and 2525 transitions. [2018-11-23 15:41:50,755 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2525 transitions. [2018-11-23 15:41:50,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-23 15:41:50,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:50,912 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 15:41:52,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:52,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 2181 states and 2559 transitions. [2018-11-23 15:41:52,957 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2559 transitions. [2018-11-23 15:41:52,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-23 15:41:52,958 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:52,995 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 15:41:53,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:53,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2189 states and 2567 transitions. [2018-11-23 15:41:53,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 2567 transitions. [2018-11-23 15:41:53,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-23 15:41:53,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:53,419 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 15:41:53,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:53,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2190 states and 2569 transitions. [2018-11-23 15:41:53,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 2569 transitions. [2018-11-23 15:41:53,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-23 15:41:53,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 15:41:53,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:53,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2193 states and 2573 transitions. [2018-11-23 15:41:53,957 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 2573 transitions. [2018-11-23 15:41:53,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-23 15:41:53,958 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:53,996 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 15:41:54,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:54,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2576 states to 2196 states and 2576 transitions. [2018-11-23 15:41:54,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2196 states and 2576 transitions. [2018-11-23 15:41:54,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-23 15:41:54,313 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:54,351 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 15:41:54,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:54,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 2197 states and 2578 transitions. [2018-11-23 15:41:54,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 2578 transitions. [2018-11-23 15:41:54,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-23 15:41:54,728 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:54,765 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 15:41:56,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:56,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 2218 states and 2603 transitions. [2018-11-23 15:41:56,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2218 states and 2603 transitions. [2018-11-23 15:41:56,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-23 15:41:56,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:56,246 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-23 15:41:56,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:56,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2231 states and 2615 transitions. [2018-11-23 15:41:56,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2615 transitions. [2018-11-23 15:41:56,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-23 15:41:56,476 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:56,506 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-23 15:41:57,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:41:57,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2262 states and 2645 transitions. [2018-11-23 15:41:57,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2645 transitions. [2018-11-23 15:41:57,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 15:41:57,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:41:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:41:57,837 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 15:42:00,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:00,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 2336 states and 2732 transitions. [2018-11-23 15:42:00,942 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 2732 transitions. [2018-11-23 15:42:00,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 15:42:00,944 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:42:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:42:00,971 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 15:42:02,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:02,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 2399 states and 2798 transitions. [2018-11-23 15:42:02,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2399 states and 2798 transitions. [2018-11-23 15:42:02,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 15:42:02,646 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:42:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:42:02,690 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 15:42:03,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:03,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2848 states to 2449 states and 2848 transitions. [2018-11-23 15:42:03,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2449 states and 2848 transitions. [2018-11-23 15:42:03,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 15:42:03,749 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:42:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:42:05,223 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:42:08,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:08,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2526 states and 2940 transitions. [2018-11-23 15:42:08,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 2940 transitions. [2018-11-23 15:42:08,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 15:42:08,442 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:42:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:42:09,582 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 15:42:12,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:12,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2562 states and 2983 transitions. [2018-11-23 15:42:12,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 2983 transitions. [2018-11-23 15:42:12,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 15:42:12,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:42:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:42:12,552 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 15:42:13,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:13,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2565 states and 2986 transitions. [2018-11-23 15:42:13,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 2986 transitions. [2018-11-23 15:42:13,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 15:42:13,418 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:42:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:42:13,526 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 15:42:14,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:14,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 2568 states and 2989 transitions. [2018-11-23 15:42:14,419 INFO L276 IsEmpty]: Start isEmpty. Operand 2568 states and 2989 transitions. [2018-11-23 15:42:14,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-23 15:42:14,421 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:42:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:42:14,462 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 15:42:15,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:15,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 2582 states and 3005 transitions. [2018-11-23 15:42:15,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states and 3005 transitions. [2018-11-23 15:42:15,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-23 15:42:15,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:42:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:42:15,639 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 15:42:15,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:15,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3006 states to 2584 states and 3006 transitions. [2018-11-23 15:42:15,948 INFO L276 IsEmpty]: Start isEmpty. Operand 2584 states and 3006 transitions. [2018-11-23 15:42:15,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-23 15:42:15,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:42:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:42:15,990 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 15:42:16,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:16,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 2586 states and 3008 transitions. [2018-11-23 15:42:16,026 INFO L276 IsEmpty]: Start isEmpty. Operand 2586 states and 3008 transitions. [2018-11-23 15:42:16,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-23 15:42:16,027 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:42:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:42:16,069 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 15:42:16,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:16,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3028 states to 2607 states and 3028 transitions. [2018-11-23 15:42:16,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2607 states and 3028 transitions. [2018-11-23 15:42:16,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-23 15:42:16,309 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:42:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:42:16,342 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 15:42:17,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:17,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 2615 states and 3037 transitions. [2018-11-23 15:42:17,145 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 3037 transitions. [2018-11-23 15:42:17,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-23 15:42:17,146 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:42:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:42:17,177 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 15:42:17,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:17,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3038 states to 2617 states and 3038 transitions. [2018-11-23 15:42:17,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 3038 transitions. [2018-11-23 15:42:17,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-23 15:42:17,623 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:42:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:42:17,654 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 15:42:18,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:18,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 2640 states and 3060 transitions. [2018-11-23 15:42:18,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2640 states and 3060 transitions. [2018-11-23 15:42:18,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-23 15:42:18,568 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:42:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:42:18,619 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 188 proven. 