./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/s3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/s3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/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 43b1f6793ee5eec863ad9b535d4bdfa9eec9aa4f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/s3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/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 43b1f6793ee5eec863ad9b535d4bdfa9eec9aa4f ................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 04:59:14,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:59:14,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:59:14,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:59:14,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:59:14,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:59:14,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:59:14,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:59:14,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:59:14,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:59:14,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:59:14,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:59:14,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:59:14,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:59:14,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:59:14,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:59:14,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:59:14,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:59:14,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:59:14,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:59:14,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:59:14,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:59:14,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:59:14,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:59:14,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:59:14,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:59:14,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:59:14,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:59:14,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:59:14,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:59:14,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:59:14,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:59:14,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:59:14,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:59:14,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:59:14,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:59:14,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:59:14,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:59:14,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:59:14,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:59:14,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:59:14,129 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 04:59:14,160 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:59:14,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:59:14,174 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 04:59:14,174 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 04:59:14,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:59:14,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:59:14,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:59:14,176 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:59:14,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:59:14,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:59:14,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:59:14,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:59:14,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:59:14,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:59:14,178 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:59:14,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:59:14,178 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:59:14,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:59:14,179 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 04:59:14,179 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 04:59:14,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:59:14,180 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:59:14,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 04:59:14,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:59:14,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:59:14,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:59:14,181 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 04:59:14,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 04:59:14,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:59:14,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/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 -> 43b1f6793ee5eec863ad9b535d4bdfa9eec9aa4f [2019-11-20 04:59:14,398 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:59:14,421 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:59:14,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:59:14,426 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:59:14,427 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:59:14,428 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/ukojak/../../sv-benchmarks/c/loops/s3.i [2019-11-20 04:59:14,511 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/ukojak/data/53ce90d1a/469bfcb519d14eb38fd81840044364ec/FLAGb9b1cf689 [2019-11-20 04:59:15,201 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:59:15,202 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/sv-benchmarks/c/loops/s3.i [2019-11-20 04:59:15,242 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/ukojak/data/53ce90d1a/469bfcb519d14eb38fd81840044364ec/FLAGb9b1cf689 [2019-11-20 04:59:15,383 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/ukojak/data/53ce90d1a/469bfcb519d14eb38fd81840044364ec [2019-11-20 04:59:15,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:59:15,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:59:15,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:59:15,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:59:15,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:59:15,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:59:15" (1/1) ... [2019-11-20 04:59:15,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67e30aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:15, skipping insertion in model container [2019-11-20 04:59:15,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:59:15" (1/1) ... [2019-11-20 04:59:15,415 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:59:15,523 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:59:16,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:59:16,140 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:59:16,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:59:16,375 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:59:16,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:16 WrapperNode [2019-11-20 04:59:16,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:59:16,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:59:16,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:59:16,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:59:16,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:16" (1/1) ... [2019-11-20 04:59:16,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:16" (1/1) ... [2019-11-20 04:59:16,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:59:16,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:59:16,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:59:16,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:59:16,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:16" (1/1) ... [2019-11-20 04:59:16,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:16" (1/1) ... [2019-11-20 04:59:16,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:16" (1/1) ... [2019-11-20 04:59:16,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:16" (1/1) ... [2019-11-20 04:59:16,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:16" (1/1) ... [2019-11-20 04:59:16,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:16" (1/1) ... [2019-11-20 04:59:16,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:16" (1/1) ... [2019-11-20 04:59:16,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:59:16,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:59:16,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:59:16,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:59:16,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/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 [2019-11-20 04:59:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 04:59:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:59:16,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 04:59:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 04:59:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 04:59:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 04:59:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:59:16,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:59:17,179 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 04:59:18,253 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-11-20 04:59:18,254 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-11-20 04:59:20,796 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:59:20,797 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 04:59:20,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:59:20 BoogieIcfgContainer [2019-11-20 04:59:20,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:59:20,799 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 04:59:20,799 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 04:59:20,812 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 04:59:20,813 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:59:20" (1/1) ... [2019-11-20 04:59:20,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:59:20,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:20,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 87 states and 148 transitions. [2019-11-20 04:59:20,875 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 148 transitions. [2019-11-20 04:59:20,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 04:59:20,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:21,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:21,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:21,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 104 states and 179 transitions. [2019-11-20 04:59:21,626 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 179 transitions. [2019-11-20 04:59:21,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 04:59:21,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:21,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:21,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:21,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 105 states and 180 transitions. [2019-11-20 04:59:21,714 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 180 transitions. [2019-11-20 04:59:21,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 04:59:21,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:21,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:21,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:21,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 108 states and 185 transitions. [2019-11-20 04:59:21,815 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 185 transitions. [2019-11-20 04:59:21,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 04:59:21,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:21,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:21,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:21,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 109 states and 186 transitions. [2019-11-20 04:59:21,883 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 186 transitions. [2019-11-20 04:59:21,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 04:59:21,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:22,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 04:59:22,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:22,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 118 states and 215 transitions. [2019-11-20 04:59:22,057 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 215 transitions. [2019-11-20 04:59:22,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 04:59:22,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:22,153 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:22,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:22,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 130 states and 240 transitions. [2019-11-20 04:59:22,819 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 240 transitions. [2019-11-20 04:59:22,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 04:59:22,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:22,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:23,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:23,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 139 states and 273 transitions. [2019-11-20 04:59:23,335 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 273 transitions. [2019-11-20 04:59:23,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 04:59:23,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:23,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 04:59:23,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:23,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 140 states and 274 transitions. [2019-11-20 04:59:23,430 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 274 transitions. [2019-11-20 04:59:23,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 04:59:23,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:23,498 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:23,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:23,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 140 states and 273 transitions. [2019-11-20 04:59:23,506 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 273 transitions. [2019-11-20 04:59:23,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 04:59:23,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:23,569 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:23,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:23,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 141 states and 279 transitions. [2019-11-20 04:59:23,796 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 279 transitions. [2019-11-20 04:59:23,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 04:59:23,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:23,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:23,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:23,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 138 states and 273 transitions. [2019-11-20 04:59:23,850 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 273 transitions. [2019-11-20 04:59:23,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 04:59:23,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:23,886 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:23,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:23,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 138 states and 272 transitions. [2019-11-20 04:59:23,894 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 272 transitions. [2019-11-20 04:59:23,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 04:59:23,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:23,948 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 04:59:23,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:23,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 140 states and 274 transitions. [2019-11-20 04:59:23,978 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 274 transitions. [2019-11-20 04:59:23,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 04:59:23,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:24,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 04:59:24,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:24,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 143 states and 278 transitions. [2019-11-20 04:59:24,113 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 278 transitions. [2019-11-20 04:59:24,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 04:59:24,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:24,223 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:25,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:25,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 168 states and 332 transitions. [2019-11-20 04:59:25,208 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 332 transitions. [2019-11-20 04:59:25,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 04:59:25,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:25,249 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:25,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:25,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 170 states and 335 transitions. [2019-11-20 04:59:25,266 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 335 transitions. [2019-11-20 04:59:25,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 04:59:25,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:25,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 04:59:25,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:25,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 171 states and 336 transitions. [2019-11-20 04:59:25,341 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 336 transitions. [2019-11-20 04:59:25,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 04:59:25,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:25,380 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:25,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:25,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 172 states and 337 transitions. [2019-11-20 04:59:25,390 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 337 transitions. [2019-11-20 04:59:25,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 04:59:25,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:25,429 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:25,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:25,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 173 states and 338 transitions. [2019-11-20 04:59:25,444 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 338 transitions. [2019-11-20 04:59:25,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 04:59:25,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:25,478 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:25,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:25,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 171 states and 334 transitions. [2019-11-20 04:59:25,486 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 334 transitions. [2019-11-20 04:59:25,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 04:59:25,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:25,550 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:25,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:25,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 174 states and 339 transitions. [2019-11-20 04:59:25,565 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 339 transitions. [2019-11-20 04:59:25,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 04:59:25,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:25,708 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:27,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:27,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 190 states and 376 transitions. [2019-11-20 04:59:27,045 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 376 transitions. [2019-11-20 04:59:27,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 04:59:27,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:27,082 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:27,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:27,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 191 states and 377 transitions. [2019-11-20 04:59:27,091 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 377 transitions. [2019-11-20 04:59:27,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 04:59:27,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:27,127 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:27,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:27,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 194 states and 386 transitions. [2019-11-20 04:59:27,626 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 386 transitions. [2019-11-20 04:59:27,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 