./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label34_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5c071fa8-23b6-4b01-81f7-ad16a766cf22/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5c071fa8-23b6-4b01-81f7-ad16a766cf22/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5c071fa8-23b6-4b01-81f7-ad16a766cf22/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5c071fa8-23b6-4b01-81f7-ad16a766cf22/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label34_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5c071fa8-23b6-4b01-81f7-ad16a766cf22/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5c071fa8-23b6-4b01-81f7-ad16a766cf22/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 967c72bd82820b824aa390b27f8a26458e2fde4d ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:56:00,839 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:56:00,840 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:56:00,849 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:56:00,850 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:56:00,850 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:56:00,851 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:56:00,853 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:56:00,854 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:56:00,854 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:56:00,856 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:56:00,856 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:56:00,857 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:56:00,857 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:56:00,858 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:56:00,859 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:56:00,860 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:56:00,861 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:56:00,863 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:56:00,864 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:56:00,865 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:56:00,866 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:56:00,867 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:56:00,868 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:56:00,868 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:56:00,868 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:56:00,869 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:56:00,870 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:56:00,870 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:56:00,872 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:56:00,872 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:56:00,874 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:56:00,876 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:56:00,876 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:56:00,876 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:56:00,877 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:56:00,877 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5c071fa8-23b6-4b01-81f7-ad16a766cf22/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 16:56:00,893 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:56:00,894 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:56:00,894 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:56:00,895 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:56:00,895 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:56:00,895 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:56:00,895 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:56:00,896 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:56:00,896 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:56:00,896 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:56:00,896 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:56:00,896 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:56:00,896 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:56:00,896 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:56:00,897 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:56:00,897 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:56:00,897 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:56:00,897 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:56:00,897 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 16:56:00,897 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 16:56:00,898 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:56:00,898 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:56:00,898 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:56:00,898 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:56:00,898 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:56:00,898 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:56:00,898 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 16:56:00,899 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:56:00,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:56:00,899 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_5c071fa8-23b6-4b01-81f7-ad16a766cf22/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 -> 967c72bd82820b824aa390b27f8a26458e2fde4d [2018-11-18 16:56:00,929 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:56:00,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:56:00,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:56:00,949 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:56:00,951 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:56:00,951 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5c071fa8-23b6-4b01-81f7-ad16a766cf22/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label34_true-unreach-call_false-termination.c [2018-11-18 16:56:01,003 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c071fa8-23b6-4b01-81f7-ad16a766cf22/bin-2019/ukojak/data/5adea666f/89a38019408f4642b3772a8a8498f605/FLAG05214bb53 [2018-11-18 16:56:01,479 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:56:01,479 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5c071fa8-23b6-4b01-81f7-ad16a766cf22/sv-benchmarks/c/eca-rers2012/Problem02_label34_true-unreach-call_false-termination.c [2018-11-18 16:56:01,495 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c071fa8-23b6-4b01-81f7-ad16a766cf22/bin-2019/ukojak/data/5adea666f/89a38019408f4642b3772a8a8498f605/FLAG05214bb53 [2018-11-18 16:56:01,971 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5c071fa8-23b6-4b01-81f7-ad16a766cf22/bin-2019/ukojak/data/5adea666f/89a38019408f4642b3772a8a8498f605 [2018-11-18 16:56:01,974 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:56:01,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:56:01,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:56:01,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:56:01,978 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:56:01,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:56:01" (1/1) ... [2018-11-18 16:56:01,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788382f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:01, skipping insertion in model container [2018-11-18 16:56:01,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:56:01" (1/1) ... [2018-11-18 16:56:01,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:56:02,029 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:56:02,308 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:56:02,312 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:56:02,426 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:56:02,445 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:56:02,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:02 WrapperNode [2018-11-18 16:56:02,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:56:02,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:56:02,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:56:02,447 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:56:02,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:02" (1/1) ... [2018-11-18 16:56:02,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:02" (1/1) ... [2018-11-18 16:56:02,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:56:02,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:56:02,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:56:02,568 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:56:02,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:02" (1/1) ... [2018-11-18 16:56:02,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:02" (1/1) ... [2018-11-18 16:56:02,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:02" (1/1) ... [2018-11-18 16:56:02,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:02" (1/1) ... [2018-11-18 16:56:02,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:02" (1/1) ... [2018-11-18 16:56:02,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:02" (1/1) ... [2018-11-18 16:56:02,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:02" (1/1) ... [2018-11-18 16:56:02,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:56:02,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:56:02,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:56:02,613 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:56:02,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:56:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c071fa8-23b6-4b01-81f7-ad16a766cf22/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:56:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 16:56:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:56:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:56:06,039 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:56:06,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:56:06 BoogieIcfgContainer [2018-11-18 16:56:06,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:56:06,040 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 16:56:06,040 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 16:56:06,051 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 16:56:06,051 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:56:06" (1/1) ... [2018-11-18 16:56:06,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:56:06,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:06,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 16:56:06,116 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 16:56:06,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 16:56:06,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:06,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:07,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:07,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 165 states and 253 transitions. [2018-11-18 16:56:07,012 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 253 transitions. [2018-11-18 16:56:07,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 16:56:07,015 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:07,149 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:07,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:07,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 244 states and 344 transitions. [2018-11-18 16:56:07,740 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 344 transitions. [2018-11-18 16:56:07,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 16:56:07,742 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:08,009 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:08,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:08,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 249 states and 351 transitions. [2018-11-18 16:56:08,251 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 351 transitions. [2018-11-18 16:56:08,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 16:56:08,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:08,343 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:08,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:08,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 259 states and 363 transitions. [2018-11-18 16:56:08,509 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 363 transitions. [2018-11-18 16:56:08,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 16:56:08,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:08,535 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:08,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:08,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 264 states and 368 transitions. [2018-11-18 16:56:08,739 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 368 transitions. [2018-11-18 16:56:08,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 16:56:08,740 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:08,765 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 16:56:09,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:09,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 275 states and 383 transitions. [2018-11-18 16:56:09,326 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 383 transitions. [2018-11-18 16:56:09,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 16:56:09,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:09,378 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 16:56:09,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:09,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 278 states and 386 transitions. [2018-11-18 16:56:09,648 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 386 transitions. [2018-11-18 16:56:09,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 16:56:09,649 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:09,694 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 16:56:09,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:09,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 279 states and 387 transitions. [2018-11-18 16:56:09,822 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 387 transitions. [2018-11-18 16:56:09,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 16:56:09,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:09,861 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:56:10,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:10,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 284 states and 393 transitions. [2018-11-18 16:56:10,041 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 393 transitions. [2018-11-18 16:56:10,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 16:56:10,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:10,068 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 16:56:10,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:10,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 285 states and 394 transitions. [2018-11-18 16:56:10,106 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 394 transitions. [2018-11-18 16:56:10,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 16:56:10,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:10,134 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:10,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:10,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 292 states and 401 transitions. [2018-11-18 16:56:10,294 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 401 transitions. [2018-11-18 16:56:10,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 16:56:10,295 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:10,328 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 16:56:10,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:10,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 299 states and 408 transitions. [2018-11-18 16:56:10,392 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 408 transitions. [2018-11-18 16:56:10,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 16:56:10,393 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:10,417 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:10,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:10,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 305 states and 414 transitions. [2018-11-18 16:56:10,752 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 414 transitions. [2018-11-18 16:56:10,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 16:56:10,753 