./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label18_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_52ea16ab-49ef-4f43-98af-d0839bbe8078/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_52ea16ab-49ef-4f43-98af-d0839bbe8078/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_52ea16ab-49ef-4f43-98af-d0839bbe8078/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_52ea16ab-49ef-4f43-98af-d0839bbe8078/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label18_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_52ea16ab-49ef-4f43-98af-d0839bbe8078/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_52ea16ab-49ef-4f43-98af-d0839bbe8078/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 0b1eb39f0e741b958206d9dc54aeed5270272676 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:35:26,986 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:35:26,987 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:35:26,993 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:35:26,993 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:35:26,994 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:35:26,995 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:35:26,996 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:35:26,997 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:35:26,998 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:35:26,998 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:35:26,998 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:35:26,999 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:35:27,000 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:35:27,001 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:35:27,002 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:35:27,002 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:35:27,004 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:35:27,005 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:35:27,006 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:35:27,007 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:35:27,008 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:35:27,010 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:35:27,010 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:35:27,010 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:35:27,010 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:35:27,012 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:35:27,012 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:35:27,013 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:35:27,014 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:35:27,014 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:35:27,015 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:35:27,015 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:35:27,015 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:35:27,015 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:35:27,016 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:35:27,016 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_52ea16ab-49ef-4f43-98af-d0839bbe8078/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:35:27,027 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:35:27,027 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:35:27,028 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:35:27,028 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:35:27,028 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:35:27,028 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:35:27,029 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:35:27,029 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:35:27,029 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:35:27,029 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:35:27,029 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:35:27,029 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:35:27,030 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:35:27,030 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:35:27,030 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:35:27,030 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:35:27,030 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:35:27,030 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:35:27,030 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:35:27,031 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:35:27,033 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:35:27,033 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:35:27,033 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:35:27,033 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:35:27,033 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:35:27,033 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:35:27,033 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:35:27,034 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:35:27,034 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:35:27,034 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_52ea16ab-49ef-4f43-98af-d0839bbe8078/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 -> 0b1eb39f0e741b958206d9dc54aeed5270272676 [2018-11-18 11:35:27,058 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:35:27,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:35:27,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:35:27,071 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:35:27,071 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:35:27,071 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_52ea16ab-49ef-4f43-98af-d0839bbe8078/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label18_true-unreach-call_false-termination.c [2018-11-18 11:35:27,113 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52ea16ab-49ef-4f43-98af-d0839bbe8078/bin-2019/ukojak/data/0e18ed384/55b4064ec2624deca4300a7e66511bec/FLAG6211b7a45 [2018-11-18 11:35:27,562 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:35:27,562 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_52ea16ab-49ef-4f43-98af-d0839bbe8078/sv-benchmarks/c/eca-rers2012/Problem02_label18_true-unreach-call_false-termination.c [2018-11-18 11:35:27,579 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52ea16ab-49ef-4f43-98af-d0839bbe8078/bin-2019/ukojak/data/0e18ed384/55b4064ec2624deca4300a7e66511bec/FLAG6211b7a45 [2018-11-18 11:35:27,590 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_52ea16ab-49ef-4f43-98af-d0839bbe8078/bin-2019/ukojak/data/0e18ed384/55b4064ec2624deca4300a7e66511bec [2018-11-18 11:35:27,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:35:27,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:35:27,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:35:27,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:35:27,597 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:35:27,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:35:27" (1/1) ... [2018-11-18 11:35:27,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3275144b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:35:27, skipping insertion in model container [2018-11-18 11:35:27,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:35:27" (1/1) ... [2018-11-18 11:35:27,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:35:27,645 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:35:27,854 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:35:27,856 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:35:27,916 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:35:27,927 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:35:27,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:35:27 WrapperNode [2018-11-18 11:35:27,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:35:27,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:35:27,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:35:27,928 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:35:27,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:35:27" (1/1) ... [2018-11-18 11:35:27,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:35:27" (1/1) ... [2018-11-18 11:35:28,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:35:28,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:35:28,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:35:28,029 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:35:28,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:35:27" (1/1) ... [2018-11-18 11:35:28,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:35:27" (1/1) ... [2018-11-18 11:35:28,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:35:27" (1/1) ... [2018-11-18 11:35:28,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:35:27" (1/1) ... [2018-11-18 11:35:28,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:35:27" (1/1) ... [2018-11-18 11:35:28,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:35:27" (1/1) ... [2018-11-18 11:35:28,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:35:27" (1/1) ... [2018-11-18 11:35:28,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:35:28,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:35:28,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:35:28,071 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:35:28,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:35:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52ea16ab-49ef-4f43-98af-d0839bbe8078/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 11:35:28,111 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:35:28,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:35:28,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:35:29,362 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:35:29,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:35:29 BoogieIcfgContainer [2018-11-18 11:35:29,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:35:29,363 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:35:29,363 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:35:29,369 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:35:29,370 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:35:29" (1/1) ... [2018-11-18 11:35:29,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:35:29,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:29,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 11:35:29,406 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 11:35:29,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 11:35:29,410 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:29,633 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 11:35:30,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:30,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 165 states and 242 transitions. [2018-11-18 11:35:30,097 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 242 transitions. [2018-11-18 11:35:30,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 11:35:30,101 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:30,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:35:30,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:30,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 166 states and 245 transitions. [2018-11-18 11:35:30,293 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 245 transitions. [2018-11-18 11:35:30,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 11:35:30,295 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:30,352 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:30,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:30,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 184 states and 271 transitions. [2018-11-18 11:35:30,464 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 271 transitions. [2018-11-18 11:35:30,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 11:35:30,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:30,511 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:30,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:30,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 203 states and 296 transitions. [2018-11-18 11:35:30,742 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 296 transitions. [2018-11-18 11:35:30,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 11:35:30,747 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:31,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:31,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 222 states and 324 transitions. [2018-11-18 11:35:31,173 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 324 transitions. [2018-11-18 11:35:31,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 11:35:31,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:31,275 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:35:31,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:31,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 246 states and 361 transitions. [2018-11-18 11:35:31,808 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 361 transitions. [2018-11-18 11:35:31,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 11:35:31,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:31,835 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:35:31,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:31,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 250 states and 367 transitions. [2018-11-18 11:35:31,937 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 367 transitions. [2018-11-18 11:35:31,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 11:35:31,938 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:31,964 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:35:32,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:32,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 264 states and 383 transitions. [2018-11-18 11:35:32,205 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 383 transitions. [2018-11-18 11:35:32,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 11:35:32,206 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:32,228 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:32,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:32,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 269 states and 389 transitions. [2018-11-18 11:35:32,443 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 389 transitions. [2018-11-18 11:35:32,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 11:35:32,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:32,521 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:32,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:32,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 293 states and 424 transitions. [2018-11-18 11:35:32,999 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 424 transitions. [2018-11-18 11:35:33,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 11:35:33,000 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:33,043 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:33,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:33,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 298 states and 432 transitions. [2018-11-18 11:35:33,272 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 432 transitions. [2018-11-18 11:35:33,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 11:35:33,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:33,290 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:33,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:33,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 302 states and 437 transitions. [2018-11-18 11:35:33,403 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 437 transitions. [2018-11-18 11:35:33,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 11:35:33,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:33,505 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:35:33,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:33,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 382 states and 525 transitions. [2018-11-18 11:35:33,886 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 525 transitions. [2018-11-18 