04:59:27,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:27,750 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:30,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:30,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 217 states and 445 transitions. [2019-11-20 04:59:30,346 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 445 transitions. [2019-11-20 04:59:30,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 04:59:30,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:30,487 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:30,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:30,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 220 states and 457 transitions. [2019-11-20 04:59:30,943 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 457 transitions. [2019-11-20 04:59:30,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 04:59:30,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:30,980 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:31,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:31,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 223 states and 465 transitions. [2019-11-20 04:59:31,345 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 465 transitions. [2019-11-20 04:59:31,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 04:59:31,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:31,559 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:34,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:34,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 241 states and 501 transitions. [2019-11-20 04:59:34,050 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 501 transitions. [2019-11-20 04:59:34,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 04:59:34,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:34,082 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:34,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:34,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 243 states and 506 transitions. [2019-11-20 04:59:34,474 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 506 transitions. [2019-11-20 04:59:34,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 04:59:34,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:34,536 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 04:59:34,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:34,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 247 states and 512 transitions. [2019-11-20 04:59:34,914 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 512 transitions. [2019-11-20 04:59:34,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 04:59:34,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:34,962 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:35,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:35,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 247 states and 507 transitions. [2019-11-20 04:59:35,266 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 507 transitions. [2019-11-20 04:59:35,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 04:59:35,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:35,312 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:35,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:35,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 246 states and 505 transitions. [2019-11-20 04:59:35,360 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 505 transitions. [2019-11-20 04:59:35,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 04:59:35,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:35,664 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:38,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:38,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 264 states and 546 transitions. [2019-11-20 04:59:38,232 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 546 transitions. [2019-11-20 04:59:38,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 04:59:38,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:38,439 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:41,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:41,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 283 states and 587 transitions. [2019-11-20 04:59:41,242 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 587 transitions. [2019-11-20 04:59:41,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 04:59:41,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:41,273 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:41,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:41,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 286 states and 596 transitions. [2019-11-20 04:59:41,324 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 596 transitions. [2019-11-20 04:59:41,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 04:59:41,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:41,360 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:41,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:41,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 286 states and 595 transitions. [2019-11-20 04:59:41,765 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 595 transitions. [2019-11-20 04:59:41,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 04:59:41,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:41,795 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:42,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:42,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 288 states and 602 transitions. [2019-11-20 04:59:42,294 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 602 transitions. [2019-11-20 04:59:42,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 04:59:42,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:42,337 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:42,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:42,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 290 states and 607 transitions. [2019-11-20 04:59:42,910 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 607 transitions. [2019-11-20 04:59:42,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 04:59:42,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:42,976 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:43,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:43,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 293 states and 615 transitions. [2019-11-20 04:59:43,576 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 615 transitions. [2019-11-20 04:59:43,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 04:59:43,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:43,825 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:44,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:44,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 293 states and 614 transitions. [2019-11-20 04:59:44,607 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 614 transitions. [2019-11-20 04:59:44,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 04:59:44,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:44,694 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 04:59:44,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:44,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 294 states and 615 transitions. [2019-11-20 04:59:44,732 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 615 transitions. [2019-11-20 04:59:44,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 04:59:44,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:44,780 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:44,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:44,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 292 states and 612 transitions. [2019-11-20 04:59:44,792 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 612 transitions. [2019-11-20 04:59:44,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 04:59:44,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:44,842 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 04:59:44,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:44,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 293 states and 613 transitions. [2019-11-20 04:59:44,894 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 613 transitions. [2019-11-20 04:59:44,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 04:59:44,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:44,938 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:45,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:45,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 294 states and 614 transitions. [2019-11-20 04:59:45,581 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 614 transitions. [2019-11-20 04:59:45,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 04:59:45,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:45,626 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:45,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:45,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 295 states and 615 transitions. [2019-11-20 04:59:45,648 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 615 transitions. [2019-11-20 04:59:45,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 04:59:45,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:45,878 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:46,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:46,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 295 states and 614 transitions. [2019-11-20 04:59:46,553 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 614 transitions. [2019-11-20 04:59:46,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 04:59:46,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:46,583 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:46,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:46,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 298 states and 618 transitions. [2019-11-20 04:59:46,614 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 618 transitions. [2019-11-20 04:59:46,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 04:59:46,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:47,029 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:51,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:51,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 316 states and 661 transitions. [2019-11-20 04:59:51,157 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 661 transitions. [2019-11-20 04:59:51,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 04:59:51,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:51,201 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:52,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:52,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 322 states and 669 transitions. [2019-11-20 04:59:52,054 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 669 transitions. [2019-11-20 04:59:52,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 04:59:52,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:52,324 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:52,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:52,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 322 states and 668 transitions. [2019-11-20 04:59:52,940 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 668 transitions. [2019-11-20 04:59:52,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 04:59:52,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:53,197 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:53,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 322 states and 666 transitions. [2019-11-20 04:59:53,844 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 666 transitions. [2019-11-20 04:59:53,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 04:59:53,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:53,875 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:53,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:53,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 319 states and 661 transitions. [2019-11-20 04:59:53,887 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 661 transitions. [2019-11-20 04:59:53,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 04:59:53,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:53,915 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:53,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:53,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 322 states and 672 transitions. [2019-11-20 04:59:53,948 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 672 transitions. [2019-11-20 04:59:53,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 04:59:53,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:53,977 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:55,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:55,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 324 states and 683 transitions. [2019-11-20 04:59:55,035 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 683 transitions. [2019-11-20 04:59:55,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 04:59:55,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:55,381 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:56,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:56,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 325 states and 684 transitions. [2019-11-20 04:59:56,862 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 684 transitions. [2019-11-20 04:59:56,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 04:59:56,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:56,890 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:57,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:57,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 327 states and 692 transitions. [2019-11-20 04:59:57,768 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 692 transitions. [2019-11-20 04:59:57,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 04:59:57,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:58,034 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:58,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:58,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 327 states and 691 transitions. [2019-11-20 04:59:58,726 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 691 transitions. [2019-11-20 04:59:58,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 04:59:58,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:59,003 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:59:59,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:59:59,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 327 states and 689 transitions. [2019-11-20 04:59:59,748 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 689 transitions. [2019-11-20 04:59:59,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 04:59:59,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:59:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:59:59,990 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:10,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:10,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 359 states and 757 transitions. [2019-11-20 05:00:10,273 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 757 transitions. [2019-11-20 05:00:10,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 05:00:10,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:10,315 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 05:00:11,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:11,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 367 states and 779 transitions. [2019-11-20 05:00:11,039 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 779 transitions. [2019-11-20 05:00:11,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 05:00:11,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:11,384 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:17,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:17,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 387 states and 822 transitions. [2019-11-20 05:00:17,095 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 822 transitions. [2019-11-20 05:00:17,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 05:00:17,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:17,122 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:17,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:17,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 388 states and 823 transitions. [2019-11-20 05:00:17,136 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 823 transitions. [2019-11-20 05:00:17,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 05:00:17,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:17,171 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:17,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:17,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 389 states and 824 transitions. [2019-11-20 05:00:17,921 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 824 transitions. [2019-11-20 05:00:17,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 05:00:17,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:17,946 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:23,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:23,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 393 states and 840 transitions. [2019-11-20 05:00:23,913 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 840 transitions. [2019-11-20 05:00:23,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 05:00:23,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:23,946 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:25,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:25,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 401 states and 866 transitions. [2019-11-20 05:00:25,358 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 866 transitions. [2019-11-20 05:00:25,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 05:00:25,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:25,396 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 05:00:25,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:25,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 402 states and 867 transitions. [2019-11-20 05:00:25,414 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 867 transitions. [2019-11-20 05:00:25,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 05:00:25,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:25,773 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:28,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:28,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 404 states and 876 transitions. [2019-11-20 05:00:28,030 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 876 transitions. [2019-11-20 05:00:28,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 05:00:28,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:28,119 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:28,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:28,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 404 states and 875 transitions. [2019-11-20 05:00:28,902 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 875 transitions. [2019-11-20 05:00:28,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 05:00:28,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:28,934 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 05:00:28,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:28,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 407 states and 882 transitions. [2019-11-20 05:00:28,990 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 882 transitions. [2019-11-20 05:00:28,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 05:00:28,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:29,015 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:29,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:29,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 408 states and 883 transitions. [2019-11-20 05:00:29,030 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 883 transitions. [2019-11-20 05:00:29,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 05:00:29,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:29,061 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:29,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:29,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 408 states and 882 transitions. [2019-11-20 05:00:29,083 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 882 transitions. [2019-11-20 05:00:29,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 05:00:29,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:29,112 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:29,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:29,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 405 states and 873 transitions. [2019-11-20 05:00:29,152 