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:10,811 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:11,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:11,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 325 states and 436 transitions. [2018-11-18 16:56:11,138 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 436 transitions. [2018-11-18 16:56:11,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 16:56:11,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:11,192 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 16:56:11,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:11,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 344 states and 458 transitions. [2018-11-18 16:56:11,382 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 458 transitions. [2018-11-18 16:56:11,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 16:56:11,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:11,490 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 16:56:12,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:12,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 454 states and 580 transitions. [2018-11-18 16:56:12,529 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 580 transitions. [2018-11-18 16:56:12,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 16:56:12,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:12,570 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:12,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:12,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 461 states and 587 transitions. [2018-11-18 16:56:12,600 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 587 transitions. [2018-11-18 16:56:12,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 16:56:12,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:12,667 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:13,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:13,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 493 states and 625 transitions. [2018-11-18 16:56:13,153 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 625 transitions. [2018-11-18 16:56:13,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 16:56:13,154 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:13,286 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 16:56:14,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:14,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 532 states and 672 transitions. [2018-11-18 16:56:14,094 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 672 transitions. [2018-11-18 16:56:14,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 16:56:14,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:14,124 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:56:14,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:14,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 549 states and 691 transitions. [2018-11-18 16:56:14,455 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 691 transitions. [2018-11-18 16:56:14,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 16:56:14,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:14,488 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:56:14,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:14,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 564 states and 706 transitions. [2018-11-18 16:56:14,713 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 706 transitions. [2018-11-18 16:56:14,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 16:56:14,714 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:14,741 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 16:56:15,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:15,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 587 states and 733 transitions. [2018-11-18 16:56:15,487 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 733 transitions. [2018-11-18 16:56:15,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 16:56:15,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:15,519 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:56:16,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:16,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 610 states and 765 transitions. [2018-11-18 16:56:16,839 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 765 transitions. [2018-11-18 16:56:16,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 16:56:16,840 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:16,871 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:17,257 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-18 16:56:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:17,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 643 states and 800 transitions. [2018-11-18 16:56:17,748 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 800 transitions. [2018-11-18 16:56:17,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 16:56:17,749 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:17,789 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 16:56:18,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:18,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 650 states and 810 transitions. [2018-11-18 16:56:18,298 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 810 transitions. [2018-11-18 16:56:18,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 16:56:18,299 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:18,327 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:56:18,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:18,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 659 states and 818 transitions. [2018-11-18 16:56:18,662 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 818 transitions. [2018-11-18 16:56:18,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 16:56:18,663 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:18,693 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 16:56:18,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:18,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 681 states and 840 transitions. [2018-11-18 16:56:18,925 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 840 transitions. [2018-11-18 16:56:18,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 16:56:18,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:18,956 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:19,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:19,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 734 states and 902 transitions. [2018-11-18 16:56:19,895 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 902 transitions. [2018-11-18 16:56:19,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 16:56:19,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:20,212 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:56:20,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:20,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 766 states and 939 transitions. [2018-11-18 16:56:20,659 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 939 transitions. [2018-11-18 16:56:20,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 16:56:20,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:20,687 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 16:56:21,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:21,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 799 states and 975 transitions. [2018-11-18 16:56:21,392 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 975 transitions. [2018-11-18 16:56:21,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 16:56:21,393 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:21,427 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:21,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:21,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 831 states and 1009 transitions. [2018-11-18 16:56:21,870 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1009 transitions. [2018-11-18 16:56:21,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 16:56:21,871 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:21,901 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:22,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:22,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 836 states and 1019 transitions. [2018-11-18 16:56:22,201 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1019 transitions. [2018-11-18 16:56:22,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 16:56:22,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:22,513 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 16:56:23,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:23,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 878 states and 1071 transitions. [2018-11-18 16:56:23,832 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1071 transitions. [2018-11-18 16:56:23,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 16:56:23,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:23,874 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 16:56:24,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:24,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 893 states and 1085 transitions. [2018-11-18 16:56:24,098 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1085 transitions. [2018-11-18 16:56:24,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 16:56:24,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:24,203 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:56:24,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:24,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 914 states and 1109 transitions. [2018-11-18 16:56:24,753 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1109 transitions. [2018-11-18 16:56:24,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 16:56:24,754 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:24,862 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:56:24,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:24,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 923 states and 1117 transitions. [2018-11-18 16:56:24,958 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1117 transitions. [2018-11-18 16:56:24,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 16:56:24,959 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:25,130 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:56:25,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:25,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 932 states and 1125 transitions. [2018-11-18 16:56:25,317 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1125 transitions. [2018-11-18 16:56:25,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 16:56:25,319 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:25,640 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:28,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:28,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 999 states and 1202 transitions. [2018-11-18 16:56:28,372 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1202 transitions. [2018-11-18 16:56:28,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 16:56:28,373 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:28,401 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 16:56:28,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:28,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1004 states and 1211 transitions. [2018-11-18 16:56:28,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1211 transitions. [2018-11-18 16:56:28,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 16:56:28,724 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:28,983 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:32,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:32,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1067 states and 1281 transitions. [2018-11-18 16:56:32,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1281 transitions. [2018-11-18 16:56:32,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 16:56:32,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:32,969 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:56:33,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:33,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1090 states and 1308 transitions. [2018-11-18 16:56:33,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1308 transitions. [2018-11-18 16:56:33,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 16:56:33,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:33,501 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:56:33,641 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-18 16:56:34,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:34,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1100 states and 1316 transitions. [2018-11-18 16:56:34,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1316 transitions. [2018-11-18 16:56:34,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 16:56:34,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:34,067 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:56:34,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:34,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1109 states and 1324 transitions. [2018-11-18 16:56:34,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1324 transitions. [2018-11-18 16:56:34,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 16:56:34,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:34,504 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:36,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:36,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1144 states and 1363 transitions. [2018-11-18 16:56:36,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1363 transitions. [2018-11-18 16:56:36,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 16:56:36,637 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:36,719 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:37,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:37,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1159 states and 1377 transitions. [2018-11-18 16:56:37,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1377 transitions. [2018-11-18 16:56:37,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 16:56:37,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:37,280 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 16:56:37,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:37,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1162 states and 1380 transitions. [2018-11-18 16:56:37,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1380 transitions. [2018-11-18 16:56:37,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 16:56:37,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:37,680 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:39,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:39,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1209 states and 1434 transitions. [2018-11-18 16:56:39,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1434 transitions. [2018-11-18 16:56:39,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 16:56:39,843 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:39,874 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 102 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 16:56:40,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:40,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1228 states and 1455 transitions. [2018-11-18 16:56:40,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1455 transitions. [2018-11-18 16:56:40,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 16:56:40,140 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:40,172 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:40,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:40,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1233 states and 1461 transitions. [2018-11-18 16:56:40,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1461 transitions. [2018-11-18 16:56:40,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 16:56:40,510 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:40,552 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 