11:35:33,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 11:35:33,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:33,905 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:34,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:34,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 401 states and 547 transitions. [2018-11-18 11:35:34,173 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 547 transitions. [2018-11-18 11:35:34,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 11:35:34,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:34,193 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:34,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:34,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 403 states and 549 transitions. [2018-11-18 11:35:34,312 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 549 transitions. [2018-11-18 11:35:34,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 11:35:34,313 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:34,410 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:34,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:34,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 410 states and 557 transitions. [2018-11-18 11:35:34,655 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 557 transitions. [2018-11-18 11:35:34,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 11:35:34,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:34,693 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 11:35:35,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:35,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 433 states and 592 transitions. [2018-11-18 11:35:35,359 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 592 transitions. [2018-11-18 11:35:35,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 11:35:35,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:35,400 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 11:35:36,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:36,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 452 states and 615 transitions. [2018-11-18 11:35:36,047 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 615 transitions. [2018-11-18 11:35:36,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 11:35:36,049 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:36,094 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 11:35:36,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:36,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 456 states and 619 transitions. [2018-11-18 11:35:36,231 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 619 transitions. [2018-11-18 11:35:36,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 11:35:36,231 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:36,271 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 11:35:36,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:36,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 460 states and 623 transitions. [2018-11-18 11:35:36,409 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 623 transitions. [2018-11-18 11:35:36,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 11:35:36,410 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:36,471 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 11:35:36,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:36,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 464 states and 627 transitions. [2018-11-18 11:35:36,601 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 627 transitions. [2018-11-18 11:35:36,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 11:35:36,602 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:36,623 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:36,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:36,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 470 states and 635 transitions. [2018-11-18 11:35:36,731 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 635 transitions. [2018-11-18 11:35:36,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 11:35:36,732 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:36,842 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:37,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:37,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 482 states and 651 transitions. [2018-11-18 11:35:37,437 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 651 transitions. [2018-11-18 11:35:37,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 11:35:37,437 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:37,550 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:37,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:37,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 485 states and 657 transitions. [2018-11-18 11:35:37,817 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 657 transitions. [2018-11-18 11:35:37,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 11:35:37,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:37,834 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:38,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:38,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 496 states and 670 transitions. [2018-11-18 11:35:38,126 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 670 transitions. [2018-11-18 11:35:38,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 11:35:38,127 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:38,144 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:38,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:38,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 497 states and 670 transitions. [2018-11-18 11:35:38,226 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 670 transitions. [2018-11-18 11:35:38,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 11:35:38,227 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:38,253 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:35:38,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:38,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 500 states and 674 transitions. [2018-11-18 11:35:38,283 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 674 transitions. [2018-11-18 11:35:38,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 11:35:38,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:38,303 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 11:35:38,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:38,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 533 states and 709 transitions. [2018-11-18 11:35:38,595 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 709 transitions. [2018-11-18 11:35:38,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 11:35:38,596 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:38,612 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:35:38,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:38,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 560 states and 739 transitions. [2018-11-18 11:35:38,868 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 739 transitions. [2018-11-18 11:35:38,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 11:35:38,868 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:38,885 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 11:35:39,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:39,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 565 states and 745 transitions. [2018-11-18 11:35:39,064 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 745 transitions. [2018-11-18 11:35:39,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 11:35:39,064 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:39,080 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:35:39,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:39,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 571 states and 753 transitions. [2018-11-18 11:35:39,327 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 753 transitions. [2018-11-18 11:35:39,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 11:35:39,328 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:39,363 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:35:39,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:39,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 575 states and 757 transitions. [2018-11-18 11:35:39,516 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 757 transitions. [2018-11-18 11:35:39,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 11:35:39,516 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:39,573 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:35:39,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:39,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 581 states and 763 transitions. [2018-11-18 11:35:39,676 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 763 transitions. [2018-11-18 11:35:39,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 11:35:39,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:39,703 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 11:35:39,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:39,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 586 states and 769 transitions. [2018-11-18 11:35:39,812 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 769 transitions. [2018-11-18 11:35:39,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 11:35:39,813 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:39,828 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 11:35:40,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:40,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 588 states and 772 transitions. [2018-11-18 11:35:40,021 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 772 transitions. [2018-11-18 11:35:40,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 11:35:40,021 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:40,037 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:35:40,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:40,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 590 states and 774 transitions. [2018-11-18 11:35:40,160 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 774 transitions. [2018-11-18 11:35:40,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 11:35:40,161 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:40,181 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:35:40,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:40,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 595 states and 778 transitions. [2018-11-18 11:35:40,225 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 778 transitions. [2018-11-18 11:35:40,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 11:35:40,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:35:40,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:40,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 600 states and 783 transitions. [2018-11-18 11:35:40,315 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 783 transitions. [2018-11-18 11:35:40,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 11:35:40,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:40,331 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:35:40,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:40,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 607 states and 792 transitions. [2018-11-18 11:35:40,357 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 792 transitions. [2018-11-18 11:35:40,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 11:35:40,358 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:40,375 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:35:40,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:40,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 608 states and 793 transitions. [2018-11-18 11:35:40,388 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 793 transitions. [2018-11-18 11:35:40,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 11:35:40,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:40,410 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 11:35:40,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:40,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 618 states and 802 transitions. [2018-11-18 11:35:40,518 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 802 transitions. [2018-11-18 11:35:40,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 11:35:40,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:40,542 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 11:35:40,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:40,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 624 states and 807 transitions. [2018-11-18 11:35:40,562 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 807 transitions. [2018-11-18 11:35:40,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 11:35:40,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:40,658 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 11:35:40,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:40,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 625 states and 807 transitions. [2018-11-18 11:35:40,671 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 807 transitions. [2018-11-18 11:35:40,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 11:35:40,672 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:40,717 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:35:41,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:41,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 644 states and 829 transitions. [2018-11-18 11:35:41,237 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 829 transitions. [2018-11-18 11:35:41,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 11:35:41,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:41,273 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:35:41,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:41,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 645 states and 830 transitions. [2018-11-18 11:35:41,300 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 830 transitions. [2018-11-18 11:35:41,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 11:35:41,301 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:41,323 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:41,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:41,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 660 states and 845 transitions. [2018-11-18 11:35:41,387 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 845 transitions. [2018-11-18 11:35:41,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 11:35:41,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:41,853 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:43,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:43,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 728 states and 921 transitions. [2018-11-18 11:35:43,541 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 921 transitions. [2018-11-18 11:35:43,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 11:35:43,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:43,869 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 84 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 11:35:44,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:44,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 761 states and 965 transitions. [2018-11-18 11:35:44,951 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 965 transitions. [2018-11-18 11:35:44,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 11:35:44,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:44,978 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 84 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 11:35:45,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:45,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 763 states and 970 transitions. [2018-11-18 11:35:45,172 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 970 transitions. [2018-11-18 11:35:45,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 11:35:45,173 