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 873 transitions. [2019-11-20 05:00:29,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 05:00:29,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:29,186 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:29,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:29,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 402 states and 867 transitions. [2019-11-20 05:00:29,200 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 867 transitions. [2019-11-20 05:00:29,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 05:00:29,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:29,584 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:30,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:30,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 402 states and 866 transitions. [2019-11-20 05:00:30,590 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 866 transitions. [2019-11-20 05:00:30,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 05:00:30,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:30,621 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 05:00:30,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:30,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 403 states and 867 transitions. [2019-11-20 05:00:30,665 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 867 transitions. [2019-11-20 05:00:30,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 05:00:30,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:30,692 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:30,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:30,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 404 states and 868 transitions. [2019-11-20 05:00:30,705 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 868 transitions. [2019-11-20 05:00:30,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 05:00:30,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:30,736 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 05:00:30,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:30,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 409 states and 876 transitions. [2019-11-20 05:00:30,829 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 876 transitions. [2019-11-20 05:00:30,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 05:00:30,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:30,868 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:33,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:33,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 412 states and 884 transitions. [2019-11-20 05:00:33,341 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 884 transitions. [2019-11-20 05:00:33,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 05:00:33,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:33,375 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:33,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:33,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 415 states and 896 transitions. [2019-11-20 05:00:33,919 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 896 transitions. [2019-11-20 05:00:33,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 05:00:33,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:33,946 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:33,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:33,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 415 states and 895 transitions. [2019-11-20 05:00:33,972 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 895 transitions. [2019-11-20 05:00:33,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 05:00:33,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:34,462 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:35,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:35,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 415 states and 894 transitions. [2019-11-20 05:00:35,642 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 894 transitions. [2019-11-20 05:00:35,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 05:00:35,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:35,665 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:35,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:35,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 418 states and 899 transitions. [2019-11-20 05:00:35,691 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 899 transitions. [2019-11-20 05:00:35,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 05:00:35,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:35,726 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 05:00:35,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:35,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 419 states and 900 transitions. [2019-11-20 05:00:35,775 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 900 transitions. [2019-11-20 05:00:35,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 05:00:35,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:35,804 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:35,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:35,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 420 states and 901 transitions. [2019-11-20 05:00:35,818 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 901 transitions. [2019-11-20 05:00:35,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 05:00:35,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:35,855 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 05:00:38,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:38,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 423 states and 905 transitions. [2019-11-20 05:00:38,063 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 905 transitions. [2019-11-20 05:00:38,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 05:00:38,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:38,568 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:40,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:40,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 423 states and 904 transitions. [2019-11-20 05:00:40,112 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 904 transitions. [2019-11-20 05:00:40,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 05:00:40,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:40,142 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:43,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:43,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 423 states and 903 transitions. [2019-11-20 05:00:43,970 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 903 transitions. [2019-11-20 05:00:43,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 05:00:43,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:43,993 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:44,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:44,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 424 states and 904 transitions. [2019-11-20 05:00:44,008 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 904 transitions. [2019-11-20 05:00:44,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 05:00:44,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:44,039 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 05:00:44,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:44,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 427 states and 909 transitions. [2019-11-20 05:00:44,125 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 909 transitions. [2019-11-20 05:00:44,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 05:00:44,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:44,191 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 05:00:44,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:44,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 428 states and 910 transitions. [2019-11-20 05:00:44,207 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 910 transitions. [2019-11-20 05:00:44,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 05:00:44,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:44,244 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:45,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:45,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 427 states and 908 transitions. [2019-11-20 05:00:45,118 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 908 transitions. [2019-11-20 05:00:45,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 05:00:45,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:45,471 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:46,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:46,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 427 states and 907 transitions. [2019-11-20 05:00:46,533 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 907 transitions. [2019-11-20 05:00:46,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 05:00:46,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:46,895 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:47,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:47,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 427 states and 905 transitions. [2019-11-20 05:00:47,978 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 905 transitions. [2019-11-20 05:00:47,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 05:00:47,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:47,997 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:48,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:48,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 430 states and 910 transitions. [2019-11-20 05:00:48,011 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 910 transitions. [2019-11-20 05:00:48,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 05:00:48,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:48,041 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 05:00:48,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:48,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 431 states and 911 transitions. [2019-11-20 05:00:48,066 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 911 transitions. [2019-11-20 05:00:48,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 05:00:48,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:48,093 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:51,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:51,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 447 states and 942 transitions. [2019-11-20 05:00:51,046 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 942 transitions. [2019-11-20 05:00:51,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 05:00:51,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:51,078 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 05:00:52,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:52,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 450 states and 946 transitions. [2019-11-20 05:00:52,632 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 946 transitions. [2019-11-20 05:00:52,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 05:00:52,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:53,004 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:54,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:54,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 450 states and 945 transitions. [2019-11-20 05:00:54,177 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 945 transitions. [2019-11-20 05:00:54,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 05:00:54,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:55,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:55,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 450 states and 944 transitions. [2019-11-20 05:00:55,804 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 944 transitions. [2019-11-20 05:00:55,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 05:00:55,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:55,830 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:55,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:55,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 451 states and 945 transitions. [2019-11-20 05:00:55,839 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 945 transitions. [2019-11-20 05:00:55,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 05:00:55,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:55,882 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 05:00:55,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:55,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 452 states and 946 transitions. [2019-11-20 05:00:55,905 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 946 transitions. [2019-11-20 05:00:55,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 05:00:55,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:55,939 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 05:00:55,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:55,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 455 states and 950 transitions. [2019-11-20 05:00:55,977 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 950 transitions. [2019-11-20 05:00:55,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 05:00:55,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:56,009 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 05:00:56,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:56,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 460 states and 959 transitions. [2019-11-20 05:00:56,048 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 959 transitions. [2019-11-20 05:00:56,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 05:00:56,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:56,079 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 05:00:57,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:57,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 464 states and 965 transitions. [2019-11-20 05:00:57,027 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 965 transitions. [2019-11-20 05:00:57,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 05:00:57,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:57,369 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:57,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:57,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 467 states and 976 transitions. [2019-11-20 05:00:57,778 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 976 transitions. [2019-11-20 05:00:57,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 05:00:57,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:57,810 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:57,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:57,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 472 states and 985 transitions. [2019-11-20 05:00:57,826 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 985 transitions. [2019-11-20 05:00:57,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 05:00:57,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:57,863 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 05:00:57,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:57,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 473 states and 986 transitions. [2019-11-20 05:00:57,898 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 986 transitions. [2019-11-20 05:00:57,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 05:00:57,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:57,930 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:58,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:58,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 477 states and 992 transitions. [2019-11-20 05:00:58,283 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 992 transitions. [2019-11-20 05:00:58,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 05:00:58,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:58,319 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:58,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:58,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 480 states and 998 transitions. [2019-11-20 05:00:58,341 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 998 transitions. [2019-11-20 05:00:58,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 05:00:58,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:58,378 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 05:00:59,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:59,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 481 states and 998 transitions. [2019-11-20 05:00:59,129 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 998 transitions. [2019-11-20 05:00:59,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 05:00:59,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:59,148 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:00:59,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:59,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 482 states and 999 transitions. [2019-11-20 05:00:59,162 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 999 transitions. [2019-11-20 05:00:59,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 05:00:59,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:59,192 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 05:00:59,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:59,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 485 states and 1004 transitions. [2019-11-20 05:00:59,257 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 1004 transitions. [2019-11-20 05:00:59,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 05:00:59,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:59,293 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 05:00:59,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:00:59,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 491 states and 1020 transitions. [2019-11-20 05:00:59,895 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 1020 transitions. [2019-11-20 05:00:59,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 05:00:59,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:00:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:00:59,929 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 05:01:01,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:01,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 497 states and 1032 transitions. [2019-11-20 05:01:01,740 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 1032 transitions. [2019-11-20 05:01:01,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 05:01:01,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:01,765 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:01:01,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:01,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 494 states and 1021 transitions. [2019-11-20 05:01:01,774 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 1021 transitions. [2019-11-20 05:01:01,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 05:01:01,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:01,808 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 05:01:02,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:02,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 495 states and 1021 transitions. [2019-11-20 05:01:02,238 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 1021 transitions. [2019-11-20 05:01:02,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 05:01:02,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:02,265 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:01:02,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:02,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 498 states and 1026 transitions. [2019-11-20 05:01:02,283 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 1026 transitions. [2019-11-20 05:01:02,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 05:01:02,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:02,320 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 05:01:02,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:02,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 499 states and 1027 transitions. [2019-11-20 05:01:02,360 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 1027 transitions. [2019-11-20 05:01:02,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 05:01:02,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:02,384 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:01:02,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:02,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 505 states and 1052 transitions. [2019-11-20 05:01:02,473 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 1052 transitions. [2019-11-20 05:01:02,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 05:01:02,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:02,508 