16:56:40,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:40,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1236 states and 1467 transitions. [2018-11-18 16:56:40,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1467 transitions. [2018-11-18 16:56:40,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 16:56:40,635 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:40,688 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:56:40,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:40,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1243 states and 1477 transitions. [2018-11-18 16:56:40,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1477 transitions. [2018-11-18 16:56:40,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 16:56:40,731 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:40,764 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 16:56:41,611 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-11-18 16:56:43,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:43,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1282 states and 1523 transitions. [2018-11-18 16:56:43,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1523 transitions. [2018-11-18 16:56:43,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 16:56:43,103 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:43,126 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:43,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:43,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1286 states and 1528 transitions. [2018-11-18 16:56:43,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1528 transitions. [2018-11-18 16:56:43,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 16:56:43,311 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:43,334 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:56:43,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:43,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1297 states and 1539 transitions. [2018-11-18 16:56:43,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1539 transitions. [2018-11-18 16:56:43,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 16:56:43,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:43,898 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 16:56:46,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:46,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1333 states and 1576 transitions. [2018-11-18 16:56:46,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1576 transitions. [2018-11-18 16:56:46,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 16:56:46,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:46,426 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:56:47,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:47,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1364 states and 1610 transitions. [2018-11-18 16:56:47,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1610 transitions. [2018-11-18 16:56:47,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 16:56:47,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:47,297 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 16:56:47,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:47,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1387 states and 1633 transitions. [2018-11-18 16:56:47,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1633 transitions. [2018-11-18 16:56:47,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 16:56:47,584 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:47,610 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 16:56:47,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:47,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1402 states and 1652 transitions. [2018-11-18 16:56:47,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1652 transitions. [2018-11-18 16:56:47,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 16:56:47,969 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:48,533 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 16:56:52,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:52,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1470 states and 1720 transitions. [2018-11-18 16:56:52,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1720 transitions. [2018-11-18 16:56:52,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 16:56:52,131 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:52,257 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 16:56:53,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:53,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1506 states and 1755 transitions. [2018-11-18 16:56:53,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 1755 transitions. [2018-11-18 16:56:53,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 16:56:53,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:53,714 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:56:54,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:54,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1522 states and 1775 transitions. [2018-11-18 16:56:54,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 1775 transitions. [2018-11-18 16:56:54,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 16:56:54,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:54,227 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 16:56:54,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:54,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1602 states and 1860 transitions. [2018-11-18 16:56:54,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 1860 transitions. [2018-11-18 16:56:54,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 16:56:54,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:54,990 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-18 16:56:56,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:56,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1630 states and 1902 transitions. [2018-11-18 16:56:56,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 1902 transitions. [2018-11-18 16:56:56,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 16:56:56,405 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:56,443 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-18 16:56:58,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:58,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1654 states and 1928 transitions. [2018-11-18 16:56:58,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 1928 transitions. [2018-11-18 16:56:58,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 16:56:58,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:58,211 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-18 16:56:58,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:58,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1668 states and 1941 transitions. [2018-11-18 16:56:58,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 1941 transitions. [2018-11-18 16:56:58,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 16:56:58,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:58,460 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-18 16:56:58,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:58,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1684 states and 1960 transitions. [2018-11-18 16:56:58,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 1960 transitions. [2018-11-18 16:56:58,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 16:56:58,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:59,000 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-18 16:56:59,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:59,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1964 states to 1687 states and 1964 transitions. [2018-11-18 16:56:59,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 1964 transitions. [2018-11-18 16:56:59,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 16:56:59,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:59,319 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-18 16:56:59,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:56:59,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1690 states and 1966 transitions. [2018-11-18 16:56:59,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 1966 transitions. [2018-11-18 16:56:59,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 16:56:59,559 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:56:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:56:59,607 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-18 16:57:00,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:00,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1703 states and 1978 transitions. [2018-11-18 16:57:00,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1978 transitions. [2018-11-18 16:57:00,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 16:57:00,016 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:00,055 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-18 16:57:00,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:00,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1716 states and 1990 transitions. [2018-11-18 16:57:00,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1716 states and 1990 transitions. [2018-11-18 16:57:00,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 16:57:00,213 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:00,783 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 16:57:02,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:02,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 1742 states and 2018 transitions. [2018-11-18 16:57:02,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2018 transitions. [2018-11-18 16:57:02,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 16:57:02,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:02,181 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 16:57:03,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:03,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 1816 states and 2091 transitions. [2018-11-18 16:57:03,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2091 transitions. [2018-11-18 16:57:03,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 16:57:03,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:03,059 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 16:57:03,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:03,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2106 states to 1832 states and 2106 transitions. [2018-11-18 16:57:03,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2106 transitions. [2018-11-18 16:57:03,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 16:57:03,470 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:03,509 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 16:57:05,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:05,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 1907 states and 2182 transitions. [2018-11-18 16:57:05,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 2182 transitions. [2018-11-18 16:57:05,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 16:57:05,439 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:05,488 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 118 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 16:57:05,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:05,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 1969 states and 2245 transitions. [2018-11-18 16:57:05,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2245 transitions. [2018-11-18 16:57:05,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 16:57:05,932 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:05,967 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 118 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 16:57:06,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:06,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2250 states to 1975 states and 2250 transitions. [2018-11-18 16:57:06,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2250 transitions. [2018-11-18 16:57:06,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-18 16:57:06,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:06,192 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 16:57:07,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:07,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2286 states to 2008 states and 2286 transitions. [2018-11-18 16:57:07,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2008 states and 2286 transitions. [2018-11-18 16:57:07,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-18 16:57:07,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:07,597 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 16:57:07,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:07,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 2024 states and 2301 transitions. [2018-11-18 16:57:07,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2301 transitions. [2018-11-18 16:57:07,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-18 16:57:07,996 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:08,086 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 16:57:08,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:08,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2316 states to 2040 states and 2316 transitions. [2018-11-18 16:57:08,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 2316 transitions. [2018-11-18 16:57:08,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-18 16:57:08,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:09,308 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 16:57:12,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:12,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2133 states and 2412 transitions. [2018-11-18 16:57:12,259 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2412 transitions. [2018-11-18 16:57:12,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 16:57:12,261 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:12,306 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 132 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 16:57:12,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:12,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2472 states to 2190 states and 2472 transitions. [2018-11-18 16:57:12,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 2472 transitions. [2018-11-18 16:57:12,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 16:57:12,883 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:13,672 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 16:57:19,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:19,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2283 states and 2569 transitions. [2018-11-18 16:57:19,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 2569 transitions. [2018-11-18 16:57:19,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 16:57:19,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:19,783 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 16:57:22,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:22,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2319 states and 2605 transitions. [2018-11-18 16:57:22,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 2605 transitions. [2018-11-18 16:57:22,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 16:57:22,553 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:22,671 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 16:57:25,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:25,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 2352 states and 2637 transitions. [2018-11-18 16:57:25,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2352 states and 2637 transitions. [2018-11-18 16:57:25,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 16:57:25,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:25,439 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 16:57:26,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:26,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2367 states and 2651 transitions. [2018-11-18 16:57:26,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2651 transitions. [2018-11-18 