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:45,188 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:35:45,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:45,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 780 states and 987 transitions. [2018-11-18 11:35:45,313 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 987 transitions. [2018-11-18 11:35:45,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 11:35:45,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:45,359 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:35:45,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:45,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 790 states and 997 transitions. [2018-11-18 11:35:45,614 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 997 transitions. [2018-11-18 11:35:45,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 11:35:45,616 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:45,659 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:46,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:46,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 806 states and 1016 transitions. [2018-11-18 11:35:46,084 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1016 transitions. [2018-11-18 11:35:46,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 11:35:46,085 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:46,128 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:46,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:46,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 818 states and 1029 transitions. [2018-11-18 11:35:46,337 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1029 transitions. [2018-11-18 11:35:46,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 11:35:46,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:46,371 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:46,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:46,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 822 states and 1033 transitions. [2018-11-18 11:35:46,559 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1033 transitions. [2018-11-18 11:35:46,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 11:35:46,560 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:46,602 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:47,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:47,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 834 states and 1049 transitions. [2018-11-18 11:35:47,210 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1049 transitions. [2018-11-18 11:35:47,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 11:35:47,211 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:47,646 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 11:35:51,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:51,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 903 states and 1134 transitions. [2018-11-18 11:35:51,009 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1134 transitions. [2018-11-18 11:35:51,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 11:35:51,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:51,045 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 11:35:51,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:51,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 907 states and 1138 transitions. [2018-11-18 11:35:51,263 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1138 transitions. [2018-11-18 11:35:51,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 11:35:51,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:51,324 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 11:35:51,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:51,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 911 states and 1142 transitions. [2018-11-18 11:35:51,565 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1142 transitions. [2018-11-18 11:35:51,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 11:35:51,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:51,677 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:35:52,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:52,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 958 states and 1194 transitions. [2018-11-18 11:35:52,310 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1194 transitions. [2018-11-18 11:35:52,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 11:35:52,311 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:52,346 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:35:52,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:52,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 980 states and 1217 transitions. [2018-11-18 11:35:52,494 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1217 transitions. [2018-11-18 11:35:52,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 11:35:52,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:52,710 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 11:35:54,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:54,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1017 states and 1256 transitions. [2018-11-18 11:35:54,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1256 transitions. [2018-11-18 11:35:54,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 11:35:54,454 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:54,509 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:55,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:55,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1042 states and 1282 transitions. [2018-11-18 11:35:55,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1282 transitions. [2018-11-18 11:35:55,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 11:35:55,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:55,392 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:35:56,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:56,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1049 states and 1289 transitions. [2018-11-18 11:35:56,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1289 transitions. [2018-11-18 11:35:56,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 11:35:56,113 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:56,146 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-18 11:35:56,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1050 states and 1289 transitions. [2018-11-18 11:35:56,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1289 transitions. [2018-11-18 11:35:56,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 11:35:56,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:35:56,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:56,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1057 states and 1299 transitions. [2018-11-18 11:35:56,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1299 transitions. [2018-11-18 11:35:56,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 11:35:56,769 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:56,791 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 11:35:57,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:57,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1074 states and 1317 transitions. [2018-11-18 11:35:57,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1317 transitions. [2018-11-18 11:35:57,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 11:35:57,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:57,063 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:35:58,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:58,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1103 states and 1346 transitions. [2018-11-18 11:35:58,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1346 transitions. [2018-11-18 11:35:58,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 11:35:58,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:58,274 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 11:35:59,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:59,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1137 states and 1386 transitions. [2018-11-18 11:35:59,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1386 transitions. [2018-11-18 11:35:59,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 11:35:59,074 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:59,101 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 11:35:59,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:35:59,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1149 states and 1399 transitions. [2018-11-18 11:35:59,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1399 transitions. [2018-11-18 11:35:59,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 11:35:59,578 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:35:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:35:59,609 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 11:36:00,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:00,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1159 states and 1411 transitions. [2018-11-18 11:36:00,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1411 transitions. [2018-11-18 11:36:00,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 11:36:00,221 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:00,244 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 11:36:00,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:00,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1165 states and 1416 transitions. [2018-11-18 11:36:00,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1416 transitions. [2018-11-18 11:36:00,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 11:36:00,419 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:00,452 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:36:00,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:00,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1167 states and 1419 transitions. [2018-11-18 11:36:00,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1419 transitions. [2018-11-18 11:36:00,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 11:36:00,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:00,732 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:36:00,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:00,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1196 states and 1448 transitions. [2018-11-18 11:36:00,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1448 transitions. [2018-11-18 11:36:00,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 11:36:00,982 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:01,065 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 11:36:01,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:01,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1198 states and 1450 transitions. [2018-11-18 11:36:01,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1450 transitions. [2018-11-18 11:36:01,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 11:36:01,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:01,290 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:36:02,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:02,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1208 states and 1466 transitions. [2018-11-18 11:36:02,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1466 transitions. [2018-11-18 11:36:02,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 11:36:02,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:02,373 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:36:02,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:02,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1209 states and 1467 transitions. [2018-11-18 11:36:02,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1467 transitions. [2018-11-18 11:36:02,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 11:36:02,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:02,435 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:36:03,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:03,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1219 states and 1484 transitions. [2018-11-18 11:36:03,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1484 transitions. [2018-11-18 11:36:03,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 11:36:03,767 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:03,867 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:36:05,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:05,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1255 states and 1520 transitions. [2018-11-18 11:36:05,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1520 transitions. [2018-11-18 11:36:05,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 11:36:05,880 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:05,902 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:36:05,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1256 states and 1521 transitions. [2018-11-18 11:36:05,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1521 transitions. [2018-11-18 11:36:05,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 11:36:05,918 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:05,965 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 11:36:06,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:06,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1273 states and 1543 transitions. [2018-11-18 11:36:06,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1543 transitions. [2018-11-18 11:36:06,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 11:36:06,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:06,203 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:36:06,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:06,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1274 states and 1543 transitions. [2018-11-18 11:36:06,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1543 transitions. [2018-11-18 11:36:06,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 11:36:06,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:06,347 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 99 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 11:36:07,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:07,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1304 states and 1581 transitions. [2018-11-18 11:36:07,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1581 transitions. [2018-11-18 11:36:07,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 11:36:07,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:07,821 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:36:08,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:08,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1307 states and 1585 transitions. [2018-11-18 11:36:08,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1585 transitions. [2018-11-18 11:36:08,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 11:36:08,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:08,285 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:36:09,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:09,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1347 states and 1629 transitions. [2018-11-18 11:36:09,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1629 transitions. [2018-11-18 11:36:09,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 11:36:09,906 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:09,931 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 11:36:10,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:10,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1349 states and 1631 transitions. [2018-11-18 11:36:10,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1631 transitions. [2018-11-18 11:36:10,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-18 11:36:10,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:10,420 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:36:10,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:10,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1375 states and 1657 