4 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 15:42:19,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:19,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3070 states to 2649 states and 3070 transitions. [2018-11-23 15:42:19,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2649 states and 3070 transitions. [2018-11-23 15:42:19,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-23 15:42:19,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:42:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:42:19,058 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-23 15:42:19,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:19,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3078 states to 2657 states and 3078 transitions. [2018-11-23 15:42:19,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 3078 transitions. [2018-11-23 15:42:19,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-23 15:42:19,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:42:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:42:19,130 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-23 15:42:20,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:20,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 2736 states and 3160 transitions. [2018-11-23 15:42:20,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2736 states and 3160 transitions. [2018-11-23 15:42:20,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-23 15:42:20,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:42:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:42:20,380 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 194 proven. 4 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 15:42:20,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:20,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3167 states to 2741 states and 3167 transitions. [2018-11-23 15:42:20,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2741 states and 3167 transitions. [2018-11-23 15:42:20,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-11-23 15:42:20,731 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:42:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:42:20,913 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 194 proven. 4 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 15:42:21,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:21,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3167 states to 2742 states and 3167 transitions. [2018-11-23 15:42:21,244 INFO L276 IsEmpty]: Start isEmpty. Operand 2742 states and 3167 transitions. [2018-11-23 15:42:21,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-23 15:42:21,246 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:42:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:42:21,309 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-23 15:42:21,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:21,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 2743 states and 3168 transitions. [2018-11-23 15:42:21,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2743 states and 3168 transitions. [2018-11-23 15:42:21,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-23 15:42:21,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:42:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:42:21,410 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-23 15:42:21,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:21,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 2661 states and 3083 transitions. [2018-11-23 15:42:21,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 3083 transitions. [2018-11-23 15:42:21,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:42:21,770 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 157 iterations. [2018-11-23 15:42:21,777 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 15:42:23,345 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 13 [2018-11-23 15:42:23,793 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 43 [2018-11-23 15:42:24,748 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 39 [2018-11-23 15:42:24,874 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 13 [2018-11-23 15:42:26,551 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 13 [2018-11-23 15:42:26,876 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 44 [2018-11-23 15:42:27,052 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:42:27,053 INFO L579 CodeCheckObserver]: Invariant with dag size 13 [2018-11-23 15:42:27,059 INFO L579 CodeCheckObserver]: Invariant with dag size 13 [2018-11-23 15:42:27,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:42:27 ImpRootNode [2018-11-23 15:42:27,060 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 15:42:27,060 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:42:27,060 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:42:27,060 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:42:27,061 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:26" (3/4) ... [2018-11-23 15:42:27,063 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:42:27,075 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-11-23 15:42:27,076 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 15:42:27,076 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 15:42:27,077 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:42:27,160 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d3883015-814f-44ae-9314-60d11c9df4ed/bin-2019/ukojak/witness.graphml [2018-11-23 15:42:27,160 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:42:27,161 INFO L168 Benchmark]: Toolchain (without parser) took 122680.13 ms. Allocated memory was 1.0 GB in the beginning and 3.6 GB in the end (delta: 2.6 GB). Free memory was 953.9 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-23 15:42:27,162 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:42:27,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 432.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 953.9 MB in the beginning and 1.2 GB in the end (delta: -209.5 MB). Peak memory consumption was 56.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:42:27,163 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-23 15:42:27,163 INFO L168 Benchmark]: Boogie Preprocessor took 41.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:42:27,163 INFO L168 Benchmark]: RCFGBuilder took 1509.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.2 MB in the end (delta: 243.8 MB). Peak memory consumption was 243.8 MB. Max. memory is 11.5 GB. [2018-11-23 15:42:27,163 INFO L168 Benchmark]: CodeCheck took 120553.80 ms. Allocated memory was 1.2 GB in the beginning and 3.6 GB in the end (delta: 2.4 GB). Free memory was 899.2 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-11-23 15:42:27,164 INFO L168 Benchmark]: Witness Printer took 99.81 ms. Allocated memory is still 3.6 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-23 15:42:27,165 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, 115.2s OverallTime, 157 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 441909600 SDtfs, -962903952 SDslu, -301463488 SDs, 0 SdLazy, 713367096 SolverSat, 1518963712 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 506.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 174199 GetRequests, 170989 SyntacticMatches, 1800 SemanticMatches, 1410 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1422991 ImplicationChecksByTransitivity, 99.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 10.9s InterpolantComputationTime, 26233 NumberOfCodeBlocks, 26233 NumberOfCodeBlocksAsserted, 156 NumberOfCheckSat, 26077 ConstructedInterpolants, 0 QuantifiedInterpolants, 14257065 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 156 InterpolantComputations, 125 PerfectInterpolantSequences, 19369/19619 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: 496]: 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: ((a17 == 8 || a19 == 1) || !(a25 == 1)) || !(a28 == 8) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((a19 == 1 || a17 == 8) || !(a28 == 8)) || !(a25 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 432.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 953.9 MB in the beginning and 1.2 GB in the end (delta: -209.5 MB). Peak memory consumption was 56.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1509.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.2 MB in the end (delta: 243.8 MB). Peak memory consumption was 243.8 MB. Max. memory is 11.5 GB. * CodeCheck took 120553.80 ms. Allocated memory was 1.2 GB in the beginning and 3.6 GB in the end (delta: 2.4 GB). Free memory was 899.2 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. * Witness Printer took 99.81 ms. Allocated memory is still 3.6 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...