16:57:26,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 16:57:26,144 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:26,240 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 16:57:26,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:26,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 2382 states and 2665 transitions. [2018-11-18 16:57:26,867 INFO L276 IsEmpty]: Start isEmpty. Operand 2382 states and 2665 transitions. [2018-11-18 16:57:26,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-18 16:57:26,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:26,930 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 16:57:27,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:27,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2387 states and 2674 transitions. [2018-11-18 16:57:27,228 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 2674 transitions. [2018-11-18 16:57:27,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 16:57:27,229 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:27,488 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 16:57:29,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:29,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 2445 states and 2748 transitions. [2018-11-18 16:57:29,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 2748 transitions. [2018-11-18 16:57:29,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 16:57:29,423 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:29,587 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 16:57:30,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:30,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2462 states and 2766 transitions. [2018-11-18 16:57:30,496 INFO L276 IsEmpty]: Start isEmpty. Operand 2462 states and 2766 transitions. [2018-11-18 16:57:30,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 16:57:30,497 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:30,650 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 16:57:31,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:31,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2471 states and 2774 transitions. [2018-11-18 16:57:31,062 INFO L276 IsEmpty]: Start isEmpty. Operand 2471 states and 2774 transitions. [2018-11-18 16:57:31,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 16:57:31,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:31,212 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 16:57:31,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:31,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2474 states and 2777 transitions. [2018-11-18 16:57:31,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 2777 transitions. [2018-11-18 16:57:31,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 16:57:31,530 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:31,679 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 16:57:32,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:32,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 2488 states and 2792 transitions. [2018-11-18 16:57:32,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2488 states and 2792 transitions. [2018-11-18 16:57:32,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 16:57:32,035 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:32,109 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 16:57:34,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:34,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2878 states to 2558 states and 2878 transitions. [2018-11-18 16:57:34,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 2878 transitions. [2018-11-18 16:57:34,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 16:57:34,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:34,973 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 16:57:35,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:35,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2583 states and 2902 transitions. [2018-11-18 16:57:35,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2583 states and 2902 transitions. [2018-11-18 16:57:35,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 16:57:35,928 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:35,981 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 16:57:36,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:36,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 2592 states and 2910 transitions. [2018-11-18 16:57:36,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2592 states and 2910 transitions. [2018-11-18 16:57:36,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 16:57:36,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:36,401 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 16:57:36,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:36,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 2595 states and 2912 transitions. [2018-11-18 16:57:36,752 INFO L276 IsEmpty]: Start isEmpty. Operand 2595 states and 2912 transitions. [2018-11-18 16:57:36,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 16:57:36,753 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:36,823 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 16:57:37,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:37,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 2608 states and 2924 transitions. [2018-11-18 16:57:37,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2608 states and 2924 transitions. [2018-11-18 16:57:37,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 16:57:37,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:37,269 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 16:57:37,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:37,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 2622 states and 2937 transitions. [2018-11-18 16:57:37,671 INFO L276 IsEmpty]: Start isEmpty. Operand 2622 states and 2937 transitions. [2018-11-18 16:57:37,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 16:57:37,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:37,707 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-18 16:57:37,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:37,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 2649 states and 2964 transitions. [2018-11-18 16:57:37,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2649 states and 2964 transitions. [2018-11-18 16:57:37,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-11-18 16:57:37,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:37,826 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 16:57:39,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:39,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 2689 states and 3016 transitions. [2018-11-18 16:57:39,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 3016 transitions. [2018-11-18 16:57:39,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-11-18 16:57:39,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:39,486 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 16:57:40,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:40,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 2717 states and 3044 transitions. [2018-11-18 16:57:40,269 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 3044 transitions. [2018-11-18 16:57:40,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-11-18 16:57:40,270 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:40,301 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 16:57:40,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:40,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3059 states to 2731 states and 3059 transitions. [2018-11-18 16:57:40,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2731 states and 3059 transitions. [2018-11-18 16:57:40,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 16:57:40,705 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:40,782 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 203 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 16:57:41,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:41,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 2759 states and 3095 transitions. [2018-11-18 16:57:41,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3095 transitions. [2018-11-18 16:57:41,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 16:57:41,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:41,862 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 203 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 16:57:42,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:42,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 2767 states and 3104 transitions. [2018-11-18 16:57:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 3104 transitions. [2018-11-18 16:57:42,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 16:57:42,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:42,614 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 203 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 16:57:43,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:43,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 2777 states and 3117 transitions. [2018-11-18 16:57:43,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 3117 transitions. [2018-11-18 16:57:43,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 16:57:43,406 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:43,482 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 203 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 16:57:43,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:43,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3129 states to 2790 states and 3129 transitions. [2018-11-18 16:57:43,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3129 transitions. [2018-11-18 16:57:43,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 16:57:43,839 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:43,894 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 203 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 16:57:44,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:44,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 2806 states and 3145 transitions. [2018-11-18 16:57:44,618 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 3145 transitions. [2018-11-18 16:57:44,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 16:57:44,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:44,677 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 203 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 16:57:45,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:45,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3157 states to 2819 states and 3157 transitions. [2018-11-18 16:57:45,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 3157 transitions. [2018-11-18 16:57:45,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 16:57:45,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:45,091 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 203 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 16:57:45,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:45,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 2833 states and 3170 transitions. [2018-11-18 16:57:45,480 INFO L276 IsEmpty]: Start isEmpty. Operand 2833 states and 3170 transitions. [2018-11-18 16:57:45,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 16:57:45,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:45,666 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 16:57:46,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:46,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 2839 states and 3177 transitions. [2018-11-18 16:57:46,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3177 transitions. [2018-11-18 16:57:46,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 16:57:46,329 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:46,362 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 16:57:46,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 2853 states and 3192 transitions. [2018-11-18 16:57:46,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2853 states and 3192 transitions. [2018-11-18 16:57:46,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 16:57:46,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:46,986 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 16:57:47,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:47,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3206 states to 2867 states and 3206 transitions. [2018-11-18 16:57:47,437 INFO L276 IsEmpty]: Start isEmpty. Operand 2867 states and 3206 transitions. [2018-11-18 16:57:47,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-11-18 16:57:47,439 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:47,625 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 16:57:47,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:47,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 2870 states and 3209 transitions. [2018-11-18 16:57:47,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 3209 transitions. [2018-11-18 16:57:47,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 16:57:47,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:47,922 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 154 proven. 1 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-18 16:57:48,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:48,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 2872 states and 3213 transitions. [2018-11-18 16:57:48,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2872 states and 3213 transitions. [2018-11-18 16:57:48,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 16:57:48,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:48,494 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 154 proven. 1 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-18 16:57:48,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:48,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 2881 states and 3222 transitions. [2018-11-18 16:57:48,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 3222 transitions. [2018-11-18 16:57:48,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 16:57:48,556 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:48,601 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 154 proven. 1 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-18 16:57:49,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:49,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3236 states to 2895 states and 3236 transitions. [2018-11-18 16:57:49,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 3236 transitions. [2018-11-18 16:57:49,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-18 16:57:49,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:49,056 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-18 16:57:49,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:49,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3241 states to 2900 states and 3241 transitions. [2018-11-18 16:57:49,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 3241 transitions. [2018-11-18 16:57:49,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-18 16:57:49,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:49,600 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-18 16:57:49,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:49,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3243 states to 2902 states and 3243 transitions. [2018-11-18 16:57:49,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2902 states and 3243 transitions. [2018-11-18 16:57:49,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-18 16:57:49,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:49,911 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 181 proven. 