transitions. [2018-11-18 11:36:10,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1657 transitions. [2018-11-18 11:36:10,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-18 11:36:10,504 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:10,531 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 11:36:10,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:10,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1391 states and 1682 transitions. [2018-11-18 11:36:10,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1682 transitions. [2018-11-18 11:36:10,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-18 11:36:10,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:10,758 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:36:11,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:11,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1422 states and 1718 transitions. [2018-11-18 11:36:11,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1718 transitions. [2018-11-18 11:36:11,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-18 11:36:11,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:11,169 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:36:12,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:12,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1454 states and 1754 transitions. [2018-11-18 11:36:12,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 1754 transitions. [2018-11-18 11:36:12,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-18 11:36:12,603 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:12,626 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:36:13,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:13,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1461 states and 1762 transitions. [2018-11-18 11:36:13,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1762 transitions. [2018-11-18 11:36:13,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-18 11:36:13,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:13,299 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:36:14,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:14,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1782 states to 1479 states and 1782 transitions. [2018-11-18 11:36:14,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1782 transitions. [2018-11-18 11:36:14,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-18 11:36:14,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:14,261 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:36:14,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:14,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 1497 states and 1801 transitions. [2018-11-18 11:36:14,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1801 transitions. [2018-11-18 11:36:14,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-18 11:36:14,696 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:14,720 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:36:14,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:14,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1500 states and 1804 transitions. [2018-11-18 11:36:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1804 transitions. [2018-11-18 11:36:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 11:36:14,870 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:14,920 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:36:16,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:16,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1530 states and 1841 transitions. [2018-11-18 11:36:16,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 1841 transitions. [2018-11-18 11:36:16,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 11:36:16,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:16,664 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:36:16,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:16,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1531 states and 1844 transitions. [2018-11-18 11:36:16,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1844 transitions. [2018-11-18 11:36:16,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 11:36:16,697 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:16,791 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:36:17,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:17,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 1535 states and 1848 transitions. [2018-11-18 11:36:17,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1848 transitions. [2018-11-18 11:36:17,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 11:36:17,053 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:17,093 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:36:17,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:17,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1551 states and 1867 transitions. [2018-11-18 11:36:17,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 1867 transitions. [2018-11-18 11:36:17,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 11:36:17,786 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:17,827 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:36:18,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:18,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1555 states and 1871 transitions. [2018-11-18 11:36:18,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 1871 transitions. [2018-11-18 11:36:18,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 11:36:18,090 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:18,121 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:36:18,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:18,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1556 states and 1871 transitions. [2018-11-18 11:36:18,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 1871 transitions. [2018-11-18 11:36:18,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 11:36:18,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:18,301 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 11:36:19,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:19,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1611 states and 1928 transitions. [2018-11-18 11:36:19,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1611 states and 1928 transitions. [2018-11-18 11:36:19,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 11:36:19,075 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:19,100 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 11:36:19,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:19,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1648 states and 1966 transitions. [2018-11-18 11:36:19,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 1966 transitions. [2018-11-18 11:36:19,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 11:36:19,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:19,989 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 17 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 11:36:20,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:20,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 1666 states and 1984 transitions. [2018-11-18 11:36:20,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 1984 transitions. [2018-11-18 11:36:20,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-18 11:36:20,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:20,277 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:36:20,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:20,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 1667 states and 1984 transitions. [2018-11-18 11:36:20,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 1984 transitions. [2018-11-18 11:36:20,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 11:36:20,419 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:20,444 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:36:20,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:20,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1990 states to 1672 states and 1990 transitions. [2018-11-18 11:36:20,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1990 transitions. [2018-11-18 11:36:20,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 11:36:20,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:20,828 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:36:21,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:21,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1676 states and 1994 transitions. [2018-11-18 11:36:21,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 1994 transitions. [2018-11-18 11:36:21,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 11:36:21,053 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:21,524 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 200 proven. 11 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 11:36:22,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:22,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 1695 states and 2015 transitions. [2018-11-18 11:36:22,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2015 transitions. [2018-11-18 11:36:22,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 11:36:22,811 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:22,905 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:36:23,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:23,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 1724 states and 2044 transitions. [2018-11-18 11:36:23,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2044 transitions. [2018-11-18 11:36:23,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 11:36:23,911 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:24,002 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:36:24,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:24,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 1726 states and 2046 transitions. [2018-11-18 11:36:24,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1726 states and 2046 transitions. [2018-11-18 11:36:24,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 11:36:24,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:24,398 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:36:24,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:24,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 1730 states and 2049 transitions. [2018-11-18 11:36:24,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 2049 transitions. [2018-11-18 11:36:24,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 11:36:24,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:24,607 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 11:36:25,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:25,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 1769 states and 2090 transitions. [2018-11-18 11:36:25,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2090 transitions. [2018-11-18 11:36:25,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 11:36:25,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:25,373 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 11:36:25,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:25,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 1771 states and 2092 transitions. [2018-11-18 11:36:25,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 2092 transitions. [2018-11-18 11:36:25,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 11:36:25,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:25,755 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 11:36:26,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:26,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 1789 states and 2110 transitions. [2018-11-18 11:36:26,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 2110 transitions. [2018-11-18 11:36:26,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 11:36:26,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:26,080 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 11:36:27,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:27,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 1826 states and 2150 transitions. [2018-11-18 11:36:27,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 2150 transitions. [2018-11-18 11:36:27,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 11:36:27,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:27,129 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 11:36:27,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:27,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 1834 states and 2158 transitions. [2018-11-18 11:36:27,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 2158 transitions. [2018-11-18 11:36:27,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 11:36:27,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:27,502 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 11:36:28,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:28,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 1884 states and 2208 transitions. [2018-11-18 11:36:28,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 2208 transitions. [2018-11-18 11:36:28,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 11:36:28,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:28,143 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 11:36:28,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:28,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 1894 states and 2217 transitions. [2018-11-18 11:36:28,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2217 transitions. [2018-11-18 11:36:28,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 11:36:28,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:29,420 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 211 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:36:32,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:32,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 1948 states and 2281 transitions. [2018-11-18 11:36:32,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2281 transitions. [2018-11-18 11:36:32,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-18 11:36:32,061 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:32,325 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:36:33,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:33,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 1954 states and 2289 transitions. [2018-11-18 11:36:33,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2289 transitions. [2018-11-18 11:36:33,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-18 11:36:33,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:34,017 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 11:36:37,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:37,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2010 states and 2349 transitions. [2018-11-18 11:36:37,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2010 states and 2349 transitions. [2018-11-18 11:36:37,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-18 11:36:37,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:37,501 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 11:36:37,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:37,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2351 states to 2012 states and 2351 transitions. [2018-11-18 11:36:37,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 2351 transitions. [2018-11-18 11:36:37,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-18 11:36:37,925 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:38,064 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 11:36:39,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:39,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 2062 states and 2400 transitions. [2018-11-18 11:36:39,452 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2400 transitions. [2018-11-18 11:36:39,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 11:36:39,453 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:39,484 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-18 11:36:39,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:39,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2403 states to 2063 states and 2403 transitions. [2018-11-18 11:36:39,692 INFO L276 IsEmpty]: Start isEmpty. Operand 2063 states and 2403 transitions. [2018-11-18 11:36:39,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 11:36:39,693 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:39,735 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-18 11:36:40,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:40,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2069 states and 2411 transitions. [2018-11-18 11:36:40,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2411 transitions. [2018-11-18 11:36:40,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 11:36:40,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:40,221 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-18 11:36:40,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:40,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2070 states and 2412 transitions. [2018-11-18 11:36:40,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2412 transitions. [2018-11-18 11:36:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 11:36:40,571 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:40,602 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-18 11:36:40,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:40,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2413 states to 2071 states and 2413 transitions. [2018-11-18 11:36:40,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2413 transitions. [2018-11-18 11:36:40,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-18 11:36:40,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:41,028 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 218 proven. 