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 05:01:02,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:02,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 506 states and 1053 transitions. [2019-11-20 05:01:02,528 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 1053 transitions. [2019-11-20 05:01:02,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 05:01:02,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:02,556 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:01:02,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:02,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 508 states and 1055 transitions. [2019-11-20 05:01:02,579 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 1055 transitions. [2019-11-20 05:01:02,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 05:01:02,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:02,613 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 05:01:03,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:03,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 508 states and 1051 transitions. [2019-11-20 05:01:03,360 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 1051 transitions. [2019-11-20 05:01:03,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 05:01:03,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:03,380 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:01:03,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:03,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 509 states and 1052 transitions. [2019-11-20 05:01:03,390 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 1052 transitions. [2019-11-20 05:01:03,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 05:01:03,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:03,418 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 05:01:03,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:03,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 512 states and 1057 transitions. [2019-11-20 05:01:03,473 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1057 transitions. [2019-11-20 05:01:03,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 05:01:03,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:03,500 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:01:03,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:03,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 512 states and 1056 transitions. [2019-11-20 05:01:03,515 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1056 transitions. [2019-11-20 05:01:03,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 05:01:03,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:03,539 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:01:03,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:03,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 512 states and 1052 transitions. [2019-11-20 05:01:03,596 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1052 transitions. [2019-11-20 05:01:03,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 05:01:03,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:03,628 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:01:03,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:03,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 513 states and 1053 transitions. [2019-11-20 05:01:03,646 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 1053 transitions. [2019-11-20 05:01:03,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 05:01:03,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:03,693 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:01:03,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:03,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 514 states and 1055 transitions. [2019-11-20 05:01:03,754 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 1055 transitions. [2019-11-20 05:01:03,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 05:01:03,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:03,788 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:01:03,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:03,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 512 states and 1052 transitions. [2019-11-20 05:01:03,803 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1052 transitions. [2019-11-20 05:01:03,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 05:01:03,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:03,839 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:01:03,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:03,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 513 states and 1055 transitions. [2019-11-20 05:01:03,907 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 1055 transitions. [2019-11-20 05:01:03,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 05:01:03,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:03,934 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 05:01:03,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:03,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 514 states and 1056 transitions. [2019-11-20 05:01:03,966 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 1056 transitions. [2019-11-20 05:01:03,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 05:01:03,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:03,987 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:01:04,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:04,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 517 states and 1061 transitions. [2019-11-20 05:01:04,003 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 1061 transitions. [2019-11-20 05:01:04,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 05:01:04,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:04,031 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:01:04,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:04,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 517 states and 1060 transitions. [2019-11-20 05:01:04,055 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 1060 transitions. [2019-11-20 05:01:04,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 05:01:04,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:04,097 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 05:01:04,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:04,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 520 states and 1066 transitions. [2019-11-20 05:01:04,976 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 1066 transitions. [2019-11-20 05:01:04,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 05:01:04,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:05,001 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:01:05,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:05,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 522 states and 1070 transitions. [2019-11-20 05:01:05,891 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 1070 transitions. [2019-11-20 05:01:05,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 05:01:05,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:05,911 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:01:05,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:05,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 525 states and 1074 transitions. [2019-11-20 05:01:05,936 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 1074 transitions. [2019-11-20 05:01:05,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 05:01:05,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:05,957 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:01:05,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:05,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 526 states and 1075 transitions. [2019-11-20 05:01:05,969 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1075 transitions. [2019-11-20 05:01:05,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 05:01:05,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:07,379 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 05:01:16,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:16,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 544 states and 1115 transitions. [2019-11-20 05:01:16,434 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 1115 transitions. [2019-11-20 05:01:16,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 05:01:16,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:16,466 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 05:01:16,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:16,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 545 states and 1116 transitions. [2019-11-20 05:01:16,504 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 1116 transitions. [2019-11-20 05:01:16,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 05:01:16,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:16,537 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:01:17,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:17,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 545 states and 1115 transitions. [2019-11-20 05:01:17,567 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 1115 transitions. [2019-11-20 05:01:17,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 05:01:17,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:17,598 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:01:18,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:18,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 545 states and 1114 transitions. [2019-11-20 05:01:18,361 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 1114 transitions. [2019-11-20 05:01:18,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 05:01:18,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:18,380 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:01:18,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:18,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 542 states and 1107 transitions. [2019-11-20 05:01:18,390 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 1107 transitions. [2019-11-20 05:01:18,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 05:01:18,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:18,413 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:01:20,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:20,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 543 states and 1118 transitions. [2019-11-20 05:01:20,801 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1118 transitions. [2019-11-20 05:01:20,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 05:01:20,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:21,200 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 05:01:23,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:23,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 544 states and 1119 transitions. [2019-11-20 05:01:23,714 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 1119 transitions. [2019-11-20 05:01:23,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 05:01:23,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:23,734 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:01:24,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:24,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 545 states and 1121 transitions. [2019-11-20 05:01:24,833 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 1121 transitions. [2019-11-20 05:01:24,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 05:01:24,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:24,858 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:01:25,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:25,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 547 states and 1127 transitions. [2019-11-20 05:01:25,963 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 1127 transitions. [2019-11-20 05:01:25,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 05:01:25,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:25,999 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:01:26,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:26,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 547 states and 1126 transitions. [2019-11-20 05:01:26,022 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 1126 transitions. [2019-11-20 05:01:26,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 05:01:26,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:26,189 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 05:01:26,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:26,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 548 states and 1127 transitions. [2019-11-20 05:01:26,222 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 1127 transitions. [2019-11-20 05:01:26,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 05:01:26,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:26,254 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:01:27,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:27,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 551 states and 1132 transitions. [2019-11-20 05:01:27,144 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 1132 transitions. [2019-11-20 05:01:27,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 05:01:27,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:27,169 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:01:27,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:27,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 551 states and 1131 transitions. [2019-11-20 05:01:27,198 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 1131 transitions. [2019-11-20 05:01:27,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 05:01:27,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:27,228 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:01:27,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:27,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 551 states and 1127 transitions. [2019-11-20 05:01:27,259 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 1127 transitions. [2019-11-20 05:01:27,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 05:01:27,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:27,295 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 05:01:27,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:27,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 553 states and 1132 transitions. [2019-11-20 05:01:27,736 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 1132 transitions. [2019-11-20 05:01:27,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 05:01:27,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:28,273 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 05:01:38,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:38,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 573 states and 1175 transitions. [2019-11-20 05:01:38,739 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1175 transitions. [2019-11-20 05:01:38,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 05:01:38,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:38,767 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:01:38,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:38,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 573 states and 1174 transitions. [2019-11-20 05:01:38,797 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1174 transitions. [2019-11-20 05:01:38,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 05:01:38,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:38,829 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:01:39,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:39,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 574 states and 1175 transitions. [2019-11-20 05:01:39,364 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 1175 transitions. [2019-11-20 05:01:39,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 05:01:39,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:39,385 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:01:39,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:39,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 575 states and 1176 transitions. [2019-11-20 05:01:39,401 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1176 transitions. [2019-11-20 05:01:39,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 05:01:39,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:39,860 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 05:01:41,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:41,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 575 states and 1173 transitions. [2019-11-20 05:01:41,347 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1173 transitions. [2019-11-20 05:01:41,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 05:01:41,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:41,368 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 05:01:50,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:50,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 575 states and 1172 transitions. [2019-11-20 05:01:50,667 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1172 transitions. [2019-11-20 05:01:50,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 05:01:50,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:50,695 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 05:01:50,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:50,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 578 states and 1179 transitions. [2019-11-20 05:01:50,758 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 1179 transitions. [2019-11-20 05:01:50,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 05:01:50,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:51,298 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 05:01:54,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:54,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 579 states and 1182 transitions. [2019-11-20 05:01:54,244 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1182 transitions. [2019-11-20 05:01:54,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 05:01:54,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:54,280 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 05:01:56,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:56,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 580 states and 1184 transitions. [2019-11-20 05:01:56,337 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1184 transitions. [2019-11-20 05:01:56,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 05:01:56,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:56,376 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 05:01:57,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:57,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 581 states and 1186 transitions. [2019-11-20 05:01:57,221 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 1186 transitions. [2019-11-20 05:01:57,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 05:01:57,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:57,248 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 05:01:57,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:57,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 582 states and 1187 transitions. [2019-11-20 05:01:57,348 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1187 transitions. [2019-11-20 05:01:57,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 05:01:57,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:57,375 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 05:01:57,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:57,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 583 states and 1188 transitions. [2019-11-20 05:01:57,400 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 1188 transitions. [2019-11-20 05:01:57,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 05:01:57,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:57,428 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:01:57,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:57,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 588 states and 1196 transitions. [2019-11-20 05:01:57,516 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 1196 transitions. [2019-11-20 05:01:57,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 05:01:57,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:57,539 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:01:58,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:58,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 588 states and 1195 transitions. [2019-11-20 05:01:58,398 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 1195 transitions. [2019-11-20 05:01:58,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 05:01:58,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:01:58,420 