15 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-18 16:57:50,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:50,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 2910 states and 3250 transitions. [2018-11-18 16:57:50,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2910 states and 3250 transitions. [2018-11-18 16:57:50,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-11-18 16:57:50,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:50,277 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-11-18 16:57:50,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:50,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3269 states to 2922 states and 3269 transitions. [2018-11-18 16:57:50,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2922 states and 3269 transitions. [2018-11-18 16:57:50,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-18 16:57:50,876 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:50,932 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-11-18 16:57:51,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:51,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3269 states to 2923 states and 3269 transitions. [2018-11-18 16:57:51,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2923 states and 3269 transitions. [2018-11-18 16:57:51,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 16:57:51,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:51,276 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 217 proven. 5 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-18 16:57:51,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:51,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 2947 states and 3294 transitions. [2018-11-18 16:57:51,618 INFO L276 IsEmpty]: Start isEmpty. Operand 2947 states and 3294 transitions. [2018-11-18 16:57:51,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 16:57:51,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:51,959 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 16:57:53,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:53,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 2970 states and 3321 transitions. [2018-11-18 16:57:53,636 INFO L276 IsEmpty]: Start isEmpty. Operand 2970 states and 3321 transitions. [2018-11-18 16:57:53,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 16:57:53,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:53,684 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 213 proven. 2 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-18 16:57:53,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:53,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 2971 states and 3321 transitions. [2018-11-18 16:57:53,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 3321 transitions. [2018-11-18 16:57:53,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 16:57:53,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:53,912 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 172 proven. 5 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-18 16:57:54,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:54,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 2977 states and 3329 transitions. [2018-11-18 16:57:54,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2977 states and 3329 transitions. [2018-11-18 16:57:54,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 16:57:54,356 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:54,405 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 16:57:54,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:54,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3334 states to 2982 states and 3334 transitions. [2018-11-18 16:57:54,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 3334 transitions. [2018-11-18 16:57:54,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 16:57:54,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:54,829 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 16:57:55,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:57:55,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3339 states to 2986 states and 3339 transitions. [2018-11-18 16:57:55,203 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 3339 transitions. [2018-11-18 16:57:55,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 16:57:55,204 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:57:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:57:56,650 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 16:58:00,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:00,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3400 states to 3032 states and 3400 transitions. [2018-11-18 16:58:00,310 INFO L276 IsEmpty]: Start isEmpty. Operand 3032 states and 3400 transitions. [2018-11-18 16:58:00,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 16:58:00,312 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:00,608 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 16:58:01,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:01,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3401 states to 3033 states and 3401 transitions. [2018-11-18 16:58:01,056 INFO L276 IsEmpty]: Start isEmpty. Operand 3033 states and 3401 transitions. [2018-11-18 16:58:01,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 16:58:01,057 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:01,322 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 16:58:02,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:02,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3420 states to 3048 states and 3420 transitions. [2018-11-18 16:58:02,129 INFO L276 IsEmpty]: Start isEmpty. Operand 3048 states and 3420 transitions. [2018-11-18 16:58:02,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 16:58:02,131 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:02,487 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 16:58:02,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:02,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3428 states to 3057 states and 3428 transitions. [2018-11-18 16:58:02,907 INFO L276 IsEmpty]: Start isEmpty. Operand 3057 states and 3428 transitions. [2018-11-18 16:58:02,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 16:58:02,908 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:03,169 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 16:58:03,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:03,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3438 states to 3066 states and 3438 transitions. [2018-11-18 16:58:03,655 INFO L276 IsEmpty]: Start isEmpty. Operand 3066 states and 3438 transitions. [2018-11-18 16:58:03,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-18 16:58:03,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:03,718 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2018-11-18 16:58:04,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:04,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3459 states to 3088 states and 3459 transitions. [2018-11-18 16:58:04,108 INFO L276 IsEmpty]: Start isEmpty. Operand 3088 states and 3459 transitions. [2018-11-18 16:58:04,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-18 16:58:04,109 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:04,194 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 309 proven. 5 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-18 16:58:05,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:05,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3493 states to 3118 states and 3493 transitions. [2018-11-18 16:58:05,547 INFO L276 IsEmpty]: Start isEmpty. Operand 3118 states and 3493 transitions. [2018-11-18 16:58:05,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-18 16:58:05,549 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:05,633 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 309 proven. 5 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-18 16:58:06,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:06,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3513 states to 3139 states and 3513 transitions. [2018-11-18 16:58:06,851 INFO L276 IsEmpty]: Start isEmpty. Operand 3139 states and 3513 transitions. [2018-11-18 16:58:06,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-18 16:58:06,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:06,933 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 309 proven. 5 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-18 16:58:07,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:07,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3526 states to 3153 states and 3526 transitions. [2018-11-18 16:58:07,389 INFO L276 IsEmpty]: Start isEmpty. Operand 3153 states and 3526 transitions. [2018-11-18 16:58:07,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 16:58:07,391 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:07,469 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 16:58:08,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:08,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3192 states and 3563 transitions. [2018-11-18 16:58:08,012 INFO L276 IsEmpty]: Start isEmpty. Operand 3192 states and 3563 transitions. [2018-11-18 16:58:08,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-18 16:58:08,014 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:08,074 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 242 proven. 26 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-18 16:58:08,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:08,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3193 states and 3563 transitions. [2018-11-18 16:58:08,168 INFO L276 IsEmpty]: Start isEmpty. Operand 3193 states and 3563 transitions. [2018-11-18 16:58:08,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-18 16:58:08,170 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:08,452 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 16:58:12,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:12,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3617 states to 3236 states and 3617 transitions. [2018-11-18 16:58:12,741 INFO L276 IsEmpty]: Start isEmpty. Operand 3236 states and 3617 transitions. [2018-11-18 16:58:12,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-18 16:58:12,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:12,833 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 16:58:13,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:13,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3633 states to 3252 states and 3633 transitions. [2018-11-18 16:58:13,952 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 3633 transitions. [2018-11-18 16:58:13,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-18 16:58:13,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:14,099 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 381 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-11-18 16:58:14,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:14,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3267 states and 3652 transitions. [2018-11-18 16:58:14,932 INFO L276 IsEmpty]: Start isEmpty. Operand 3267 states and 3652 transitions. [2018-11-18 16:58:14,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-18 16:58:14,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:14,982 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 381 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-11-18 16:58:15,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:15,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3664 states to 3280 states and 3664 transitions. [2018-11-18 16:58:15,229 INFO L276 IsEmpty]: Start isEmpty. Operand 3280 states and 3664 transitions. [2018-11-18 16:58:15,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-11-18 16:58:15,231 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:15,303 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 212 proven. 8 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-18 16:58:16,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:16,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3693 states to 3310 states and 3693 transitions. [2018-11-18 16:58:16,018 INFO L276 IsEmpty]: Start isEmpty. Operand 3310 states and 3693 transitions. [2018-11-18 16:58:16,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-11-18 16:58:16,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:16,089 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 301 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-11-18 16:58:17,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:17,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3723 states to 3339 states and 3723 transitions. [2018-11-18 16:58:17,542 INFO L276 IsEmpty]: Start isEmpty. Operand 3339 states and 3723 transitions. [2018-11-18 16:58:17,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-11-18 16:58:17,544 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:17,596 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 301 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-11-18 16:58:18,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:18,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3735 states to 3352 states and 3735 transitions. [2018-11-18 16:58:18,045 INFO L276 IsEmpty]: Start isEmpty. Operand 3352 states and 3735 transitions. [2018-11-18 16:58:18,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-11-18 16:58:18,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:18,118 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2018-11-18 16:58:18,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:18,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3752 states to 3369 states and 3752 transitions. [2018-11-18 16:58:18,674 INFO L276 IsEmpty]: Start isEmpty. Operand 3369 states and 3752 transitions. [2018-11-18 16:58:18,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-18 16:58:18,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:18,741 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-18 16:58:20,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:20,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3810 states to 3423 states and 3810 transitions. [2018-11-18 16:58:20,954 INFO L276 IsEmpty]: Start isEmpty. Operand 3423 states and 3810 transitions. [2018-11-18 16:58:20,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-18 16:58:20,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:21,043 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-18 16:58:21,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:21,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3824 states to 3438 states and 3824 transitions. [2018-11-18 16:58:21,128 INFO L276 IsEmpty]: Start isEmpty. Operand 3438 states and 3824 transitions. [2018-11-18 16:58:21,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-18 16:58:21,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:21,194 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-18 16:58:22,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:22,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3851 states to 3465 states and 3851 transitions. [2018-11-18 16:58:22,052 INFO L276 IsEmpty]: Start isEmpty. Operand 3465 states and 3851 transitions. [2018-11-18 16:58:22,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-18 16:58:22,054 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:22,128 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-18 16:58:22,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:22,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3868 states to 3482 states and 3868 transitions. [2018-11-18 16:58:22,564 INFO L276 IsEmpty]: Start isEmpty. Operand 3482 states and 3868 transitions. [2018-11-18 16:58:22,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-18 16:58:22,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:22,630 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-18 16:58:22,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:22,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3873 states to 3487 states and 3873 transitions. [2018-11-18 16:58:22,677 INFO L276 IsEmpty]: Start isEmpty. Operand 3487 states and 3873 transitions. [2018-11-18 16:58:22,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-11-18 16:58:22,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:22,727 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 406 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 16:58:23,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:23,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3917 states to 3526 states and 3917 transitions. [2018-11-18 16:58:23,867 INFO L276 IsEmpty]: Start isEmpty. Operand 3526 states and 3917 transitions. [2018-11-18 16:58:23,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-11-18 16:58:23,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:23,951 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 16:58:24,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:24,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3925 states to 3531 states and 3925 transitions. [2018-11-18 16:58:24,469 INFO L276 IsEmpty]: Start isEmpty. Operand 3531 states and 3925 transitions. [2018-11-18 16:58:24,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-11-18 16:58:24,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:24,552 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 16:58:27,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:27,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3995 states to 3597 states and 3995 transitions. [2018-11-18 16:58:27,734 INFO L276 IsEmpty]: Start isEmpty. Operand 3597 states and 3995 transitions. [2018-11-18 16:58:27,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-11-18 16:58:27,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:27,810 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 16:58:28,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:28,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4008 states to 3611 states and 4008 transitions. [2018-11-18 16:58:28,281 INFO L276 IsEmpty]: Start isEmpty. Operand 3611 states and 4008 transitions. [2018-11-18 16:58:28,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-11-18 16:58:28,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:28,382 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 16:58:29,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:29,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4024 states to 3627 states and 4024 transitions. [2018-11-18 16:58:29,306 INFO L276 IsEmpty]: Start isEmpty. Operand 3627 states and 4024 transitions. [2018-11-18 16:58:29,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-18 16:58:29,308 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:29,378 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 414 proven. 