42 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:36:41,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:41,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 2078 states and 2423 transitions. [2018-11-18 11:36:41,738 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 2423 transitions. [2018-11-18 11:36:41,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-18 11:36:41,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:41,796 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 197 proven. 11 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:36:42,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:42,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2090 states and 2434 transitions. [2018-11-18 11:36:42,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 2434 transitions. [2018-11-18 11:36:42,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-18 11:36:42,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:42,599 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 11:36:42,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:42,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2438 states to 2094 states and 2438 transitions. [2018-11-18 11:36:42,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2094 states and 2438 transitions. [2018-11-18 11:36:42,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 11:36:42,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:43,004 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-18 11:36:43,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:43,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 2100 states and 2445 transitions. [2018-11-18 11:36:43,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2445 transitions. [2018-11-18 11:36:43,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 11:36:43,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:43,389 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-18 11:36:43,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:43,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 2119 states and 2465 transitions. [2018-11-18 11:36:43,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 2465 transitions. [2018-11-18 11:36:43,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 11:36:43,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:43,766 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-18 11:36:44,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:44,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 2123 states and 2469 transitions. [2018-11-18 11:36:44,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2469 transitions. [2018-11-18 11:36:44,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-18 11:36:44,172 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:44,245 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 172 proven. 17 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 11:36:46,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:46,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2150 states and 2509 transitions. [2018-11-18 11:36:46,068 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 2509 transitions. [2018-11-18 11:36:46,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-18 11:36:46,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:46,140 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 172 proven. 17 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 11:36:46,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:46,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2162 states and 2523 transitions. [2018-11-18 11:36:46,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2162 states and 2523 transitions. [2018-11-18 11:36:46,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-18 11:36:46,560 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:46,633 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 172 proven. 17 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 11:36:46,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:46,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 2166 states and 2527 transitions. [2018-11-18 11:36:46,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 2527 transitions. [2018-11-18 11:36:46,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-18 11:36:46,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:47,052 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 172 proven. 17 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 11:36:47,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:47,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 2170 states and 2531 transitions. [2018-11-18 11:36:47,396 INFO L276 IsEmpty]: Start isEmpty. Operand 2170 states and 2531 transitions. [2018-11-18 11:36:47,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-18 11:36:47,397 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:47,476 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 172 proven. 17 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 11:36:47,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:47,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 2174 states and 2535 transitions. [2018-11-18 11:36:47,824 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 2535 transitions. [2018-11-18 11:36:47,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 11:36:47,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:47,924 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:36:49,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:49,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2566 states to 2205 states and 2566 transitions. [2018-11-18 11:36:49,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2205 states and 2566 transitions. [2018-11-18 11:36:49,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-18 11:36:49,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:49,191 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 11:36:49,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:49,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2578 states to 2212 states and 2578 transitions. [2018-11-18 11:36:49,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 2578 transitions. [2018-11-18 11:36:49,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-18 11:36:49,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:49,611 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 11:36:49,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:50,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 2222 states and 2587 transitions. [2018-11-18 11:36:50,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2222 states and 2587 transitions. [2018-11-18 11:36:50,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-18 11:36:50,002 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:50,033 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 11:36:50,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:50,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 2232 states and 2596 transitions. [2018-11-18 11:36:50,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2232 states and 2596 transitions. [2018-11-18 11:36:50,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 11:36:50,416 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:50,450 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 11:36:51,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:51,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2251 states and 2616 transitions. [2018-11-18 11:36:51,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 2616 transitions. [2018-11-18 11:36:51,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 11:36:51,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:51,264 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 11:36:51,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:51,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2634 states to 2268 states and 2634 transitions. [2018-11-18 11:36:51,545 INFO L276 IsEmpty]: Start isEmpty. Operand 2268 states and 2634 transitions. [2018-11-18 11:36:51,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 11:36:51,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:51,577 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 11:36:52,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:52,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2326 states and 2692 transitions. [2018-11-18 11:36:52,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2326 states and 2692 transitions. [2018-11-18 11:36:52,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 11:36:52,334 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:52,366 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 11:36:53,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:53,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2357 states and 2724 transitions. [2018-11-18 11:36:53,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2357 states and 2724 transitions. [2018-11-18 11:36:53,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 11:36:53,630 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:53,662 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 11:36:54,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:54,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 2363 states and 2729 transitions. [2018-11-18 11:36:54,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2363 states and 2729 transitions. [2018-11-18 11:36:54,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-18 11:36:54,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:54,165 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:36:54,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:54,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 2367 states and 2736 transitions. [2018-11-18 11:36:54,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2736 transitions. [2018-11-18 11:36:54,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-18 11:36:54,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:54,496 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:36:54,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:54,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 2368 states and 2736 transitions. [2018-11-18 11:36:54,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2368 states and 2736 transitions. [2018-11-18 11:36:54,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-18 11:36:54,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:54,715 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:36:54,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:54,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 2369 states and 2736 transitions. [2018-11-18 11:36:54,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2369 states and 2736 transitions. [2018-11-18 11:36:54,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 11:36:54,908 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:55,687 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 11:36:59,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:36:59,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 2430 states and 2798 transitions. [2018-11-18 11:36:59,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2430 states and 2798 transitions. [2018-11-18 11:36:59,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 11:36:59,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:36:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:36:59,789 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 11:37:01,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:01,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2457 states and 2823 transitions. [2018-11-18 11:37:01,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 2823 transitions. [2018-11-18 11:37:01,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 11:37:01,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:01,429 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 11:37:01,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:01,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 2463 states and 2829 transitions. [2018-11-18 11:37:01,470 INFO L276 IsEmpty]: Start isEmpty. Operand 2463 states and 2829 transitions. [2018-11-18 11:37:01,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 11:37:01,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:01,512 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 11:37:01,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:01,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2480 states and 2846 transitions. [2018-11-18 11:37:01,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2480 states and 2846 transitions. [2018-11-18 11:37:01,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 11:37:01,876 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:01,913 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 11:37:02,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:02,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2486 states and 2853 transitions. [2018-11-18 11:37:02,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 2853 transitions. [2018-11-18 11:37:02,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 11:37:02,100 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:02,129 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 11:37:02,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:02,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2487 states and 2853 transitions. [2018-11-18 11:37:02,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 2853 transitions. [2018-11-18 11:37:02,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 11:37:02,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:02,390 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 11:37:02,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:02,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2488 states and 2853 transitions. [2018-11-18 11:37:02,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2488 states and 2853 transitions. [2018-11-18 11:37:02,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 11:37:02,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 240 proven. 