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:01:59,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:01:59,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 590 states and 1197 transitions. [2019-11-20 05:01:59,464 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 1197 transitions. [2019-11-20 05:01:59,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 05:01:59,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:01:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:02,188 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 34 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:02:11,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:11,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 597 states and 1213 transitions. [2019-11-20 05:02:11,219 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1213 transitions. [2019-11-20 05:02:11,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 05:02:11,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:11,751 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 05:02:21,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:21,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 614 states and 1247 transitions. [2019-11-20 05:02:21,332 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 1247 transitions. [2019-11-20 05:02:21,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 05:02:21,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:21,370 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 05:02:23,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:23,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 617 states and 1251 transitions. [2019-11-20 05:02:23,070 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 1251 transitions. [2019-11-20 05:02:23,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 05:02:23,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:23,095 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:02:23,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:23,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 620 states and 1256 transitions. [2019-11-20 05:02:23,134 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 1256 transitions. [2019-11-20 05:02:23,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 05:02:23,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:23,159 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:02:23,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:23,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 621 states and 1257 transitions. [2019-11-20 05:02:23,175 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 1257 transitions. [2019-11-20 05:02:23,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 05:02:23,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:23,621 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:02:42,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:42,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 648 states and 1327 transitions. [2019-11-20 05:02:42,278 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1327 transitions. [2019-11-20 05:02:42,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 05:02:42,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:42,324 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 05:02:54,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:54,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 658 states and 1339 transitions. [2019-11-20 05:02:54,861 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1339 transitions. [2019-11-20 05:02:54,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 05:02:54,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:54,909 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 05:02:54,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:54,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 659 states and 1339 transitions. [2019-11-20 05:02:54,955 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 1339 transitions. [2019-11-20 05:02:54,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 05:02:54,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:54,985 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:02:55,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:55,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 660 states and 1340 transitions. [2019-11-20 05:02:55,004 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1340 transitions. [2019-11-20 05:02:55,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 05:02:55,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:55,038 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:02:55,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:55,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 663 states and 1345 transitions. [2019-11-20 05:02:55,098 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 1345 transitions. [2019-11-20 05:02:55,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 05:02:55,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:55,120 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:02:56,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:56,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 664 states and 1348 transitions. [2019-11-20 05:02:56,860 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 1348 transitions. [2019-11-20 05:02:56,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 05:02:56,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:02:58,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:58,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 665 states and 1351 transitions. [2019-11-20 05:02:58,277 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1351 transitions. [2019-11-20 05:02:58,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 05:02:58,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:58,306 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:03:04,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:03:04,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 668 states and 1358 transitions. [2019-11-20 05:03:04,534 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1358 transitions. [2019-11-20 05:03:04,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 05:03:04,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:03:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:03:05,052 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:03:19,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:03:19,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 685 states and 1389 transitions. [2019-11-20 05:03:19,947 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1389 transitions. [2019-11-20 05:03:19,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 05:03:19,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:03:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:03:20,839 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 05:03:24,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:03:24,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 688 states and 1393 transitions. [2019-11-20 05:03:24,416 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1393 transitions. [2019-11-20 05:03:24,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 05:03:24,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:03:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:03:24,438 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:03:24,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:03:24,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 691 states and 1398 transitions. [2019-11-20 05:03:24,461 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1398 transitions. [2019-11-20 05:03:24,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 05:03:24,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:03:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:03:24,493 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:03:24,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:03:24,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 692 states and 1399 transitions. [2019-11-20 05:03:24,522 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1399 transitions. [2019-11-20 05:03:24,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 05:03:24,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:03:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:03:24,559 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:03:24,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:03:24,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 693 states and 1401 transitions. [2019-11-20 05:03:24,746 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1401 transitions. [2019-11-20 05:03:24,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 05:03:24,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:03:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:03:24,783 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:03:26,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:03:26,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 698 states and 1410 transitions. [2019-11-20 05:03:26,028 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1410 transitions. [2019-11-20 05:03:26,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 05:03:26,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:03:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:03:26,048 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:03:27,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:03:27,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 699 states and 1412 transitions. [2019-11-20 05:03:27,411 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1412 transitions. [2019-11-20 05:03:27,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 05:03:27,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:03:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:03:27,441 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:03:30,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:03:30,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 703 states and 1418 transitions. [2019-11-20 05:03:30,180 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1418 transitions. [2019-11-20 05:03:30,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 05:03:30,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:03:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:03:30,212 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:03:30,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:03:30,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 704 states and 1419 transitions. [2019-11-20 05:03:30,227 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1419 transitions. [2019-11-20 05:03:30,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 05:03:30,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:03:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:03:30,264 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:03:35,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:03:35,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 707 states and 1428 transitions. [2019-11-20 05:03:35,281 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1428 transitions. [2019-11-20 05:03:35,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 05:03:35,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:03:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:03:35,309 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:03:38,007 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-11-20 05:03:40,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:03:40,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 723 states and 1460 transitions. [2019-11-20 05:03:40,515 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1460 transitions. [2019-11-20 05:03:40,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 05:03:40,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:03:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:03:41,175 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 05:03:45,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:03:45,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 724 states and 1459 transitions. [2019-11-20 05:03:45,186 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1459 transitions. [2019-11-20 05:03:45,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 05:03:45,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:03:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:03:45,779 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 05:04:06,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:06,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 747 states and 1515 transitions. [2019-11-20 05:04:06,026 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1515 transitions. [2019-11-20 05:04:06,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 05:04:06,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:06,049 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:04:07,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:07,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 752 states and 1525 transitions. [2019-11-20 05:04:07,301 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1525 transitions. [2019-11-20 05:04:07,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 05:04:07,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:07,326 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:04:08,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:08,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 753 states and 1527 transitions. [2019-11-20 05:04:08,955 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1527 transitions. [2019-11-20 05:04:08,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 05:04:08,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:08,978 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:04:10,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:10,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 754 states and 1528 transitions. [2019-11-20 05:04:10,392 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1528 transitions. [2019-11-20 05:04:10,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 05:04:10,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:10,414 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:04:16,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:16,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 757 states and 1536 transitions. [2019-11-20 05:04:16,164 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1536 transitions. [2019-11-20 05:04:16,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 05:04:16,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:16,203 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:04:17,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:17,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 761 states and 1541 transitions. [2019-11-20 05:04:17,644 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1541 transitions. [2019-11-20 05:04:17,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 05:04:17,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:17,674 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 05:04:19,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:19,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 762 states and 1545 transitions. [2019-11-20 05:04:19,576 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1545 transitions. [2019-11-20 05:04:19,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 05:04:19,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:19,612 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 05:04:21,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:21,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 763 states and 1548 transitions. [2019-11-20 05:04:21,334 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1548 transitions. [2019-11-20 05:04:21,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 05:04:21,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:21,355 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:04:23,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:23,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 764 states and 1551 transitions. [2019-11-20 05:04:23,332 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1551 transitions. [2019-11-20 05:04:23,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 05:04:23,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:23,356 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:04:25,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:25,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 765 states and 1551 transitions. [2019-11-20 05:04:25,026 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1551 transitions. [2019-11-20 05:04:25,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 05:04:25,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:25,048 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:04:31,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:31,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 761 states and 1540 transitions. [2019-11-20 05:04:31,202 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1540 transitions. [2019-11-20 05:04:31,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 05:04:31,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:31,226 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:04:32,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:32,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 765 states and 1546 transitions. [2019-11-20 05:04:32,493 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1546 transitions. [2019-11-20 05:04:32,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 05:04:32,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:32,516 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:04:33,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:33,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 765 states and 1545 transitions. [2019-11-20 05:04:33,764 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1545 transitions. [2019-11-20 05:04:33,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 05:04:33,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:33,791 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:04:33,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:33,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 770 states and 1558 transitions. [2019-11-20 05:04:33,825 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1558 transitions. [2019-11-20 05:04:33,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 05:04:33,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:33,855 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:04:35,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:35,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 774 states and 1568 transitions. [2019-11-20 05:04:35,319 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1568 transitions. [2019-11-20 05:04:35,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 05:04:35,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:35,346 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:04:35,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:35,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 776 states and 1573 transitions. [2019-11-20 05:04:35,617 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1573 transitions. [2019-11-20 05:04:35,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 05:04:35,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:35,649 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:04:37,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:37,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 778 states and 1580 transitions. [2019-11-20 05:04:37,293 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1580 transitions. [2019-11-20 05:04:37,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 05:04:37,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:37,316 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:04:37,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:37,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 783 states and 1590 transitions. [2019-11-20 05:04:37,334 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1590 transitions. [2019-11-20 05:04:37,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 05:04:37,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:37,372 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:04:37,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:37,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 784 states and 1591 transitions. [2019-11-20 05:04:37,435 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1591 transitions. [2019-11-20 05:04:37,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 05:04:37,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:37,471 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:04:38,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:38,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 