5 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 16:58:29,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:29,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4097 states to 3700 states and 4097 transitions. [2018-11-18 16:58:29,902 INFO L276 IsEmpty]: Start isEmpty. Operand 3700 states and 4097 transitions. [2018-11-18 16:58:29,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-18 16:58:29,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:29,975 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 414 proven. 5 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 16:58:31,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:31,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4117 states to 3719 states and 4117 transitions. [2018-11-18 16:58:31,124 INFO L276 IsEmpty]: Start isEmpty. Operand 3719 states and 4117 transitions. [2018-11-18 16:58:31,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-18 16:58:31,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:31,196 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 414 proven. 5 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 16:58:31,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:31,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4117 states to 3720 states and 4117 transitions. [2018-11-18 16:58:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 3720 states and 4117 transitions. [2018-11-18 16:58:31,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-18 16:58:31,698 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:31,768 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 414 proven. 5 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 16:58:32,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:32,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4130 states to 3734 states and 4130 transitions. [2018-11-18 16:58:32,279 INFO L276 IsEmpty]: Start isEmpty. Operand 3734 states and 4130 transitions. [2018-11-18 16:58:32,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-18 16:58:32,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:32,351 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 414 proven. 5 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 16:58:32,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:32,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4132 states to 3737 states and 4132 transitions. [2018-11-18 16:58:32,613 INFO L276 IsEmpty]: Start isEmpty. Operand 3737 states and 4132 transitions. [2018-11-18 16:58:32,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 16:58:32,615 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:32,809 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 370 proven. 5 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-18 16:58:33,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:33,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4150 states to 3751 states and 4150 transitions. [2018-11-18 16:58:33,795 INFO L276 IsEmpty]: Start isEmpty. Operand 3751 states and 4150 transitions. [2018-11-18 16:58:33,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 16:58:33,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:34,000 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 370 proven. 5 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-18 16:58:34,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:34,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4155 states to 3756 states and 4155 transitions. [2018-11-18 16:58:34,520 INFO L276 IsEmpty]: Start isEmpty. Operand 3756 states and 4155 transitions. [2018-11-18 16:58:34,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 16:58:34,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:34,583 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-11-18 16:58:35,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:35,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4223 states to 3825 states and 4223 transitions. [2018-11-18 16:58:35,660 INFO L276 IsEmpty]: Start isEmpty. Operand 3825 states and 4223 transitions. [2018-11-18 16:58:35,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 16:58:35,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:35,724 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-11-18 16:58:36,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:36,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4274 states to 3877 states and 4274 transitions. [2018-11-18 16:58:36,044 INFO L276 IsEmpty]: Start isEmpty. Operand 3877 states and 4274 transitions. [2018-11-18 16:58:36,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 16:58:36,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:36,107 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-11-18 16:58:36,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:36,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4282 states to 3886 states and 4282 transitions. [2018-11-18 16:58:36,388 INFO L276 IsEmpty]: Start isEmpty. Operand 3886 states and 4282 transitions. [2018-11-18 16:58:36,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-11-18 16:58:36,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:36,451 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-11-18 16:58:37,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:37,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4295 states to 3900 states and 4295 transitions. [2018-11-18 16:58:37,042 INFO L276 IsEmpty]: Start isEmpty. Operand 3900 states and 4295 transitions. [2018-11-18 16:58:37,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-11-18 16:58:37,044 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:37,159 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 375 proven. 7 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-11-18 16:58:39,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:39,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4325 states to 3913 states and 4325 transitions. [2018-11-18 16:58:39,042 INFO L276 IsEmpty]: Start isEmpty. Operand 3913 states and 4325 transitions. [2018-11-18 16:58:39,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-11-18 16:58:39,044 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:39,157 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 375 proven. 7 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-11-18 16:58:39,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:39,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4330 states to 3918 states and 4330 transitions. [2018-11-18 16:58:39,636 INFO L276 IsEmpty]: Start isEmpty. Operand 3918 states and 4330 transitions. [2018-11-18 16:58:39,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-11-18 16:58:39,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:39,747 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 375 proven. 7 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-11-18 16:58:40,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:40,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4336 states to 3923 states and 4336 transitions. [2018-11-18 16:58:40,279 INFO L276 IsEmpty]: Start isEmpty. Operand 3923 states and 4336 transitions. [2018-11-18 16:58:40,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-11-18 16:58:40,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:40,393 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 375 proven. 7 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-11-18 16:58:40,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:40,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4341 states to 3928 states and 4341 transitions. [2018-11-18 16:58:40,874 INFO L276 IsEmpty]: Start isEmpty. Operand 3928 states and 4341 transitions. [2018-11-18 16:58:40,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-11-18 16:58:40,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:41,020 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 375 proven. 7 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-11-18 16:58:41,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:41,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4343 states to 3930 states and 4343 transitions. [2018-11-18 16:58:41,365 INFO L276 IsEmpty]: Start isEmpty. Operand 3930 states and 4343 transitions. [2018-11-18 16:58:41,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-11-18 16:58:41,367 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:41,481 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 375 proven. 7 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-11-18 16:58:42,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:42,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 3935 states and 4349 transitions. [2018-11-18 16:58:42,030 INFO L276 IsEmpty]: Start isEmpty. Operand 3935 states and 4349 transitions. [2018-11-18 16:58:42,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-11-18 16:58:42,032 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:42,701 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 386 proven. 42 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-11-18 16:58:45,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:45,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4371 states to 3954 states and 4371 transitions. [2018-11-18 16:58:45,265 INFO L276 IsEmpty]: Start isEmpty. Operand 3954 states and 4371 transitions. [2018-11-18 16:58:45,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-18 16:58:45,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:45,327 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-18 16:58:46,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:46,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4448 states to 4030 states and 4448 transitions. [2018-11-18 16:58:46,129 INFO L276 IsEmpty]: Start isEmpty. Operand 4030 states and 4448 transitions. [2018-11-18 16:58:46,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-18 16:58:46,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:46,192 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-18 16:58:47,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:47,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4492 states to 4074 states and 4492 transitions. [2018-11-18 16:58:47,545 INFO L276 IsEmpty]: Start isEmpty. Operand 4074 states and 4492 transitions. [2018-11-18 16:58:47,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-18 16:58:47,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:47,607 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-18 16:58:48,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:48,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4505 states to 4088 states and 4505 transitions. [2018-11-18 16:58:48,118 INFO L276 IsEmpty]: Start isEmpty. Operand 4088 states and 4505 transitions. [2018-11-18 16:58:48,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-11-18 16:58:48,120 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:48,200 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 574 proven. 17 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-18 16:58:50,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:50,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4523 states to 4103 states and 4523 transitions. [2018-11-18 16:58:50,175 INFO L276 IsEmpty]: Start isEmpty. Operand 4103 states and 4523 transitions. [2018-11-18 16:58:50,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-11-18 16:58:50,178 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:50,391 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 574 proven. 17 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-18 16:58:51,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:51,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4539 states to 4119 states and 4539 transitions. [2018-11-18 16:58:51,654 INFO L276 IsEmpty]: Start isEmpty. Operand 4119 states and 4539 transitions. [2018-11-18 16:58:51,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-11-18 16:58:51,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:51,737 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 574 proven. 17 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-18 16:58:52,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:52,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4549 states to 4128 states and 4549 transitions. [2018-11-18 16:58:52,088 INFO L276 IsEmpty]: Start isEmpty. Operand 4128 states and 4549 transitions. [2018-11-18 16:58:52,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-11-18 16:58:52,090 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:52,143 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 484 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-18 16:58:53,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:53,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4565 states to 4143 states and 4565 transitions. [2018-11-18 16:58:53,098 INFO L276 IsEmpty]: Start isEmpty. Operand 4143 states and 4565 transitions. [2018-11-18 16:58:53,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-11-18 16:58:53,100 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:53,153 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 484 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-18 16:58:53,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:53,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4573 states to 4152 states and 4573 transitions. [2018-11-18 16:58:53,661 INFO L276 IsEmpty]: Start isEmpty. Operand 4152 states and 4573 transitions. [2018-11-18 16:58:53,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-11-18 16:58:53,663 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:53,716 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 484 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-18 16:58:54,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:54,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4589 states to 4167 states and 4589 transitions. [2018-11-18 16:58:54,782 INFO L276 IsEmpty]: Start isEmpty. Operand 4167 states and 4589 transitions. [2018-11-18 16:58:54,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-11-18 16:58:54,784 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:54,837 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 484 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-18 16:58:55,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:55,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4597 states to 4176 states and 4597 transitions. [2018-11-18 16:58:55,339 INFO L276 IsEmpty]: Start isEmpty. Operand 4176 states and 4597 transitions. [2018-11-18 16:58:55,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-11-18 16:58:55,341 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:55,396 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 484 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-18 16:58:55,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:58:55,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4605 states to 4185 states and 4605 transitions. [2018-11-18 16:58:55,899 INFO L276 IsEmpty]: Start isEmpty. Operand 4185 states and 4605 transitions. [2018-11-18 16:58:55,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-11-18 16:58:55,901 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:58:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:58:56,451 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 255 proven. 