61 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 11:37:05,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:05,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2527 states and 2897 transitions. [2018-11-18 11:37:05,840 INFO L276 IsEmpty]: Start isEmpty. Operand 2527 states and 2897 transitions. [2018-11-18 11:37:05,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 11:37:05,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:05,907 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 11:37:06,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:06,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2919 states to 2546 states and 2919 transitions. [2018-11-18 11:37:06,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2546 states and 2919 transitions. [2018-11-18 11:37:06,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 11:37:06,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:06,931 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 11:37:07,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:07,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2548 states and 2921 transitions. [2018-11-18 11:37:07,287 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 2921 transitions. [2018-11-18 11:37:07,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 11:37:07,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:07,399 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 11:37:08,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:08,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 2586 states and 2963 transitions. [2018-11-18 11:37:08,378 INFO L276 IsEmpty]: Start isEmpty. Operand 2586 states and 2963 transitions. [2018-11-18 11:37:08,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 11:37:08,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:08,577 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 11:37:08,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:08,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 2587 states and 2963 transitions. [2018-11-18 11:37:08,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2587 states and 2963 transitions. [2018-11-18 11:37:08,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 11:37:08,769 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:08,831 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-18 11:37:09,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:09,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3046 states to 2667 states and 3046 transitions. [2018-11-18 11:37:09,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 3046 transitions. [2018-11-18 11:37:09,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-11-18 11:37:09,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:09,861 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 11:37:11,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:11,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3089 states to 2704 states and 3089 transitions. [2018-11-18 11:37:11,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3089 transitions. [2018-11-18 11:37:11,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2018-11-18 11:37:11,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:11,085 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-18 11:37:11,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:11,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 2711 states and 3095 transitions. [2018-11-18 11:37:11,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2711 states and 3095 transitions. [2018-11-18 11:37:11,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2018-11-18 11:37:11,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:11,751 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 342 proven. 18 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-11-18 11:37:11,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:11,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3102 states to 2718 states and 3102 transitions. [2018-11-18 11:37:11,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3102 transitions. [2018-11-18 11:37:11,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-11-18 11:37:11,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:12,026 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 352 proven. 1 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-11-18 11:37:12,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:12,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3107 states to 2723 states and 3107 transitions. [2018-11-18 11:37:12,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2723 states and 3107 transitions. [2018-11-18 11:37:12,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-11-18 11:37:12,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:12,498 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 352 proven. 1 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-11-18 11:37:14,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:14,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 2756 states and 3140 transitions. [2018-11-18 11:37:14,055 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 3140 transitions. [2018-11-18 11:37:14,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-11-18 11:37:14,056 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:14,120 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 352 proven. 1 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-11-18 11:37:14,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:14,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3144 states to 2760 states and 3144 transitions. [2018-11-18 11:37:14,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 3144 transitions. [2018-11-18 11:37:14,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-11-18 11:37:14,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:15,546 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2018-11-18 11:37:20,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:20,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 2818 states and 3205 transitions. [2018-11-18 11:37:20,431 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 3205 transitions. [2018-11-18 11:37:20,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-11-18 11:37:20,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:20,550 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2018-11-18 11:37:21,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:21,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 2819 states and 3204 transitions. [2018-11-18 11:37:21,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 3204 transitions. [2018-11-18 11:37:21,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-11-18 11:37:21,446 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:21,557 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2018-11-18 11:37:22,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:22,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3189 states to 2805 states and 3189 transitions. [2018-11-18 11:37:22,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2805 states and 3189 transitions. [2018-11-18 11:37:22,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-11-18 11:37:22,033 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:22,904 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2018-11-18 11:37:26,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:26,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 2867 states and 3252 transitions. [2018-11-18 11:37:26,234 INFO L276 IsEmpty]: Start isEmpty. Operand 2867 states and 3252 transitions. [2018-11-18 11:37:26,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-11-18 11:37:26,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:26,295 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 482 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-11-18 11:37:27,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:27,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 2887 states and 3274 transitions. [2018-11-18 11:37:27,299 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 3274 transitions. [2018-11-18 11:37:27,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-11-18 11:37:27,300 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:27,354 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 482 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-11-18 11:37:27,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:27,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3293 states to 2906 states and 3293 transitions. [2018-11-18 11:37:27,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2906 states and 3293 transitions. [2018-11-18 11:37:27,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-11-18 11:37:27,888 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:28,022 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2018-11-18 11:37:29,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:29,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3334 states to 2949 states and 3334 transitions. [2018-11-18 11:37:29,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2949 states and 3334 transitions. [2018-11-18 11:37:29,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-11-18 11:37:29,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:29,675 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 389 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2018-11-18 11:37:30,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:30,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3339 states to 2954 states and 3339 transitions. [2018-11-18 11:37:30,779 INFO L276 IsEmpty]: Start isEmpty. Operand 2954 states and 3339 transitions. [2018-11-18 11:37:30,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-11-18 11:37:30,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:31,749 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 487 proven. 103 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 11:37:38,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:38,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3483 states to 3073 states and 3483 transitions. [2018-11-18 11:37:38,563 INFO L276 IsEmpty]: Start isEmpty. Operand 3073 states and 3483 transitions. [2018-11-18 11:37:38,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-11-18 11:37:38,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:38,728 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 487 proven. 103 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 11:37:40,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:40,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3520 states to 3109 states and 3520 transitions. [2018-11-18 11:37:40,998 INFO L276 IsEmpty]: Start isEmpty. Operand 3109 states and 3520 transitions. [2018-11-18 11:37:41,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-11-18 11:37:41,000 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:41,164 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 487 proven. 103 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 11:37:42,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:42,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3131 states and 3541 transitions. [2018-11-18 11:37:42,426 INFO L276 IsEmpty]: Start isEmpty. Operand 3131 states and 3541 transitions. [2018-11-18 11:37:42,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-11-18 11:37:42,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:42,591 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 487 proven. 103 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 11:37:43,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:43,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3542 states to 3132 states and 3542 transitions. [2018-11-18 11:37:43,135 INFO L276 IsEmpty]: Start isEmpty. Operand 3132 states and 3542 transitions. [2018-11-18 11:37:43,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-11-18 11:37:43,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:43,417 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 509 proven. 5 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-11-18 11:37:43,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:43,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3568 states to 3156 states and 3568 transitions. [2018-11-18 11:37:43,974 INFO L276 IsEmpty]: Start isEmpty. Operand 3156 states and 3568 transitions. [2018-11-18 11:37:43,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-11-18 11:37:43,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:44,132 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 509 proven. 5 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-11-18 11:37:45,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:45,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3589 states to 3173 states and 3589 transitions. [2018-11-18 11:37:45,202 INFO L276 IsEmpty]: Start isEmpty. Operand 3173 states and 3589 transitions. [2018-11-18 11:37:45,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-11-18 11:37:45,204 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:45,352 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 509 proven. 5 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-11-18 11:37:47,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:47,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3619 states to 3196 states and 3619 transitions. [2018-11-18 11:37:47,634 INFO L276 IsEmpty]: Start isEmpty. Operand 3196 states and 3619 transitions. [2018-11-18 11:37:47,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-11-18 11:37:47,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:47,785 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 509 proven. 5 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-11-18 11:37:47,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:47,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3622 states to 3200 states and 3622 transitions. [2018-11-18 11:37:47,975 INFO L276 IsEmpty]: Start isEmpty. Operand 3200 states and 3622 transitions. [2018-11-18 11:37:47,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-11-18 11:37:47,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 509 proven. 5 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-11-18 11:37:48,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:48,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3623 states to 3202 states and 3623 transitions. [2018-11-18 11:37:48,217 INFO L276 IsEmpty]: Start isEmpty. Operand 3202 states and 3623 transitions. [2018-11-18 11:37:48,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-11-18 11:37:48,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:48,365 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 509 proven. 5 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-11-18 11:37:48,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:48,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3627 states to 3206 states and 3627 transitions. [2018-11-18 11:37:48,898 INFO L276 IsEmpty]: Start isEmpty. Operand 3206 states and 3627 transitions. [2018-11-18 11:37:48,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-11-18 11:37:48,900 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:49,046 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 509 proven. 5 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-11-18 11:37:49,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:49,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3632 states to 3210 states and 3632 transitions. [2018-11-18 11:37:49,518 INFO L276 IsEmpty]: Start isEmpty. Operand 3210 states and 3632 transitions. [2018-11-18 11:37:49,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-11-18 11:37:49,520 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:49,667 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 509 proven. 5 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-11-18 11:37:49,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:49,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3634 states to 3211 states and 3634 transitions. [2018-11-18 11:37:49,732 INFO L276 IsEmpty]: Start isEmpty. Operand 3211 states and 3634 transitions. [2018-11-18 11:37:49,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-11-18 11:37:49,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:49,885 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 509 proven. 