788 states and 1598 transitions. [2019-11-20 05:04:38,188 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1598 transitions. [2019-11-20 05:04:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 05:04:38,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:38,216 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:04:39,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:39,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 790 states and 1602 transitions. [2019-11-20 05:04:39,335 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1602 transitions. [2019-11-20 05:04:39,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 05:04:39,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:39,365 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:04:39,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:39,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 793 states and 1610 transitions. [2019-11-20 05:04:39,663 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1610 transitions. [2019-11-20 05:04:39,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 05:04:39,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:39,698 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:04:41,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:41,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 794 states and 1610 transitions. [2019-11-20 05:04:41,477 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1610 transitions. [2019-11-20 05:04:41,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 05:04:41,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:41,503 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:04:43,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:43,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 795 states and 1610 transitions. [2019-11-20 05:04:43,091 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1610 transitions. [2019-11-20 05:04:43,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 05:04:43,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:43,121 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 05:04:46,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:46,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 798 states and 1614 transitions. [2019-11-20 05:04:46,012 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1614 transitions. [2019-11-20 05:04:46,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 05:04:46,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:46,048 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:04:46,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:46,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 799 states and 1615 transitions. [2019-11-20 05:04:46,073 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1615 transitions. [2019-11-20 05:04:46,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 05:04:46,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:46,101 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:04:46,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:46,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 802 states and 1620 transitions. [2019-11-20 05:04:46,153 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1620 transitions. [2019-11-20 05:04:46,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 05:04:46,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:46,184 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:04:46,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:46,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1621 states to 803 states and 1621 transitions. [2019-11-20 05:04:46,341 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1621 transitions. [2019-11-20 05:04:46,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 05:04:46,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:46,371 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:04:46,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:46,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 808 states and 1629 transitions. [2019-11-20 05:04:46,624 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1629 transitions. [2019-11-20 05:04:46,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 05:04:46,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:46,647 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:04:47,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:47,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 805 states and 1622 transitions. [2019-11-20 05:04:47,916 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1622 transitions. [2019-11-20 05:04:47,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 05:04:47,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:47,939 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:04:49,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:49,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 806 states and 1622 transitions. [2019-11-20 05:04:49,209 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1622 transitions. [2019-11-20 05:04:49,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 05:04:49,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:49,245 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:04:51,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:51,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 808 states and 1628 transitions. [2019-11-20 05:04:51,214 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1628 transitions. [2019-11-20 05:04:51,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 05:04:51,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:51,262 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 05:04:51,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:51,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 809 states and 1628 transitions. [2019-11-20 05:04:51,854 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1628 transitions. [2019-11-20 05:04:51,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 05:04:51,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:51,877 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:04:51,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:51,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 812 states and 1633 transitions. [2019-11-20 05:04:51,901 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1633 transitions. [2019-11-20 05:04:51,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 05:04:51,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:51,928 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:04:51,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:51,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 813 states and 1634 transitions. [2019-11-20 05:04:51,961 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1634 transitions. [2019-11-20 05:04:51,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-20 05:04:51,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:51,985 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:04:52,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:52,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 816 states and 1639 transitions. [2019-11-20 05:04:52,023 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1639 transitions. [2019-11-20 05:04:52,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-20 05:04:52,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:52,051 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:04:52,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:52,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 817 states and 1640 transitions. [2019-11-20 05:04:52,100 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1640 transitions. [2019-11-20 05:04:52,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-20 05:04:52,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:52,129 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:04:52,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:52,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 818 states and 1641 transitions. [2019-11-20 05:04:52,155 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1641 transitions. [2019-11-20 05:04:52,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-20 05:04:52,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:52,193 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:04:52,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:52,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 821 states and 1649 transitions. [2019-11-20 05:04:52,324 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1649 transitions. [2019-11-20 05:04:52,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 05:04:52,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:53,239 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 05:04:55,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:55,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 821 states and 1648 transitions. [2019-11-20 05:04:55,513 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1648 transitions. [2019-11-20 05:04:55,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 05:04:55,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:55,537 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:04:55,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:55,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 822 states and 1649 transitions. [2019-11-20 05:04:55,553 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1649 transitions. [2019-11-20 05:04:55,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 05:04:55,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:55,583 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:04:55,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:55,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 825 states and 1654 transitions. [2019-11-20 05:04:55,649 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1654 transitions. [2019-11-20 05:04:55,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 05:04:55,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:55,676 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:04:55,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:55,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 826 states and 1655 transitions. [2019-11-20 05:04:55,714 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1655 transitions. [2019-11-20 05:04:55,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 05:04:55,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:55,738 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:04:55,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:55,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 829 states and 1661 transitions. [2019-11-20 05:04:55,770 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1661 transitions. [2019-11-20 05:04:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-20 05:04:55,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:56,597 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 05:04:59,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:59,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 829 states and 1660 transitions. [2019-11-20 05:04:59,063 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1660 transitions. [2019-11-20 05:04:59,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-20 05:04:59,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:59,088 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:04:59,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:59,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 832 states and 1665 transitions. [2019-11-20 05:04:59,115 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1665 transitions. [2019-11-20 05:04:59,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-20 05:04:59,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:59,144 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:04:59,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:59,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 833 states and 1666 transitions. [2019-11-20 05:04:59,179 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1666 transitions. [2019-11-20 05:04:59,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-20 05:04:59,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:59,203 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:04:59,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:04:59,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 834 states and 1667 transitions. [2019-11-20 05:04:59,221 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1667 transitions. [2019-11-20 05:04:59,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 05:04:59,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:04:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:04:59,258 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 05:05:00,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:00,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 842 states and 1700 transitions. [2019-11-20 05:05:00,502 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1700 transitions. [2019-11-20 05:05:00,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 05:05:00,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:00,534 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 05:05:02,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:02,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 845 states and 1706 transitions. [2019-11-20 05:05:02,016 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1706 transitions. [2019-11-20 05:05:02,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 05:05:02,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:02,039 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:05:02,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:02,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 846 states and 1707 transitions. [2019-11-20 05:05:02,064 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1707 transitions. [2019-11-20 05:05:02,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 05:05:02,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:02,093 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 05:05:06,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:06,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 854 states and 1745 transitions. [2019-11-20 05:05:06,634 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1745 transitions. [2019-11-20 05:05:06,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 05:05:06,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:06,667 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 05:05:06,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 855 states and 1746 transitions. [2019-11-20 05:05:06,707 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1746 transitions. [2019-11-20 05:05:06,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 05:05:06,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:06,738 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 05:05:06,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:06,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 856 states and 1747 transitions. [2019-11-20 05:05:06,772 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1747 transitions. [2019-11-20 05:05:06,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 05:05:06,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:06,795 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 05:05:06,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:06,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 856 states and 1746 transitions. [2019-11-20 05:05:06,849 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1746 transitions. [2019-11-20 05:05:06,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 05:05:06,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:06,874 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 05:05:08,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:08,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 856 states and 1745 transitions. [2019-11-20 05:05:08,237 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1745 transitions. [2019-11-20 05:05:08,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 05:05:08,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:08,271 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 05:05:09,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:09,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 860 states and 1753 transitions. [2019-11-20 05:05:09,882 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1753 transitions. [2019-11-20 05:05:09,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 05:05:09,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:09,907 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 05:05:09,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:09,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 860 states and 1752 transitions. [2019-11-20 05:05:09,927 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1752 transitions. [2019-11-20 05:05:09,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 05:05:09,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:09,962 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 05:05:10,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:10,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 861 states and 1754 transitions. [2019-11-20 05:05:10,030 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1754 transitions. [2019-11-20 05:05:10,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 05:05:10,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:10,066 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 05:05:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:10,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 861 states and 1752 transitions. [2019-11-20 05:05:10,087 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1752 transitions. [2019-11-20 05:05:10,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 05:05:10,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:10,120 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 05:05:10,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:10,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 862 states and 1753 transitions. [2019-11-20 05:05:10,134 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1753 transitions. [2019-11-20 05:05:10,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 05:05:10,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:10,159 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 05:05:10,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:10,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 862 states and 1752 transitions. [2019-11-20 05:05:10,180 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1752 transitions. [2019-11-20 05:05:10,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 05:05:10,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:10,206 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 05:05:10,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:10,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 862 states and 1751 transitions. [2019-11-20 05:05:10,226 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1751 transitions. [2019-11-20 05:05:10,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 05:05:10,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:10,253 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 05:05:10,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:10,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 862 states and 1747 transitions. [2019-11-20 05:05:10,288 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1747 transitions. [2019-11-20 05:05:10,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 05:05:10,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:10,313 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 05:05:10,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:10,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 862 states and 1743 transitions. [2019-11-20 05:05:10,352 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1743 transitions. [2019-11-20 05:05:10,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 05:05:10,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:10,383 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 05:05:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 863 states and 1744 transitions. [2019-11-20 05:05:10,426 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1744 transitions. [2019-11-20 05:05:10,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 05:05:10,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:10,460 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 05:05:11,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:11,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 863 states and 1743 transitions. [2019-11-20 05:05:11,957 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1743 transitions. [2019-11-20 05:05:11,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 05:05:11,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:11,996 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:05:12,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:12,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 868 states and 1757 transitions. [2019-11-20 05:05:12,052 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1757 transitions. [2019-11-20 05:05:12,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 05:05:12,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:12,096 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:05:13,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:13,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 872 states and 1768 transitions. [2019-11-20 05:05:13,356 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1768 transitions. [2019-11-20 05:05:13,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 05:05:13,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:13,967 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 12 proven. 