170 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-11-18 16:59:00,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:00,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4697 states to 4264 states and 4697 transitions. [2018-11-18 16:59:00,543 INFO L276 IsEmpty]: Start isEmpty. Operand 4264 states and 4697 transitions. [2018-11-18 16:59:00,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-11-18 16:59:00,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:00,844 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 498 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-18 16:59:01,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:01,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4725 states to 4289 states and 4725 transitions. [2018-11-18 16:59:01,667 INFO L276 IsEmpty]: Start isEmpty. Operand 4289 states and 4725 transitions. [2018-11-18 16:59:01,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-11-18 16:59:01,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:01,746 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 508 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-18 16:59:02,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:02,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4755 states to 4318 states and 4755 transitions. [2018-11-18 16:59:02,055 INFO L276 IsEmpty]: Start isEmpty. Operand 4318 states and 4755 transitions. [2018-11-18 16:59:02,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-11-18 16:59:02,058 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:02,134 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 508 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-18 16:59:02,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:02,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4755 states to 4319 states and 4755 transitions. [2018-11-18 16:59:02,381 INFO L276 IsEmpty]: Start isEmpty. Operand 4319 states and 4755 transitions. [2018-11-18 16:59:02,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-11-18 16:59:02,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:02,518 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 544 proven. 7 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-18 16:59:03,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:03,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4805 states to 4361 states and 4805 transitions. [2018-11-18 16:59:03,921 INFO L276 IsEmpty]: Start isEmpty. Operand 4361 states and 4805 transitions. [2018-11-18 16:59:03,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-11-18 16:59:03,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:04,254 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 545 proven. 5 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-18 16:59:06,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:07,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4398 states and 4846 transitions. [2018-11-18 16:59:07,000 INFO L276 IsEmpty]: Start isEmpty. Operand 4398 states and 4846 transitions. [2018-11-18 16:59:07,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-11-18 16:59:07,003 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:07,329 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 545 proven. 5 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-18 16:59:07,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:07,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4863 states to 4414 states and 4863 transitions. [2018-11-18 16:59:07,894 INFO L276 IsEmpty]: Start isEmpty. Operand 4414 states and 4863 transitions. [2018-11-18 16:59:07,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-11-18 16:59:07,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:08,222 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 545 proven. 5 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-18 16:59:09,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:09,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4426 states and 4877 transitions. [2018-11-18 16:59:09,214 INFO L276 IsEmpty]: Start isEmpty. Operand 4426 states and 4877 transitions. [2018-11-18 16:59:09,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-11-18 16:59:09,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:09,544 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 545 proven. 5 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-18 16:59:09,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:09,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4883 states to 4431 states and 4883 transitions. [2018-11-18 16:59:09,766 INFO L276 IsEmpty]: Start isEmpty. Operand 4431 states and 4883 transitions. [2018-11-18 16:59:09,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-11-18 16:59:09,768 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:09,845 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 400 proven. 1 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-11-18 16:59:10,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:10,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4899 states to 4448 states and 4899 transitions. [2018-11-18 16:59:10,704 INFO L276 IsEmpty]: Start isEmpty. Operand 4448 states and 4899 transitions. [2018-11-18 16:59:10,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2018-11-18 16:59:10,706 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:10,780 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 567 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-11-18 16:59:15,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:15,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4924 states to 4464 states and 4924 transitions. [2018-11-18 16:59:15,113 INFO L276 IsEmpty]: Start isEmpty. Operand 4464 states and 4924 transitions. [2018-11-18 16:59:15,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2018-11-18 16:59:15,116 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:15,190 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 567 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-11-18 16:59:17,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:17,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4953 states to 4492 states and 4953 transitions. [2018-11-18 16:59:17,433 INFO L276 IsEmpty]: Start isEmpty. Operand 4492 states and 4953 transitions. [2018-11-18 16:59:17,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2018-11-18 16:59:17,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:17,510 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 567 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-11-18 16:59:19,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:19,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4979 states to 4515 states and 4979 transitions. [2018-11-18 16:59:19,581 INFO L276 IsEmpty]: Start isEmpty. Operand 4515 states and 4979 transitions. [2018-11-18 16:59:19,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2018-11-18 16:59:19,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:19,657 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 567 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-11-18 16:59:20,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:20,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4998 states to 4533 states and 4998 transitions. [2018-11-18 16:59:20,280 INFO L276 IsEmpty]: Start isEmpty. Operand 4533 states and 4998 transitions. [2018-11-18 16:59:20,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2018-11-18 16:59:20,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:20,357 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 567 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-11-18 16:59:21,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:21,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5010 states to 4546 states and 5010 transitions. [2018-11-18 16:59:21,078 INFO L276 IsEmpty]: Start isEmpty. Operand 4546 states and 5010 transitions. [2018-11-18 16:59:21,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-11-18 16:59:21,080 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:21,155 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 638 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-18 16:59:21,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:21,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5020 states to 4555 states and 5020 transitions. [2018-11-18 16:59:21,483 INFO L276 IsEmpty]: Start isEmpty. Operand 4555 states and 5020 transitions. [2018-11-18 16:59:21,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-11-18 16:59:21,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:21,702 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 638 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-18 16:59:22,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:22,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5025 states to 4560 states and 5025 transitions. [2018-11-18 16:59:22,265 INFO L276 IsEmpty]: Start isEmpty. Operand 4560 states and 5025 transitions. [2018-11-18 16:59:22,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-11-18 16:59:22,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:22,403 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 643 proven. 7 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-11-18 16:59:23,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:23,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5111 states to 4640 states and 5111 transitions. [2018-11-18 16:59:23,845 INFO L276 IsEmpty]: Start isEmpty. Operand 4640 states and 5111 transitions. [2018-11-18 16:59:23,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-11-18 16:59:23,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:23,982 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 643 proven. 7 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-11-18 16:59:25,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:25,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5123 states to 4651 states and 5123 transitions. [2018-11-18 16:59:25,205 INFO L276 IsEmpty]: Start isEmpty. Operand 4651 states and 5123 transitions. [2018-11-18 16:59:25,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2018-11-18 16:59:25,207 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:25,358 INFO L134 CoverageAnalysis]: Checked inductivity of 833 backedges. 536 proven. 14 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2018-11-18 16:59:25,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:25,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5124 states to 4653 states and 5124 transitions. [2018-11-18 16:59:25,473 INFO L276 IsEmpty]: Start isEmpty. Operand 4653 states and 5124 transitions. [2018-11-18 16:59:25,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2018-11-18 16:59:25,476 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:25,586 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 549 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2018-11-18 16:59:27,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:27,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5159 states to 4685 states and 5159 transitions. [2018-11-18 16:59:27,696 INFO L276 IsEmpty]: Start isEmpty. Operand 4685 states and 5159 transitions. [2018-11-18 16:59:27,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2018-11-18 16:59:27,699 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:27,803 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2018-11-18 16:59:28,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:28,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5167 states to 4690 states and 5167 transitions. [2018-11-18 16:59:28,424 INFO L276 IsEmpty]: Start isEmpty. Operand 4690 states and 5167 transitions. [2018-11-18 16:59:28,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2018-11-18 16:59:28,427 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:28,675 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2018-11-18 16:59:30,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:30,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5195 states to 4717 states and 5195 transitions. [2018-11-18 16:59:30,314 INFO L276 IsEmpty]: Start isEmpty. Operand 4717 states and 5195 transitions. [2018-11-18 16:59:30,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2018-11-18 16:59:30,317 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:30,732 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 335 proven. 379 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-11-18 16:59:34,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:34,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5242 states to 4756 states and 5242 transitions. [2018-11-18 16:59:34,277 INFO L276 IsEmpty]: Start isEmpty. Operand 4756 states and 5242 transitions. [2018-11-18 16:59:34,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2018-11-18 16:59:34,280 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:34,684 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 335 proven. 379 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-11-18 16:59:36,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:36,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5261 states to 4777 states and 5261 transitions. [2018-11-18 16:59:36,636 INFO L276 IsEmpty]: Start isEmpty. Operand 4777 states and 5261 transitions. [2018-11-18 16:59:36,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2018-11-18 16:59:36,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:37,188 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 335 proven. 379 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-11-18 16:59:37,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:37,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5266 states to 4782 states and 5266 transitions. [2018-11-18 16:59:37,686 INFO L276 IsEmpty]: Start isEmpty. Operand 4782 states and 5266 transitions. [2018-11-18 16:59:37,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2018-11-18 16:59:37,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:38,096 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 335 proven. 379 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-11-18 16:59:38,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:38,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5273 states to 4789 states and 5273 transitions. [2018-11-18 16:59:38,629 INFO L276 IsEmpty]: Start isEmpty. Operand 4789 states and 5273 transitions. [2018-11-18 16:59:38,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2018-11-18 16:59:38,632 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:39,022 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 335 proven. 379 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-11-18 16:59:39,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:39,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5278 states to 4794 states and 5278 transitions. [2018-11-18 16:59:39,119 INFO L276 IsEmpty]: Start isEmpty. Operand 4794 states and 5278 transitions. [2018-11-18 16:59:39,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2018-11-18 16:59:39,122 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:39,526 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 335 proven. 