5 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-11-18 11:37:50,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:50,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3638 states to 3215 states and 3638 transitions. [2018-11-18 11:37:50,347 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 3638 transitions. [2018-11-18 11:37:50,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2018-11-18 11:37:50,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 509 proven. 5 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2018-11-18 11:37:50,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:50,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3642 states to 3219 states and 3642 transitions. [2018-11-18 11:37:50,966 INFO L276 IsEmpty]: Start isEmpty. Operand 3219 states and 3642 transitions. [2018-11-18 11:37:50,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-11-18 11:37:50,967 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:51,041 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 449 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-11-18 11:37:51,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:51,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3225 states and 3648 transitions. [2018-11-18 11:37:51,466 INFO L276 IsEmpty]: Start isEmpty. Operand 3225 states and 3648 transitions. [2018-11-18 11:37:51,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-11-18 11:37:51,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:51,542 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 449 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-11-18 11:37:52,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:52,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3664 states to 3237 states and 3664 transitions. [2018-11-18 11:37:52,200 INFO L276 IsEmpty]: Start isEmpty. Operand 3237 states and 3664 transitions. [2018-11-18 11:37:52,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-11-18 11:37:52,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:52,277 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 449 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-11-18 11:37:52,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:52,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3669 states to 3243 states and 3669 transitions. [2018-11-18 11:37:52,981 INFO L276 IsEmpty]: Start isEmpty. Operand 3243 states and 3669 transitions. [2018-11-18 11:37:52,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-11-18 11:37:52,982 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:53,176 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 449 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-11-18 11:37:53,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:53,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3698 states to 3273 states and 3698 transitions. [2018-11-18 11:37:53,706 INFO L276 IsEmpty]: Start isEmpty. Operand 3273 states and 3698 transitions. [2018-11-18 11:37:53,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-11-18 11:37:53,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:53,782 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 449 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-11-18 11:37:54,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:54,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3295 states and 3722 transitions. [2018-11-18 11:37:54,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3295 states and 3722 transitions. [2018-11-18 11:37:54,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-11-18 11:37:54,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:54,924 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 449 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-11-18 11:37:55,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:55,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3726 states to 3300 states and 3726 transitions. [2018-11-18 11:37:55,486 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 3726 transitions. [2018-11-18 11:37:55,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-11-18 11:37:55,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:55,588 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 449 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-11-18 11:37:55,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:55,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3741 states to 3315 states and 3741 transitions. [2018-11-18 11:37:55,670 INFO L276 IsEmpty]: Start isEmpty. Operand 3315 states and 3741 transitions. [2018-11-18 11:37:55,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-11-18 11:37:55,672 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:55,745 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 449 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-11-18 11:37:56,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:56,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3747 states to 3320 states and 3747 transitions. [2018-11-18 11:37:56,806 INFO L276 IsEmpty]: Start isEmpty. Operand 3320 states and 3747 transitions. [2018-11-18 11:37:56,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-11-18 11:37:56,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:56,881 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 449 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-11-18 11:37:57,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:57,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3760 states to 3333 states and 3760 transitions. [2018-11-18 11:37:57,374 INFO L276 IsEmpty]: Start isEmpty. Operand 3333 states and 3760 transitions. [2018-11-18 11:37:57,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-11-18 11:37:57,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:57,449 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 449 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-11-18 11:37:57,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:57,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3764 states to 3337 states and 3764 transitions. [2018-11-18 11:37:57,928 INFO L276 IsEmpty]: Start isEmpty. Operand 3337 states and 3764 transitions. [2018-11-18 11:37:57,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2018-11-18 11:37:57,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:58,127 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 449 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-11-18 11:37:58,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:37:58,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3769 states to 3342 states and 3769 transitions. [2018-11-18 11:37:58,664 INFO L276 IsEmpty]: Start isEmpty. Operand 3342 states and 3769 transitions. [2018-11-18 11:37:58,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2018-11-18 11:37:58,666 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:37:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:37:58,815 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2018-11-18 11:38:01,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:01,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3790 states to 3361 states and 3790 transitions. [2018-11-18 11:38:01,188 INFO L276 IsEmpty]: Start isEmpty. Operand 3361 states and 3790 transitions. [2018-11-18 11:38:01,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2018-11-18 11:38:01,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:01,338 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 407 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2018-11-18 11:38:02,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:02,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3801 states to 3373 states and 3801 transitions. [2018-11-18 11:38:02,943 INFO L276 IsEmpty]: Start isEmpty. Operand 3373 states and 3801 transitions. [2018-11-18 11:38:02,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2018-11-18 11:38:02,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:03,037 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 666 proven. 17 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-11-18 11:38:04,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:04,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 3398 states and 3832 transitions. [2018-11-18 11:38:04,602 INFO L276 IsEmpty]: Start isEmpty. Operand 3398 states and 3832 transitions. [2018-11-18 11:38:04,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2018-11-18 11:38:04,604 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:04,701 INFO L134 CoverageAnalysis]: Checked inductivity of 831 backedges. 666 proven. 17 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-11-18 11:38:05,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:05,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3852 states to 3420 states and 3852 transitions. [2018-11-18 11:38:05,628 INFO L276 IsEmpty]: Start isEmpty. Operand 3420 states and 3852 transitions. [2018-11-18 11:38:05,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2018-11-18 11:38:05,630 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:06,971 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2018-11-18 11:38:11,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:11,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3917 states to 3484 states and 3917 transitions. [2018-11-18 11:38:11,191 INFO L276 IsEmpty]: Start isEmpty. Operand 3484 states and 3917 transitions. [2018-11-18 11:38:11,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2018-11-18 11:38:11,193 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:11,744 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 626 proven. 36 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-11-18 11:38:13,453 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2018-11-18 11:38:17,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:17,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4044 states to 3584 states and 4044 transitions. [2018-11-18 11:38:17,969 INFO L276 IsEmpty]: Start isEmpty. Operand 3584 states and 4044 transitions. [2018-11-18 11:38:17,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2018-11-18 11:38:17,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:18,133 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 626 proven. 36 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-11-18 11:38:19,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:19,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4068 states to 3608 states and 4068 transitions. [2018-11-18 11:38:19,083 INFO L276 IsEmpty]: Start isEmpty. Operand 3608 states and 4068 transitions. [2018-11-18 11:38:19,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-11-18 11:38:19,085 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:19,418 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-18 11:38:26,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:26,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4158 states to 3680 states and 4158 transitions. [2018-11-18 11:38:26,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3680 states and 4158 transitions. [2018-11-18 11:38:26,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-11-18 11:38:26,199 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:26,312 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-18 11:38:28,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:28,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4179 states to 3701 states and 4179 transitions. [2018-11-18 11:38:28,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3701 states and 4179 transitions. [2018-11-18 11:38:28,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-11-18 11:38:28,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:28,298 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-18 11:38:31,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:31,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4242 states to 3756 states and 4242 transitions. [2018-11-18 11:38:31,876 INFO L276 IsEmpty]: Start isEmpty. Operand 3756 states and 4242 transitions. [2018-11-18 11:38:31,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-11-18 11:38:31,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:31,991 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-18 11:38:34,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:34,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4300 states to 3813 states and 4300 transitions. [2018-11-18 11:38:34,209 INFO L276 IsEmpty]: Start isEmpty. Operand 3813 states and 4300 transitions. [2018-11-18 11:38:34,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-11-18 11:38:34,211 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:34,323 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-18 11:38:35,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:35,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4317 states to 3830 states and 4317 transitions. [2018-11-18 11:38:35,728 INFO L276 IsEmpty]: Start isEmpty. Operand 3830 states and 4317 transitions. [2018-11-18 11:38:35,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-11-18 11:38:35,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:35,844 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-18 11:38:36,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:36,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4327 states to 3841 states and 4327 transitions. [2018-11-18 11:38:36,360 INFO L276 IsEmpty]: Start isEmpty. Operand 3841 states and 4327 transitions. [2018-11-18 11:38:36,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-11-18 11:38:36,362 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:36,475 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-18 11:38:38,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:38,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4365 states to 3878 states and 4365 transitions. [2018-11-18 11:38:38,673 INFO L276 IsEmpty]: Start isEmpty. Operand 3878 states and 4365 transitions. [2018-11-18 11:38:38,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-11-18 11:38:38,675 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:38,788 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-18 11:38:39,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:39,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4367 states to 3879 states and 4367 transitions. [2018-11-18 11:38:39,379 INFO L276 IsEmpty]: Start isEmpty. Operand 3879 states and 4367 transitions. [2018-11-18 11:38:39,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-11-18 11:38:39,381 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:39,500 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-18 11:38:40,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:40,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4368 states to 3880 states and 4368 transitions. [2018-11-18 11:38:40,069 INFO L276 IsEmpty]: Start isEmpty. Operand 3880 states and 4368 transitions. [2018-11-18 11:38:40,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-11-18 11:38:40,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:40,338 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-18 11:38:41,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:41,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4369 states to 3881 states and 4369 transitions. [2018-11-18 11:38:41,024 INFO L276 IsEmpty]: Start isEmpty. Operand 3881 states and 4369 transitions. [2018-11-18 11:38:41,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-11-18 11:38:41,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:41,136 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-18 11:38:41,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:41,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4369 states to 3882 states and 4369 transitions. [2018-11-18 11:38:41,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3882 states and 4369 transitions. [2018-11-18 11:38:41,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-11-18 11:38:41,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:41,886 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-18 11:38:42,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:42,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4374 states to 3885 states and 4374 transitions. [2018-11-18 11:38:42,458 INFO L276 IsEmpty]: Start isEmpty. Operand 3885 states and 4374 transitions. [2018-11-18 11:38:42,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-11-18 11:38:42,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:42,573 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-18 11:38:43,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:43,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4375 states to 3886 states and 4375 transitions. [2018-11-18 11:38:43,121 INFO L276 IsEmpty]: Start isEmpty. Operand 3886 states and 4375 transitions. [2018-11-18 11:38:43,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-11-18 11:38:43,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:43,235 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-18 11:38:43,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:43,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4376 states to 3887 states and 4376 transitions. [2018-11-18 11:38:43,790 INFO L276 IsEmpty]: Start isEmpty. Operand 3887 states and 4376 transitions. [2018-11-18 11:38:43,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-11-18 11:38:43,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:43,907 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-18 11:38:44,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:44,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4376 states to 3888 states and 4376 transitions. [2018-11-18 11:38:44,392 INFO L276 IsEmpty]: Start isEmpty. Operand 3888 states and 4376 transitions. [2018-11-18 11:38:44,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-11-18 11:38:44,394 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:44,510 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 692 proven. 