75 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 05:05:16,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:16,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 876 states and 1773 transitions. [2019-11-20 05:05:16,522 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1773 transitions. [2019-11-20 05:05:16,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 05:05:16,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:16,547 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 05:05:16,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:16,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 876 states and 1772 transitions. [2019-11-20 05:05:16,566 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1772 transitions. [2019-11-20 05:05:16,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 05:05:16,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:16,598 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:05:17,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:17,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 877 states and 1773 transitions. [2019-11-20 05:05:17,502 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1773 transitions. [2019-11-20 05:05:17,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 05:05:17,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:17,527 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 05:05:17,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:17,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 877 states and 1772 transitions. [2019-11-20 05:05:17,547 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1772 transitions. [2019-11-20 05:05:17,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 05:05:17,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:17,573 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 05:05:17,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:17,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1771 states to 877 states and 1771 transitions. [2019-11-20 05:05:17,592 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1771 transitions. [2019-11-20 05:05:17,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 05:05:17,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:17,624 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 05:05:17,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:17,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 878 states and 1772 transitions. [2019-11-20 05:05:17,668 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1772 transitions. [2019-11-20 05:05:17,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 05:05:17,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:17,693 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 05:05:17,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:17,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 881 states and 1777 transitions. [2019-11-20 05:05:17,732 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1777 transitions. [2019-11-20 05:05:17,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 05:05:17,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:17,758 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:05:17,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:17,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 886 states and 1787 transitions. [2019-11-20 05:05:17,776 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1787 transitions. [2019-11-20 05:05:17,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 05:05:17,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:17,809 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:05:17,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:17,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 887 states and 1788 transitions. [2019-11-20 05:05:17,846 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1788 transitions. [2019-11-20 05:05:17,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 05:05:17,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:17,873 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:05:18,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:18,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 891 states and 1795 transitions. [2019-11-20 05:05:18,336 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1795 transitions. [2019-11-20 05:05:18,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-20 05:05:18,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:18,368 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 05:05:18,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:18,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 892 states and 1796 transitions. [2019-11-20 05:05:18,537 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1796 transitions. [2019-11-20 05:05:18,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-20 05:05:18,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:18,575 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 05:05:19,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:19,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 893 states and 1797 transitions. [2019-11-20 05:05:19,588 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1797 transitions. [2019-11-20 05:05:19,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-20 05:05:19,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:19,611 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 05:05:19,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:19,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 894 states and 1798 transitions. [2019-11-20 05:05:19,629 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1798 transitions. [2019-11-20 05:05:19,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-20 05:05:19,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:19,656 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 05:05:22,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:22,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 897 states and 1803 transitions. [2019-11-20 05:05:22,840 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1803 transitions. [2019-11-20 05:05:22,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-20 05:05:22,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:22,866 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:05:22,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:22,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 898 states and 1804 transitions. [2019-11-20 05:05:22,885 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1804 transitions. [2019-11-20 05:05:22,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-20 05:05:22,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:22,917 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:05:22,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:22,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 901 states and 1809 transitions. [2019-11-20 05:05:22,973 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1809 transitions. [2019-11-20 05:05:22,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 05:05:22,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:23,004 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:05:40,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:40,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 916 states and 1832 transitions. [2019-11-20 05:05:40,951 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1832 transitions. [2019-11-20 05:05:40,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 05:05:40,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:40,982 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:05:44,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:44,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 919 states and 1840 transitions. [2019-11-20 05:05:44,416 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1840 transitions. [2019-11-20 05:05:44,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 05:05:44,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:44,439 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 05:05:47,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:47,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 919 states and 1839 transitions. [2019-11-20 05:05:47,953 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1839 transitions. [2019-11-20 05:05:47,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 05:05:47,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:47,980 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 05:05:49,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:49,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 919 states and 1838 transitions. [2019-11-20 05:05:49,470 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1838 transitions. [2019-11-20 05:05:49,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 05:05:49,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:49,510 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 05:05:49,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:49,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 920 states and 1839 transitions. [2019-11-20 05:05:49,705 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1839 transitions. [2019-11-20 05:05:49,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 05:05:49,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:49,762 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 05:05:51,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:51,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 921 states and 1839 transitions. [2019-11-20 05:05:51,035 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1839 transitions. [2019-11-20 05:05:51,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 05:05:51,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:51,060 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:05:51,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:51,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 924 states and 1844 transitions. [2019-11-20 05:05:51,085 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1844 transitions. [2019-11-20 05:05:51,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 05:05:51,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:51,116 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:05:51,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:51,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1845 states to 925 states and 1845 transitions. [2019-11-20 05:05:51,154 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1845 transitions. [2019-11-20 05:05:51,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-20 05:05:51,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:51,179 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 05:05:58,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:05:58,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 926 states and 1849 transitions. [2019-11-20 05:05:58,126 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1849 transitions. [2019-11-20 05:05:58,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-20 05:05:58,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:05:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:05:58,153 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 05:06:00,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:00,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 928 states and 1851 transitions. [2019-11-20 05:06:00,026 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1851 transitions. [2019-11-20 05:06:00,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-20 05:06:00,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:00,050 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 05:06:00,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:00,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 931 states and 1857 transitions. [2019-11-20 05:06:00,081 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1857 transitions. [2019-11-20 05:06:00,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-20 05:06:00,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:00,104 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 05:06:02,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:02,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 934 states and 1864 transitions. [2019-11-20 05:06:02,175 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1864 transitions. [2019-11-20 05:06:02,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-20 05:06:02,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:02,200 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:06:02,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:02,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 935 states and 1865 transitions. [2019-11-20 05:06:02,219 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1865 transitions. [2019-11-20 05:06:02,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-20 05:06:02,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:02,248 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:06:02,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:02,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 938 states and 1873 transitions. [2019-11-20 05:06:02,336 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1873 transitions. [2019-11-20 05:06:02,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 05:06:02,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:03,191 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 05:06:05,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:05,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 938 states and 1872 transitions. [2019-11-20 05:06:05,625 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1872 transitions. [2019-11-20 05:06:05,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 05:06:05,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:05,655 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 05:06:05,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:05,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 939 states and 1873 transitions. [2019-11-20 05:06:05,695 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1873 transitions. [2019-11-20 05:06:05,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 05:06:05,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:05,720 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:06:05,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:05,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 942 states and 1879 transitions. [2019-11-20 05:06:05,791 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1879 transitions. [2019-11-20 05:06:05,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-20 05:06:05,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:06,770 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 05:06:09,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:09,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 942 states and 1878 transitions. [2019-11-20 05:06:09,425 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1878 transitions. [2019-11-20 05:06:09,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-20 05:06:09,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:09,455 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 05:06:13,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:13,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 945 states and 1882 transitions. [2019-11-20 05:06:13,401 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1882 transitions. [2019-11-20 05:06:13,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-20 05:06:13,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:13,427 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:06:13,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:13,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 946 states and 1883 transitions. [2019-11-20 05:06:13,447 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1883 transitions. [2019-11-20 05:06:13,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-20 05:06:13,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:13,481 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 05:06:16,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:16,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 947 states and 1884 transitions. [2019-11-20 05:06:16,283 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1884 transitions. [2019-11-20 05:06:16,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 05:06:16,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:16,321 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-11-20 05:06:18,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:18,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 950 states and 1888 transitions. [2019-11-20 05:06:18,076 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1888 transitions. [2019-11-20 05:06:18,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-20 05:06:18,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:18,115 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-11-20 05:06:18,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:18,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 951 states and 1889 transitions. [2019-11-20 05:06:18,162 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1889 transitions. [2019-11-20 05:06:18,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-20 05:06:18,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:19,063 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-20 05:06:21,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:21,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 951 states and 1888 transitions. [2019-11-20 05:06:21,489 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1888 transitions. [2019-11-20 05:06:21,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-20 05:06:21,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:21,526 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 05:06:22,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:22,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 957 states and 1898 transitions. [2019-11-20 05:06:22,834 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1898 transitions. [2019-11-20 05:06:22,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-20 05:06:22,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:22,864 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-11-20 05:06:23,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:23,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 963 states and 1932 transitions. [2019-11-20 05:06:23,746 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1932 transitions. [2019-11-20 05:06:23,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-20 05:06:23,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:23,783 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 05:06:24,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:24,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 964 states and 1933 transitions. [2019-11-20 05:06:24,026 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1933 transitions. [2019-11-20 05:06:24,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-20 05:06:24,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:24,056 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-11-20 05:06:24,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:24,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 964 states and 1932 transitions. [2019-11-20 05:06:24,077 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1932 transitions. [2019-11-20 05:06:24,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-20 05:06:24,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:24,117 