379 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-11-18 16:59:40,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:40,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 4810 states and 5293 transitions. [2018-11-18 16:59:40,187 INFO L276 IsEmpty]: Start isEmpty. Operand 4810 states and 5293 transitions. [2018-11-18 16:59:40,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2018-11-18 16:59:40,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:40,597 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 335 proven. 379 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-11-18 16:59:41,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:41,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5308 states to 4826 states and 5308 transitions. [2018-11-18 16:59:41,228 INFO L276 IsEmpty]: Start isEmpty. Operand 4826 states and 5308 transitions. [2018-11-18 16:59:41,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2018-11-18 16:59:41,230 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:41,616 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 335 proven. 379 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-11-18 16:59:42,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:42,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5322 states to 4840 states and 5322 transitions. [2018-11-18 16:59:42,270 INFO L276 IsEmpty]: Start isEmpty. Operand 4840 states and 5322 transitions. [2018-11-18 16:59:42,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-11-18 16:59:42,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:43,710 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-11-18 16:59:44,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 522 proven. 232 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2018-11-18 16:59:52,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:52,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5439 states to 4929 states and 5439 transitions. [2018-11-18 16:59:52,956 INFO L276 IsEmpty]: Start isEmpty. Operand 4929 states and 5439 transitions. [2018-11-18 16:59:52,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-11-18 16:59:52,959 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1013 backedges. 522 proven. 232 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2018-11-18 16:59:54,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:59:54,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5449 states to 4939 states and 5449 transitions. [2018-11-18 16:59:54,665 INFO L276 IsEmpty]: Start isEmpty. Operand 4939 states and 5449 transitions. [2018-11-18 16:59:54,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2018-11-18 16:59:54,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:59:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:56,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 822 proven. 5 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-11-18 17:00:02,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:02,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5493 states to 4980 states and 5493 transitions. [2018-11-18 17:00:02,987 INFO L276 IsEmpty]: Start isEmpty. Operand 4980 states and 5493 transitions. [2018-11-18 17:00:02,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2018-11-18 17:00:02,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:03,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 553 proven. 0 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2018-11-18 17:00:03,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:03,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5507 states to 4995 states and 5507 transitions. [2018-11-18 17:00:03,829 INFO L276 IsEmpty]: Start isEmpty. Operand 4995 states and 5507 transitions. [2018-11-18 17:00:03,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2018-11-18 17:00:03,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:04,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1381 backedges. 415 proven. 588 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2018-11-18 17:00:06,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:06,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5580 states to 5067 states and 5580 transitions. [2018-11-18 17:00:06,734 INFO L276 IsEmpty]: Start isEmpty. Operand 5067 states and 5580 transitions. [2018-11-18 17:00:06,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2018-11-18 17:00:06,737 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:07,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1381 backedges. 415 proven. 588 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2018-11-18 17:00:08,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:08,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5653 states to 5140 states and 5653 transitions. [2018-11-18 17:00:08,268 INFO L276 IsEmpty]: Start isEmpty. Operand 5140 states and 5653 transitions. [2018-11-18 17:00:08,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2018-11-18 17:00:08,271 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:08,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1381 backedges. 415 proven. 588 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2018-11-18 17:00:09,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:09,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5658 states to 5145 states and 5658 transitions. [2018-11-18 17:00:09,591 INFO L276 IsEmpty]: Start isEmpty. Operand 5145 states and 5658 transitions. [2018-11-18 17:00:09,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2018-11-18 17:00:09,594 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:00:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:11,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1436 backedges. 732 proven. 445 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2018-11-18 17:00:13,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:00:13,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4715 states to 4279 states and 4715 transitions. [2018-11-18 17:00:13,412 INFO L276 IsEmpty]: Start isEmpty. Operand 4279 states and 4715 transitions. [2018-11-18 17:00:13,414 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:00:13,414 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 225 iterations. [2018-11-18 17:00:13,421 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 17:00:13,627 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2018-11-18 17:00:13,748 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2018-11-18 17:00:13,972 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 47 [2018-11-18 17:00:14,200 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 47 [2018-11-18 17:00:14,402 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 46 [2018-11-18 17:00:14,508 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 22 [2018-11-18 17:00:14,620 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 22 [2018-11-18 17:00:14,783 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 22 [2018-11-18 17:00:14,995 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 47 [2018-11-18 17:00:15,209 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 47 [2018-11-18 17:00:15,375 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 22 [2018-11-18 17:00:15,641 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 22 [2018-11-18 17:00:15,742 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 22 [2018-11-18 17:00:15,874 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 22 [2018-11-18 17:00:16,116 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 46 [2018-11-18 17:00:16,289 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 22 [2018-11-18 17:00:16,448 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2018-11-18 17:00:16,739 WARN L180 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 22 [2018-11-18 17:00:16,893 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 22 [2018-11-18 17:00:17,105 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 47 [2018-11-18 17:00:17,214 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 22 [2018-11-18 17:00:17,318 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 22 [2018-11-18 17:00:17,421 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 22 [2018-11-18 17:00:17,677 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 55 [2018-11-18 17:00:17,812 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 22 [2018-11-18 17:00:17,972 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2018-11-18 17:00:18,105 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 22 [2018-11-18 17:00:18,311 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 46 [2018-11-18 17:00:18,612 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 46 [2018-11-18 17:00:18,944 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 46 [2018-11-18 17:00:19,056 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 22 [2018-11-18 17:00:19,187 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 22 [2018-11-18 17:00:19,392 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 46 [2018-11-18 17:00:19,533 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 22 [2018-11-18 17:00:19,673 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 22 [2018-11-18 17:00:19,909 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 53 [2018-11-18 17:00:20,200 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 47 [2018-11-18 17:00:20,439 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 22 [2018-11-18 17:00:20,602 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2018-11-18 17:00:20,752 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2018-11-18 17:00:20,863 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 22 [2018-11-18 17:00:21,123 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 47 [2018-11-18 17:00:21,227 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 22 [2018-11-18 17:00:21,353 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 22 [2018-11-18 17:00:21,764 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 46 [2018-11-18 17:00:22,005 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 46 [2018-11-18 17:00:22,247 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2018-11-18 17:00:22,356 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 22 [2018-11-18 17:00:22,488 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 22 [2018-11-18 17:00:22,619 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 22 [2018-11-18 17:00:22,776 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2018-11-18 17:00:22,968 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2018-11-18 17:00:23,190 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 22 [2018-11-18 17:00:23,345 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 22 [2018-11-18 17:00:23,641 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 46 [2018-11-18 17:00:24,024 WARN L180 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 46 [2018-11-18 17:00:24,177 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 22 [2018-11-18 17:00:24,323 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 22 [2018-11-18 17:00:24,555 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 53 [2018-11-18 17:00:24,689 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 22 [2018-11-18 17:00:24,892 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 22 [2018-11-18 17:00:24,893 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:00:24,895 INFO L579 CodeCheckObserver]: Invariant with dag size 22 [2018-11-18 17:00:24,900 INFO L579 CodeCheckObserver]: Invariant with dag size 22 [2018-11-18 17:00:24,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:00:24 ImpRootNode [2018-11-18 17:00:24,901 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:00:24,901 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:00:24,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:00:24,901 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:00:24,902 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:56:06" (3/4) ... [2018-11-18 17:00:24,907 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:00:24,923 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-11-18 17:00:24,924 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 17:00:24,925 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-18 17:00:24,926 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 17:00:25,019 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5c071fa8-23b6-4b01-81f7-ad16a766cf22/bin-2019/ukojak/witness.graphml [2018-11-18 17:00:25,019 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:00:25,020 INFO L168 Benchmark]: Toolchain (without parser) took 263045.76 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.7 GB). Free memory was 954.3 MB in the beginning and 3.7 GB in the end (delta: -2.7 GB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-18 17:00:25,020 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:00:25,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 470.74 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 924.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:25,021 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 924.8 MB in the beginning and 1.2 GB in the end (delta: -230.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:25,021 INFO L168 Benchmark]: Boogie Preprocessor took 45.00 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:25,021 INFO L168 Benchmark]: RCFGBuilder took 3426.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 917.6 MB in the end (delta: 234.7 MB). Peak memory consumption was 234.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:25,022 INFO L168 Benchmark]: CodeCheck took 258861.18 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 917.6 MB in the beginning and 3.7 GB in the end (delta: -2.8 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. [2018-11-18 17:00:25,022 INFO L168 Benchmark]: Witness Printer took 118.12 ms. Allocated memory is still 4.8 GB. Free memory was 3.7 GB in the beginning and 3.7 GB in the end (delta: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:25,024 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, 228 locations, 1 error locations. SAFE Result, 247.3s OverallTime, 225 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 31123368 SDtfs, -1273981274 SDslu, 248986816 SDs, 0 SdLazy, 547922428 SolverSat, -355363742 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1879.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 359849 GetRequests, 353422 SyntacticMatches, 4409 SemanticMatches, 2018 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3127143 ImplicationChecksByTransitivity, 207.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 25.1s InterpolantComputationTime, 56423 NumberOfCodeBlocks, 56423 NumberOfCodeBlocksAsserted, 224 NumberOfCheckSat, 56199 ConstructedInterpolants, 0 QuantifiedInterpolants, 50504771 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 224 InterpolantComputations, 147 PerfectInterpolantSequences, 76340/82965 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: 466]: 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: (((!(a19 == 1) && a28 == 7) || a17 == 8) || (a11 == 1 && !(a17 == 9))) || (!(a11 == 1) && !(a28 == 9)) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((a11 == 1 && !(a17 == 9)) || a17 == 8) || (!(a11 == 1) && !(a28 == 9))) || (!(a19 == 1) && a28 == 7) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 470.74 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 924.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 121.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 924.8 MB in the beginning and 1.2 GB in the end (delta: -230.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.00 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3426.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 917.6 MB in the end (delta: 234.7 MB). Peak memory consumption was 234.7 MB. Max. memory is 11.5 GB. * CodeCheck took 258861.18 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 917.6 MB in the beginning and 3.7 GB in the end (delta: -2.8 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. * Witness Printer took 118.12 ms. Allocated memory is still 4.8 GB. Free memory was 3.7 GB in the beginning and 3.7 GB in the end (delta: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...