7 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-11-18 11:38:45,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:45,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4376 states to 3889 states and 4376 transitions. [2018-11-18 11:38:45,054 INFO L276 IsEmpty]: Start isEmpty. Operand 3889 states and 4376 transitions. [2018-11-18 11:38:45,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-11-18 11:38:45,056 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:45,175 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 521 proven. 12 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-11-18 11:38:46,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:46,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4383 states to 3894 states and 4383 transitions. [2018-11-18 11:38:46,234 INFO L276 IsEmpty]: Start isEmpty. Operand 3894 states and 4383 transitions. [2018-11-18 11:38:46,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-11-18 11:38:46,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:46,356 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 521 proven. 12 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-11-18 11:38:47,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:47,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4389 states to 3900 states and 4389 transitions. [2018-11-18 11:38:47,135 INFO L276 IsEmpty]: Start isEmpty. Operand 3900 states and 4389 transitions. [2018-11-18 11:38:47,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-11-18 11:38:47,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:47,256 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 521 proven. 12 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-11-18 11:38:48,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:48,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4405 states to 3915 states and 4405 transitions. [2018-11-18 11:38:48,213 INFO L276 IsEmpty]: Start isEmpty. Operand 3915 states and 4405 transitions. [2018-11-18 11:38:48,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-11-18 11:38:48,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:48,334 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 521 proven. 12 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-11-18 11:38:49,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:49,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4414 states to 3926 states and 4414 transitions. [2018-11-18 11:38:49,193 INFO L276 IsEmpty]: Start isEmpty. Operand 3926 states and 4414 transitions. [2018-11-18 11:38:49,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-11-18 11:38:49,195 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:49,314 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 521 proven. 12 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-11-18 11:38:49,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:49,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4418 states to 3930 states and 4418 transitions. [2018-11-18 11:38:49,876 INFO L276 IsEmpty]: Start isEmpty. Operand 3930 states and 4418 transitions. [2018-11-18 11:38:49,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-11-18 11:38:49,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:49,997 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 521 proven. 12 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-11-18 11:38:50,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:50,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4418 states to 3931 states and 4418 transitions. [2018-11-18 11:38:50,564 INFO L276 IsEmpty]: Start isEmpty. Operand 3931 states and 4418 transitions. [2018-11-18 11:38:50,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-11-18 11:38:50,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:50,686 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 521 proven. 12 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-11-18 11:38:51,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:51,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4418 states to 3932 states and 4418 transitions. [2018-11-18 11:38:51,069 INFO L276 IsEmpty]: Start isEmpty. Operand 3932 states and 4418 transitions. [2018-11-18 11:38:51,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-11-18 11:38:51,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:51,338 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 521 proven. 12 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-11-18 11:38:51,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:51,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4418 states to 3933 states and 4418 transitions. [2018-11-18 11:38:51,686 INFO L276 IsEmpty]: Start isEmpty. Operand 3933 states and 4418 transitions. [2018-11-18 11:38:51,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-11-18 11:38:51,688 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 521 proven. 12 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-11-18 11:38:52,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:52,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4424 states to 3938 states and 4424 transitions. [2018-11-18 11:38:52,386 INFO L276 IsEmpty]: Start isEmpty. Operand 3938 states and 4424 transitions. [2018-11-18 11:38:52,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-11-18 11:38:52,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:52,524 INFO L134 CoverageAnalysis]: Checked inductivity of 901 backedges. 521 proven. 12 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2018-11-18 11:38:53,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:53,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4424 states to 3939 states and 4424 transitions. [2018-11-18 11:38:53,067 INFO L276 IsEmpty]: Start isEmpty. Operand 3939 states and 4424 transitions. [2018-11-18 11:38:53,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2018-11-18 11:38:53,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:38:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:38:53,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 605 proven. 5 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2018-11-18 11:38:53,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:38:53,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4346 states to 3862 states and 4346 transitions. [2018-11-18 11:38:53,530 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 4346 transitions. [2018-11-18 11:38:53,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:38:53,532 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 235 iterations. [2018-11-18 11:38:53,538 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:38:53,726 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 44 [2018-11-18 11:38:53,839 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 11 [2018-11-18 11:38:54,045 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 43 [2018-11-18 11:38:54,239 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 43 [2018-11-18 11:38:54,360 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2018-11-18 11:38:54,517 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 11 [2018-11-18 11:38:54,826 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 43 [2018-11-18 11:38:55,003 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 43 [2018-11-18 11:38:55,581 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 11 [2018-11-18 11:38:55,714 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 11 [2018-11-18 11:38:55,825 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 11 [2018-11-18 11:38:56,076 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2018-11-18 11:38:56,256 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 43 [2018-11-18 11:38:56,358 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 11 [2018-11-18 11:38:57,030 WARN L180 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 56 [2018-11-18 11:38:57,211 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 11 [2018-11-18 11:38:57,474 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 42 [2018-11-18 11:38:57,660 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 11 [2018-11-18 11:38:57,841 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 11 [2018-11-18 11:38:58,187 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 42 [2018-11-18 11:38:58,572 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 48 [2018-11-18 11:38:58,774 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 43 [2018-11-18 11:38:59,049 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 11 [2018-11-18 11:38:59,425 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 43 [2018-11-18 11:38:59,852 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 11 [2018-11-18 11:38:59,960 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 11 [2018-11-18 11:39:00,174 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 43 [2018-11-18 11:39:00,276 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 11 [2018-11-18 11:39:00,525 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 11 [2018-11-18 11:39:00,694 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 44 [2018-11-18 11:39:00,995 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2018-11-18 11:39:01,201 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2018-11-18 11:39:01,314 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 11 [2018-11-18 11:39:01,481 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2018-11-18 11:39:01,796 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 48 [2018-11-18 11:39:01,976 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 11 [2018-11-18 11:39:02,078 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 11 [2018-11-18 11:39:02,078 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:39:02,080 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 11:39:02,086 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 11:39:02,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:39:02 ImpRootNode [2018-11-18 11:39:02,087 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:39:02,087 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:39:02,087 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:39:02,087 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:39:02,087 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:35:29" (3/4) ... [2018-11-18 11:39:02,090 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:39:02,103 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2018-11-18 11:39:02,103 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 11:39:02,104 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 11:39:02,105 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 11:39:02,183 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_52ea16ab-49ef-4f43-98af-d0839bbe8078/bin-2019/ukojak/witness.graphml [2018-11-18 11:39:02,183 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:39:02,185 INFO L168 Benchmark]: Toolchain (without parser) took 214591.06 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.7 GB). Free memory was 951.1 MB in the beginning and 1.6 GB in the end (delta: -605.6 MB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. [2018-11-18 11:39:02,185 INFO L168 Benchmark]: CDTParser took 0.13 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 11:39:02,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.22 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 916.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:39:02,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 916.2 MB in the beginning and 1.1 GB in the end (delta: -214.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:39:02,186 INFO L168 Benchmark]: Boogie Preprocessor took 42.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:39:02,186 INFO L168 Benchmark]: RCFGBuilder took 1291.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 880.0 MB in the end (delta: 240.2 MB). Peak memory consumption was 240.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:39:02,186 INFO L168 Benchmark]: CodeCheck took 212724.08 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 880.0 MB in the beginning and 1.6 GB in the end (delta: -676.7 MB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. [2018-11-18 11:39:02,187 INFO L168 Benchmark]: Witness Printer took 96.65 ms. Allocated memory is still 4.8 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:39:02,188 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, 204.1s OverallTime, 235 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 184549636 SDtfs, 1778771790 SDslu, -1325398240 SDs, 0 SdLazy, -1803919582 SolverSat, 1318062464 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 996.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 355032 GetRequests, 349147 SyntacticMatches, 3987 SemanticMatches, 1898 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2853145 ImplicationChecksByTransitivity, 174.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.8s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 16.6s InterpolantComputationTime, 56305 NumberOfCodeBlocks, 56305 NumberOfCodeBlocksAsserted, 234 NumberOfCheckSat, 56071 ConstructedInterpolants, 0 QuantifiedInterpolants, 46624693 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 234 InterpolantComputations, 152 PerfectInterpolantSequences, 77845/79028 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: 553]: 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 == 11)) || !(a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (!(a28 == 11) || a19 == 1) || !(a11 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 333.22 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 916.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 916.2 MB in the beginning and 1.1 GB in the end (delta: -214.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1291.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 880.0 MB in the end (delta: 240.2 MB). Peak memory consumption was 240.2 MB. Max. memory is 11.5 GB. * CodeCheck took 212724.08 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 880.0 MB in the beginning and 1.6 GB in the end (delta: -676.7 MB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. * Witness Printer took 96.65 ms. Allocated memory is still 4.8 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...