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-11-20 05:06:24,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:24,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 964 states and 1928 transitions. [2019-11-20 05:06:24,181 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1928 transitions. [2019-11-20 05:06:24,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-20 05:06:24,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:25,057 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-11-20 05:06:27,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:27,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 964 states and 1927 transitions. [2019-11-20 05:06:27,300 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1927 transitions. [2019-11-20 05:06:27,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-11-20 05:06:27,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:28,186 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-11-20 05:06:30,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:30,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 964 states and 1926 transitions. [2019-11-20 05:06:30,706 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1926 transitions. [2019-11-20 05:06:30,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-11-20 05:06:30,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:30,743 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-11-20 05:06:30,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:30,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 964 states and 1925 transitions. [2019-11-20 05:06:30,767 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1925 transitions. [2019-11-20 05:06:30,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-11-20 05:06:30,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:31,684 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-11-20 05:06:33,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:33,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 964 states and 1924 transitions. [2019-11-20 05:06:33,928 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1924 transitions. [2019-11-20 05:06:33,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-20 05:06:33,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:34,852 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-11-20 05:06:37,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:37,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 964 states and 1923 transitions. [2019-11-20 05:06:37,157 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1923 transitions. [2019-11-20 05:06:37,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-20 05:06:37,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:37,187 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-11-20 05:06:38,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:38,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1922 states to 964 states and 1922 transitions. [2019-11-20 05:06:38,611 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1922 transitions. [2019-11-20 05:06:38,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-20 05:06:38,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:39,530 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-11-20 05:06:41,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:41,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 964 states and 1921 transitions. [2019-11-20 05:06:41,849 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1921 transitions. [2019-11-20 05:06:41,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-11-20 05:06:41,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:42,788 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-11-20 05:06:54,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:54,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 969 states and 1927 transitions. [2019-11-20 05:06:54,155 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1927 transitions. [2019-11-20 05:06:54,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-20 05:06:54,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:55,133 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-11-20 05:06:57,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:06:57,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 969 states and 1926 transitions. [2019-11-20 05:06:57,516 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1926 transitions. [2019-11-20 05:06:57,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-20 05:06:57,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:06:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:06:58,498 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-11-20 05:07:00,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:07:00,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 969 states and 1925 transitions. [2019-11-20 05:07:00,957 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1925 transitions. [2019-11-20 05:07:00,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-20 05:07:00,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:07:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:07:01,934 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-11-20 05:07:04,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:07:04,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 969 states and 1924 transitions. [2019-11-20 05:07:04,402 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1924 transitions. [2019-11-20 05:07:04,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-20 05:07:04,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:07:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:07:04,436 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-11-20 05:07:12,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:07:12,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 971 states and 1928 transitions. [2019-11-20 05:07:12,582 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1928 transitions. [2019-11-20 05:07:12,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-20 05:07:12,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:07:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:07:14,526 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2019-11-20 05:07:18,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:07:18,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 973 states and 1930 transitions. [2019-11-20 05:07:18,962 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1930 transitions. [2019-11-20 05:07:18,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-20 05:07:18,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:07:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:07:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:07:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-11-20 05:07:29,548 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:495) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 05:07:29,552 INFO L168 Benchmark]: Toolchain (without parser) took 494161.10 ms. Allocated memory was 1.0 GB in the beginning and 4.6 GB in the end (delta: 3.6 GB). Free memory was 944.8 MB in the beginning and 3.1 GB in the end (delta: -2.2 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2019-11-20 05:07:29,553 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:07:29,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 980.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -144.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:07:29,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:07:29,554 INFO L168 Benchmark]: Boogie Preprocessor took 214.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:07:29,555 INFO L168 Benchmark]: RCFGBuilder took 4043.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 868.0 MB in the end (delta: 207.5 MB). Peak memory consumption was 207.5 MB. Max. memory is 11.5 GB. [2019-11-20 05:07:29,555 INFO L168 Benchmark]: CodeCheck took 488751.60 ms. Allocated memory was 1.1 GB in the beginning and 4.6 GB in the end (delta: 3.5 GB). Free memory was 868.0 MB in the beginning and 3.1 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2019-11-20 05:07:29,557 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:495) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 980.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -144.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 162.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 214.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4043.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 868.0 MB in the end (delta: 207.5 MB). Peak memory consumption was 207.5 MB. Max. memory is 11.5 GB. * CodeCheck took 488751.60 ms. Allocated memory was 1.1 GB in the beginning and 4.6 GB in the end (delta: 3.5 GB). Free memory was 868.0 MB in the beginning and 3.1 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 05:07:31,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:07:31,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:07:31,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:07:31,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:07:31,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:07:31,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:07:31,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:07:31,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:07:31,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:07:31,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:07:31,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:07:31,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:07:31,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:07:31,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:07:31,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:07:31,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:07:31,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:07:31,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:07:31,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:07:31,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:07:31,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:07:31,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:07:31,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:07:31,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:07:31,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:07:31,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:07:31,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:07:31,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:07:31,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:07:31,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:07:31,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:07:31,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:07:31,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:07:31,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:07:31,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:07:31,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:07:31,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:07:31,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:07:31,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:07:31,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:07:31,937 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2019-11-20 05:07:31,958 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:07:31,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:07:31,959 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 05:07:31,960 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 05:07:31,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:07:31,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:07:31,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:07:31,961 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:07:31,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:07:31,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:07:31,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:07:31,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:07:31,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:07:31,963 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 05:07:31,964 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 05:07:31,964 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:07:31,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:07:31,965 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:07:31,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:07:31,965 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 05:07:31,966 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 05:07:31,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:07:31,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:07:31,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 05:07:31,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:07:31,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:07:31,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:07:31,968 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-20 05:07:31,968 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 05:07:31,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:07:31,969 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-11-20 05:07:31,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 05:07:31,969 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/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 -> 43b1f6793ee5eec863ad9b535d4bdfa9eec9aa4f [2019-11-20 05:07:32,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:07:32,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:07:32,299 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:07:32,300 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:07:32,301 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:07:32,302 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/ukojak/../../sv-benchmarks/c/loops/s3.i [2019-11-20 05:07:32,380 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/ukojak/data/02a28573a/a3225ff0213044e98e8f29c45864e722/FLAGb3dd13ea2 [2019-11-20 05:07:32,988 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:07:32,988 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/sv-benchmarks/c/loops/s3.i [2019-11-20 05:07:33,015 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/ukojak/data/02a28573a/a3225ff0213044e98e8f29c45864e722/FLAGb3dd13ea2 [2019-11-20 05:07:33,147 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/ukojak/data/02a28573a/a3225ff0213044e98e8f29c45864e722 [2019-11-20 05:07:33,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:07:33,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:07:33,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:07:33,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:07:33,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:07:33,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:07:33" (1/1) ... [2019-11-20 05:07:33,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c7ba21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:33, skipping insertion in model container [2019-11-20 05:07:33,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:07:33" (1/1) ... [2019-11-20 05:07:33,174 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:07:33,273 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:07:33,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:07:33,907 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:07:34,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:07:34,074 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:07:34,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:34 WrapperNode [2019-11-20 05:07:34,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:07:34,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:07:34,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:07:34,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:07:34,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:34" (1/1) ... [2019-11-20 05:07:34,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:34" (1/1) ... [2019-11-20 05:07:34,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:07:34,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:07:34,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:07:34,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:07:34,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:34" (1/1) ... [2019-11-20 05:07:34,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:34" (1/1) ... [2019-11-20 05:07:34,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:34" (1/1) ... [2019-11-20 05:07:34,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:34" (1/1) ... [2019-11-20 05:07:34,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:34" (1/1) ... [2019-11-20 05:07:34,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:34" (1/1) ... [2019-11-20 05:07:34,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:34" (1/1) ... [2019-11-20 05:07:34,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:07:34,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:07:34,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:07:34,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:07:34,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:07:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2f1dc3e-21d3-4408-a5bc-51f072ed58ea/bin/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 [2019-11-20 05:07:34,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 05:07:34,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:07:34,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 05:07:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 05:07:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 05:07:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:07:34,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:07:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 05:07:34,722 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 05:07:38,579 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-11-20 05:07:38,579 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-11-20 05:10:18,146 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:10:18,147 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 05:10:18,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:10:18 BoogieIcfgContainer [2019-11-20 05:10:18,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:10:18,148 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 05:10:18,149 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 05:10:18,158 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 05:10:18,158 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:10:18" (1/1) ... [2019-11-20 05:10:18,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:10:18,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:10:18,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 87 states and 148 transitions. [2019-11-20 05:10:18,211 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 148 transitions. [2019-11-20 05:10:18,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 05:10:18,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:10:18,261 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:448) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 05:10:18,267 INFO L168 Benchmark]: Toolchain (without parser) took 165114.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 956.4 MB in the beginning and 917.9 MB in the end (delta: 38.6 MB). Peak memory consumption was 204.8 MB. Max. memory is 11.5 GB. [2019-11-20 05:10:18,268 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:10:18,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 922.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2019-11-20 05:10:18,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.16 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 05:10:18,270 INFO L168 Benchmark]: Boogie Preprocessor took 155.47 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 05:10:18,272 INFO L168 Benchmark]: RCFGBuilder took 163783.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 924.4 MB in the end (delta: 204.3 MB). Peak memory consumption was 204.3 MB. Max. memory is 11.5 GB. [2019-11-20 05:10:18,273 INFO L168 Benchmark]: CodeCheck took 115.81 ms. Allocated memory is still 1.2 GB. Free memory was 924.4 MB in the beginning and 917.9 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 05:10:18,277 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 922.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 133.16 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 155.47 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 163783.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 924.4 MB in the end (delta: 204.3 MB). Peak memory consumption was 204.3 MB. Max. memory is 11.5 GB. * CodeCheck took 115.81 ms. Allocated memory is still 1.2 GB. Free memory was 924.4 MB in the beginning and 917.9 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...